CN103048711A - Composite biaxial tension light reflection polypropylene film and manufacturing method thereof - Google Patents
Composite biaxial tension light reflection polypropylene film and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses a composite biaxial tension light reflection polypropylene film. The film is characterized in that the film is formed by sequentially extruding and shaping three layers such as an anti-ultraviolet antistatic mixed upper layer, a bulb-in-bulb layer and an anti-ultraviolet antistatic mixed lower layer; the bulb-in-bulb layer is formed by mixing 30 weight parts of components A, and 60-80 weight parts of components B; the anti-ultraviolet antistatic mixed upper layer and the anti-ultraviolet antistatic mixed lower layer are both formed by components C; the components A are formed by mixing 3-48 weight parts of inorganic particles and 5-50 weight parts of resin A; the components B are formed by mixing 50-70 weight parts of polypropylene resin and 1-20 weight parts of compatilizers; and the components C are formed by mixing 1-5 weight parts of components D and 95-99 weight parts of polypropylene resin. The film is formed by three layers extruding by an extruder, then longitudinally stretching and transversely stretching, and thermal forming and baking forming; and the product can be used for manufacturing the light reflection film component with flexible requirements.
Description
Technical field
The present invention relates to light reflecting board bubble structure polypropylene film material and preparation thereof in the bubble, be particularly related to a kind of compound two-way stretch light reflection polypropylene film and manufacture method thereof, the compound two-way stretch light reflection of the present invention polypropylene film can be used for having the manufacturing of the flexible light reflective film member that requires.
Background technology
In the prior art, the light reflective film material has widely purposes, and common daylight illumination, LED illumination, LCD backlight module, advertising signboard lamp box illumination all can be used it.Be to realize high reflectance, Chinese patent application numbers 200680031793.7 disclose a kind ofly extrudes thin slice immersion carbon dioxide with polyester, and makes the mylar foamable, and making the air entrapment diameter is the foaming light-reflecting sheet of 50nm～50 μ m.Reflective sheet thickness＞0.3mm that this method is produced is not the comparatively optimal selection of complicated product design of slim application product design (such as slim liquid crystal display backlight module) and three-dimensional size.Adopt incompatible polymers and polyester blend in the Chinese patent application numbers 200780032366.5, make the light reflecting board film through two-way stretch, form a large amount of microvesicles that light produced reflex in the material structure of this film, thereby improved reflection of light efficient.Reflective film thickness＜0.3mm that this method is produced is the optimal selection of slim application product design.But its deflection is higher, can make troubles to processing when the comparatively complicated product of three-dimensional size is used.Acute angle occurs such as product design, when coating acute angle, the not tight phenomenon that can occur fitting affects outward appearance and product quality.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, and a kind of compound two-way stretch light reflection polypropylene film and manufacture method thereof are provided.The compound two-way stretch light reflection polypropylene film of the present invention from providing, its flexibility is better than the polyesters product, can be used for the comparatively complicated product of three-dimensional size design; The present invention utilizes different blending technology to make the light reflector of a kind of reflectivity with bubble structure in the bubble＞97%, its inner atmosphere bulb diameter＜20 μ m, minute bubbles diameter＜10 μ m.Can be processed into the foaming light reflective film by the two-way stretch mode.
Content of the present invention is: a kind of compound two-way stretch light reflection polypropylene film is characterized in that: mix lower floor by alveolar layer and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata, the bubble successively and form, make by three-layer co-extruded two-way stretch moulding;
Alveolar layer is comprised of 30 mass parts first components and the mixing of 60～80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata and anti-ultraviolet anti-static mix lower floor and form by the third component;
Described first component is comprised of 3～48 mass parts inorganic particulates and 5～50 mass parts A mixed with resin;
Described second component is mixed by 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer and is formed;
Described the third component is mixed by 1～5 mass parts B-B fraction and 95～99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05～1 mass parts organic ultraviolet absorber and 0.5～5 mass parts antistatic agent and forms;
Described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate; This inorganic particulate structure is spherical, and wherein mass ratio is large particle diameter: small particle diameter=1:2～3; Large particle diameter is 10～30 μ m, and they are footpath (being mean diameter) 13～22 μ m all, and the small particle diameter particle diameter is 0.5～9 μ m, and they are footpath 0.3～7 μ m all;
Described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
Described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. multipolymer (SEBS-g-GMA) of the styrene-ethylene-butadiene-styrene of the multipolymer (SEBS-g-MAH) of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene (POE-g-MAH), maleic anhydride graft or glycidyl methacrylate graft etc.;
Described organic ultraviolet absorber is a kind of in salicylate class, benzophenone class, the benzotriazole; Such as Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
Described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
In the content of the present invention: the thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
In the content of the present invention: described first component is preferably by 10～30 mass parts inorganic particulates and 10～20 mass parts A mixed with resin and forms.
In the content of the present invention: described second component is preferably by 50～70 mass parts acrylic resins and the mixing of 3～10 mass parts compatilizers and forms.
In the content of the present invention: described inorganic particulate is preferably titania, silicon dioxide or barium sulphate (particle).
In the content of the present invention: described compatilizer is preferably the ethene of maleic anhydride graft and the superpolymer of octene (POE-g-MAH).
In the content of the present invention: described organic ultraviolet absorber is preferably Methyl Salicylate.
In the content of the present invention: described antistatic agent is preferably the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
Another content of the present invention is: the manufacture method of compound two-way stretch light reflection polypropylene film is characterized in that comprising the following steps:
(a) preparation first component, second component, the third component and B-B fraction:
Preparation first component: with the first component namely 3～48 mass parts inorganic particulates and 5～50 mass parts A resins in feed bin, mix, through double screw extrusion machine, under 170～180 ℃ of temperature, carry out the melt blending extruding pelletization, dry remove behind the moisture for subsequent use;
Preparation second component: namely 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer are dry mixed evenly for subsequent use with the second component;
Prepare the third component: namely 1～5 part of B-B fraction and 100 parts of acrylic resins are dry mixed evenly for subsequent use with the third component;
The preparation B-B fraction: namely 0.05～1 part of organic ultraviolet absorber and 0.5～5 part of antistatic agent are dry mixed evenly for subsequent use with B-B fraction;
Described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate; This inorganic particulate structure is spherical, and wherein mass ratio is large particle diameter: small particle diameter=1:2～3; Large particle diameter is 10～30 μ m, and they are footpath (being mean diameter) 13～22 μ m all, and the small particle diameter particle diameter is 0.5～9 μ m, and they are footpath 0.3～7 μ m all;
Described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
Described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. multipolymer (SEBS-g-GMA) of the styrene-ethylene-butadiene-styrene of the multipolymer (SEBS-g-MAH) of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene (POE-g-MAH), maleic anhydride graft or glycidyl methacrylate graft etc.;
Described organic ultraviolet absorber is a kind of in salicylate class, benzophenone class, the benzotriazole; Such as Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
Described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate;
(b) the compound two-way stretch light reflection of preparation polypropylene film:
Get each component, be dry mixed evenly by 30 mass parts first components and 60～80 mass parts second components, drop into again single screw extrusion machine No. 1; The third component is dropped into No. 2 single screw extrusion machines; No. 1 single screw extrusion machine, No. 2 single screw extrusion machine length-diameter ratios are all greater than 40, material is respectively through No. 1 single screw extrusion machine, No. 2 single screw extrusion machines are after melting mixing under 180 ℃ of temperature, extrude three layers of compound sheet through three layers of compound T font die head, be cooled to 25～60 ℃ through the roller that is connected with 19 ℃ of chilled waters, after 80 ℃～160 ℃ lower preheatings, carry out longitudinal stretching again, stretching ratio is 2～5 times, after drawing the preheating cabinet preheating, 80 ℃～180 ℃ horizontal carry out cross directional stretch again, stretching ratio is 2～5 times, polypropylene film through two-way stretch enters electric heating passage heat set zone, wherein a district is 160 ℃～180 ℃, two districts are 130 ℃～150 ℃, three districts are 90 ℃～120 ℃, the polypropylene film of process heat set zone is again through 60 ℃～80 ℃, 0.1 after～1 minute and the at room temperature cooling in two stages, rolling namely makes three layers compound two-way stretch light reflection polypropylene film.
In another content of the present invention: the thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
In another content of the present invention: described first component is preferably by 10～30 mass parts inorganic particulates and 10～20 mass parts A mixed with resin and forms.
In another content of the present invention: described second component is preferably by 50～70 mass parts acrylic resins and the mixing of 3～10 mass parts compatilizers and forms.
In another content of the present invention: described inorganic particulate is preferably titania, silicon dioxide or barium sulphate (particle).
In another content of the present invention: described compatilizer is preferably the ethene of maleic anhydride graft and the superpolymer of octene (POE-g-MAH).
In another content of the present invention: described organic ultraviolet absorber is preferably Methyl Salicylate.
In another content of the present invention: described antistatic agent is preferably the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) adopt the present invention, inorganic particulate and the A resin specific dispersed texture in matrix is the key that bubble structure forms in the bubble; At first close evenly inorganic particulate and A are resin premixed, then use the stronger double screw extrusion machine of shearing force and dispersancy to melt extrude, inorganic particulate " stone " is evenly dispersed in formation first blending ingredients in the A resin " island ", first component with " island stone " structure will be dispersed in the matrix resin " sea " uniformly, must adopt the weak dispersion technology of shearing, can use length-diameter ratio greater than 40 single screw extrusion machine or have the weak double screw extrusion machine melting mixing of shearing peptizaiton, the first component will be dispersed in the resin matrix uniformly this moment, form " island " structure, matrix resin is " sea ", the first component is " island ", and the mixing force a little less than this kind is not enough to destroy " island stone " structure that is comprised of inorganic particulate and A resin, and each inorganic particles is one " stone "; If the immixture of this moment is excessively strong, then " stone " can enter in " sea " in disengaging " island ", can't form bubble structure in the bubble;
(2) among the present invention, the surface tension of matrix resin, A resin and inorganic particulate is different, make between matrix resin and the A resin boundary surface, have certain interval between A resin and the inorganic particulate interface, stretched post gap enlarges, thereby has formed the structure of bubble in the bubble; The sheet material that the present invention manufactures contains bubble structure in the bubble of a large amount of bubble diameters＜20 μ m, and light can reflect by bubble wall and surface of inorganic particles, realizes take diffuse reflection as main high reflectance; In identical volume, bubble structure has increased the reflective surface area of light with respect to single bubble structure in the bubble, thereby more effectively raises the reflectivity of material;
(3) product preparation process of the present invention is simple, and operation is easy, and operation is practical easily.
Description of drawings
Fig. 1 is the compound two-way stretch light reflection of three layers of embodiment of the invention preparation polypropylene film section structure synoptic diagram.
Among the figure: alveolar layer, 3-anti-ultraviolet anti-static mix lower floor in 1-anti-ultraviolet anti-static mixing upper strata, 2-bubble.
Embodiment
Embodiment given below intends so that the invention will be further described; but can not be interpreted as it is limiting the scope of the invention; the person skilled in art to some nonessential improvement and adjustment that the present invention makes, still belongs to protection scope of the present invention according to the content of the invention described above.
First's first, second, third and the preparation of B-B fraction
Embodiment 1-1:
First component preparation: 9 parts of titania (all footpath 15 μ m), 20 parts of silicon dioxide (all footpath 0.3 μ m) and 40 parts of polyvinylidene fluoride are mixed in feed bin, through double screw extrusion machine, under 173 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 55 parts of acrylic resins and 13 parts of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed 1 part of organic ultraviolet absorber Methyl Salicylate and 1.5 parts of antistatic agent polyether ester amides evenly for subsequent use.
The third component preparation: be dry mixed 2.5 parts of B-B fractions and 100 parts of acrylic resins evenly for subsequent use.
Embodiment 1-2:
First component preparation: 10 parts of inorganic particulate titania (all footpath 17 μ m), 9 parts of magnesium sulphate (all footpath 5 μ m) and 30 parts of polyvinylidene fluoride are mixed in feed bin, through double screw extrusion machine, under 178 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 70 parts of acrylic resins and 20 parts of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed the multipolymer of 0.25 part of organic ultraviolet absorber Methyl Salicylate and 5 parts of antistatic agent methoxy poly (ethylene glycol)s and methacrylate evenly for subsequent use.
The third component preparation: be dry mixed 1 part of B-B fraction and 100 parts of acrylic resins evenly for subsequent use.
Embodiment 1-3:
First component preparation: be that 150～180 ℃ dimethyl silicone polymer mixes in feed bin with 1 part of inorganic particulate titania (all footpath 18 μ m), 1 part of zinc paste (all footpath 3 μ m), 1 part of magnesium sulphate (all footpath 0.3 μ m) and 25 parts of melting ranges, through double screw extrusion machine, under 180 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 50 parts of acrylic resins and 8 parts of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed the multipolymer of 1 part of organic ultraviolet absorber and 0.5 part of antistatic agent methoxy poly (ethylene glycol) and methacrylate evenly for subsequent use.
The third component preparation: be dry mixed 3.5 parts of B-B fractions and 100 parts of acrylic resins evenly for subsequent use.
Embodiment 1-4:
First component preparation: be that 150～180 ℃ dimethyl silicone polymer mixes in feed bin with 10 parts of inorganic particulate silicon dioxide (all footpath 20 μ m), 10 parts of calcium carbonate (all footpath 3 μ m), 2 parts of magnesium sulphate (all footpath 0.5 μ m) and 45 parts of melting ranges, through double screw extrusion machine, under 170 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 65 parts of acrylic resins and 1 part of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed 0.5 part of organic ultraviolet absorber 2,4-DihydroxyBenzophenone and 4 parts of antistatic agent polyetheramides acid imides evenly for subsequent use.
The third component preparation: be mixed 2.5 parts of B-B fractions and 100 parts of acrylic resins even for subsequent use.
Embodiment 1-5:
First component preparation: be that 150～180 ℃ dimethyl silicone polymer mixes in feed bin with 10 parts of inorganic particulate silicon dioxide (all footpath 21 μ m), 10 parts of calcium carbonate (all footpath 0.3 μ m), 2 parts of magnesium sulphate (all footpath 0.3 μ m) and 45 parts of melting ranges, through double screw extrusion machine, under 170 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 65 parts of acrylic resins and 3 parts of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed 0.5 part of organic ultraviolet absorber 2,4-DihydroxyBenzophenone and 4 parts of antistatic agent polyetheramides acid imides evenly for subsequent use.
The third component preparation: be mixed 2.5 parts of B-B fractions and 100 parts of acrylic resins even for subsequent use.
Embodiment 1-6:
First component preparation: 11 parts of silicon dioxide (all footpath 14 μ m), 15 parts of barium sulphate (all footpath 4 μ m) and 35 parts of polyvinylidene fluoride are mixed in feed bin, through double screw extrusion machine, under 180 ℃, carry out the melt blending extruding pelletization, for subsequent use behind the dry removal moisture.
Second component preparation: be dry mixed 55 parts of acrylic resins and 10 parts of compatilizer POE-g-MAH evenly for subsequent use.
B-B fraction preparation: be dry mixed 1 part of organic ultraviolet absorber Methyl Salicylate and 1.5 parts of antistatic agent polyether ester amides evenly for subsequent use.
The third component preparation: be dry mixed 2.5 parts of B-B fractions and 100 parts of acrylic resins evenly for subsequent use.
The preparation of the compound two-way stretch light reflection polypropylene film that second portion is three layers
Embodiment 2-1～2-6:
A, basic craft course
With the first component: the ratio of second component=30:60～80 is dry mixed evenly, drop into No. 1 single screw extrusion machine, the third component is dropped into No. 2 single screw extrusion machines, 1, No. 2 single screw extrusion machine length-diameter ratios are all greater than 40, material is respectively through 1, No. 2 single screw extrusion machines are after 180 ℃ of lower melting mixing, extrude three layers of compound sheet through three layers of compound T font die head, be cooled to 25～60 ℃ through the roller that is connected with 19 ℃ of chilled waters, after 80 ℃～160 ℃ lower preheatings, carry out longitudinal stretching, stretching ratio is 2～5 times, after drawing the preheating cabinet preheating, 80 ℃～180 ℃ horizontal carry out cross directional stretch again, stretching ratio is 2～5 times, polypropylene film through two-way stretch enters electric heating passage heat set zone, wherein a district is 160 ℃～180 ℃, and two districts are 130 ℃～150 ℃, and three districts are 90 ℃～120 ℃, the polypropylene film of process heat set zone is again through 60 ℃～80 ℃, 0.1 after～1 minute and the at room temperature cooling in two stages, rolling obtains three layers of two-way stretch light reflection polypropylene film product.
The technological parameter of B, embodiment 2-1～2-6 and result
| The embodiment numbering | First component: second component | Melt temperature ℃ | Vertical draft temperature ℃ | Vertical stretching ratio | Horizontal draft temperature ℃ | Horizontal stretching ratio | Film thickness mm | The 550nm place, reflectance value % |
| 2-1（1-1）* | 30：60 | 180 | 80 | 3.0 | 80 | 3 | 0.2 | 94 |
| 2-2（1-2） | 30：80 | 180 | 95 | 2.0 | 100 | 2.5 | 0.28 | 96 |
| 2-3（1-3） | 30：65 | 180 | 100 | 3.3 | 120 | 4 | 0.175 | 97 |
| 2-4（1-4） | 30：78 | 180 | 110 | 3.0 | 130 | 3.5 | 0.15 | 95 |
| 2-5（1-5） | 30：70 | 180 | 135 | 5.0 | 150 | 5 | 0.35 | 95 |
| 2-6（1-6） | 30：75 | 180 | 160 | 4.0 | 180 | 3 | 0.1 | 90 |
* annotate: it is raw material that first, second, third component of embodiment 1-1 preparation are adopted in " 1-1 " expression in the bracket.
Embodiment 3: referring to accompanying drawing 1.
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 60～80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 3～48 mass parts inorganic particulates and 5～50 mass parts A mixed with resin;
Described second component is mixed by 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer and is formed;
Described the third component is mixed by 1～5 mass parts B-B fraction and 95～99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05～1 mass parts organic ultraviolet absorber and 0.5～5 mass parts antistatic agent and forms.
Embodiment 4:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 70 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 25 mass parts inorganic particulates and 27 mass parts A mixed with resin;
Described second component is mixed by 60 mass parts acrylic resins and 10 mass parts compatilizers and is formed;
Described the third component is mixed by 2.5 mass parts B-B fractions and 97 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.5 mass parts organic ultraviolet absorber and 2.5 mass parts antistatic agent and forms.
Embodiment 5:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 60 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 3 mass parts inorganic particulates and 5 mass parts A mixed with resin;
Described second component is mixed by 50 mass parts acrylic resins and 1 mass parts compatilizer and is formed;
Described the third component is mixed by 1 mass parts B-B fraction and 95 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05 mass parts organic ultraviolet absorber and 0.5 mass parts antistatic agent and forms.
Embodiment 6:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 48 mass parts inorganic particulates and 50 mass parts A mixed with resin;
Described second component is mixed by 70 mass parts acrylic resins and 20 mass parts compatilizers and is formed;
Described the third component is mixed by 5 mass parts B-B fractions and 99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 1 mass parts organic ultraviolet absorber and 5 mass parts antistatic agent and forms.
Embodiment 7:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 60～80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 10～30 mass parts inorganic particulates and 10～20 mass parts A mixed with resin;
Described second component is mixed by 50～70 mass parts acrylic resins and 3～10 mass parts compatilizers and is formed;
Described the third component is mixed by 1～5 mass parts B-B fraction and 95～99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05～1 mass parts organic ultraviolet absorber and 0.5～5 mass parts antistatic agent and forms.
Embodiment 8:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 70 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 20 mass parts inorganic particulates and 15 mass parts A mixed with resin;
Described second component is mixed by 60 mass parts acrylic resins and 6 mass parts compatilizers and is formed;
Described the third component is mixed by 2.5 mass parts B-B fractions and 97 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.5 mass parts organic ultraviolet absorber and 2.5 mass parts antistatic agent and forms.
Embodiment 9:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 60 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 10 mass parts inorganic particulates and 10 mass parts A mixed with resin;
Described second component is mixed by 50 mass parts acrylic resins and 3 mass parts compatilizers and is formed;
Described the third component is mixed by 1 mass parts B-B fraction and 95 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05 mass parts organic ultraviolet absorber and 0.5 mass parts antistatic agent and forms.
Embodiment 10:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 30 mass parts inorganic particulates and 20 mass parts A mixed with resin;
Described second component is mixed by 70 mass parts acrylic resins and 10 mass parts compatilizers and is formed;
Described the third component is mixed by 5 mass parts B-B fractions and 99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 1 mass parts organic ultraviolet absorber and 5 mass parts antistatic agent and forms.
Embodiment 11-16:
A kind of compound two-way stretch light reflection polypropylene film mixes lower floor 3 by alveolar layer 2 and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata 1, the bubble successively and forms, and makes by three-layer co-extruded two-way stretch moulding;
Alveolar layer 2 is comprised of 30 mass parts first components and the mixing of 60～80 mass parts second components in the described bubble; The composition of each feed composition and concrete mass parts consumption see the following form among each embodiment:
Described anti-ultraviolet anti-static mixing upper strata 1 and anti-ultraviolet anti-static mix lower floor 3 and form by the third component;
Described first component is comprised of 3～48 mass parts inorganic particulates and 5～50 mass parts A mixed with resin;
The composition of each feed composition and concrete mass parts consumption see the following form among each embodiment:
Described second component is mixed by 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer and is formed; The composition of each feed composition and concrete mass parts consumption see the following form among each embodiment:
Described the third component is mixed by 1～5 mass parts B-B fraction and 95～99 mass parts acrylic resins and is formed; The composition of each feed composition and concrete mass parts consumption see the following form among each embodiment:
Described B-B fraction is mixed by 0.05～1 mass parts organic ultraviolet absorber and 0.5～5 mass parts antistatic agent and forms; The composition of each feed composition and concrete mass parts consumption see the following form among each embodiment:
In above-described embodiment 3-16: described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate; This inorganic particulate structure is spherical, and wherein mass ratio is large particle diameter: small particle diameter=1:2～3; Large particle diameter is 10～30 μ m, and they are footpath (being mean diameter) 13～22 μ m all, and the small particle diameter particle diameter is 0.5～9 μ m, and they are footpath 0.3～7 μ m all;
In above-described embodiment 3-16: described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
In above-described embodiment 3-16: described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. multipolymer (SEBS-g-GMA) of the styrene-ethylene-butadiene-styrene of the multipolymer (SEBS-g-MAH) of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene (POE-g-MAH), maleic anhydride graft or glycidyl methacrylate graft etc.;
In above-described embodiment 3-16: described organic ultraviolet absorber is a kind of in salicylate class, benzophenone class, the benzotriazole; Such as Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
In above-described embodiment 3-16: described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
In above-described embodiment 3-16: the thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
In above-described embodiment 3-16: described inorganic particulate is preferably titania, silicon dioxide or barium sulphate (particle).
In above-described embodiment 3-16: described compatilizer is preferably the ethene of maleic anhydride graft and the superpolymer of octene (POE-g-MAH).
In above-described embodiment 3-16: described organic ultraviolet absorber is preferably Methyl Salicylate.
In above-described embodiment 3-16: described antistatic agent is preferably the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
Embodiment 17:
The manufacture method of compound two-way stretch light reflection polypropylene film comprises the following steps:
(a) preparation first component, second component, the third component and B-B fraction: feed composition and concrete consumption are with arbitrary among the embodiment 3-16:
Preparation first component: with the first component namely 3～48 mass parts inorganic particulates and 5 parts～50 parts quality A resins in feed bin, mix, through double screw extrusion machine, under 170～180 ℃ of temperature, carry out the melt blending extruding pelletization, dry remove behind the moisture for subsequent use;
Preparation second component: namely 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer are dry mixed evenly for subsequent use with the second component;
Prepare the third component: namely 1～5 part of B-B fraction and 100 parts of acrylic resins are dry mixed evenly for subsequent use with the third component;
The preparation B-B fraction: namely 0.05～1 part of organic ultraviolet absorber and 0.5～5 part of antistatic agent are dry mixed evenly for subsequent use with B-B fraction;
Described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate; This inorganic particulate structure is spherical, and wherein mass ratio is large particle diameter: small particle diameter=1:2～3; Large particle diameter is 10～30 μ m, and they are footpath (being mean diameter) 13～22 μ m all, and the small particle diameter particle diameter is 0.5～9 μ m, and they are footpath 0.3～7 μ m all;
Described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
Described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. multipolymer (SEBS-g-GMA) of the styrene-ethylene-butadiene-styrene of the multipolymer (SEBS-g-MAH) of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene (POE-g-MAH), maleic anhydride graft or glycidyl methacrylate graft etc.;
Described organic ultraviolet absorber is a kind of in salicylate class, benzophenone class, the benzotriazole; Such as Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
Described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate;
(b) the compound two-way stretch light reflection of preparation polypropylene film:
Get each component, be dry mixed evenly by 30 mass parts first components and 60～80 mass parts second components, drop into again single screw extrusion machine No. 1; The third component is dropped into No. 2 single screw extrusion machines; The concrete consumption of feed composition is with arbitrary among the embodiment 3-16 and corresponding with step a embodiment; No. 1 single screw extrusion machine, No. 2 single screw extrusion machine length-diameter ratios are all greater than 40, material is respectively through No. 1 single screw extrusion machine, No. 2 single screw extrusion machines are after melting mixing under 180 ℃ of temperature, extrude three layers of compound sheet through three layers of compound T font die head, be cooled to 25～60 ℃ through the roller that is connected with 19 ℃ of chilled waters, after 80 ℃～160 ℃ lower preheatings, carry out longitudinal stretching again, stretching ratio is 2～5 times, after drawing the preheating cabinet preheating, 80 ℃～180 ℃ horizontal carry out cross directional stretch again, stretching ratio is 2～5 times, polypropylene film through two-way stretch enters electric heating passage heat set zone, wherein a district is 160 ℃～180 ℃, two districts are 130 ℃～150 ℃, three districts are 90 ℃～120 ℃, the polypropylene film of process heat set zone is again through 60 ℃～80 ℃, 0.1 after～1 minute and the at room temperature cooling in two stages, rolling namely makes three layers compound two-way stretch light reflection polypropylene film.
The thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
In above-described embodiment: in the percentage that adopts, do not indicate especially, be quality (weight) percentage; Described quality (weight) part can all be gram or kilogram.
In above-described embodiment: the technological parameter in each step (temperature, time, concentration etc.) and each amounts of components numerical value etc. are scope, and any point is all applicable.
The not concrete same prior art of technology contents of narrating in content of the present invention and above-described embodiment, described starting material are the commercially available prod.
The invention is not restricted to above-described embodiment, content of the present invention is described all can implement and have described good result.
Claims (10)
1. a compound two-way stretch light reflection polypropylene film is characterized in that: mix lower floor by alveolar layer and anti-ultraviolet anti-static in anti-ultraviolet anti-static mixing upper strata, the bubble successively and form, make by three-layer co-extruded two-way stretch moulding;
Alveolar layer is comprised of 30 mass parts first components and the mixing of 60～80 mass parts second components in the described bubble;
Described anti-ultraviolet anti-static mixing upper strata and anti-ultraviolet anti-static mix lower floor and form by the third component;
Described first component is comprised of 3～48 mass parts inorganic particulates and 5～50 mass parts A mixed with resin;
Described second component is mixed by 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer and is formed;
Described the third component is mixed by 1～5 mass parts B-B fraction and 95～99 mass parts acrylic resins and is formed;
Described B-B fraction is mixed by 0.05～1 mass parts organic ultraviolet absorber and 0.5～5 mass parts antistatic agent and forms;
Described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate;
Described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
Described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. the multipolymer of the styrene-ethylene-butadiene-styrene of the multipolymer of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene, maleic anhydride graft or glycidyl methacrylate graft;
Described organic ultraviolet absorber is Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
Described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
2. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: the thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
3. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described first component is comprised of 10～30 mass parts inorganic particulates and 10～20 mass parts A mixed with resin.
4. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described second component is mixed by 50～70 mass parts acrylic resins and 3～10 mass parts compatilizers and is formed.
5. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described inorganic particulate is titania, silicon dioxide or barium sulphate.
6. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described compatilizer is the ethene of maleic anhydride graft and the superpolymer of octene (POE-g-MAH).
7. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described organic ultraviolet absorber is Methyl Salicylate.
8. by compound two-way stretch light reflection polypropylene film claimed in claim 1, it is characterized in that: described antistatic agent is the multipolymer of methoxy poly (ethylene glycol) and methacrylate.
9. by the manufacture method of the described compound two-way stretch light reflection polypropylene film of claim 1, it is characterized in that comprising the following steps:
(a) preparation first component, second component, the third component and B-B fraction:
Preparation first component: with the first component namely 3～48 mass parts inorganic particulates and 5～50 mass parts A resins in feed bin, mix, through double screw extrusion machine, under 170～180 ℃ of temperature, carry out the melt blending extruding pelletization, dry remove behind the moisture for subsequent use;
Preparation second component: namely 50～70 mass parts acrylic resins and 1～20 mass parts compatilizer are dry mixed evenly for subsequent use with the second component;
Prepare the third component: namely 1～5 part of B-B fraction and 100 parts of acrylic resins are dry mixed evenly for subsequent use with the third component;
The preparation B-B fraction: namely 0.05～1 part of organic ultraviolet absorber and 0.5～5 part of antistatic agent are dry mixed evenly for subsequent use with B-B fraction;
Described inorganic particulate is one or more the potpourri in titania, silicon dioxide, calcium carbonate, zinc paste, cerium oxide, barium sulphate, the magnesium sulphate; This inorganic particulate structure is spherical, and wherein mass ratio is large particle diameter: small particle diameter=1:2～3; Large particle diameter is 10～30 μ m, and they are footpath (being mean diameter) 13～22 μ m all, and the small particle diameter particle diameter is 0.5～9 μ m, and they are footpath 0.3～7 μ m all;
Described A resin is that polyvinylidene fluoride or melting range are 150～180 ℃ dimethyl silicone polymer;
Described compatilizer is maleic anhydride or glycidyl methacrylate graft thing: i.e. the multipolymer of the styrene-ethylene-butadiene-styrene of the multipolymer of the styrene-ethylene-butadiene-styrene of the superpolymer of the ethene of maleic anhydride graft and octene, maleic anhydride graft or glycidyl methacrylate graft;
Described organic ultraviolet absorber is Methyl Salicylate, 2-(2 ˊ-hydroxyl-5 ˊ-aminomethyl phenyl) benzotriazole, 2,4-DihydroxyBenzophenone or Octabenzone;
Described antistatic agent is tetraalkylammonium salt, alkyl benzene sulfonate, alkyl sulfonate, polyether ester amides or polyetheramides acid imide; Or the multipolymer of methoxy poly (ethylene glycol) and methacrylate;
(b) the compound two-way stretch light reflection of preparation polypropylene film:
Get each component, be dry mixed evenly by 30 mass parts first components and 60～80 mass parts second components, drop into again single screw extrusion machine No. 1; The third component is dropped into No. 2 single screw extrusion machines; No. 1 single screw extrusion machine, No. 2 single screw extrusion machine length-diameter ratios are all greater than 40, material is respectively through No. 1 single screw extrusion machine, No. 2 single screw extrusion machines are after melting mixing under 180 ℃ of temperature, extrude three layers of compound sheet through three layers of compound T font die head, be cooled to 25～60 ℃ through the roller that is connected with 19 ℃ of chilled waters, after 80 ℃～160 ℃ lower preheatings, carry out longitudinal stretching again, stretching ratio is 2～5 times, after drawing the preheating cabinet preheating, 80 ℃～180 ℃ horizontal carry out cross directional stretch again, stretching ratio is 2～5 times, polypropylene film through two-way stretch enters electric heating passage heat set zone, wherein a district is 160 ℃～180 ℃, two districts are 130 ℃～150 ℃, three districts are 90 ℃～120 ℃, the polypropylene film of process heat set zone is again through 60 ℃～80 ℃, 0.1 after～1 minute and the at room temperature cooling in two stages, rolling namely makes three layers compound two-way stretch light reflection polypropylene film.
10. by the manufacture method of the described compound two-way stretch light reflection polypropylene film of claim 9, it is characterized in that: the thickness range of described compound two-way stretch light reflection polypropylene film is 0.1mm～0.35mm.
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| CN106873059A (en) * | 2015-12-14 | 2017-06-20 | 宁波长阳科技股份有限公司 | A kind of extrusion type brightness enhancement film and preparation method thereof |
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| CN101235191A (en) * | 2008-02-29 | 2008-08-06 | 浙江工业大学 | Special-purpose material for anti-static polyethylene terephthalate bidirectional stretching thin film and preparation |
| US20090043002A1 (en) * | 2004-09-14 | 2009-02-12 | The Furukawa Electric Co., Ltd. | Thermoplastic Resin Foam |
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| US20090043002A1 (en) * | 2004-09-14 | 2009-02-12 | The Furukawa Electric Co., Ltd. | Thermoplastic Resin Foam |
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Effective date of registration: 20201210 Address after: 621000 No. 188 Sanxing Road, Youxian District, Mianyang, Sichuan Patentee after: SICHUAN DONGFANG INSULATING MATERIAL Co.,Ltd. Address before: 621000 No. 188 Sanxing Road, Youxian District, Mianyang, Sichuan Patentee before: SICHUAN EM INSULATING TECHNOLOGY Co.,Ltd. |