CN105440973A - Nano-modified starch adhesive for corrugated carton and preparation method of adhesive - Google Patents
Nano-modified starch adhesive for corrugated carton and preparation method of adhesive Download PDFInfo
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Abstract
A nano-modified starch adhesive for a corrugated carton is prepared from, by weight, 500-800 parts of starch, 1800-2300 parts of water, 12-16 parts of hydrogen peroxide, 3-5 parts of sodium hydroxide, 25-35 parts of titanium dioxide-polymethylacrylic acid particles, 10-15 parts of tackifier, 10-15 parts of catalyst, 2-3 parts of antifoaming agent, 3-5 parts of water-proof agent and 1-3 parts of antibacterial preservative, wherein the titanium dioxide-polymethylacrylic acid particles are prepared from nano-titanium dioxide-silane particles, water, emulsifier, polymerization accelerant, methyl methacrylate and a salt solution with the concentration of 25%, and the nano-titanium dioxide-silane particles are prepared from nano-titanium dioxide, a coupling agent and ethyl acetate. When the adhesive is prepared, all the raw materials are mixed according to proportions and gelatinized. By means of the nano-modified starch adhesive for the corrugated carton and a preparation method of the adhesive, the bonding effect is significantly improved.
Description
Technical field
The invention belongs to composite modified starch technical field, be specifically related to a kind of Corrugated Box nano modification starch adhesive and preparation method thereof.
Background technology
The production of corrugated fibre box and making are the Application Areass that tackiness agent is maximum in the world, are wherein that the product of base-material is cheap because of it with starch based, and have suitable characteristic, and occupy ascendancy.The every average annual growth rate about 15% of current starch adhesive demand.Tackiness agent is the important materials determining box paper product and other packaging vessel bonding quality, and how its performance directly or indirectly affects the intensity of carton and other packaging vessel.Current domestic high-grade tackiness agent all dependence on import, the tackiness agent of domestic production can not meet service requirements at physical and chemical index such as sealing strength, shearing resistance and other heat-proof agings, and external existing nanotechnology applies to Starch Adhesive aspect product, current domestic Corrugated Box nano adhesive there is no the report producing product.The application of nano material in Starch Adhesive, the adhesive particle composition of formation is minimum, makes tackiness agent form highdensity bond state, and this is that common adhesive institute is unapproachable.On the other hand, nano titanium oxide can produce unique photocatalysis under the effect of light, the toxic and harmful in air can not only be decomposed and eliminate, and have very strong killing action to bacterium, mould, virus, this is to the box paper product for food packaging industry, extremely important.
Chinese patent: application publication number CN103333643A, the patent of invention in October 2 2013 Shen Qing Publication day disclose a kind of high compression resistant carton and stick with glue agent and preparation method thereof, and its constitutive material is: benzene emulsion, W-Gum, Nano titanium dioxide, zirconium white, epoxy chloropropane, polydimethylsiloxane, phenyl triethoxysilane, triethylene tetramine, 12 rare base succinic acid, sodium methyl silicate, methoxybutanol and water.Although invention adopts benzene emulsion and W-Gum to be major ingredient, by the ozone Oxidation Treatment to W-Gum, improve the premium properties of W-Gum, substantially increase the ultimate compression strength of product, its adhesive effect is poor, needs to improve further.
Summary of the invention
The object of the invention is to overcome the problem that the adhesive effect of prior art existence is not good, a kind of Corrugated Box nano modification starch adhesive that effectively can improve adhesive effect and preparation method thereof is provided.
For realizing above object, the invention provides following technical scheme:
A kind of Corrugated Box nano modification starch adhesive, the raw material composition of this tackiness agent and weight part ratio thereof are: starch 500 ~ 800, water 1800 ~ 2300, hydrogen peroxide 12 ~ 16, sodium hydroxide 3 ~ 5, titanium dioxide-polymethyl acid particles 25 ~ 35, tackifier 10 ~ 15, catalyzer 10 ~ 15, defoamer 2 ~ 3, water-proofing agent 3 ~ 5, fungicidal preservative 1 ~ 3, wherein
The raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 50 ~ 80, water 300 ~ 400, emulsifying agent 5 ~ 8, polymerization promotor 1 ~ 2, methyl methacrylate 2 ~ 3, concentration are the salt solution 10 ~ 20 of 25%, and the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 30 ~ 50, coupling agent 0.5 ~ 1, ethyl acetate 10 ~ 15.
Described emulsifying agent is sodium lauryl sulphate, and described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
Described starch is W-Gum, and described tackifier are borax, and described catalyzer is alum, and described defoamer is silicone emulsion, and described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
Described preparation method comprises the following steps successively:
The modification of nano titanium oxide: first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion, be warming up to 70 ~ 80 DEG C again and be incubated 2.5 ~ 3.5h, then be down to normal temperature, after filtration, dry successively, grind after washing, obtain nano titanium oxide-silicon particles;
Active nano titanic oxide polymer overmold: first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion, 2.5 ~ 3.5h is incubated add polymerization promotor and methyl methacrylate mixing again at 60 ~ 70 DEG C after, then the salt solution that concentration is 25% is added, after filtration, dry successively, grind after washing, namely obtain titanium dioxide-polymethyl acid particles;
The preparation of epoxy glue: starch, water, hydrogen peroxide, sodium hydroxide, titanium dioxide-polymethyl acid particles, tackifier, catalyzer, defoamer, water-proofing agent, fungicidal preservative are mixed in proportion to obtain Corrugated Box nano modification Starch Adhesive.
The preparation process of described epoxy glue specifically comprises the following steps:
The preparation of mixed once glue: first hydrogen peroxide is divided into two parts, moisture becomes three parts, starch is divided into two parts, again first part of water is mixed with first part of hydrogen peroxide, and at 35 ~ 45 DEG C, add first part of starch and titanium dioxide-polymethyl acrylic acid mix particles is even, then add sodium hydroxide and be warming up to 60 ~ 70 DEG C of mixing, finally add second part of water and mix and obtain mixed once glue, wherein, first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, the mass parts ratio of second part of water is 800 ~ 1000: 6 ~ 8: 300 ~ 500: 15 ~ 20: 3 ~ 5: 200 ~ 300,
The preparation of secondary epoxy glue: at 35 ~ 45 DEG C, by second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative adds in the 3rd part of water and mixes and obtain secondary epoxy glue, described 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, the mass parts ratio of fungicidal preservative is 800 ~ 1000: 6 ~ 8: 10 ~ 15: 200 ~ 300: 10 ~ 15: 10 ~ 15: 2 ~ 3: 3 ~ 5: 1 ~ 3,
Mixed eventually: mixed once glue to be added in secondary epoxy glue and mixes, obtain Corrugated Box nano modification Starch Adhesive.
In the modification procedure of described nano titanium oxide, the time that nano titanium oxide, coupling agent mix with ethyl acetate is 15 ~ 20min;
In described active nano titanic oxide polymer overmold step, the time that nano titanium oxide-silicon particles, water mix with emulsifying agent is 10 ~ 15min;
In the preparation of described mixed once glue, adding sodium hydroxide and being warming up to 60 ~ 70 DEG C of times mixed is 10 ~ 15min;
Described end mixes in step, and mixed once glue being added the time mixed in secondary epoxy glue is 10 ~ 15min.
Described emulsifying agent is sodium lauryl sulphate, and described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
Described starch is W-Gum, and described tackifier are borax, and described catalyzer is alum, and described defoamer is silicone emulsion, and described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
Compared with prior art, beneficial effect of the present invention is:
1, the raw material composition of a kind of Corrugated Box nano modification of the present invention starch adhesive comprises titanium dioxide-polymethyl acid particles, the raw material composition of this titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 50 ~ 80, water 300 ~ 400, emulsifying agent 5 ~ 8, polymerization promotor 1 ~ 2, methyl methacrylate 2 ~ 3, concentration is the salt solution 10 ~ 20 of 25%, and the raw material of nano titanium oxide-silicon particles composition and weight part ratio are: nano titanium oxide 30 ~ 50, coupling agent 0.5 ~ 1, ethyl acetate 10 ~ 15, during preparation, first by nano titanium oxide and coupling agent, ethyl acetate is mixed and modified, grinding obtains nano titanium oxide-silicon particles, again by nano titanium oxide-silicon particles, water, emulsifying agent adds polymerization promotor after mixing and methyl methacrylate carries out polyreaction, this design is by the Surface coating one deck polymethyl acrylic acid material at nano titanium oxide, improve its dispersiveness in water, above-mentioned materials is added in starch adhesive and can form highdensity network structure, increase substantially its adhesive effect.Therefore, invention increases the adhesive effect of tackiness agent.
In the preparation method of 2, a kind of Corrugated Box nano modification of the present invention starch adhesive, the preparation process of epoxy glue comprises the preparation of mixed once glue, the preparation of secondary epoxy glue, namely glue is mixed at twice, compared with once mixed glue, the epoxy glue that gas prepares is more even, be conducive to improving bonding strength further, in addition, moisture successively adds for twice by the preparation manipulation of mixed once glue, this is designed with the viscosity being beneficial to regulation system, make the epoxy glue of preparation evenly.Therefore, present method is conducive to the bonding strength improving tackiness agent further.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
A kind of Corrugated Box nano modification starch adhesive, the raw material composition of this tackiness agent and weight part ratio thereof are: starch 500 ~ 800, water 1800 ~ 2300, hydrogen peroxide 12 ~ 16, sodium hydroxide 3 ~ 5, titanium dioxide-polymethyl acid particles 25 ~ 35, tackifier 10 ~ 15, catalyzer 10 ~ 15, defoamer 2 ~ 3, water-proofing agent 3 ~ 5, fungicidal preservative 1 ~ 3, wherein
The raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 50 ~ 80, water 300 ~ 400, emulsifying agent 5 ~ 8, polymerization promotor 1 ~ 2, methyl methacrylate 2 ~ 3, concentration are the salt solution 10 ~ 20 of 25%, and the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 30 ~ 50, coupling agent 0.5 ~ 1, ethyl acetate 10 ~ 15.
Described emulsifying agent is sodium lauryl sulphate, and described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
Described starch is W-Gum, and described tackifier are borax, and described catalyzer is alum, and described defoamer is silicone emulsion, and described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
Described preparation method comprises the following steps successively:
The modification of nano titanium oxide: first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion, be warming up to 70 ~ 80 DEG C again and be incubated 2.5 ~ 3.5h, then be down to normal temperature, after filtration, dry successively, grind after washing, obtain nano titanium oxide-silicon particles;
Active nano titanic oxide polymer overmold: first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion, 2.5 ~ 3.5h is incubated add polymerization promotor and methyl methacrylate mixing again at 60 ~ 70 DEG C after, then the salt solution that concentration is 25% is added, after filtration, dry successively, grind after washing, namely obtain titanium dioxide-polymethyl acid particles;
The preparation of epoxy glue: starch, water, hydrogen peroxide, sodium hydroxide, titanium dioxide-polymethyl acid particles, tackifier, catalyzer, defoamer, water-proofing agent, fungicidal preservative are mixed in proportion to obtain Corrugated Box nano modification Starch Adhesive.
The preparation process of described epoxy glue specifically comprises the following steps:
The preparation of mixed once glue: first hydrogen peroxide is divided into two parts, moisture becomes three parts, starch is divided into two parts, again first part of water is mixed with first part of hydrogen peroxide, and at 35 ~ 45 DEG C, add first part of starch and titanium dioxide-polymethyl acrylic acid mix particles is even, then add sodium hydroxide and be warming up to 60 ~ 70 DEG C of mixing, finally add second part of water and mix and obtain mixed once glue, wherein, first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, the mass parts ratio of second part of water is 800 ~ 1000: 6 ~ 8: 300 ~ 500: 15 ~ 20: 3 ~ 5: 200 ~ 300,
The preparation of secondary epoxy glue: at 35 ~ 45 DEG C, by second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative adds in the 3rd part of water and mixes and obtain secondary epoxy glue, described 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, the mass parts ratio of fungicidal preservative is 800 ~ 1000: 6 ~ 8: 10 ~ 15: 200 ~ 300: 10 ~ 15: 10 ~ 15: 2 ~ 3: 3 ~ 5: 1 ~ 3,
Mixed eventually: mixed once glue to be added in secondary epoxy glue and mixes, obtain Corrugated Box nano modification Starch Adhesive.
In the modification procedure of described nano titanium oxide, the time that nano titanium oxide, coupling agent mix with ethyl acetate is 15 ~ 20min;
In described active nano titanic oxide polymer overmold step, the time that nano titanium oxide-silicon particles, water mix with emulsifying agent is 10 ~ 15min;
In the preparation of described mixed once glue, adding sodium hydroxide and being warming up to 60 ~ 70 DEG C of times mixed is 10 ~ 15min;
Described end mixes in step, and mixed once glue being added the time mixed in secondary epoxy glue is 10 ~ 15min.
Described emulsifying agent is sodium lauryl sulphate, and described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
Described starch is W-Gum, and described tackifier are borax, and described catalyzer is alum, and described defoamer is silicone emulsion, and described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
Principle of the present invention is described as follows:
The present invention has prepared a kind of starch adhesive containing nano titanium oxide, by the Surface coating one deck organic materials at nano titanium oxide, improve its dispersiveness in water, this material is added in tackiness agent and can form highdensity network structure, increased substantially adhesive effect.
The preparation of epoxy glue: according to once mixed glue, all adds by starch material is disposable, easily makes starch all be oxidized to small molecules, be unfavorable for improving bonding action, and the viscosity of uncontrollable colloid.Therefore, the present invention is mixed glue at twice, namely first prepares mixed once glue, be also carrier glue, then prepare secondary epoxy glue, then slowly join in secondary epoxy glue by carrier glue, the method mix than once mixed glue evenly, glue bonding strength can be made significantly to improve.
The preparation of mixed once glue: moisture successively adds for twice by this step, the viscosity of system is easily regulated, wherein, finally add second part of water and mix the temperature that can reduce system, the viscosity of regulation system, make epoxy glue evenly, in addition, the volume of colloid can also be controlled, make it reach the requirement of formula volume.
Embodiment 1:
A kind of Corrugated Box nano modification starch adhesive, the raw material composition of this tackiness agent and weight part ratio thereof are: starch 500, water 1800, hydrogen peroxide 12, sodium hydroxide 3, titanium dioxide-polymethyl acid particles 25, tackifier borax 10, catalyzer alum 10, defoamer silicone emulsion 2, water-proofing agent urea-formaldehyde resin 3, fungicidal preservative isothiazolinone 1, wherein, the raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 50, water 300, emulsifier sodium lauryl sulfate 5, polymerization promotor Potassium Persulphate 1, methyl methacrylate 2, concentration is the salt solution 10 of 25%, the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 30, silane coupling A-1710.5, ethyl acetate 10,
During preparation, carry out following steps successively:
The modification of nano titanium oxide: first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion and stir 15min, be warming up to 70 DEG C again and be incubated 3h, then normal temperature is down to, with drying successively after millipore filter filtration, distilled water wash, grinding, obtain nano titanium oxide-silicon particles;
Active nano titanic oxide polymer overmold: first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion and stir 10min, 3h is incubated add polymerization promotor and methyl methacrylate stirring again at 60 DEG C after, then the salt solution that concentration is 25% is added, with drying successively after millipore filter filtration, distilled water wash, grinding, namely obtain titanium dioxide-polymethyl acid particles;
The preparation of mixed once glue: first hydrogen peroxide is divided into two parts, moisture becomes three parts, starch is divided into two parts, again first part of water is mixed with first part of hydrogen peroxide, and at 40 DEG C, add first part of starch and titanium dioxide-polymethyl acid particles stirs, then add sodium hydroxide and be warming up to 65 DEG C and stir 10min, finally add second part of water stir and obtain mixed once glue, wherein, first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, the mass parts ratio of second part of water is 800: 6: 300: 15: 3: 200,
The preparation of secondary epoxy glue: at 40 DEG C, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative added in the 3rd part of water and stir and obtain secondary epoxy glue, the mass parts ratio of described 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative is 800: 6: 10: 200: 10: 10: 2: 3: 1;
Mixed eventually: mixed once glue to be added in secondary epoxy glue and stirs 10min, obtain Corrugated Box nano modification Starch Adhesive.
Embodiment 2:
Step is with embodiment 1, and difference is:
The raw material composition of described tackiness agent and weight part ratio thereof are: starch 500, water 2300, hydrogen peroxide 16, sodium hydroxide 5, titanium dioxide-polymethyl acid particles 35, tackifier borax 15, catalyzer alum 15, defoamer silicone emulsion 3, water-proofing agent urea-formaldehyde resin 5, fungicidal preservative isothiazolinone 3, the raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 80, water 400, emulsifier sodium lauryl sulfate 8, polymerization promotor Potassium Persulphate 2, methyl methacrylate 3, concentration is the salt solution 20 of 25%, the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 50, silane coupling A-1711, ethyl acetate 15,
In the modification procedure of described nano titanium oxide, first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion and stir 20min, then be warming up to 80 DEG C and be incubated 2.5h;
In described active nano titanic oxide polymer overmold step, first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion and stir 15min, then be incubated 2.5h add polymerization promotor and methyl methacrylate stirring at 70 DEG C after;
In the preparation process of described mixed once glue, first part of starch is added and titanium dioxide-polymethyl acid particles stirs at 35 DEG C, then add sodium hydroxide and be warming up to 60 DEG C and stir 15min, the mass parts ratio of first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, second part of water is 1000: 8: 500: 20: 5: 300;
In the preparation process of described secondary epoxy glue, the temperature of mix and blend is 35 DEG C, and the mass parts ratio of the 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative is 1000: 8: 15: 300: 15: 15: 3: 5: 3;
Described end mixes in step, is added in secondary epoxy glue by mixed once glue and stirs 15min.
Embodiment 3:
Step is with embodiment 1, and difference is:
The raw material composition of described tackiness agent and weight part ratio thereof are: starch 650, water 1950, hydrogen peroxide 14, sodium hydroxide 4, titanium dioxide-polymethyl acid particles 30, tackifier borax 12, catalyzer alum 13, defoamer silicone emulsion 2.5, water-proofing agent urea-formaldehyde resin 4, fungicidal preservative isothiazolinone 2, wherein, the raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 70, water 350, emulsifier sodium lauryl sulfate 6, polymerization promotor Potassium Persulphate 1.5, methyl methacrylate 2.5, concentration is the salt solution 15 of 25%, the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 40, silane coupling A-1710.8, ethyl acetate 12,
In the modification procedure of described nano titanium oxide, first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion and stir 17min, then be warming up to 75 DEG C and be incubated 3.5h;
In described active nano titanic oxide polymer overmold step, first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion and stir 11min, then be incubated 3.5h add polymerization promotor and methyl methacrylate stirring at 63 DEG C after;
In the preparation process of described mixed once glue, first part of starch is added and titanium dioxide-polymethyl acid particles stirs at 45 DEG C, then add sodium hydroxide and be warming up to 63 DEG C and stir 12min, the mass parts ratio of first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, second part of water is 900: 7: 400: 17: 4: 150;
In the preparation process of described secondary epoxy glue, the temperature of mix and blend is 45 DEG C, and the mass parts ratio of the 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative is 900: 7: 12: 250: 13: 13: 2.5: 4: 2.
Detected by the properties of the tackiness agent adopting above-described embodiment to prepare, result is as follows:
Density: 1.09g/cm
3;
Resin added: 80 ~ 100gm
2;
Binding speed: entirely glue, 10min;
Bond strength: be more than or equal to 8.5N/cm
2;
Side pressure strength: be more than or equal to 9600N/m.
Claims (8)
1. a Corrugated Box nano modification starch adhesive, is characterized in that:
The raw material composition of described tackiness agent and weight part ratio thereof are: starch 500 ~ 800, water 1800 ~ 2300, hydrogen peroxide 12 ~ 16, sodium hydroxide 3 ~ 5, titanium dioxide-polymethyl acid particles 25 ~ 35, tackifier 10 ~ 15, catalyzer 10 ~ 15, defoamer 2 ~ 3, water-proofing agent 3 ~ 5, fungicidal preservative 1 ~ 3, wherein
The raw material composition of described titanium dioxide-polymethyl acid particles and weight part ratio are: nano titanium oxide-silicon particles 50 ~ 80, water 300 ~ 400, emulsifying agent 5 ~ 8, polymerization promotor 1 ~ 2, methyl methacrylate 2 ~ 3, concentration are the salt solution 10 ~ 20 of 25%, and the raw material composition of described nano titanium oxide-silicon particles and weight part ratio are: nano titanium oxide 30 ~ 50, coupling agent 0.5 ~ 1, ethyl acetate 10 ~ 15.
2. a kind of Corrugated Box nano modification starch adhesive according to claim 1, it is characterized in that: described emulsifying agent is sodium lauryl sulphate, described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
3. a kind of Corrugated Box nano modification starch adhesive according to claim 1 and 2, it is characterized in that: described starch is W-Gum, described tackifier are borax, described catalyzer is alum, described defoamer is silicone emulsion, described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
4. a preparation method for Corrugated Box nano modification starch adhesive according to claim 1, is characterized in that:
Described preparation method comprises the following steps successively:
The modification of nano titanium oxide: first nano titanium oxide, coupling agent, ethyl acetate are mixed in proportion, be warming up to 70 ~ 80 DEG C again and be incubated 2.5 ~ 3.5h, then be down to normal temperature, after filtration, dry successively, grind after washing, obtain nano titanium oxide-silicon particles;
Active nano titanic oxide polymer overmold: first nano titanium oxide-silicon particles, water, emulsifying agent are mixed in proportion, 2.5 ~ 3.5h is incubated add polymerization promotor and methyl methacrylate mixing again at 60 ~ 70 DEG C after, then the salt solution that concentration is 25% is added, after filtration, dry successively, grind after washing, namely obtain titanium dioxide-polymethyl acid particles;
The preparation of epoxy glue: starch, water, hydrogen peroxide, sodium hydroxide, titanium dioxide-polymethyl acid particles, tackifier, catalyzer, defoamer, water-proofing agent, fungicidal preservative are mixed in proportion gelatinization to obtain Corrugated Box nano modification Starch Adhesive.
5. the preparation method of a kind of Corrugated Box nano modification starch adhesive according to claim 4, is characterized in that:
The preparation process of described epoxy glue specifically comprises the following steps:
The preparation of mixed once glue: first hydrogen peroxide is divided into two parts, moisture becomes three parts, starch is divided into two parts, again first part of water is mixed with first part of hydrogen peroxide, and at 35 ~ 45 DEG C, add first part of starch and titanium dioxide-polymethyl acrylic acid mix particles is even, then add sodium hydroxide and be warming up to 60 ~ 70 DEG C of mixing, finally add second part of water and mix and obtain mixed once glue, wherein, first part of water, first part of hydrogen peroxide, first part of starch, titanium dioxide-polymethyl acid particles, sodium hydroxide, the mass parts ratio of second part of water is 800 ~ 1000: 6 ~ 8: 300 ~ 500: 15 ~ 20: 3 ~ 5: 200 ~ 300,
The preparation of secondary epoxy glue: at 35 ~ 45 DEG C, by second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, fungicidal preservative adds in the 3rd part of water and mixes and obtain secondary epoxy glue, described 3rd part of water, second part of hydrogen peroxide, tackifier, second part of starch, titanium dioxide-polymethyl acid particles, catalyzer, defoamer, water-proofing agent, the mass parts ratio of fungicidal preservative is 800 ~ 1000: 6 ~ 8: 10 ~ 15: 200 ~ 300: 10 ~ 15: 10 ~ 15: 2 ~ 3: 3 ~ 5: 1 ~ 3,
Mixed eventually: mixed once glue to be added in secondary epoxy glue and mixes, obtain Corrugated Box nano modification Starch Adhesive.
6. the preparation method of a kind of Corrugated Box nano modification starch adhesive according to claim 5, is characterized in that:
In the modification procedure of described nano titanium oxide, the time that nano titanium oxide, coupling agent mix with ethyl acetate is 15 ~ 20min;
In described active nano titanic oxide polymer overmold step, the time that nano titanium oxide-silicon particles, water mix with emulsifying agent is 10 ~ 15min;
In the preparation of described mixed once glue, adding sodium hydroxide and being warming up to 60 ~ 70 DEG C of times mixed is 10 ~ 15min;
Described end mixes in step, and mixed once glue being added the time mixed in secondary epoxy glue is 10 ~ 15min.
7. according to claim 4 ?the preparation method of a kind of Corrugated Box nano modification starch adhesive according to any one of 6, it is characterized in that: described emulsifying agent is sodium lauryl sulphate, described polymerization promotor is Potassium Persulphate, and described coupling agent is silane coupling A-171.
8. according to claim 4 ?the preparation method of a kind of Corrugated Box nano modification starch adhesive according to any one of 6, it is characterized in that: described starch is W-Gum, described tackifier are borax, described catalyzer is alum, described defoamer is silicone emulsion, described water-proofing agent is urea-formaldehyde resin, and described fungicidal preservative is isothiazolinone.
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| CN109021861A (en) * | 2018-07-17 | 2018-12-18 | 蚌埠市奥特纸箱机械有限公司 | A kind of Carton adhesive and preparation method thereof |
| CN110205865A (en) * | 2019-05-30 | 2019-09-06 | 方成 | A kind of preparation method of tensile type hydrophobic paper |
| CN117820987A (en) * | 2024-01-03 | 2024-04-05 | 东莞伟峰纸品印刷有限公司 | Degradable corrugated board glue and preparation process thereof |
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| CN110205865A (en) * | 2019-05-30 | 2019-09-06 | 方成 | A kind of preparation method of tensile type hydrophobic paper |
| CN117820987A (en) * | 2024-01-03 | 2024-04-05 | 东莞伟峰纸品印刷有限公司 | Degradable corrugated board glue and preparation process thereof |
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