CN104140612B - A kind of polrvinyl chloride composite film material and preparation method thereof - Google Patents
A kind of polrvinyl chloride composite film material and preparation method thereof Download PDFInfo
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- CN104140612B CN104140612B CN201410282104.6A CN201410282104A CN104140612B CN 104140612 B CN104140612 B CN 104140612B CN 201410282104 A CN201410282104 A CN 201410282104A CN 104140612 B CN104140612 B CN 104140612B
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Abstract
The present invention relates to a kind of polrvinyl chloride composite film material and preparation method thereof, polrvinyl chloride composite film material is made up of according to weight ratio following component: polrvinyl chloride is 34～48 parts, polyvinyl alcohol is 16～22 parts, diethylene glycol dibenzoate is 13～17 parts, butyl formate is 6～12 parts, Butesin is 3～7 parts, glycerol is 5～8 parts, magnesium carbonate is 2～4 parts.The preparation method of the polrvinyl chloride composite film material of the present invention includes the steps such as mixed at high speed, melt extruded, tabletted, stretching, film forming.The polrvinyl chloride composite film material prepared has the best elongation at break and hot strength, can be used in plastics package industry, improves the quality of packaging.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of thin-film material and preparation method thereof, particularly relate to a kind of polrvinyl chloride composite film material and preparation method thereof.
Background technology
In packaging industry, the thin-film material that macromolecular material prepares is applied widely, has very many uses in packaging bag, packing box.The kind of thin-film material is the most, and the composite film material that different materials prepares also has different functions and different character.
Polyvinyl chloride film material is exactly a kind of thin-film material used widely, in the thin-film material that generally polrvinyl chloride prepares, composition is relatively simple, the elongation at break of the polrvinyl chloride based film material after drawing molding is relatively low, its tensile property is the most poor, it is impossible to be preferably applicable to some application higher to aeroelastic requirements.It is thus desirable to improve tensile property and the elongation at break of polyvinyl chloride film material.
Summary of the invention
Solve the technical problem that: the tensile property of commonly used polyvinyl chloride film material is poor, its hot strength only has 40MPa to 50MPa, its elongation at break also only has 170% to 200%, at some, thin-film material elastic deformation is required that in higher use, its poor performance can not be well used.
Technical scheme: for the problems referred to above, the invention discloses a kind of polrvinyl chloride composite film material, and polrvinyl chloride composite film material is made up of according to weight ratio following component:
Polrvinyl chloride
34～48 parts,
Polyvinyl alcohol
16～22 parts,
Diethylene glycol dibenzoate 13～17 parts,
Butyl formate
6～12 parts,
Butesin 3～7 parts,
Glycerol
5～8 parts,
Magnesium carbonate
2～4 parts.
The preparation method of described polrvinyl chloride composite film material comprises the steps:
(1) polrvinyl chloride be 34～48 parts, polyvinyl alcohol be 16～22 parts, diethylene glycol dibenzoate be 13～17 parts, vinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) put in high-speed mixer again butyl formate be 6～12 parts, Butesin be 3～7 parts, glycerol be 5～8 parts, magnesium carbonate be 2～4 parts, butyl formate, Butesin, glycerol, magnesium carbonate are mixed with mixed compound in step (1) again, after mix homogeneously, obtains final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) is carried out plasticizing extruding, twin (double) screw extruder draw ratio is 20:1～30:1, when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 150～165 DEG C, second segment is 170～175 DEG C, and the 3rd section is 190～200 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The preparation method of described a kind of polrvinyl chloride composite film material, in described preparation method, butyl formate is preferably 9～12 parts.
The preparation method of described a kind of polrvinyl chloride composite film material, the Butesin described in preparation method is preferably 7 parts.
The preparation method of described a kind of polrvinyl chloride composite film material, the diethylene glycol dibenzoate described in preparation method is preferably 15 parts.
By adding magnesium carbonate, Butesin in polyvinyl chloride film material, improve elongation at break and the hot strength of polyvinyl chloride film material.
Beneficial effect: the polrvinyl chloride composite film material that the preparation method of the present invention prepares overcomes the problem that polyvinyl chloride film hot strength is low, elongation at break is low of routine, the hot strength of the polrvinyl chloride composite film material of preparation is 64.6MPa to 67.2MPa, and elongation at break has reached 213% to 225%.
Detailed description of the invention
Embodiment 1
(1) polrvinyl chloride be 34kg, polyvinyl alcohol be 22kg, diethylene glycol dibenzoate be 15kg, vinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) again in high-speed mixer put into butyl formate be 6kg, Butesin be 7kg, glycerol be 8kg, magnesium carbonate be 4kg, butyl formate, Butesin, glycerol, magnesium carbonate are mixed with mixed compound in step (1) again, after mix homogeneously, obtains final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) carries out plasticizing extruding, and twin (double) screw extruder draw ratio is 30:1, and when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 165 DEG C, second segment is 170 DEG C, and the 3rd section is 200 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The hot strength of the polyvinyl chloride film material of the embodiment 1 prepared is 64.6MPa, and elongation at break is 213%.
Embodiment 2
(1) polrvinyl chloride be 42kg, polyvinyl alcohol be 16kg, diethylene glycol dibenzoate be 13kg, vinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) again in high-speed mixer put into butyl formate be 9kg, Butesin be 3kg, glycerol be 6kg, magnesium carbonate be 2kg, butyl formate, Butesin, glycerol, magnesium carbonate are mixed with mixed compound in step (1) again, after mix homogeneously, obtains final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) carries out plasticizing extruding, and twin (double) screw extruder draw ratio is 20:1, and when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 150 DEG C, second segment is 175 DEG C, and the 3rd section is 190 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The hot strength of the polyvinyl chloride film material of the embodiment 2 prepared is 67.2MPa, and elongation at break is 225%.
Embodiment 3
(1) polrvinyl chloride be 48kg, polyvinyl alcohol be 19kg, diethylene glycol dibenzoate be 17kg, vinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) again in high-speed mixer put into butyl formate be 12kg, Butesin be 5kg, glycerol be 5kg, magnesium carbonate be 3kg, butyl formate, Butesin, glycerol, magnesium carbonate are mixed with mixed compound in step (1) again, after mix homogeneously, obtains final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) carries out plasticizing extruding, and twin (double) screw extruder draw ratio is 20:1, and when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 160 DEG C, second segment is 170 DEG C, and the 3rd section is 200 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The hot strength of the polyvinyl chloride film material of the embodiment 3 prepared is 66.5MPa, and elongation at break is 219%.
Embodiment 4
(1) polrvinyl chloride be 48kg, polyvinyl alcohol be 19kg, diethylene glycol dibenzoate be 17kg, vinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) again in high-speed mixer put into butyl formate be 12kg, glycerol be 5kg, butyl formate, glycerol are mixed with mixed compound in step (1) again, after mix homogeneously, obtain final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) carries out plasticizing extruding, and twin (double) screw extruder draw ratio is 20:1, and when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 160 DEG C, second segment is 170 DEG C, and the 3rd section is 200 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The hot strength of the polyvinyl chloride film material of the embodiment 4 prepared is 51.3MPa, and elongation at break is 174%.
The performance comparison of the polyvinyl chloride film material prepared from embodiment 1 to 4 is found out, the preparation method of the present invention is by with the addition of magnesium carbonate, Butesin, significantly improve hot strength and the elongation at break of the polyvinyl chloride film material prepared, effectively raise the character of polyvinyl chloride film material.
Claims (5)
1. a polrvinyl chloride composite film material, it is characterised in that polrvinyl chloride composite film material is made up of according to weight ratio following component:
Polrvinyl chloride 34～48 parts,
Polyvinyl alcohol 16～22 parts,
Diethylene glycol dibenzoate 13～17 parts,
Butyl formate 6～12 parts,
Butesin 3～7 parts,
Glycerol 5～8 parts,
Magnesium carbonate 2～4 parts.
The preparation method of a kind of polrvinyl chloride composite film material the most according to claim 1, it is characterised in that the preparation method of polrvinyl chloride composite film material comprises the steps:
(1) polrvinyl chloride be 34～48 parts, polyvinyl alcohol be 16～22 parts, diethylene glycol dibenzoate be 13～17 parts, polrvinyl chloride, polyvinyl alcohol, three kinds of compositions of diethylene glycol dibenzoate are put into mix homogeneously in high-speed mixers；
(2) put in high-speed mixer again butyl formate be 6～12 parts, Butesin be 3～7 parts, glycerol be 5～8 parts, magnesium carbonate be 2～4 parts, butyl formate, Butesin, glycerol, magnesium carbonate are mixed with mixed compound in step (1) again, after mix homogeneously, obtains final compound；
(3) twin (double) screw extruder is opened, the final compound twin (double) screw extruder obtained in step (2) is carried out plasticizing extruding, twin (double) screw extruder draw ratio is 20:1～30:1, when twin screw extrudes, extrusion temperature is segmented into: first paragraph is 150～165 DEG C, second segment is 170～175 DEG C, and the 3rd section is 190～200 DEG C；
(4) after twin-screw extruder, compound is carried out tabletting and stretch processing, then prepare and become thin-film material, for described polrvinyl chloride composite film material.
The preparation method of a kind of polrvinyl chloride composite film material the most according to claim 2, it is characterised in that in described preparation method, butyl formate is 9～12 parts.
The preparation method of a kind of polrvinyl chloride composite film material the most according to claim 2, it is characterised in that the Butesin described in preparation method is 7 parts.
The preparation method of a kind of polrvinyl chloride composite film material the most according to claim 2, it is characterised in that the diethylene glycol dibenzoate described in preparation method is 15 parts.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788851A (en) * | 2015-04-21 | 2015-07-22 | 苏州市鼎立包装有限公司 | Stretch-proof film packaging material and preparation method of material |
| CN105131474A (en) * | 2015-09-23 | 2015-12-09 | 江苏蓝湾生物科技有限公司 | Preparation method of medical film having sterilizing function |
| CN105131472A (en) * | 2015-09-23 | 2015-12-09 | 江苏蓝湾生物科技有限公司 | Preparation method of anti-fogging medical film having sterilizing function |
| CN105111631A (en) * | 2015-09-23 | 2015-12-02 | 江苏蓝湾生物科技有限公司 | Preparation method for high-temperature resistant medical film with sterilization function |
| CN105854635A (en) * | 2016-06-17 | 2016-08-17 | 安庆市天虹新型材料科技有限公司 | Polyvinyl chloride ultrafiltration membrane special for water treatment |
| CN106009377A (en) * | 2016-06-17 | 2016-10-12 | 安庆市天虹新型材料科技有限公司 | Polyvinyl chloride film |
| CN109354797A (en) * | 2018-09-21 | 2019-02-19 | 上海佰鑫新材料科技有限公司 | A kind of anti-aging plastics film and its preparation process |
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| CN103540062A (en) * | 2013-10-17 | 2014-01-29 | 江苏晨洁家化制造有限公司 | PVC (Polyvinyl Chloride) diaphragm and manufacturing method thereof |
| CN103665662A (en) * | 2013-12-02 | 2014-03-26 | 南通瑞普埃尔生物工程有限公司 | Heat-shrinkable PVC film and making method thereof |
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Patent Citations (5)
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| CN1358791A (en) * | 2000-12-12 | 2002-07-17 | 海尔科化工程塑料国家工程研究中心有限公司 | Polymer organic nano composite ocmposition for making agriculture greenhouse film and preparation process thereof |
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Inventor after: Wang Xiumin Inventor after: Yang Yongqiang Inventor before: Zhang Taiyuan |
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Effective date of registration: 20160701 Address after: 100076 Beijing economic and Technological Development Zone in the middle of the street, No. 9, building No. 11, Beijing Applicant after: Beijing Zhongjia Weihua Technology Development Co., Ltd. Address before: Suzhou City, Jiangsu province 215000 Suzhou high tech Industrial Development Zone Xuguan Industrial Park Hu Yang Road No. 26 Applicant before: Suzhou Shengbaiwei Package Equipment Co., Ltd. |
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