CN104140567A - Degradable composite thin film material and preparation method thereof - Google Patents
Degradable composite thin film material and preparation method thereof Download PDFInfo
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- CN104140567A CN104140567A CN201410282044.8A CN201410282044A CN104140567A CN 104140567 A CN104140567 A CN 104140567A CN 201410282044 A CN201410282044 A CN 201410282044A CN 104140567 A CN104140567 A CN 104140567A
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Abstract
The invention relates to a degradable composite thin film material and a preparation method of the degradable composite thin film material. The degradable composite thin film material consists of the following components in parts by weight: 12-15 parts of hydroxypropyl starch, 19-21 parts of hydroxyethyl cellulose, 8-9 parts of 1,2-propylene glycol, 4-9 parts of polypropylene glycol 2000, 5-9 parts of lignocellulose and 7-14 parts of polylactic acid fiber. The preparation method of the degradable composite thin film material comprises the following steps: heating and dissolving, performing screw extrusion, and drawing and molding. The prepared degradable composite thin film material disclosed by the invention has excellent tensile property and boiling resistance, and can be used for improving the durability of the composite thin film material on the basis of degradability.
Description
Technical field
The invention belongs to thin-film material field, relate to a kind of composite film material and preparation method thereof, particularly relate to a kind of degradable composite film material and preparation method thereof.
Background technology
Along with increasing that plastic membrane product uses, give in physical environment and brought a large amount of pollutions, conventional plastic membrane product, the plastics film that such as polypropylene, polyvinyl chloride, polyethylene etc. are made cannot natural degradation under physical environment, placing after a lot of years, still be present in physical environment, these plastics films that can not degrade have increased the pollution of environment.
Along with the reinforcement of all trades and professions to environmental consciousness, the plastic film of can demoting is becoming a kind of development trend of main flow gradually, along with deepening continuously of scientific research, various novel demoted plastic films also produce thereupon, common its tensile property of degradable plastic film and resistance toheat are poor, how improving their tensile strength and heat-resisting intensity, is a problem that needs us to solve as early as possible.
Summary of the invention
The technical problem solving: conventional degradable laminated film plastics are prepared by treated starch conventionally, the tensile property of the degradable film material of preparation is poor, although decompose in the short period of time again, but due to its poor tensile property and poor resistance toheat, can not be applied under the condition that tensile property and resistance toheat are had relatively high expectations.
Technical scheme: for the problems referred to above, the invention discloses a kind of degradable composite film material, described degradable composite film material is made up of according to weight ratio following composition:
12～15 parts of hydroxypropylated starchs,
19～21 parts of Natvosols,
8～9 parts of 1,2-PDs,
2,000 4～9 parts of polypropylene glycols,
5～9 parts of lignocelluloses,
7～14 parts of acid fiber by polylactic.
Described a kind of degradable composite film material, preparation method comprises the steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, be increased to after assigned temperature, be that 12～15 parts, Natvosol are 19～21 parts, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 8～9 parts, polypropylene glycol 2000 are that 4～9 parts, lignocellulose are that 5～9 parts, acid fiber by polylactic are 7～14 parts, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, second segment is 185～190 DEG C, and the 3rd section is 195～200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
The preparation method of a kind of degradable composite film material as above, preferably includes following steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, be increased to after assigned temperature, be that 14～15 parts, Natvosol are 20～21 parts, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 8～9 parts, polypropylene glycol 2000 are that 7～9 parts, lignocellulose are that 5～7 parts, acid fiber by polylactic are 10～14 parts, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, second segment is 185～190 DEG C, and the 3rd section is 195～200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
Preferably, the preparation method of described a kind of degradable composite film material, while extruding described in preparation method, temperature first paragraph temperature is 180 DEG C.
Preferably, the preparation method of described a kind of degradable composite film material, while extruding described in preparation method, temperature second segment temperature is 185 DEG C.
Beneficial effect: the degradable composite film material that preparation method of the present invention prepares has higher tensile strength and high-temperature capability, measure the tensile strength of degradable film material of the present invention, its tensile strength is at 45.3MPa to 47.2MPa, by preparation demoted thin-film material in boiling water after boiling 3h without disrepair phenomenon, improve the performance of degradable film material, can be applicable under corresponding environment.
Embodiment
Embodiment 1
(1) temperature of reaction kettle is increased to 180 DEG C, be increased to after assigned temperature, be that 15kg, Natvosol are 19kg, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 9kg, polypropylene glycol 2000 are that 4kg, lignocellulose are that 9kg, acid fiber by polylactic are 7kg, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is 190 DEG C, and the 3rd section is 200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
Embodiment 2
(1) temperature of reaction kettle is increased to 160 DEG C, be increased to after assigned temperature, be that 14kg, Natvosol are 20kg, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 8kg, polypropylene glycol 2000 are that 7kg, lignocellulose are that 7kg, acid fiber by polylactic are 10kg, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 170 DEG C, and second segment is 185 DEG C, and the 3rd section is 195 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
Embodiment 3
(1) temperature of reaction kettle is increased to 170 DEG C, be increased to after assigned temperature, be that 12kg, Natvosol are 21kg, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 9kg, polypropylene glycol 2000 are that 9kg, lignocellulose are that 5kg, acid fiber by polylactic are 14kg, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is 185 DEG C, and the 3rd section is 200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
The tensile strength of having measured the degradable composite film material of embodiment 1 to 3, the tensile strength of the degradable film material of embodiment 1 to 3 is respectively 45.9MPa, 45.3MPa, 47.2MPa.
By the degradable composite film material of embodiment 1 to 3 in boiling water after boiling 3h the film of embodiment 1 to 3 be all occur disrepair phenomenon, there is higher high-temperature capability.
Claims (5)
1. a degradable composite film material, is characterized in that described degradable composite film material is made up of according to weight ratio following composition:
12～15 parts of hydroxypropylated starchs,
19～21 parts of Natvosols,
8～9 parts of 1,2-PDs,
2,000 4～9 parts of polypropylene glycols,
5～9 parts of lignocelluloses,
7～14 parts of acid fiber by polylactic.
2. the preparation method of a kind of degradable composite film material according to claim 1, is characterized in that the preparation method of described degradable composite film material comprises the steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, be increased to after assigned temperature, be that 12～15 parts, Natvosol are 19～21 parts, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 8～9 parts, polypropylene glycol 2000 are that 4～9 parts, lignocellulose are that 5～9 parts, acid fiber by polylactic are 7～14 parts, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, between Second Region, be 185～190 DEG C, the 3rd interval is 195～200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
3. the preparation method of a kind of degradable composite film material according to claim 2, is characterized in that the preparation method of described degradable composite film material comprises the steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, be increased to after assigned temperature, be that 14～15 parts, Natvosol are 20～21 parts, 1 to dropping into hydroxypropylated starch in reactor, 2-propylene glycol is that 8～9 parts, polypropylene glycol 2000 are that 7～9 parts, lignocellulose are that 5～7 parts, acid fiber by polylactic are 10～14 parts, drop into hydroxypropylated starch, Natvosol, 1, after 2-propylene glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, to the raw material stirring processing in reactor, all the components is stirred to melting even;
(2) the degradable composite material preparation of the melting in reactor is become to film, the technique that is prepared into film is as follows: melting degradation material is carried out to twin screw extrusion process, when extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, second segment is 185～190 DEG C, and the 3rd section is 195～200 DEG C;
(3) after twin screw extruding, thin-film material is suppressed, drawing and forming, prepare described composite film material.
4. the preparation method of a kind of degradable composite film material according to claim 2, while it is characterized in that pushing described in preparation method, temperature first paragraph temperature is 180 DEG C.
5. the preparation method of a kind of degradable composite film material according to claim 2, while it is characterized in that pushing described in preparation method, temperature second segment temperature is 185 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056422A (en) * | 2018-08-06 | 2018-12-21 | 枣庄市天龙纸业有限公司 | A kind of degradable environmental protection package paper and preparation method thereof |
| CN111848998A (en) * | 2020-08-17 | 2020-10-30 | 杭州励郝新材料有限公司 | Environment-friendly degradable cotton cellulose plastic film and preparation method and application thereof |
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| WO2007142221A1 (en) * | 2006-06-06 | 2007-12-13 | Matsutani Chemical Industry Co., Ltd. | Film-like soap |
| CN101906220B (en) * | 2010-07-16 | 2012-01-04 | 山东农业大学 | Starch-based edible film and preparation method thereof |
| CN103265730A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | Degradable film containing starch and preparation method of degradable film |
| CN103602045A (en) * | 2013-10-29 | 2014-02-26 | 昆山好利达包装有限公司 | Biodegradable packaging material and preparation method thereof |
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2014
- 2014-06-23 CN CN201410282044.8A patent/CN104140567B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007142221A1 (en) * | 2006-06-06 | 2007-12-13 | Matsutani Chemical Industry Co., Ltd. | Film-like soap |
| CN101906220B (en) * | 2010-07-16 | 2012-01-04 | 山东农业大学 | Starch-based edible film and preparation method thereof |
| CN103265730A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | Degradable film containing starch and preparation method of degradable film |
| CN103602045A (en) * | 2013-10-29 | 2014-02-26 | 昆山好利达包装有限公司 | Biodegradable packaging material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109056422A (en) * | 2018-08-06 | 2018-12-21 | 枣庄市天龙纸业有限公司 | A kind of degradable environmental protection package paper and preparation method thereof |
| CN111848998A (en) * | 2020-08-17 | 2020-10-30 | 杭州励郝新材料有限公司 | Environment-friendly degradable cotton cellulose plastic film and preparation method and application thereof |
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| CN104140567B (en) | 2016-08-24 |
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Inventor after: Hou Lihong Inventor before: Zhang Taiyuan |
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Effective date of registration: 20160712 Address after: Zhanjiang City Development Zone, Guangdong province 524000 Le Bin Road No. 3 Applicant after: Yuncheng, Zhanjiang Su Ye 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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Effective date of registration: 20190121 Address after: 529727 No. 6 Fengsheng Road, Heshan Industrial City, Jiangmen City, Guangdong Province Patentee after: Heshan Yuncheng New Materials Co., Ltd. Address before: 524000 Lebin Road, Zhanjiang Development Zone, Guangdong Province Patentee before: Yuncheng, Zhanjiang Su Ye Co., Ltd |
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