CN104140567B - A kind of degradable composite film material and preparation method thereof - Google Patents
A kind of degradable composite film material and preparation method thereof Download PDFInfo
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- CN104140567B CN104140567B CN201410282044.8A CN201410282044A CN104140567B CN 104140567 B CN104140567 B CN 104140567B CN 201410282044 A CN201410282044 A CN 201410282044A CN 104140567 B CN104140567 B CN 104140567B
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Abstract
The present invention relates to a kind of degradable composite film material and preparation method thereof, degradable composite film material is made up of according to weight ratio following component: hydroxypropyl starch is 12～15 parts, hydroxyethyl cellulose is 19～21 parts, 1,2 propylene glycol are 8～9 parts, polypropylene glycol 2000 is 4～9 parts, lignocellulose is 5～9 parts, acid fiber by polylactic is 7～14 parts.The preparation method of the degradable composite film material of the present invention includes heating for dissolving, screw extruding, drawing molding.The degradable composite film material prepared has the best tensile property and resistant to cook performance, improves the ruggedness of composite film material on the basis of degradable.
Description
Technical field
The invention belongs to thin film materials art, relate to a kind of composite film material and preparation method thereof, particularly relate to one
Plant degradable composite film material and preparation method thereof.
Background technology
Along with increasing that plastic membrane product uses, to bringing substantial amounts of pollution in natural environment, conventional plastics are thin
Membrane product, the plastic sheeting that such as polypropylene, polrvinyl chloride, polyethylene etc. are made under natural environment cannot natural degradation,
After placing a lot of year, however it remains in natural environment, these plastic sheetings that can not degrade add the pollution of environment.
Along with all trades and professions reinforcement to environmental consciousness, plastic film of can demoting is gradually at the Developing Tendency becoming a kind of main flow
Gesture, along with deepening continuously of scientific research, various novel demoted plastic films produce the most therewith, and degradable plastic film is usual
Its tensile property and heat resistance are poor, how to improve their hot strength and heat-resisting intensity, are to need us to solve as early as possible
A problem certainly.
Summary of the invention
Solve the technical problem that: conventional degradable laminated film plastics are generally prepared by modified starch, preparation
The tensile property of degradable film material poor, although can decompose in the short time again, but due to its poor draftability
Can and poor heat resistance, it is impossible to be applied to tensile property and heat resistance are required higher under conditions of.
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 component:
Hydroxypropyl starch 12～15 parts,
Hydroxyethyl cellulose 19～21 parts,
1,2-propylene glycol 8～9 parts,
Polypropylene glycol 2,000 4～9 parts,
Lignocellulose 5～9 parts,
Acid fiber by polylactic 7～14 parts.
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, after being increased to assigned temperature, in reactor, puts into hydroxypropyl
Starch is 12～15 parts, hydroxyethyl cellulose is 19～21 parts, 1,2-propylene glycol is 8～9 parts, polypropylene glycol 2000 is 4～9
Part, lignocellulose be 5～9 parts, acid fiber by polylactic be 7～14 parts, put into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-third
After glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, the raw material stirring in reactor is processed, by all the components
Stirring is to melted uniform；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows:
Melted degradation material is carried out twin-screw extruder process, and during extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, and second
Section is 185～190 DEG C, and the 3rd section is 195～200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described laminated film material
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, after being increased to assigned temperature, in reactor, puts into hydroxypropyl
Starch is 14～15 parts, hydroxyethyl cellulose is 20～21 parts, 1,2-propylene glycol is 8～9 parts, polypropylene glycol 2000 is 7～9
Part, lignocellulose be 5～7 parts, acid fiber by polylactic be 10～14 parts, put into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-third
After glycol, polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, the raw material stirring in reactor is processed, by all the components
Stirring is to melted uniform；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows:
Melted degradation material is carried out twin-screw extruder process, and during extruding, temperature is divided into three sections: first paragraph is 170～180 DEG C, and second
Section is 185～190 DEG C, and the 3rd section is 195～200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described laminated film material
Material.
Preferably, the preparation method of described a kind of degradable composite film material, temperature during extruding described in preparation method
Degree first paragraph temperature is 180 DEG C.
Preferably, the preparation method of described a kind of degradable composite film material, temperature during extruding described in preparation method
Degree second segment temperature is 185 DEG C.
Beneficial effect: it is strong that the degradable composite film material that the preparation method of the present invention prepares has higher stretching
Degree and high-temperature capability, determine the hot strength of the degradable film material of the present invention, and its hot strength is at 45.3MPa extremely
47.2MPa, by preparation demoted thin-film material in boiling water after steaming and decocting 3h without disrepair phenomenon, improve degradable film material
Performance, can be applicable to corresponding in the environment of.
Detailed description of the invention
Embodiment 1
(1) temperature of reaction kettle is increased to 180 DEG C, after being increased to assigned temperature, in reactor, puts into hydroxypropyl starch
For 15kg, hydroxyethyl cellulose be 19kg, 1,2-propylene glycol be 9kg, polypropylene glycol 2000 be 4kg, lignocellulose be 9kg,
Acid fiber by polylactic is 7kg, puts into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-PD, polypropylene glycol 2000, wood fibre
After element, acid fiber by polylactic, the raw material stirring in reactor is processed, by all the components stirring to melting uniformly；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows:
Melted degradation material is carried out twin-screw extruder process, and during extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is
190 DEG C, the 3rd section is 200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described laminated film material
Material.
Embodiment 2
(1) temperature of reaction kettle is increased to 160 DEG C, after being increased to assigned temperature, in reactor, puts into hydroxypropyl starch
For 14kg, hydroxyethyl cellulose be 20kg, 1,2-propylene glycol be 8kg, polypropylene glycol 2000 be 7kg, lignocellulose be 7kg,
Acid fiber by polylactic is 10kg, puts into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-PD, polypropylene glycol 2000, wood fibre
After element, acid fiber by polylactic, the raw material stirring in reactor is processed, by all the components stirring to melting uniformly；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows:
Melted degradation material is carried out twin-screw extruder process, and during extruding, temperature is divided into three sections: first paragraph is 170 DEG C, and second segment is
185 DEG C, the 3rd section is 195 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described laminated film material
Material.
Embodiment 3
(1) temperature of reaction kettle is increased to 170 DEG C, after being increased to assigned temperature, in reactor, puts into hydroxypropyl starch
For 12kg, hydroxyethyl cellulose be 21kg, 1,2-propylene glycol be 9kg, polypropylene glycol 2000 be 9kg, lignocellulose be 5kg,
Acid fiber by polylactic is 14kg, puts into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-PD, polypropylene glycol 2000, wood fibre
After element, acid fiber by polylactic, the raw material stirring in reactor is processed, by all the components stirring to melting uniformly；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows:
Melted degradation material is carried out twin-screw extruder process, and during extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is
185 DEG C, the 3rd section is 200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described laminated film material
Material.
Determine the hot strength of the degradable composite film material of embodiment 1 to 3, the degradable films of embodiment 1 to 3
The hot strength of material is respectively 45.9MPa, 45.3MPa, 47.2MPa.
By the degradable composite film material of embodiment 1 to 3 in boiling water after steaming and decocting 3h the thin film of embodiment 1 to 3 be all
There is disrepair phenomenon, there is higher high-temperature capability.
Claims (2)
1. a degradable composite film material, it is characterised in that described degradable composite film material by following component according to
Weight portion forms:
Hydroxypropyl starch 12～15 parts,
Hydroxyethyl cellulose 19～21 parts,
1,2-propylene glycol 8～9 parts,
Polypropylene glycol 2,000 4～9 parts,
Lignocellulose 5～9 parts,
Acid fiber by polylactic 7～14 parts；
The preparation method of described a kind of degradable composite film material, comprises the steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, after being increased to assigned temperature, in reactor, puts into hydroxypropyl starch
Be 12～15 parts, hydroxyethyl cellulose be 19～21 parts, 1,2-propylene glycol be 8～9 parts, polypropylene glycol 2000 be 4～9 parts, wood
Matter cellulose is 5～9 parts, acid fiber by polylactic is 7～14 parts, put into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-PD,
After polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, the raw material stirring in reactor is processed, all the components is stirred
To melted uniform；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows: will be molten
Melting degradable composite material and carry out twin-screw extruder process, during extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is
185 DEG C, the 3rd section is 195～200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described degradable laminated film material
Material.
A kind of degradable composite film material the most according to claim 1, it is characterised in that described degradable THIN COMPOSITE
The preparation method of membrane material comprises the steps:
(1) temperature of reaction kettle is increased to 160～180 DEG C, after being increased to assigned temperature, in reactor, puts into hydroxypropyl starch
Be 14～15 parts, hydroxyethyl cellulose be 20～21 parts, 1,2-propylene glycol be 8～9 parts, polypropylene glycol 2000 be 7～9 parts, wood
Matter cellulose is 5～7 parts, acid fiber by polylactic is 10～14 parts, put into hydroxypropyl starch, hydroxyethyl cellulose, 1,2-PD,
After polypropylene glycol 2000, lignocellulose, acid fiber by polylactic, the raw material stirring in reactor is processed, all the components is stirred
To melted uniform；
(2) the melted degradable composite material preparation in reactor being become thin film, the technique being prepared as thin film is as follows: will be molten
Melting degradable composite material and carry out twin-screw extruder process, during extruding, temperature is divided into three sections: first paragraph is 180 DEG C, and second segment is
185 DEG C, the 3rd section is 195～200 DEG C；
(3) carry out thin-film material after twin-screw extruder suppressing, drawing and forming, prepare described degradable laminated film material
Material.
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| CN201410282044.8A CN104140567B (en) | 2014-06-23 | 2014-06-23 | A kind of degradable composite film material and preparation method thereof |
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| CN104140567B true CN104140567B (en) | 2016-08-24 |
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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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5099736B2 (en) * | 2006-06-06 | 2012-12-19 | 松谷化学工業株式会社 | Film soap |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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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