CN104893000A - Agar/polyvinyl alcohol full-degradable plastic film and preparation method thereof - Google Patents
Agar/polyvinyl alcohol full-degradable plastic film and preparation method thereof Download PDFInfo
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- CN104893000A CN104893000A CN201510262349.7A CN201510262349A CN104893000A CN 104893000 A CN104893000 A CN 104893000A CN 201510262349 A CN201510262349 A CN 201510262349A CN 104893000 A CN104893000 A CN 104893000A
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Abstract
The invention discloses an agar/polyvinyl alcohol full-degradable plastic film. The invention is characterized in that the plastic film is prepared from the following raw materials in parts by weight: 50-70 parts of cassava starch, 3-5 parts of urea, 3-5 parts of glutinous rice flour, 3-5 parts of agar, 1-2 parts of disodium edetate, 10-20 parts of polyvinyl alcohol, 10-20 parts of glycerol, 1-2 parts of silane coupling agent KH-550, 5-10 parts of maleic anhydride and 2-4 parts of polyglycerol fatty acid ester. The full-degradable plastic film has the advantages of favorable uniformity, high tensile property, high flexibility, high strength, favorable water resistance, wide raw material sources, low price, environment friendliness, high degradability and high practicality.
Description
Technical field
The present invention relates to wrapping material field, be specifically related to a kind of agar/polyvinyl alcohol Based Full-degradable Plastics Film and preparation method thereof.
Background technology
Plastics are widely used in the every field of economy, life, as shopping bag, refuse bag, plastic cup, disposable lunch-box in life, and the plastic sheeting for farm use etc. in production.But due to plastics be difficult to degraded, be the source of " white pollution ", cause very important negative impact to physical environment.Along with the raising of the serious and environmental protection consciousness polluted, the biodegradable plastic of product has been subjected to and has paid close attention to widely as an alternative, becomes one of effective ways solving the problem of environmental pollution that plastic refuse causes.
PVA is the polyhydroxylated polymer obtained by Vinyl Acetate Copolymer Ester hydrolysis, have in wet environment under bacterium existent condition and can decompose completely in 6 months, therefore PVA degradative plastics system has characteristic that can be degradable, is real environmental protection completely degradable plastic.But PVA material and base-material consistency poor, be separated serious, this characteristic causes PVA plastics to be difficult to processing, and Mechanical Properties of Products is also poor.Therefore, need the consistency improving PVA and base-material, improve processing characteristics and the mechanical property of PVA plastics, thus improve the quality of products.
Summary of the invention
The object of this invention is to provide a kind of agar/polyvinyl alcohol Based Full-degradable Plastics Film, processing characteristics and good mechanical properties, snappiness is high, is easy to degraded, environmental protection.
The present invention is achieved by the following technical solutions:
A kind of agar/polyvinyl alcohol Based Full-degradable Plastics Film, it is obtained by the raw material of following weight parts:
Tapioca (flour) 50-70, urea 3-5, sticky rice flour 3-5, agar 3-5, disodium ethylene diamine tetraacetate 1-2, polyvinyl alcohol 10-20, glycerine 10-20, silane resin acceptor kh-550 1-2, maleic anhydride 5-10, polyglycerol fatty acid ester 2-4.
A preparation method for agar/polyvinyl alcohol Based Full-degradable Plastics Film, it comprises the following steps:
(1) add water by solid-liquid weight ratio 1:1-1:2 after tapioca (flour), sticky rice flour being mixed with urea, 60-80 DEG C is stirred 0.5-1h, obtains mixed slurry;
(2) mix with water by solid-liquid weight ratio 1:40-1:50 after being mixed with disodium ethylene diamine tetraacetate by agar, 85-95 DEG C is stirred 2-4h, obtains mixed solution;
(3) mixed slurry in (1) and the mixed solution in (2) are jointly added reactor and stir 1-2h in 80-90 DEG C, with 5%NaOH solution by pH regulator to 8.5-9.0, then add maleic anhydride at same temperature, keep pH stirring reaction 4-8h between 8.5-9.0, then pH be adjusted to neutrality and filter, obtaining modified base material;
(4) first 800-1200r/min after glycerine and silane resin acceptor kh-550 mixing is stirred 10-20min, then add polyvinyl alcohol 100-120 DEG C and stir 15-30min, finally add the modified base material in (3) and polyglycerol fatty acid ester high-speed mixing 10-20min, add extruding pelletization under twin screw extruder 120-140 DEG C condition, obtain film pellet;
(5) the film pellet in (4) is formed plastic film by inflation film manufacturing machine blowing, finally get product after cutting, bundling, packaging.
Advantage of the present invention is:
In tapioca (flour), add sticky rice flour and agar carry out modification and form base-material, and improved the interface compatibility of base-material and polyvinyl alcohol by maleic anhydride modified base-material, silane coupler modified polyvinyl alcohol, thus improve processing characteristics and the mechanical property of matrix material; And composite in conjunction with raw materials such as polyglycerol fatty acid esters, make the film uniformity that obtains good, tensile property is high, snappiness good, intensity is large, and water tolerance is better, and raw material sources are extensive simultaneously, and cheap, environmental protection, degradation property is good, practical.
Embodiment
Non-limiting examples of the present invention is as follows:
A kind of agar/polyvinyl alcohol Based Full-degradable Plastics Film, is prepared from by the component raw material of following weight (kg):
Tapioca (flour) 60, urea 4, sticky rice flour 4, agar 4, disodium ethylene diamine tetraacetate 1.5, polyvinyl alcohol 15, glycerine 15, silane resin acceptor kh-550 1.5, maleic anhydride 8, polyglycerol fatty acid ester 3.
The preparation method of agar/polyvinyl alcohol Based Full-degradable Plastics Film comprises the following steps:
(1) add water by solid-liquid weight ratio 1:1 after tapioca (flour), sticky rice flour being mixed with urea, 80 DEG C are stirred 0.5h, obtain mixed slurry;
(2) mix with water by solid-liquid weight ratio 1:40 after being mixed with disodium ethylene diamine tetraacetate by agar, 85 DEG C are stirred 2h, obtain mixed solution;
(3) mixed slurry in (1) and the mixed solution in (2) are jointly added reactor and stir 1h in 90 DEG C, with 5%NaOH solution by pH regulator to 8.5-9.0, then add maleic anhydride at same temperature, keep pH stirring reaction 6h between 8.5-9.0, then pH be adjusted to neutrality and filter, obtaining modified base material;
(4) first 1200r/min after glycerine and silane resin acceptor kh-550 mixing is stirred 10min, then add polyvinyl alcohol 100 DEG C and stir 15min, finally add the modified base material in (3) and polyglycerol fatty acid ester high-speed mixing 10min, add extruding pelletization under twin screw extruder 120-140 DEG C condition, obtain film pellet;
(5) the film pellet in (4) is formed plastic film by inflation film manufacturing machine blowing, finally get product after cutting, bundling, packaging.
Carry out performance test to above-mentioned obtained Based Full-degradable Plastics Film, test result is as follows:
Tensile strength (MPa): 54.8;
Elongation at break: 47.5%;
Water-intake rate: 32.4%;
100d degradation rate: 30.1%.
Claims (2)
1. agar/polyvinyl alcohol Based Full-degradable Plastics Film, is characterized in that, it is obtained by the raw material of following weight parts:
Tapioca (flour) 50-70, urea 3-5, sticky rice flour 3-5, agar 3-5, disodium ethylene diamine tetraacetate 1-2, polyvinyl alcohol 10-20, glycerine 10-20, silane resin acceptor kh-550 1-2, maleic anhydride 5-10, polyglycerol fatty acid ester 2-4.
2. the preparation method of a kind of agar/polyvinyl alcohol Based Full-degradable Plastics Film according to claim 1, is characterized in that, comprise the following steps:
(1) add water by solid-liquid weight ratio 1:1-1:2 after tapioca (flour), sticky rice flour being mixed with urea, 60-80 DEG C is stirred 0.5-1h, obtains mixed slurry;
(2) mix with water by solid-liquid weight ratio 1:40-1:50 after being mixed with disodium ethylene diamine tetraacetate by agar, 85-95 DEG C is stirred 2-4h, obtains mixed solution;
(3) mixed slurry in (1) and the mixed solution in (2) are jointly added reactor and stir 1-2h in 80-90 DEG C, with 5%NaOH solution by pH regulator to 8.5-9.0, then add maleic anhydride at same temperature, keep pH stirring reaction 4-8h between 8.5-9.0, then pH be adjusted to neutrality and filter, obtaining modified base material;
(4) first 800-1200r/min after glycerine and silane resin acceptor kh-550 mixing is stirred 10-20min, then add polyvinyl alcohol 100-120 DEG C and stir 15-30min, finally add the modified base material in (3) and polyglycerol fatty acid ester high-speed mixing 10-20min, add extruding pelletization under twin screw extruder 120-140 DEG C condition, obtain film pellet;
(5) the film pellet in (4) is formed plastic film by inflation film manufacturing machine blowing, finally get product after cutting, bundling, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510262349.7A CN104893000A (en) | 2015-05-22 | 2015-05-22 | Agar/polyvinyl alcohol full-degradable plastic film and preparation method thereof |
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| CN201510262349.7A CN104893000A (en) | 2015-05-22 | 2015-05-22 | Agar/polyvinyl alcohol full-degradable plastic film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504328A (en) * | 2018-03-29 | 2018-09-07 | 重庆渝茁科技有限公司 | Building heat preservation heat-barrier material hydrophober |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181889A (en) * | 1997-11-28 | 1998-05-20 | 毛春生 | Edible protein film and its preparation |
| CN1389517A (en) * | 2001-06-05 | 2003-01-08 | 段若新 | Plant fiber material product capable of being biodegraded completely and its making process |
| CN101146457A (en) * | 2004-09-30 | 2008-03-19 | 好时公司 | Sealed, edible film strip packets and methods of making and using them |
| CN103265731A (en) * | 2013-06-05 | 2013-08-28 | 陈峰磊 | Degradable thermoplastic starch material and preparation method thereof |
| CN103289131A (en) * | 2013-05-22 | 2013-09-11 | 南京财经大学 | Preparation method for starch-polyvinyl alcohol biologically-cross-linked nano-composite plastic film |
| CN103923441A (en) * | 2014-04-03 | 2014-07-16 | 深圳市世银红筝信息科技有限公司 | Environment-friendly plastic capable of being fully decomposed |
| CN104109263A (en) * | 2014-06-30 | 2014-10-22 | 安徽巢湖南方膜业有限责任公司 | Starch-polyvinyl alcohol dual-degradationplastic film |
| CN104387620A (en) * | 2014-10-27 | 2015-03-04 | 安徽省科普产品工程研究中心有限责任公司 | Environment-friendly instant seasoning packet and making method thereof |
-
2015
- 2015-05-22 CN CN201510262349.7A patent/CN104893000A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181889A (en) * | 1997-11-28 | 1998-05-20 | 毛春生 | Edible protein film and its preparation |
| CN1389517A (en) * | 2001-06-05 | 2003-01-08 | 段若新 | Plant fiber material product capable of being biodegraded completely and its making process |
| CN101146457A (en) * | 2004-09-30 | 2008-03-19 | 好时公司 | Sealed, edible film strip packets and methods of making and using them |
| CN103289131A (en) * | 2013-05-22 | 2013-09-11 | 南京财经大学 | Preparation method for starch-polyvinyl alcohol biologically-cross-linked nano-composite plastic film |
| CN103265731A (en) * | 2013-06-05 | 2013-08-28 | 陈峰磊 | Degradable thermoplastic starch material and preparation method thereof |
| CN103923441A (en) * | 2014-04-03 | 2014-07-16 | 深圳市世银红筝信息科技有限公司 | Environment-friendly plastic capable of being fully decomposed |
| CN104109263A (en) * | 2014-06-30 | 2014-10-22 | 安徽巢湖南方膜业有限责任公司 | Starch-polyvinyl alcohol dual-degradationplastic film |
| CN104387620A (en) * | 2014-10-27 | 2015-03-04 | 安徽省科普产品工程研究中心有限责任公司 | Environment-friendly instant seasoning packet and making method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504328A (en) * | 2018-03-29 | 2018-09-07 | 重庆渝茁科技有限公司 | Building heat preservation heat-barrier material hydrophober |
| CN108504328B (en) * | 2018-03-29 | 2020-11-03 | 重庆渝茁科技有限公司 | Water repellent for building heat-insulating material |
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