CN103319828B - preparation method of biodegradable plastic - Google Patents
preparation method of biodegradable plastic Download PDFInfo
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- CN103319828B CN103319828B CN201310229563.3A CN201310229563A CN103319828B CN 103319828 B CN103319828 B CN 103319828B CN 201310229563 A CN201310229563 A CN 201310229563A CN 103319828 B CN103319828 B CN 103319828B
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Abstract
The invention discloses a preparation method of a biodegradable plastic, and the steps are as following: 1. adding 30 parts of acrylic resin and 45-60 parts of vegetable fibre starch into a high speed mixer for fully mixing, adding 10-15 parts of composite protein, 3 pars of compatilizer and 1 part of high-molecular chelating agent in order when the temperature is heated to 100 DEG C, and then heating the resultant to 120 DEG C for 45 min; 2. heating the temperature in the mixer to 150 DEG C and adding 0.5 part of flexibilizer, 0.01 part of modifier and 8 parts of degradation promoter for 30 min, then gradually cooling the resultant to room temperature for 2 h; 3. sending the standing material to a double screw extruder at the temperature between 155 and 175 DEG C. In the invention, the plastic is biodegradable and environment-protective, the application of plastics is expanded and the practicality is wide.
Description
Technical field
The present invention relates to a kind of preparation method of biodegradable plastic, belong to macromolecule chemical industry technical field.
Background technology
Plastics because its quality is light, intensity is high, the advantage such as stable chemical performance and cheapness and broad development in a lot of fields.Plastics industry is very fast, and does not still have appropriate treatment process with the plastics crossed, and plastic garbage just brings serious pollution to physical environment.Non-degradable plastics mostly by Low Density Polyethylene (LDPE) and linear low density polyethylene (LLDPE) be secondly high density polyethylene(HDPE) (HDPE), polypropylene (PP), polystyrene (PS) and polyvinyl chloride (PVC) develop generate.And these plastics are general all finally disposes as solid waste, cause and form the pollutents such as acid rain in atmosphere, our life is worked the mischief.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, provides a kind of protection of the environment, adapts to the preparation method of social development, practical biodegradable plastic.
Technical scheme: the preparation method of a kind of biodegradable plastic of the present invention, carry out as follows:
(1) 30 parts of acrylic resins and 45 ~ 60 parts of plant fiber starch are joined in high-speed mixer, after mixing fully, when being warming up to 100 DEG C, add 10 ~ 15 parts of complex proteinss, 3 parts of compatilizers, 1 part of polymer integrated agent successively, continue to be uniformly mixed, and be warming up to 120 DEG C, keep 45 minutes;
(2) after mixing built-in temperature being increased to 150 DEG C, add 0.5 part of toughner, 0.01 part of properties-correcting agent and 8 parts of degradation of promoter, keep after 30 minutes, be cooled to room temperature gradually, and leave standstill 2 hours;
(3) material will be left standstill and send into twin screw extruder, at 155 DEG C at 175 DEG C, extrude the preparation method of obtained biodegradable plastic.
Compatilizer described in step (1) is modified by maleic acid anhydride graft HDPE multipolymer.
Described in step (2), toughner is acrylonitrile-butadiene-styrene copolymer.
Described in step (2), properties-correcting agent is cellulosetri-acetate fat.
Described in step (1), polymer integrated agent is amido silicon oil.
Beneficial effect: the preparation method of a kind of biodegradable plastic provided by the invention; by adding plant fiber starch in acrylic resin; and in preparation process; increase polymer integrated agent and degradation of promoter; make plastics biodegradable; protection of the environment, the application of expansion plastics, has practicality widely.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
embodiment 1:the invention provides a kind of biodegradable plastic, the parts by weight of its component are: acrylic resin: 30 parts; Plant fiber starch: 45 parts; Complex proteins: 10 parts; Modified by maleic acid anhydride graft HDPE multipolymer: 3 parts; Acrylonitrile-butadiene-styrene copolymer: 0.5 part; Cellulosetri-acetate fat: 0.01 part; Amido silicon oil: 1 part; Degradation of promoter: 8 parts.
The preparation method of above-mentioned biodegradable plastic, carries out as follows;
(1) 30 parts of acrylic resins and 45 parts of plant fiber starch are joined in high-speed mixer, after mixing fully, when being warming up to 100 DEG C, add 10 parts of complex proteinss, 3 parts of modified by maleic acid anhydride graft HDPE multipolymers, 1 part of amido silicon oil successively, continue to be uniformly mixed, and be warming up to 120 DEG C, keep 45 minutes;
(2) after mixing built-in temperature being increased to 150 DEG C, add 0.5 part of acrylonitrile-butadiene-styrene copolymer, 0.01 part of cellulosetri-acetate fat and 8 parts of degradation of promoter, keep after 30 minutes, be cooled to room temperature gradually, and leave standstill 2 hours;
(3) material will be left standstill and send into twin screw extruder, at 155 DEG C at 175 DEG C, extrude the preparation method of obtained biodegradable plastic.
embodiment 2:the invention provides a kind of biodegradable plastic, the parts by weight of its component are: acrylic resin: 30 parts; Plant fiber starch: 52 parts; Complex proteins: 12 parts; Modified by maleic acid anhydride graft HDPE multipolymer: 3 parts; Acrylonitrile-butadiene-styrene copolymer: 0.5 part; Cellulosetri-acetate fat: 0.01 part; Amido silicon oil: 1 part; Degradation of promoter: 8 parts.
The preparation method of above-mentioned biodegradable plastic, carries out as follows;
(1) 30 parts of acrylic resins and 52 parts of plant fiber starch are joined in high-speed mixer, after mixing fully, when being warming up to 100 DEG C, add 12 parts of complex proteinss, 3 parts of modified by maleic acid anhydride graft HDPE multipolymers, 1 part of amido silicon oil successively, continue to be uniformly mixed, and be warming up to 120 DEG C, keep 45 minutes;
(2) after mixing built-in temperature being increased to 150 DEG C, add 0.5 part of acrylonitrile-butadiene-styrene copolymer, 0.01 part of cellulosetri-acetate fat and 8 parts of degradation of promoter, keep after 30 minutes, be cooled to room temperature gradually, and leave standstill 2 hours;
(3) material will be left standstill and send into twin screw extruder, at 155 DEG C at 175 DEG C, extrude the preparation method of obtained biodegradable plastic.
embodiment 3:the invention provides a kind of biodegradable plastic, the parts by weight of its component are: acrylic resin: 30 parts; Plant fiber starch: 60 parts; Complex proteins: 15 parts; Modified by maleic acid anhydride graft HDPE multipolymer: 3 parts; Acrylonitrile-butadiene-styrene copolymer: 0.5 part; Cellulosetri-acetate fat: 0.01 part; Amido silicon oil: 1 part; Degradation of promoter: 8 parts.
The preparation method of above-mentioned biodegradable plastic, carries out as follows;
(1) 30 parts of acrylic resins and 60 parts of plant fiber starch are joined in high-speed mixer, after mixing fully, when being warming up to 100 DEG C, add 15 parts of complex proteinss, 3 parts of modified by maleic acid anhydride graft HDPE multipolymers, 1 part of amido silicon oil successively, continue to be uniformly mixed, and be warming up to 120 DEG C, keep 45 minutes;
(2) after mixing built-in temperature being increased to 150 DEG C, add 0.5 part of acrylonitrile-butadiene-styrene copolymer, 0.01 part of cellulosetri-acetate fat and 8 parts of degradation of promoter, keep after 30 minutes, be cooled to room temperature gradually, and leave standstill 2 hours;
(3) material will be left standstill and send into twin screw extruder, at 155 DEG C at 175 DEG C, extrude the preparation method of obtained biodegradable plastic.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (5)
1. the preparation method of a biodegradable plastic, it is characterized in that, carry out as follows: 30 parts of acrylic resins and 45 ~ 60 parts of plant fiber starch join in high-speed mixer by (1), after mixing fully, when being warming up to 100 DEG C, adding 10 ~ 15 parts of complex proteinss, 3 parts of compatilizers, 1 part of polymer integrated agent successively, continue to be uniformly mixed, and be warming up to 120 DEG C, keep 45 minutes; (2) after mixing built-in temperature being increased to 150 DEG C, add 0.5 part of toughner, 0.01 part of properties-correcting agent and 8 parts of degradation of promoter, keep after 30 minutes, be cooled to room temperature gradually, and leave standstill 2 hours; (3) material will be left standstill and send into twin screw extruder, at 155 DEG C at 175 DEG C, extrude obtained biodegradable plastic.
2. the preparation method of a kind of biodegradable plastic according to claim 1, is characterized in that, compatilizer described in step (1) is modified by maleic acid anhydride graft HDPE multipolymer.
3. the preparation method of a kind of biodegradable plastic according to claim 1, is characterized in that, described in step (2), toughner is acrylonitrile-butadiene-styrene copolymer.
4. the preparation method of a kind of biodegradable plastic according to claim 1, is characterized in that, described in step (2), properties-correcting agent is cellulose triacetate.
5. the preparation method of a kind of biodegradable plastic according to claim 1, is characterized in that, described in step (1), polymer integrated agent is amido silicon oil.
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| CN201310229563.3A CN103319828B (en) | 2013-06-09 | 2013-06-09 | preparation method of biodegradable plastic |
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| CN201310229563.3A CN103319828B (en) | 2013-06-09 | 2013-06-09 | preparation method of biodegradable plastic |
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| CN103319828A CN103319828A (en) | 2013-09-25 |
| CN103319828B true CN103319828B (en) | 2015-07-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103497360A (en) * | 2013-09-25 | 2014-01-08 | 吴江市董鑫塑料包装厂 | Biodegradable plastic |
| CN105273239A (en) * | 2015-11-12 | 2016-01-27 | 江南大学 | Cellulose diacetate composite material and preparation method thereof |
| CN109608835B (en) * | 2018-12-06 | 2020-11-13 | 江南大学 | Preparation method of graft-modified wool keratin-toughened PBS (Poly Butylene succinate) bio-based composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490339A (en) * | 1990-08-03 | 1992-03-24 | Nippon Synthetic Chem Ind Co Ltd:The | Biodegradable laminated molding |
| EP1702950A2 (en) * | 2005-03-15 | 2006-09-20 | Ming-Tung Chen | Biodegradable plastic composition and producing method thereof |
| CN101880412A (en) * | 2010-06-22 | 2010-11-10 | 任伟 | Full-degradable injection molding composite material and preparation method thereof |
| CN102796286A (en) * | 2012-08-28 | 2012-11-28 | 广东益德环保科技有限公司 | Full-biodegradable material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490339A (en) * | 1990-08-03 | 1992-03-24 | Nippon Synthetic Chem Ind Co Ltd:The | Biodegradable laminated molding |
| EP1702950A2 (en) * | 2005-03-15 | 2006-09-20 | Ming-Tung Chen | Biodegradable plastic composition and producing method thereof |
| CN101880412A (en) * | 2010-06-22 | 2010-11-10 | 任伟 | Full-degradable injection molding composite material and preparation method thereof |
| CN102796286A (en) * | 2012-08-28 | 2012-11-28 | 广东益德环保科技有限公司 | Full-biodegradable material and preparation method thereof |
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Owner name: SUZHOU JINGYU NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: WUJIANG DONGXIN PLASTIC PACKAGE FACTORY Effective date: 20150528 |
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Effective date of registration: 20150528 Address after: Wujiang District of Suzhou City, Jiangsu province 215200 Song Ling Zhen Wu with the roadside Applicant after: Suzhou Jing Yu novel material company limited Address before: Wujiang City, Suzhou City, Jiangsu province 215213 Fen Hu Zhen Li Hua Cun Li Applicant before: Wujiang Dongxin Plastic Packaging Factory |
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Effective date of registration: 20190404 Address after: 2151 No. 6 Qinghua Road, Huguan Industrial Park, Suzhou High-tech Zone, Jiangsu Province Patentee after: Suzhou wide road Mold Machinery Co., Ltd. Address before: 215200 Jiangsu province Suzhou Wujiang District Songling town Lao Wu side road. Patentee before: Suzhou Jing Yu novel material company limited |