CN103627033B - A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof - Google Patents
A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof Download PDFInfo
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- CN103627033B CN103627033B CN201310546755.7A CN201310546755A CN103627033B CN 103627033 B CN103627033 B CN 103627033B CN 201310546755 A CN201310546755 A CN 201310546755A CN 103627033 B CN103627033 B CN 103627033B
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Abstract
The present invention relates to a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof, its component and weight portion be: starch 100 parts, alcohol soluble protein 10-15 part, glycerol 6-10 part, palygorskite clay 5-8 part.Starch film adds less amount of alcohol soluble protein the intensity of plastic sheeting namely when reducing glycerol consumption, can be improved.
Description
Technical field
The present invention relates to a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof, belong to macromolecular material and manufacture field thereof.
Technical background
Petroleum-based plastics, since coming out, has been widely used in a lot of occasion with its abundant source, appearance attractive in appearance, health, easy to process, stable in properties, has become human survival, the indispensable stock of social development and articles for use.But from Analysis of Environmental Problem, a large amount of discarded plastics, because of its non-biodegradable, bring the puzzlement of white pollution to the living environment of the mankind.Generally want due to general-purpose plastics the centuries just can degrade, soil is caused long-term hazards, affects crop growth, cause crop production reduction；It is lethal that the plastics being scattered can cause animal to eat by mistake.And degradable native biopolymer is inexhaustible Renewable resource, various in style, production cost is low, will not produce to pollute to environment.But in prior art, the mechanical property of degradation plastic is poor, it is necessary to improve further.
Summary of the invention
It is an object of the invention to provide a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof, it is possible to effectively
For realizing object above, a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film of the present invention, its component and weight portion be: starch 100 parts, alcohol soluble protein 10-15 part, glycerol 6-10 part, palygorskite clay 5-8 part.
Preferred component and weight portion be: starch 100 parts, alcohol soluble protein 12 parts, glycerol 8 parts, palygorskite clay 6 parts.
The preparation method of a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film of the present invention is:
(1) being dissolved in acetic acid by alcohol soluble protein, preparation mass concentration is the alcohol soluble protein solution of 2%；
(2) add starch, palygorskite clay, glycerol, water, be placed in ultrasound wave separating apparatus and disperse 30min；
(3) at 50 DEG C, gelatinizing is carried out, and carry out mechanical agitation, then it is poured in mould, dry 20h at 60 DEG C, take off film, balanced 24-48h in the environment that relative humidity is 70%, with hot press and cold press carry out vulcanizing, film-making, finally with conventional Shooting Technique injection mo(u)lding on injection machine.
Further, the power of described ultrasound wave separating apparatus is 600W.
Further, described gelatinization time is 20-30min.
What the present invention produced has the beneficial effect that, alcohol soluble protein and starch have good intermiscibility, adds less amount of alcohol soluble protein and namely when reducing glycerol consumption, can improve the intensity of plastic sheeting in starch film.Adding Paligorskite in the film is to improve the water retention property of composite and reducing cost.
Embodiment
Embodiment 1:
A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film, its component and weight portion be: starch 100 parts, alcohol soluble protein 15 parts, glycerol 6 parts, palygorskite clay 5 parts.
The preparation method of a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film is: alcohol soluble protein is dissolved in acetic acid by (1), and preparation mass concentration is the alcohol soluble protein solution of 2%；(2) add starch, palygorskite clay, glycerol, water, be placed in the ultrasound wave separating apparatus that power is 600W and disperse 30min；(3) at 50 DEG C, gelatinizing 25min is carried out, and carry out mechanical agitation, then it is poured in mould, dry 20h at 60 DEG C, take off film, balanced 36h in the environment that relative humidity is 70%, with hot press and cold press carry out vulcanizing, film-making, finally with conventional Shooting Technique injection mo(u)lding on injection machine.
The Alcohol-soluble protein-starch-baseddegradable degradable composite film prepared as stated above measures its mechanical property: record hot strength 19.3MPa, elongation at break 198%.
Embodiment 2:
A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film, its component and weight portion be: starch 100 parts, alcohol soluble protein 12 parts, glycerol 8 parts, palygorskite clay 6 parts.
The preparation method of a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film is: alcohol soluble protein is dissolved in acetic acid by (1), and preparation mass concentration is the alcohol soluble protein solution of 2%；(2) add starch, palygorskite clay, glycerol, water, be placed in the ultrasound wave separating apparatus that power is 600W and disperse 30min；(3) at 50 DEG C, gelatinizing 20min is carried out, and carry out mechanical agitation, then it is poured in mould, dry 20h at 60 DEG C, take off film, balanced 36h in the environment that relative humidity is 70%, with hot press and cold press carry out vulcanizing, film-making, finally with conventional Shooting Technique injection mo(u)lding on injection machine.
The Alcohol-soluble protein-starch-baseddegradable degradable composite film prepared as stated above measures its mechanical property: record hot strength 19.8MPa, elongation at break 216%.
Embodiment 3:
A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film, its component and weight portion be: starch 100 parts, alcohol soluble protein 10 parts, glycerol 10 parts, palygorskite clay 8 parts.
The preparation method of a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film is: alcohol soluble protein is dissolved in acetic acid by (1), and preparation mass concentration is the alcohol soluble protein solution of 2%；(2) add starch, palygorskite clay, glycerol, water, be placed in the ultrasound wave separating apparatus that power is 600W and disperse 30min；(3) at 50 DEG C, gelatinizing 30min is carried out, and carry out mechanical agitation, then it is poured in mould, dry 20h at 60 DEG C, take off film, balanced 48h in the environment that relative humidity is 70%, with hot press and cold press carry out vulcanizing, film-making, finally with conventional Shooting Technique injection mo(u)lding on injection machine.
The Alcohol-soluble protein-starch-baseddegradable degradable composite film prepared as stated above measures its mechanical property: record hot strength 18.6MPa, elongation at break 184%.
Claims (5)
1. an Alcohol-soluble protein-starch-baseddegradable degradable composite film, it is characterised in that: its component and weight portion be: starch 100 parts, alcohol soluble protein 10-15 part, glycerol 6-10 part, palygorskite clay 5-8 part.
2. a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film according to claim 1, it is characterised in that: its component and weight portion be: starch 100 parts, alcohol soluble protein 12 parts, glycerol 8 parts, palygorskite clay 6 parts.
3. a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film according to claim 1, it is characterised in that: preparation method is:
(1) being dissolved in acetic acid by alcohol soluble protein, preparation mass concentration is the alcohol soluble protein solution of 2%；
(2) add starch, palygorskite clay, glycerol, water, be placed in ultrasound wave separating apparatus and disperse 30min；
(3) at 50 DEG C, gelatinizing is carried out, and carry out mechanical agitation, then it is poured in mould, dry 20h at 60 DEG C, take off film, balanced 24-48h in the environment that relative humidity is 70%, with hot press and cold press carry out vulcanizing, film-making, finally with conventional Shooting Technique injection mo(u)lding on injection machine.
4. a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film according to claim 3, it is characterised in that: the power of described ultrasound wave separating apparatus is 600W.
5. a kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film according to claim 3, it is characterised in that: described gelatinization time is 20-30min.
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| CN201310546755.7A CN103627033B (en) | 2013-11-07 | 2013-11-07 | A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof |
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| CN201310546755.7A CN103627033B (en) | 2013-11-07 | 2013-11-07 | A kind of Alcohol-soluble protein-starch-baseddegradable degradable composite film and preparation method thereof |
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| CN103627033A CN103627033A (en) | 2014-03-12 |
| CN103627033B true CN103627033B (en) | 2016-06-29 |
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| 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 |
| CN106243401A (en) * | 2016-08-22 | 2016-12-21 | 太湖华强科技有限公司 | Caprolactone starch degradable thin film that a kind of zein strengthens and preparation method thereof |
| CN106633207B (en) * | 2016-12-23 | 2018-11-27 | 青岛农业大学 | A kind of cornstarch film and preparation method thereof containing rutin composite nanoparticle |
| CN108250493B (en) * | 2018-02-10 | 2021-07-02 | 浙江嘉禾印刷有限公司 | Starch-based edible inner packaging film and preparation method thereof |
| CN109776872A (en) * | 2018-12-04 | 2019-05-21 | 厦门大学 | A kind of water-resistant degradable thin-film material and preparation method thereof |
| CN111759804B (en) * | 2020-07-23 | 2021-07-02 | 江南大学 | Preparation method of pickering emulsion with synergistically stabilized clay particles and prolamine particles |
| CN114805946B (en) * | 2022-06-15 | 2022-12-27 | 河南工业大学 | Preparation method of acetylated high-amylose corn starch and zein composite film |
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| CN101024725A (en) * | 2006-02-20 | 2007-08-29 | 天津科技大学 | Maize alcohol-soluble protein film and preparing method |
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| US20090136641A1 (en) * | 2007-11-27 | 2009-05-28 | Mahmood Azam | Method of fractionating gliadin from wheat gluten protein and fabrication of edible film therefrom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101024725A (en) * | 2006-02-20 | 2007-08-29 | 天津科技大学 | Maize alcohol-soluble protein film and preparing method |
Non-Patent Citations (2)
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| "淀粉基可降解复合薄膜的制备及其性能研究";宋小丽;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20110615(第6期);B020-270，第8,26-27,38页 * |
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Inventor after: Zhao Zhifeng Inventor before: Su Jianli |
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Effective date of registration: 20160815 Address after: 076250, Jinfeng street, Xishan industrial agglomeration, Wanquan Town, Wanquan County, Hebei, Zhangjiakou, 3 Patentee after: Zhangjiakou Hao Feng Plastic Industry Co., Ltd. Address before: 266061 Shandong, Laoshan, Hongkong East Road, No. Pioneering Park, biological park, room 248, No. 239 Patentee before: Qingdao Wenchuang Science & Technology Co., Ltd. |
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