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Environmentally-friendly soybean protein-based plastic packaging film

A soy protein and packaging film technology, applied in packaging, wrapping paper, biological packaging, etc., can solve the problem that tensile strength, elongation at break bursting and tearing strength cannot meet the application requirements, biodegradable plastic physical Poor mechanical properties, high cost of biodegradable plastics, to achieve the effects of inhibiting the growth of bacteria, easy molding, and low production costs

Inactive Publication Date: 2018-11-30
桐城市亿伟塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, biodegradable plastics still have the following disadvantages: (1) Most of them are polylactic acid substrates, and the cost of biodegradable plastics is high; (2) The physical and mechanical properties of biodegradable plastics are poor, and their tensile strength, fracture The elongation, bursting and tearing strength, etc. cannot meet the requirements of the application, which affects its application range

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] An environmentally friendly soybean protein-based plastic packaging film is made of the following raw materials in parts by weight:

[0023] 40 parts of soybean protein, 10 parts of potato starch, 3 parts of magnesium stearate, 3 parts of soybean straw fiber, 3 parts of antistatic agent, 2 parts of ceramic fiber, 1 part of activated graphene, 2 parts of flame retardant, 4 parts of xanthan gum 13 parts of porous carbon, 2 parts of coupling agent, 2 parts of lauric acid, 2 parts of toughening agent, 1 part of modified poly-β-hydroxybutyric acid, 1 part of natural antibacterial agent, 1 part of microbial nutritional additive, 3 parts of turpentine share.

[0024] The preparation method of the soybean protein: select high-quality soybeans, soak them for 8-12 hours, take them out and drain them, grind them, separate out the protein, dry the protein solution, remove the water therein, and obtain soybean protein powder.

[0025] Preferably, the microbial nutritional additive ...

Embodiment 2

[0029] An environmentally friendly soybean protein-based plastic packaging film is made of the following raw materials in parts by weight:

[0030] 49 parts of soybean protein, 15 parts of potato starch, 8 parts of magnesium stearate, 6 parts of soybean straw fiber, 7 parts of antistatic agent, 5 parts of ceramic fiber, 3 parts of activated graphene, 4 parts of flame retardant, 6 parts of xanthan gum 13 parts of porous carbon, 3 parts of coupling agent, 5 parts of lauric acid, 3 parts of toughening agent, 3 parts of modified poly-β-hydroxybutyric acid, 4 parts of natural antibacterial agent, 3 parts of microbial nutritional additives, 6 parts of turpentine share.

[0031] The preparation method of the soybean protein: select high-quality soybeans, soak them for 8-12 hours, take them out and drain them, grind them, separate out the protein, dry the protein solution, remove the water therein, and obtain soybean protein powder.

[0032] Preferably, the microbial nutritional addi...

Embodiment 3

[0036] An environmentally friendly soybean protein-based plastic packaging film is made of the following raw materials in parts by weight:

[0037] 46 parts of soybean protein, 13 parts of potato starch, 6 parts of magnesium stearate, 5 parts of soybean straw fiber, 5 parts of antistatic agent, 3 parts of ceramic fiber, 2 parts of activated graphene, 3 parts of flame retardant, 5 parts of xanthan gum 10 parts of porous carbon, 2.5 parts of coupling agent, 3.5 parts of lauric acid, 2.5 parts of toughening agent, 2 parts of modified poly-β-hydroxybutyric acid, 3 parts of natural antibacterial agent, 2 parts of microbial nutritional additives, 5 parts of turpentine share.

[0038] The preparation method of the soybean protein: select high-quality soybeans, soak them for 8-12 hours, take them out and drain them, grind them, separate the protein, dry the protein solution, remove the water therein, and obtain soybean protein powder.

[0039] Preferably, the microbial nutritional ad...

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PUM

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Abstract

The invention discloses an environmentally-friendly soybean protein-based plastic packaging film. The environmentally friendly soybean protein based plastic packaging film is prepared from the following raw materials by weight: 40-49 parts of soybean protein, 10-15 parts of potato starch, 3-8 parts of magnesium stearate, 3-6 parts of soybean straw fibers, 3-7 parts of an antistatic agent, 2-5 parts of ceramic fibers, 1-3 parts of activated graphene, 2-4 parts of a flame retardant, 4-6 parts of xanthan gum, 10-13 parts of porous carbon, 2-3 parts of a coupling agent, 2-5 parts of lauric acid, 2-3 parts of a toughening agent, 1-3 parts of modified poly-beta-hydroxybutyric acid, 1-4 parts of a natural antibacterial agent, 1-3 parts of a microbial nutritional additive and 3-6 parts of turpentine. The plastic packaging film of the invention can be degraded into carbon dioxide and water by microorganisms after being discarded, so the plastic packaging film can be reused by the nature and does not cause irreversible damage to the environment; and the ceramic fibers, activated graphene and porous carbon are used as filling and reinforcing agent, so the wear resistance and tear resistance of the film of the invention are greatly improved.

Description

technical field [0001] The invention relates to the field of plastic packaging, in particular to an environmentally friendly soybean protein-based plastic packaging film. Background technique [0002] Plastic is a cheap and high-quality material. However, with the widespread use of plastic bags and plastic thin products, it has been found that the intrinsic life of plastic thin products is much longer than its service life. The inherent durability of plastics increases the proportion of urban solid waste, and the discarded plastic thin products (such as plastic bags, plastic packaging, disposable plastic products, mulch, etc.) pollute the environment for a long time, and gradually become White pollution has become one of the major problems plaguing human survival and development in the 21st century. [0003] In order to reduce white pollution and protect the ecological environment, the research, development and use of biodegradable plastics are becoming more and more import...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/00C08L3/02C08L97/02C08K13/06C08K7/04C08K9/12C08K3/08C08K5/00C08J5/18B65D65/46
CPCB65D65/466C08J5/18C08J2389/00C08J2403/02C08K5/0058C08K7/04C08K9/12C08K13/06C08K2003/0806Y02W90/10
Inventor 杨锋
Owner 桐城市亿伟塑胶有限公司