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Degradable modified soy protein plastic material

A technology of soybean protein and plastic materials, which is applied in the field of plastic materials, can solve the problems of environmental pollution and difficult degradation, and achieve the effects of less environmental pollution, easy water absorption, and improved flexibility

Inactive Publication Date: 2015-01-28
QIAOJIAN NEW ENERGY TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyethylene is a new type of engineering plastic with the best overall performance among engineering plastics. Because it has a very high relative molecular weight, it has many excellent properties that ordinary polyethylene materials do not have, such as: it is not easy to stick Attachment, chemical corrosion resistance, non-toxic, recycling, polyethylene also has its shortcomings that need to be overcome urgently, it is not easy to degrade, pollutes the environment after being buried, and the toughness and flame retardancy need to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of degradable modified soybean protein plastic material, its raw material comprises by weight:

[0043] Low-density polyethylene 90 parts,

[0044] 20 parts of high-density polypropylene,

[0045] 9 parts of low-density polypropylene,

[0046] 3 parts cornstarch,

[0047] Bacillus licheniformis 0.9 parts,

[0048] 3 parts of flame retardant ammonium oligophosphate,

[0049] Toughening agent EPDM rubber 10 parts,

[0050] 2 parts of silane coupling agent,

[0051] Antioxidant phosphite 1 part,

[0052] 15 parts of modified soybean protein;

[0053] Among them, the modified soybean protein is prepared by the following process: Weigh 90 parts of soybean protein isolate and 280 parts of tetrahydrofuran by weight and send them into the reactor for stirring, heat the water bath to 85 ° C, and the water bath time is 20 minutes, and then add 6 parts of zinc acetate Stir for 10 minutes, then add 20 parts of maleic anhydride and stir evenly, suction filter after th...

Embodiment 2

[0055] A kind of degradable modified soybean protein plastic material, its raw material comprises by weight:

[0056] 80 parts of low-density polyethylene,

[0057] 30 parts of high-density polypropylene,

[0058] 5 parts of low-density polypropylene,

[0059]8 parts cornstarch,

[0060] Bacillus licheniformis 0.5 parts,

[0061] Flame retardant ammonium oligophosphate 12 parts,

[0062] Toughening agent EPDM rubber 5 parts,

[0063] 5 parts of silane coupling agent,

[0064] Antioxidant phosphite 0.5 part,

[0065] 20 parts of modified soybean protein;

[0066] Among them, the modified soybean protein is prepared by the following process: Weigh 80 parts of soybean protein isolate and 290 parts of tetrahydrofuran by weight and send them into the reactor for stirring, heat the water bath to 80 ° C, and the water bath time is 30 minutes, and then add 5 parts of zinc acetate Stir for 15 minutes, then add 18 parts of maleic anhydride and stir evenly, suction filter after t...

Embodiment 3

[0068] A kind of degradable modified soybean protein plastic material, its raw material comprises by weight:

[0069] 86 parts of low-density polyethylene,

[0070] 23 parts of high-density polypropylene,

[0071] 6.4 parts of low-density polypropylene,

[0072] 6 parts cornstarch,

[0073] Bacillus licheniformis 0.6 parts,

[0074] 7 parts of flame retardant ammonium oligophosphate,

[0075] Toughening agent EPDM rubber 9 parts,

[0076] 3 parts of silane coupling agent,

[0077] Antioxidant phosphite 0.6 part,

[0078] 18 parts of modified soybean protein;

[0079] Among them, the modified soybean protein is prepared by the following process: Weigh 87 parts of soybean protein isolate and 284 parts of tetrahydrofuran by weight and send them into the reactor for stirring, heat the water bath to 82 °C for 27 minutes, and then add 5.6 parts of zinc acetate Stir for 12 minutes, then add 19.5 parts of maleic anhydride and stir evenly, suction filter after the reaction, and...

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Abstract

The invention discloses a degradable modified soy protein plastic material. The degradable modified soy protein plastic material comprises, by weight, 80-90 parts of low-density polyethylene, 20-30 parts of high-density polypropylene, 5-9 parts of low-density polypropylene, 3-8 parts of corn starch, 0.5-0.9 part of bacillus licheniformis, 3-12 parts of fire retardants (oligomeric ammonium phosphate), 5-10 parts of flexibilizer (ethylene-propylene- diene-terpolymer rubber), 2-5 parts of silane coupling agents, 0.5-1 part of antioxidant (phosphite ester) and 15-20 parts of modified soy protein. The technology for preparing the modified soy protein includes the following steps that 80-90 parts of soy isolate protein and 280-290 parts of tetrahydrofuran are weighed by weight, fed into a reactor and stirred, the mixture is heated in a water bath to 80 DEG C-85 DEG C, the water bath time is 20-30 min, the mixture is stirred for 10-15 min after adding 5-6 parts of zinc acetate and then evenly stirred after adding 18-20 parts of maleic anhydride, suction filtration is carried out after the reaction is completed, and the product is aired naturally to obtain the modified soy protein.

Description

technical field [0001] The invention relates to the technical field of plastic materials, in particular to a degradable modified soybean protein plastic material. Background technique [0002] Polyethylene is a new type of engineering plastic with the best overall performance among engineering plastics. Because it has a very high relative molecular weight, it has many excellent properties that ordinary polyethylene materials do not have, such as: it is not easy to stick Attachment, chemical corrosion resistance, non-toxic, recycling, polyethylene also has its shortcomings that need to be overcome urgently, it is not easy to degrade, pollutes the environment after being buried, and the toughness and flame retardancy need to be further improved. Contents of the invention [0003] The invention provides a degradable modified soybean protein plastic material, which has good toughness, hardness and flame retardancy, fast degradation speed after burial, and little harm to the en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L3/02C08L23/16C08L89/00C08K3/32C08K5/521
CPCC08L23/06C08H1/00C08L2201/02C08L2201/06C08L2205/02C08L2205/025C08L2205/035C08L2207/066
Inventor 马从勇
Owner QIAOJIAN NEW ENERGY TECH SUZHOU
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