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Novel degradable plastic

A degradable plastic, a new type of technology, applied in the field of new degradable plastics, can solve the problems of fast decomposition rate, strong water absorption, oxidation resistance, weak impact resistance, etc., and achieve slow decomposition rate, low water absorption, and good impact resistance. Effect

Inactive Publication Date: 2017-01-11
GUANGXI NANNING ZHICUI SCI TECH CONSULTATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a new type of degradable plastic to solve the problems of fast decomposition rate, weak oxidation resistance, impact resistance, strong water absorption, etc. question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] The preparation method of the novel degradable plastic includes the following steps:

[0035] S1: Graft polylactic acid resin, modified poly-β-hydroxybutyrate PHB, diisononyl phthalate DINP, epoxy butyl stearate, linear low density polyethylene with maleic anhydride and γ-shrinkage Glyceryl ether oxypropyl trimethoxysilane is mixed, and stirred at a temperature of 105-120°C and a rotation speed of 200-400r / min for 10-15min to obtain a mixture I;

[0036] S2: Under the protection of nitrogen, add alkaline clay, calcium carbonate, jute fiber, methyl methacrylate-butadiene-styrene copolymer, potassium aluminum sulfate, citrate, to the mixture I prepared in step 1 Ethylene-vinyl acetate copolymer, ethylene bisoleic acid amide, diphenylmethane diisocyanate, degrading agent, stirring at an ultrasonic power of 120-180W, a temperature of 90-96℃, and a rotation speed of 200-300r / min 2- 2.5h to prepare mixture II;

[0037] S3: Add black soybean protein powder, oxidized sweet potato st...

Embodiment 1

[0041] A new type of degradable plastic, in parts by weight, including the following raw materials: 120 parts of polylactic acid resin, 80 parts of modified poly-β-hydroxybutyric acid PHB, 8 parts of diisononyl phthalate DINP, epoxy hard 20 parts of butyl ester, 13 parts of black soybean protein powder, 10 parts of oxidized sweet potato starch, 6 parts of alkaline clay, 5 parts of calcium carbonate, 12 parts of jute fiber, 1.5 parts of linear low density polyethylene grafted maleic anhydride, γ- Glycidyloxypropyltrimethoxysilane 1.5 parts, methyl methacrylate-butadiene-styrene copolymer 2.5 parts, aluminum potassium sulfate 1.5 parts, citrate ester 3.5 parts, ethylene-vinyl acetate copolymer 2.5 parts , 2 parts of ethylene bisoleic acid amide, 1.5 parts of diphenylmethane diisocyanate, 2.1 parts of anti-mildew and antibacterial agent, 1.5 parts of degrading agent, 0.9 part of antioxidant, 0.8 part of stabilizer;

[0042] The alkaline clay is nano-scale alkaline clay;

[0043] The ...

Embodiment 2

[0054] A new type of degradable plastic, in parts by weight, including the following raw materials: 103 parts of polylactic acid resin, 77 parts of modified poly-β-hydroxybutyric acid PHB, 6 parts of diisononyl phthalate DINP, epoxy 15 parts of butyl stearate, 10 parts of black soybean protein powder, 7 parts of oxidized sweet potato starch, 3 parts of alkaline clay, 3 parts of calcium carbonate, 8 parts of jute fiber, 1 part of linear low density polyethylene grafted maleic anhydride, γ -Glycidoxypropyltrimethoxysilane 1 part, methyl methacrylate-butadiene-styrene copolymer 2 parts, aluminum potassium sulfate 1 part, citrate ester 3 parts, ethylene-vinyl acetate copolymer 2 Parts, 1 part of ethylene bisoleic acid amide, 1 part of diphenylmethane diisocyanate, 0.8 part of anti-mold and antibacterial agent, 1 part of degrading agent, 0.6 part of antioxidant, 0.5 part of stabilizer;

[0055] The alkaline clay is nano-scale alkaline clay;

[0056] The calcium carbonate is nanometer c...

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Abstract

The invention discloses novel degradable plastic which comprises polylactic resin, modified poly-beta-hydroxybutyric acid PHB, diisononyl phthalate DINP, epoxy butyl stearate, black bean protein powder, oxidized sweet potato starch, alkaline carclazyte, calcium carbonate, jute fiber, linear low density polyethylene grafted maleic anhydride, gamma-glycidyl ether propoxy trimethoxy silane, methyl methacrylate-butadiene-styrene copolymer, aluminum potassium sulfate, citrate, vinyl-ethylene copolymer, ethylene bis oleamide, diphenylmethane diisocyanate, mildewproof antibacteiral agent, degrading agent, antioxidant and stabilizer. The novel degradable plastic has high tensile strength and elongation at break, is good in impact-resistant performance, low in hydroscopicity and high in light transmittance, can be completely degraded into carbon dioxide and water after 133-136 days and is free of causing damage to environment.

Description

[0001] 【Technical Field】 [0002] The invention belongs to the field of plastic preparation technology and environmental protection, and specifically relates to a new type of degradable plastic. [0003] 【Background technique】 [0004] Plastics are extremely versatile, such as plastic toys, plastic bottles, plastic packaging, plastic bags, etc. We cannot live without plastic at all. Studies have found that plastic products produced by polylactic acid resin can be completely degraded into carbon dioxide and water in a compost environment. In addition, polylactic acid resin has good compatibility, transparency, solvent resistance and biaxial stretching properties, etc., and can be processed in a variety of ways. At present, the more common plastic products at home and abroad are disposable cups, cutlery, plates, etc. In theory, plastic bags, non-woven fabrics, etc., as long as they are plastic products, can be made of this bioplastic material. [0005] However, as we all know, ordinary...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L89/00C08L3/10C08K13/02C08K5/12C08K5/1515C08K3/26C08K5/5435C08K5/11
CPCC08L67/04C08L2201/06C08L2201/08C08L2205/025C08L2205/035C08L89/00C08L3/10C08K13/02C08K5/12C08K5/1515C08K2003/265C08K5/5435C08K5/11
Inventor 朱俊宇
Owner GUANGXI NANNING ZHICUI SCI TECH CONSULTATION CO LTD
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