Degradable plastic material

A technology for degrading plastics and raw materials, which is applied in the field of plastic materials, can solve the problems of high recycling production costs, and achieve excellent bending fatigue resistance, improved compatibility, and low relative density.

Active Publication Date: 2014-10-15
浙江创新旭隆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the perspective of saving resources, since the main source of plastic products is petroleum resources that are facing depletion, they should be recycled as much as possible. However, because the production cost of recycling at this stage is much higher than the direct production cost, it is difficult to achieve it under the current market economy conditions

Method used

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  • Degradable plastic material

Examples

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Effect test

Embodiment 1

[0013] A kind of degradable plastic material that the present invention proposes, its raw material comprises by weight: 45 parts of hydroxybutyrate valeric acid copolyester PHBV, 55 parts of peanut protein powders, 15 parts of nano-cellulose whiskers, 15 parts of coconut fibers, linear 3 parts of starch, 2.2 parts of silane coupling agent KH560, 2 parts of potassium sorbate, 3 parts of dehydroacetic acid, 1.4 parts of dioctyl phthalate DOP, 1.6 parts of zinc stearate, 10 parts of hard clay, 9 parts of kaolin, 7 parts of sepiolite, 1.4 parts of 2,6-di-tert-butyl-4-methylphenol BHT, wherein the protein content of peanut protein powder is 70wt%;

[0014] During the preparation process, the silane coupling agent KH560 was added to the nanocellulose whiskers and stirred at a stirring speed of 28rpm for 7min, then coconut fiber and amylose were added and stirred at a stirring speed of 30rpm for 8min, and then peanut protein powder was added to stir at a stirring speed of 38rpm Stir ...

Embodiment 2

[0016] A kind of degradable plastic material that the present invention proposes, its raw material comprises by weight: 49 parts of hydroxybutyrate valeric acid copolyester PHBV, 51 parts of peanut protein powders, 17 parts of nano-cellulose whiskers, 13 parts of coconut fiber, linear 4.5 parts of starch, 1.7 parts of silane coupling agent KH560, 2.6 parts of potassium sorbate, 2.1 parts of dehydroacetic acid, 1.56 parts of dioctyl phthalate DOP, 1.3 parts of zinc stearate, 11.2 parts of hard clay, 6 parts of kaolin, 10 parts of sepiolite, 1.1 parts of 2,6-di-tert-butyl-4-methylphenol BHT, wherein the protein content of peanut protein powder is 76wt%;

[0017] During the preparation process, the silane coupling agent KH560 was added to the nanocellulose whiskers and stirred at a stirring speed of 20rpm for 10min, then coconut fiber and amylose were added and stirred at a stirring speed of 23rpm for 12min, and then peanut protein powder was added at a stirring speed of 35rpm St...

Embodiment 3

[0019] A kind of degradable plastic material that the present invention proposes, its raw material comprises by weight: 47 parts of hydroxybutyrate valeric acid copolyester PHBV, 53 parts of peanut protein powders, 16 parts of nano-cellulose whiskers, 14 parts of coconut fibers, linear 3.5 parts of starch, 2.1 parts of silane coupling agent KH560, 2.2 parts of potassium sorbate, 2.4 parts of dehydroacetic acid, 1.43 parts of dioctyl phthalate DOP, 1.5 parts of zinc stearate, 10.6 parts of hard clay, 8 parts of kaolin, 8 parts of sepiolite, 1.3 parts of 2,6-di-tert-butyl-4-methylphenol BHT, wherein the protein content of peanut protein powder is 74wt%;

[0020] During the preparation process, the silane coupling agent KH560 was added to the nanocellulose whiskers and stirred at a stirring speed of 23rpm for 9min, then coconut fiber and amylose were added and stirred at a stirring speed of 28rpm for 10min, and then peanut protein powder was added to stir at a stirring speed of 37...

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Abstract

The invention discloses a degradable plastic material. The degradable plastic material comprises the following raw materials in part by weight: 5-50 parts of hydroxybutyrate and valeric acid copolyester PHBV4, 50-55 parts of peanut protein prowder, 15-18 parts of nanometer cellulose whiskers, 12-15 parts of coconut fibers, 3-5 parts of amylase, 1.5-2.2 parts of silane coupling agents, 2-3 parts of potassium sorbate, 2-3 parts of dehydroacetic acids, 1.4-1.6 parts of dioctyl phthalate, 1.2-1.6 parts of zinc stearate, 10-12 parts of hard clay, 5-9 parts of kaolin, 7-11 parts of sepiolite and 1-1.4 parts of 2, 6- di-tert-butyl-4-methylphenol BHT. The degradable plastic material can be completely decomposed into micromolecule substances under effects of microorganisms; the tensile strength, the breakage elongation and the light transmission of the degradable plastic material are close to those of the existing polypropylene; and the degradable plastic material can replace the polypropylene in some fields.

Description

technical field [0001] The invention relates to the technical field of plastic materials, in particular to a degradable plastic material. Background technique [0002] A large number of discarded plastic products can be seen everywhere in various public places. They come from nature and are manufactured by humans. When they are finally attributed to nature, they are not easily absorbed by nature, thus affecting the ecological environment of nature. From the perspective of resource conservation, plastic products should be recycled as much as possible since the main source of plastic products is petroleum resources that are facing depletion. However, since the production cost of recycling at this stage is much higher than the direct production cost, it is difficult to do so under the current market economy conditions. Now we are looking for a degradable plastic that can be completely decomposed into small molecular substances within a certain period of time, so that it can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L89/00C08L1/02C08L3/02C08K5/12C08K5/098C08K3/34B29C47/92B29C48/92
CPCB29C47/92B29C48/92B29C2948/9259B29C2948/92704
Inventor 李元焕
Owner 浙江创新旭隆新材料科技有限公司
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