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Degradable plastic and method for preparing same

Inactive Publication Date: 2016-11-09
WUHU TIANXIONG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the thermoplastic properties of the existing degradable plastics are not good, they cannot be fully degraded, and the anti-aging effect is not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A degradable plastic made from the following raw materials in parts by weight: 60 parts of starch, 50 parts of polycaprolactone, 70 parts of polybutylene succinate, 75 parts of polyhydroxyalkanoate, polyethylene 20 parts of alcohol, 4 parts of chitin, 7 parts of polyaspartic acid, 15 parts of cellulose, 10 parts of polypropylene, 13 parts of phenolic resin, 2 parts of diatomaceous earth, 20 parts of asbestos, 15 parts of carbon black, phthalate 8 parts of acid ester, 35 parts of silicone rubber, 12 parts of diisononyl phthalate, 5 parts of zinc chromate and 12 parts of organotin.

[0025] A preparation method of degradable plastics, comprising the following steps:

[0026] 1) Mix 60 parts of starch, 50 parts of polycaprolactone, 70 parts of polybutylene succinate, 75 parts of polyhydroxyalkanoate, 20 parts of polyvinyl alcohol, 4 parts of chitin, and 7 parts of polyaspartate , 15 parts of cellulose, and 10 parts of polypropylene are put into the colloid mill for subseq...

Embodiment 2

[0035] A degradable plastic made from the following raw materials in parts by weight: 62.5 parts of starch, 52.5 parts of polycaprolactone, 72.5 parts of polybutylene succinate, 77.5 parts of polyhydroxyalkanoate, polyethylene 25 parts of alcohol, 5 parts of chitin, 11 parts of polyaspartic acid, 17.5 parts of cellulose, 12.5 parts of polypropylene, 14.5 parts of phenolic resin, 3 parts of diatomaceous earth, 25 parts of asbestos, 17.5 parts of carbon black, phthalate 9 parts of acid ester, 37.5 parts of silicone rubber, 13 parts of diisononyl phthalate, 6.5 parts of zinc chromate and 14 parts of organic tin.

[0036] A preparation method of degradable plastics, comprising the following steps:

[0037] 1) Mix 62.5 parts of starch, 52.5 parts of polycaprolactone, 72.5 parts of polybutylene succinate, 77.5 parts of polyhydroxyalkanoate, 25 parts of polyvinyl alcohol, 5 parts of chitin, and 11 parts of polyaspartate , 17.5 parts of cellulose, and 12.5 parts of polypropylene are ...

Embodiment 3

[0046] A degradable plastic made from the following raw materials in parts by weight: 65 parts of starch, 55 parts of polycaprolactone, 75 parts of polybutylene succinate, 80 parts of polyhydroxyalkanoate, polyethylene 30 parts of alcohol, 6 parts of chitin, 15 parts of polyaspartic acid, 20 parts of cellulose, 15 parts of polypropylene, 16 parts of phenolic resin, 4 parts of diatomaceous earth, 30 parts of asbestos, 20 parts of carbon black, phthalate 10 parts of acid ester, 40 parts of silicone rubber, 14 parts of diisononyl phthalate, 8 parts of zinc chromate and 16 parts of organotin.

[0047] A preparation method of degradable plastics, comprising the following steps:

[0048] 1) Mix 65 parts of starch, 55 parts of polycaprolactone, 75 parts of polybutylene succinate, 80 parts of polyhydroxyalkanoate, 30 parts of polyvinyl alcohol, 6 parts of chitin, and 15 parts of polyaspartate , 20 parts of cellulose, and 15 parts of polypropylene are put into the colloid mill for sub...

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PUM

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Abstract

The invention discloses a degradable plastic. The degradable plastic is made of, by weight, 60-65 parts of starch, 50-55 parts of polycaprolactone, 70-75 parts of poly butylenes succinate, 75-80 parts of polyhydroxyalkanoate, 20-30 parts of polyvinyl alcohol, 4-6 parts of chitin, 7-15 parts of polyaspartate acid, 15-20 parts of celluloses, 10-15 parts of polypropylene, 13-16 parts of phenolic resin, 2-4 parts of diatomaceous earth, 20-30 parts of asbestos, 15-20 parts of carbon black, 8-10 parts of phthalate, 35-40 parts of silicone rubber, 12-14 parts of diisononyl phthalate, 5-8 parts of zinc chromate and 12-16 parts of organic tin. The degradable plastic has the advantages that the degradable plastic is good in thermoplastic property and can be sufficiently degraded, and good anti-aging effects can be realized.

Description

technical field [0001] The invention relates to a degradable plastic and a preparation method thereof. Background technique [0002] Degradable plastics refer to plastics that add a certain amount of additives (such as starch, modified starch or other cellulose, photosensitizers, biodegradants, etc.) [0003] Photodegradable plastics are mixed with photosensitizers in plastics, and the plastics are gradually decomposed under sunlight. It belongs to an earlier generation of degradable plastics, and its disadvantage is that the degradation time is difficult to predict due to sunlight and climate changes, so the degradation time cannot be controlled. [0004] Biodegradable plastics can be completely decomposed into plastics of low molecular weight compounds under the action of microorganisms. It is characterized by convenient storage and transportation, as long as it is kept dry, it does not need to be protected from light, and has a wide range of applications. It can be used...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L67/02C08L3/02C08L29/04C08L5/08C08L1/02C08L23/12C08L61/06C08L83/04C08K13/04C08K7/12C08K3/34C08K3/04C08K5/12C08K3/24
CPCC08L67/04C08K2201/014C08L2201/06C08L2205/02C08L2205/025C08L2205/035C08L67/02C08L3/02C08L29/04C08L5/08C08L1/02C08L23/12C08L61/06C08L83/04C08K13/04C08K7/12C08K3/34C08K3/04C08K5/12C08K3/24
Inventor 黄雄关
Owner WUHU TIANXIONG NEW MATERIAL TECH
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