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Environment-friendly polyethylene plastic and preparation method thereof

A polyethylene plastic and low-density polyethylene technology, applied in the field of environmentally friendly polyethylene plastic and its preparation, can solve the problems of difficult degradation or degradation cycle, fast decomposition rate, oxidation resistance, weak impact resistance, etc., to achieve easy industrial production , short degradation time, good environmental protection effect

Inactive Publication Date: 2018-04-20
ANHUI YOURFRIEND PULP MOLDING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the main raw materials of plastics are high-molecular polyolefin resins such as PVC, PS, PP, PE, PET, etc., their products are difficult to degrade or have a long degradation cycle. With the demand for low-carbon life, the development of environmentally friendly plastic materials with agricultural product starch as filler With the gradual rise of applications, however, this material has a fast decomposition rate, weak oxidation resistance and impact resistance

Method used

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  • Environment-friendly polyethylene plastic and preparation method thereof

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Effect test

Embodiment 1

[0019] An environmentally friendly polyethylene plastic, made of the following parts by weight: 90 parts of low-density polyethylene, 20 parts of starch, 8 parts of dicumyl peroxide, 8 parts of glycerin, 10 parts of maleic anhydride, 6 parts of calcium carbonate Parts, glycerol 8, 3 parts coupling agent, 0.3 parts antioxidant, 0.4 parts solubilizer, and 2.5 parts water; the starch is corn starch, and the coupling agent is γ-glycidoxypropyltrimethyl Oxysilane, the antioxidant is antioxidant 1010, and the solubilizer is polysorbate.

[0020] The preparation method of environmentally friendly polyethylene plastic in this embodiment includes the following steps:

[0021] (1) Prepare the raw materials according to the ratio, add starch, glycerol and water into the high-speed mixer to fully mix, moisten, and modify for 20 minutes to obtain modified starch;

[0022] (2) Add the coupling agent, calcium carbonate and solubilizer to the modified starch in step 1, and after mixing, add low-den...

Embodiment 2

[0025] An environmentally friendly polyethylene plastic made of the following components by weight: 80 parts of low-density polyethylene, 15 parts of starch, 10 parts of dicumyl peroxide, 10 parts of glycerin, 8 parts of maleic anhydride, 8 parts of calcium carbonate Parts, glycerol 8, 2 parts coupling agent, 0.3 parts antioxidant, 0.5 parts solubilizer, and 3 parts water, the starch is potato starch, the coupling agent is vinyltrimethoxysilane, the The antioxidant is antioxidant 1010, and the solubilizer is polysorbate.

[0026] The preparation method of environmentally friendly polyethylene plastic in this embodiment includes the following steps:

[0027] (1) Prepare raw materials according to the ratio, add starch, glycerol and water into a high-speed mixer to fully mix, moisten, and modify for 15 minutes to obtain modified starch;

[0028] (2) Add the coupling agent, calcium carbonate and solubilizer to the modified starch in step 1, and after mixing, add low density polyethylen...

Embodiment 3

[0031] An environmentally friendly polyethylene plastic made of the following parts by weight: 100 parts of low-density polyethylene, 20 parts of starch, 8 parts of dicumyl peroxide, 7 parts of glycerin, 10 parts of maleic anhydride, 5 parts of calcium carbonate Parts, 6 parts of glycerol, 3 parts of coupling agent, 0.5 parts of antioxidant, 2 parts of solubilizer and 2 parts of water, the starch is sweet potato starch, and the coupling agent is γ-glycidoxypropyl trimethyl Oxysilane, the antioxidant is antioxidant 1010, and the solubilizer is polysorbate.

[0032] The preparation method of environmentally friendly polyethylene plastic in this embodiment includes the following steps:

[0033] (1) Prepare raw materials according to the ratio, add starch, glycerol and water into a high-speed mixer to fully mix, moisten, and modify for 25 minutes to obtain modified starch;

[0034] (2) Add the coupling agent, calcium carbonate and solubilizer to the modified starch in step 1, and after ...

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Abstract

The invention provides an environment-friendly polyethylene plastic. The polyethylene plastic is prepared from the following components in parts by weight: 80-100 parts of low-density polyethylene, 15-20 parts of starch, 8-10 parts of dicumyl peroxide, 7-10 parts of glycerol, 8-10 parts of maleic anhydride, 5-8 parts of calcium carbonate, 6-8 parts of glycerol, 2-3 parts of a coupling agent, 0.3-0.5 parts of a antioxidant, 0.5-2 parts of a solubilizing agent and 2-3 parts of water. The environment-friendly polyethylene plastic provided by the invention has the advantages of wide raw material source, short degradation time of products, good environmental protection, high tensile strength and elongation at break, good thermal stability and the like. The invention also provides a preparationmethod of the environment-friendly polyethylene plastic; the process route is simple; and industrial production is easy to realize.

Description

Technical field [0001] The invention belongs to the technical field of packaging materials, and particularly relates to an environmentally friendly polyethylene plastic and a preparation method thereof. Background technique [0002] Most plastics have the advantages of light weight, chemical stability, no corrosion, good impact resistance, and good insulation. Therefore, plastics are widely used in stationery products, catering supplies, packaging supplies and other fields. Since the main raw materials of plastics are high-molecular polyolefin resins such as PVC, PS, PP, PE, and PET, their products are difficult to degrade or have a long degradation cycle. With the demand for low-carbon life, the development of environmentally friendly plastic materials using agricultural product starch as a filler With the application gradually emerging, however, this material has a fast decomposition rate, weak oxidation resistance and impact resistance. Summary of the invention [0003] In vie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/06C08L23/06C08L3/04C08K13/02C08K5/053C08K3/26C08K5/134C08K5/5435C08K5/5425C08B31/00
CPCC08L51/06C08B31/00C08L2201/08C08L23/06C08L3/04C08K13/02C08K5/053C08K3/26C08K5/1345C08K5/5435C08K5/5425
Inventor 汪锋王龙珑
Owner ANHUI YOURFRIEND PULP MOLDING TECH
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