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Biodegradable plastic cement material and preparation method thereof

A plastic material, biodegradable technology, applied in the field of materials, can solve the problems of white pollution, low degradability, visual impact, etc., and achieve the effect of high tensile strength and elongation at break, good elasticity and toughness

Inactive Publication Date: 2016-06-08
SUZHOU FAST INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the improvement and research and development of plastic materials have become the top priority. Our traditional plastic materials mainly pursue perfect performance, such as disposable plastics. Low, has caused very serious "white pollution", not only has an impact on the vision, but more importantly, it has also had a great impact on the living environment

Method used

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  • Biodegradable plastic cement material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A biodegradable plastic material, comprising in parts by weight: 20 parts of polylactic acid, 10 parts of polymethyl methacrylate, 5 parts of polypropylene, 0.5 part of dioctyl phthalate, butyl benzyl phthalate 0.1 part of ester, 2 parts of castor oil, 1 part of coconut oil fatty acid diethanolamide, 1 part of cellulose, 1 part of modified starch, 0.2 part of dibutyl hydroxytoluene, 0.1 part of butyl hydroxyanisole, 0.5 part of polymethyl acrylate parts, 0.5 parts of silicon dioxide.

[0018] The preparation method of the above-mentioned biodegradable plastic material is as follows: first polylactic acid, polymethyl methacrylate, polypropylene, dioctyl phthalate, butyl benzyl phthalate, castor oil and coconut oil fatty acid Mix ethanolamide, heat to 80°C and stir for 1 hour, then add the remaining components, use a low-speed disperser to disperse at a speed of 300r / min for 2 minutes, put it in an oven and react at 80°C for 2 hours, and finally add twin-screw extrusion ...

Embodiment 2

[0020] A biodegradable plastic material, comprising in parts by weight: 25 parts of polylactic acid, 15 parts of polymethyl methacrylate, 7.5 parts of polypropylene, 0.7 part of dioctyl phthalate, butyl benzyl phthalate 0.15 parts of ester, 3.5 parts of castor oil, 1.5 parts of coconut oil fatty acid diethanolamide, 1.5 parts of cellulose, 1.5 parts of modified starch, 0.3 parts of dibutyl hydroxytoluene, 0.15 parts of butyl hydroxyanisole, 0.7 parts of polymethyl acrylate parts, 0.7 parts of silicon dioxide.

[0021] The preparation method of the above-mentioned biodegradable plastic material is as follows: first polylactic acid, polymethyl methacrylate, polypropylene, dioctyl phthalate, butyl benzyl phthalate, castor oil and coconut oil fatty acid Mix ethanolamide, heat to 85°C and stir for 1.5 hours, then add the remaining components, use a low-speed disperser to disperse at a speed of 350r / min for 3 minutes, put it in an oven and react at 85°C for 2.5 hours, and finally ad...

Embodiment 3

[0023] A biodegradable plastic material, comprising in parts by weight: 30 parts of polylactic acid, 20 parts of polymethyl methacrylate, 10 parts of polypropylene, 1 part of dioctyl phthalate, butyl benzyl phthalate 0.2 parts of ester, 5 parts of castor oil, 2 parts of coconut oil fatty acid diethanolamide, 2 parts of cellulose, 2 parts of modified starch, 0.5 parts of dibutyl hydroxytoluene, 0.2 parts of butyl hydroxyanisole, 1 part of polymethyl acrylate 1 part, 1 part of silicon dioxide.

[0024] The preparation method of the above-mentioned biodegradable plastic material is as follows: first polylactic acid, polymethyl methacrylate, polypropylene, dioctyl phthalate, butyl benzyl phthalate, castor oil and coconut oil fatty acid Mix ethanolamide, heat to 90°C and stir for 2 hours, then add the remaining components, use a low-speed disperser to disperse at a speed of 400r / min for 5 minutes, put it in an oven and react at 90°C for 3 hours, and finally add twin-screw extrusion...

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Abstract

The invention provides a biodegradable plastic cement material and a preparation method thereof. The material comprises polylactic acid, polymethyl methacrylate, polypropylene, dicapryl phthalate, butyl benzyl phthalate, castor oil, cocoanut fatty acid diethanolamide, cellulose, modified starch, butylated hydroxytoluene, butyl hydroxy anisd, polymethyl acrylate and silica. The preparation method comprises the steps of firstly, mixing, heating and stirring polylactic acid, polymethyl methacrylate, polypropylene, dicapryl phthalate, butyl benzyl phthalate, castor oil and cocoanut fatty acid diethanolamide, then adding the remaining components, conducting dispersion, then placing the mixture into a dryer for a reaction, and finally adding the mixture into a double-screw extruder for extrusion molding. The biodegradable plastic cement material can be degraded completely, is high in degradation speed and meanwhile has quite good elasticity and toughness.

Description

technical field [0001] The invention relates to the field of materials, in particular to a biodegradable plastic material and a preparation method thereof. Background technique [0002] As the population grows and people's living standards improve, our environment is also under tremendous pressure. On the one hand, our development cannot be stopped; on the other hand, we must also undertake the responsibility of improving the environment and trying not to cause pressure on the environment for development. Among them, the improvement and research and development of plastic materials have become the top priority. Our traditional plastic materials mainly pursue perfect performance, such as disposable plastics. Low, has caused very serious "white pollution", not only has an impact on the vision, but more importantly, it has also had a great impact on the living environment. Therefore, the research and development of environmentally friendly materials has become a research hots...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L33/12C08L23/12C08K13/02C08K3/36C08K5/12C08K5/13B29C47/92B29C48/92
CPCC08L67/04B29C48/92B29C2948/9259B29C2948/92704C08K2201/014C08L2201/06C08L2205/02C08L2205/035C08L33/12C08L23/12C08K13/02C08K3/36C08K5/12C08K5/13
Inventor 彭孝茹
Owner SUZHOU FAST INFORMATION TECH CO LTD
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