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High-performance modified plastic

A high-performance, modified technology, applied in the field of plastic production, can solve the problems of physical and mechanical properties decline, poor impact resistance, high brittleness, etc., to improve impact strength and heat aging resistance, simple production process, excellent heat resistance The effect of stability

Inactive Publication Date: 2015-12-02
JIESHOU SHENFA RAIN BOOT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] General polyvinyl chloride plastics on the market have a small degree of branching, a relative density of about 1.4, a glass transition temperature of 77~90°C, and begin to decompose at about 170°C. They have poor stability to light and heat. When exposed to sunlight, it will decompose to produce hydrogen chloride, and further autocatalyze the decomposition, causing discoloration, rapid decline in physical and mechanical properties, greater brittleness and poor impact resistance, etc. These shortcomings limit its application.

Method used

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  • High-performance modified plastic

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Embodiment Construction

[0012] A high-performance modified plastic, made of the following components by weight: 40 parts of polyvinyl chloride, 20 parts of polypropylene, 30 parts of acrylic resin, 8 parts of aluminum powder, 6 parts of turpentine rock, 5 parts of diatomaceous earth, 3 parts of dispersant, 2 parts of heat stabilizer, 2 parts of plasticizer.

[0013] Further, the aluminum powder is calcined aerobically at 200°C.

[0014] Further, the dispersant is sodium hexametaphosphate.

[0015] Further, the heat stabilizer is lead dibasic phosphite.

[0016] Further, the plasticizer is citrate.

[0017] Further, the pitch rock is modified: dissolving triisopropyl aluminate in liquid paraffin to prepare triisopropyl aluminate with a concentration of 3-5%, then adding dried pitch rock, and grinding for 1 After -1.5 hours, keep the temperature at 100°C for 30 minutes, cool to room temperature, filter and dry.

[0018] Further, the diatomite is modified: soak the diatomite in 5% hydrochloric acid ...

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Abstract

The invention discloses high-performance modified plastic. The high-performance modified plastic is prepared from the following components: polyvinyl chloride, polypropylene, acrylic resin, aluminum powder, pitchstone, diatomite, a dispersant, a heat stabilizer and a plasticizing agent. The high-performance modified plastic provided by the invention overcomes defects in the prior art, and has the following advantages: (1), the impact strength and the thermal aging resistance of the plastic are mainly improved by adding modified pitchstone and diatomite into the plastic; (2) the heat resistance of the plastic is further improved by adopting aluminum powder subjected to high temperature processing; (3) the high-performance modified plastic is simple in production technology, low in cost, and excellent in heat stability.

Description

technical field [0001] The invention relates to the field of plastic production, in particular to a high-performance modified plastic. Background technique [0002] General polyvinyl chloride plastics on the market have a small degree of branching, a relative density of about 1.4, a glass transition temperature of 77~90°C, and begin to decompose at about 170°C. They have poor stability to light and heat. When exposed to sunlight, it will decompose to produce hydrogen chloride, and further autocatalytically decompose, causing discoloration, rapid decline in physical and mechanical properties, greater brittleness and poor impact resistance, etc. These shortcomings limit its application. Contents of the invention [0003] The purpose of this invention is to provide a kind of high-performance modified plastics, realize through the following technical solutions: [0004] A high-performance modified plastic, made of the following components by weight: 40 parts of polyvinyl chlo...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L23/12C08L33/00C08K13/06C08K9/00C08K9/04C08K9/02C08K3/08C08K3/34C08K3/32
Inventor 申少进
Owner JIESHOU SHENFA RAIN BOOT CO LTD
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