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Polymer engineering plastic and preparation method and applications thereof

A technology of engineering plastics and polymers, applied in the chemical industry, can solve the problems of high bending degree and flexural modulus, low thermal deformation temperature of polymer engineering plastics, high tensile strength of polymer engineering plastics, etc., to achieve bending and bending The effect of high modulus, excellent thermal stability, and excellent wear resistance

Inactive Publication Date: 2018-01-12
郭兆来
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the thermal deformation temperature of the existing polymer engineering plastics is not high, to provide a polymer engineering plastic and its preparation method and application, so as to obtain high thermal deformation temperature and better mechanical properties. Molecular engineering plastic, the polymer engineering plastic has high tensile strength, high bending degree and flexural modulus, impact resistance and wear resistance, and is suitable for building material products

Method used

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  • Polymer engineering plastic and preparation method and applications thereof
  • Polymer engineering plastic and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Weigh each raw material in parts by weight, weigh 48 parts of polypropylene, 4.5 parts of antioxidant and 1 part of composite material and mix evenly to obtain a mixture; then weigh 3 parts of compatibilizer, 6 parts of talcum powder and 2.5 parts of toughening agent 34 parts of nano-silica 1 / 6000-25000 fineness and 8 parts of glass fiber were mixed uniformly, then added the mixed material and stirred Mix evenly to obtain the mixed total material, and then extrude the mixed total material through a twin-screw machine, injection molding or pressure injection, and then inject the material after injection molding or pressure injection under vacuum conditions (in the mold, under vacuum conditions). Gamma ray irradiation, that is.

Embodiment 2

[0043] Weigh each raw material in parts by weight, weigh 54.4 parts of polypropylene, 2 parts of antioxidant and 4.5 parts of composite material and mix evenly to obtain a mixture; then weigh 2 parts of compatibilizer, 5 parts of talcum powder and 1 part of toughening agent 30 parts of nano-silica 1 / 6000-25000 fineness and 11 parts of glass fiber were mixed uniformly, then added the mixed material and stirred Mix evenly to obtain the mixed total material, and then extrude the mixed total material through a twin-screw machine, injection molding or pressure injection, and then inject the material after injection molding or pressure injection under vacuum conditions (in the mold, under vacuum conditions). Gamma ray irradiation, that is.

Embodiment 3

[0045] Weigh each raw material in parts by weight, weigh 47 parts of polypropylene, 1 part of antioxidant and 3 parts of composite material and mix evenly to obtain a mixture; then weigh 2 parts of compatibilizer, 5 parts of talcum powder and 1 part of toughening agent 1 / 6000-25000 fineness of nano-silica and 10 parts of glass fiber and mix uniformly, then add the mixed material and stir Mix evenly to obtain the mixed total material, and then extrude the mixed total material through a twin-screw machine, injection molding or pressure injection, and then inject the material after injection molding or pressure injection under vacuum conditions (in the mold, under vacuum conditions). Gamma ray irradiation, that is.

[0046] The polymer engineering plastics prepared in Example 1-3 were placed at a high temperature of 120°C for 6 hours, and the polymer engineering plastics produced had no obvious deformation; then the polymer engineering plastics prepared in Examples 1-3 were place...

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Abstract

The invention relates to a polymer engineering plastic and a preparation method and applications thereof. The polymer engineering plastic comprises the following raw materials in parts by weight: 40 to 70 parts of nano silica with fineness of 1 / 6000-25000, 5 to 10 parts of talcum powder, 30 to 60 parts of crosslinking agent, 1 to 5 parts of antioxidant, 1 to 5 parts of composite material, 2 to 5 parts of compatilizer, 1 to 3 parts of flexibilizer, and 8 to 20 parts of glass fiber. The preparation method comprises following steps: weighing raw materials according to a proper weight ratio, stirring and mixing, and finally carrying out injection molding or press injection. The polymer engineering plastic is used to produce industrial products. The polymer engineering plastic has the advantages of resistance to high temperature and low temperature, high tensile strength, high bending degree, high bending modulus, and resistance to impact and wear, and is suitable for being applied to construction materials.

Description

technical field [0001] The invention belongs to the field of chemical engineering, and in particular relates to a polymer engineering plastic and its preparation method and application. Background technique [0002] Due to specific properties such as thermal stability, impact resistance and tensile strength, polymer engineering plastics are widely used in various high-performance applications, and have a tendency to gradually replace existing metal materials. Polymer engineering plastics have been widely used in automobiles, electronics, aerospace, construction, military and many other fields. [0003] However, the heat distortion temperature of existing polymer engineering plastics is not high, the degree of curvature and flexural modulus are not high, and they cannot withstand low temperature, high temperature, impact and wear; in order to solve this problem, many high Molecular engineering plastics use calcium carbonate to improve their impact resistance, but the polymer...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08L77/02C08K13/04C08K7/14C08K3/34C08K3/36C08J3/28
Inventor 郭兆来
Owner 郭兆来
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