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A scratch-resistant reinforced PP plastic and preparation method thereof

A scratch-resistant and scratch-resistant agent technology, applied in the field of scratch-resistant reinforced PP plastic and its preparation, can solve the problems of toughness, poor low temperature and aging resistance, easy combustion, and large molding shrinkage rate, and achieves a good comprehensive performance, the effect of improving scratch resistance and strength

Active Publication Date: 2017-11-07
湖北瀚氏汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although PP has many advantages, it also has its shortcomings, mainly manifested in poor toughness, low temperature resistance, aging resistance, large molding shrinkage, and easy combustion. The compatibility of materials and inorganic fillers is poor, which limits the application as raw materials or special materials for injection molding, fiber, film and other products

Method used

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  • A scratch-resistant reinforced PP plastic and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Weigh each raw material (parts by weight): 100 parts of PP resin, 2 parts of graphite, 2 parts of calcium stearate, 10 parts of silicon dioxide, 0.2 part of coupling agent, 0.4 part of scratch-resistant agent, and 0.3 part of ultramarine blue.

[0038] Described coupling agent consists of 0.1 part of 3-acryloyloxypropylmethyldimethoxysilane and 0.1 part of 3-[(2,3)-glycidyloxy]propylmethyldimethoxysilane mixed.

[0039] The scratch resistance agent is prepared by mixing 0.2 parts of N,N-dimethyldodecamide and 0.2 parts of N,N-diethyldodecamide.

[0040] (1) Silica modification: Stir the silica and the coupling agent in a high-speed mixer at a temperature of 80°C for 20 minutes and mix evenly to obtain modified silica;

[0041] (2) Mix the modified silica, PP resin, graphite, calcium stearate, anti-scratch agent, and ultramarine blue evenly, and add them to the twin-screw extruder. The processing temperature of the twin-screw extruder is 240°C. The rotation speed is 35...

Embodiment 2

[0043] Scratch-resistant reinforced PP plastics were prepared according to the raw material ratio and method of Example 1, except that the coupling agent was 0.2 parts of 3-acryloyloxypropylmethyldimethoxysilane. The scratch-resistant reinforced PP plastic of Example 2 was obtained.

Embodiment 3

[0045] Scratch-resistant reinforced PP plastics were prepared according to the raw material ratio and method of Example 1, the only difference being that the coupling agent was 0.2 parts of 3-[(2,3)-glycidyloxy]propylmethyl di Methoxysilane. The scratch-resistant reinforced PP plastic of Example 3 was obtained.

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Abstract

The invention discloses a damage-resistant reinforced PP plastic and a preparation method thereof. The damage-resistant reinforced PP plastic is prepared from, by weight, 90-110 parts of PP resin, 1-5 parts of graphite, 1-5 parts of calcium stearate, 5-15 parts of silica, 0.1-0.5 parts of a coupling agent and 0.3-0.7 parts of a scratch resisting agent. The kinds and the amounts of an inorganic filler and the scratch resisting agent for improving the mechanical performances of the PP are preferably selected through a reasonable ratio, so the scratch resistance and the strength of the PP plastic are improved.

Description

technical field [0001] The invention relates to a plastic and a preparation method thereof, in particular to a scratch-resistant reinforced PP plastic and a preparation method thereof. Background technique [0002] Polypropylene (PP) has been widely used in various fields of packaging and daily life such as industry, agriculture, medical treatment, and hygiene. Because of its many sources of raw materials, low price, excellent material performance, good electrical insulation and chemical stability, it also has the advantages of easy processing and molding. Although PP has many advantages, it also has its shortcomings, mainly manifested in poor toughness, low temperature resistance, aging resistance, large molding shrinkage, and easy combustion. The compatibility of materials and inorganic fillers is poor, which limits the application as raw materials or special materials for injection molding, fiber, film and other products. Therefore, in order to expand the application fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08K13/06C08K9/06C08K3/36C08K3/04C08K5/098C08K5/20
CPCC08K3/04C08K3/36C08K5/098C08K5/20C08K9/06C08K13/06C08K2201/003C08K2201/011C08K2201/014C08L23/12
Inventor 陈斌张荣福印玲赵亚红陆一鸣
Owner 湖北瀚氏汽车零部件有限公司
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