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High-gloss antiscratch polypropylene masterbatch and preparation method and use thereof

A high-gloss, scratch-resistant technology, used in the field of polymer materials, can solve the problems of low melting point, brittleness, and small addition ratio of scratch-resistant agents, and achieve stable scratch-resistant performance, good mechanical properties, and uniform dispersion. Effect

Inactive Publication Date: 2012-01-04
GUANGDONG WAYLAM ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]1. Adding mineral fillers will not only make the material brittle, but also reduce the surface gloss of the material;
[0007]2. Add a small proportion of anti-scratch agent, the addition ratio is small, and the melting point of anti-scratch agent is low, it is easy to agglomerate during processing, and it is not easy to disperse Uniform, scratch resistance is unstable and fluctuates greatly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] Mix 80 g of PP resin S700, 10 g of silicone powder, 5 g of a 1:2 mixture of hindered phenolic antioxidant and thioester antioxidant, and 5 g of phosphite nucleating agent in a high-speed mixer, and then Extruded in a twin-screw extruder, pelletized masterbatch, mixed with S700 resin in a mixer at a ratio of 10:90, and injected into a standard sample. The key indicators of the test are as follows, and compared with the traditional way to compare:

[0026] traditional way 1 traditional way 2 This embodiment Gloss 70 75 85 Scratch resistance 0.7 1.0 0.4 shock 3.5 5 6

[0027] Remark:

[0028] 1. Gloss is obtained by using a gloss tester according to ASTM D523-89;

[0029] 2. Scratch resistance is based on the VW PV 3952 scratch method, and the color of the scratch is tested under the specified load. The lower the dL, the better the scratch resistance;

[0030] 3. The impact strength is tested according to ASTM D256 IZ...

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PUM

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Abstract

The invention discloses high-gloss antiscratch polypropylene masterbatch and a preparation method and use thereof. The high-gloss antiscratch polypropylene masterbatch consists of polypropylene homopolymer, silicone powder, nucleating agent and antioxygen. The high-gloss antiscratch polypropylene masterbatch disclosed by the invention and polypropylene can be directly mixed and injected, the obtained products have high gloss and can be used without agglomeration, the components of the products are dispersed uniformly, the antiscratch performance of the products is stable, and the antiscratch performance of the high-gloss antiscratch polypropylene masterbatch is much higher than that of polypropylene; meanwhile, the mechanical properties of products prepared by mixing and injection of the masterbatch and polypropylene are improved. Therefore, the high-gloss antiscratch polypropylene masterbatch has promotion and use values.

Description

Technical field [0001] The invention involves the field of polymer materials, which specifically involves a high -luster scratch -resistant scratch -resistant and preparation method and application method and application. Background technique [0002] In the small appliances and automobile industries, polypropylene is often needed to have a certain scratch resistance, and the scratch resistance of polypropylene produced by the petrochemical plant is quite poor.Now it is usually improved through the following ways: [0003] 1. Add a large proportion of mineral fillers to plastic. By increasing the surface hardness of the material, the scratch resistance performance of the material (traditional method 1); [0004] 2. Add a small proportion of scratch -resistant scratching agent, the scratch resistant quickly migrates to the surface of the material to improve the friction coefficient on the surface of the material, thereby increasing the scratch resistance of the material (tradition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L83/04C08K5/524C08J3/22
Inventor 胡琛皮正亮叶建华徐建辉刘广闻邓会成葛嘉宝
Owner GUANGDONG WAYLAM ENG PLASTICS
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