Metallocene polyolefin tenacity-increased profax resin composition

A metallocene polyolefin and polypropylene resin technology, which is applied in the field of metallocene polyolefin toughened polypropylene resin composition, can solve the problems of complex process, poor material fluidity, high cost, etc., and achieve good toughness, low cost, Good processing performance

Inactive Publication Date: 2006-05-03
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has high cost, complex

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example

[0030] Examples 1 and 2:

[0031] Polypropylene adopts homopolypropylene and copolymer polypropylene resins imported from South Korea, metallocene polyolefin adopts MPE imported from Japan and American POE, compatibilizer is CMG9801 from Shanghai Rizhisheng Company, and antioxidant is 168 from CIBA And 1010, the lubricant uses calcium stearate.

[0032] raw material name

[0033] Put all the raw material components into a high-mixer in proportion to mix for 4 minutes, discharge the material, and then extrude and granulate with a screw extruder. The processing temperature is 200°C and the screw rotation speed is 250 rpm.

[0034] Performance comparison of sample 1 and sample 2 prepared according to embodiment 1 and embodiment 2 and the product toughened with ethylene propylene rubber

[0035] Item

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PUM

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Abstract

The invention relates to a metallocene polyolefin tenacity-increased profax resin composition comprising raw materials of the following constituents (by weight proportion): polypropylene 60-85%, metallocene polyolefine 5-30%, compatibilzer 5-10%, anti-oxidant 0.1-1% and lubricating agent 0.1-0.5%.

Description

technical field [0001] The invention relates to a metallocene polyolefin toughened polypropylene resin composition, which can be used to manufacture auto parts and electrical and electronic components, and belongs to the technical field of polypropylene modification. Background technique [0002] Polypropylene (PP) is cheap, light, corrosion-resistant, has good processability, good mechanical balance, wide application range, and has the best heat resistance among general-purpose resins. Polypropylene is widely used in the automotive industry, and its engineering tendency is very obvious. However, the toughness of polypropylene, especially the low-temperature impact toughness, is very poor, which limits its use. [0003] There are many ways to improve the toughness of polypropylene. The most researched is ethylene-propylene rubber toughened polypropylene, and HDPE and ethylene-propylene rubber synergistically toughened polypropylene. The dynamic vulcanization technology devel...

Claims

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Application Information

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IPC IPC(8): C08L23/12B29C47/36C08K5/11
Inventor 辛敏琦陈晓东杨涛唐倬吴小龙
Owner SHANGHAI SUNNY
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