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Long fiber reinforced polypropylene/PPE alloy material and its prepn and application

A technology of alloy materials and long fibers, which is applied in the field of polypropylene/polyphenylene ether alloy materials, can solve the problems of limited application and low mechanical properties, and achieve the effects of reducing classification work, improving application range, and good dimensional stability

Inactive Publication Date: 2004-11-24
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved in the present invention is to provide a long-fiber reinforced polypropylene / polyphenylene ether alloy material and its preparation method and application, so as to overcome the defects in the prior art that the mechanical properties are not high enough to limit its application

Method used

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  • Long fiber reinforced polypropylene/PPE alloy material and its prepn and application
  • Long fiber reinforced polypropylene/PPE alloy material and its prepn and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The glass fiber is made into a polyphenylene ether prepreg by a powder impregnation process, and heated and cured at 230°C, and then the prepared prepreg is directly passed through the spiral coating die of a single-screw extruder, extruded The melt in the machine is polypropylene resin, mixed with antioxidant 1010 (tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester) and compatibilizer maleic anhydride, and finally cut the extruded continuous glass fiber reinforced polypropylene / polyphenylene ether alloy material into 9mm pellets with a pelletizer.

[0039] The specific components are as follows:

[0040] Polypropylene resin 400

[0041] Polyphenylene ether resin 200

[0042] Continuous glass fiber 400

[0043] Antioxidant 1010 5

[0044] Maleic anhydride 5

[0045] Its properties are listed in Table 1.

Embodiment 2

[0047] The continuous glass fiber is passed through the melt impregnation tank, the melt in the tank is polypropylene and polyphenylene ether resin, and mixed with antioxidant 1010 (tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl ) propionic acid] pentaerythritol ester) and compatibilizer SMA (styrene-maleic anhydride random copolymer), and finally cut the extruded continuous glass fiber reinforced polypropylene / polyphenylene ether alloy material into 9mm with pelletizer of pellets.

[0048] The specific components are as follows:

[0049] Polypropylene resin 400

[0050] Polyphenylene ether resin 200

[0051] Continuous glass fiber 400

[0052] Antioxidant 1010 5

[0053] SMA (styrene-maleic anhydride random copolymer) 20

[0054] Its properties are listed in Table 1.

Embodiment 3

[0056] The continuous glass fiber is passed through the melt impregnation tank, the melt in the tank is polypropylene and polyphenylene ether resin, and mixed with antioxidant 1010 (tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl ) propionic acid)] pentaerythritol ester) and compatibilizer SEBS (styrene-ethylene-butylene-styrene block copolymer), and finally the continuous glass fiber reinforced polypropylene / polyphenylene ether The alloy material was cut into 9mm pellets. The glass fiber content is controlled at about 30%.

[0057] The specific components are as follows:

[0058] Polypropylene resin 200

[0059] Polyphenylene ether resin 500

[0060] Continuous glass fiber 300

[0061] Antioxidant 1010 5

[0062] SEBS 20

[0063] Its properties are listed in Table 1.

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Abstract

The long fiber reinforced polypropylene / PPE alloy material has oriented fibers in the length over 4 mm and in netted configuration, and thus greatly raised shock resistance, rigidity, creeping resistance and size stability. What is more important is that the material may be mixed with many kinds of other material and thus has wide application range. The material may be prepared through powder soaking process, smelting soaking process, etc. The long fiber reinforced polypropylene / PPE alloy material of the present invention has excellent tensile, bending and anti-shocking performance, and may be used in manufacturing automobile part, pipe, valve part, electric tool, etc.

Description

technical field [0001] The invention relates to a continuous long fiber reinforced thermoplastic material, especially a continuous long fiber reinforced polypropylene / polyphenylene ether alloy material. Background technique [0002] Polypropylene has the characteristics of high heat resistance, good electrical insulation, low water absorption, good fluidity, easy molding, good fatigue resistance and bending, chemical stability, etc., but poor rigidity, large molding shrinkage, unstable dimensions, and Since polypropylene is non-polar and incompatible with ABS, PBT and other materials, it is prone to stratification when mixed, which limits its wide application and is not conducive to the recycling and reuse of materials. Polyphenylene ether has the characteristics of stable size, good electrical properties, excellent mechanical strength, and is polar. It can be mixed with ABS, PS, PA, PBT and other materials, but it is easy to swell and stress crack, and has poor melt fluidit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/04C08K7/02C08L23/12C08L71/12
Inventor 杨桂生李宏秦庆戊陆学兴
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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