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Fiber-reinforced thermoplastic resin composition and process for producing fiber-reinforced thermoplastic resin composition

A thermoplastic resin and thermoplastic polymer technology, applied in the field of fiber-reinforced thermoplastic resin compositions, can solve the problems of poor productivity and poor appearance of molded products, and achieve the effects of increased productivity, improved processability, and high elastic modulus

Inactive Publication Date: 2013-04-10
DAIMARU SANGYO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the problems of fiber dispersion and chemical bonding between fibers and the matrix, sufficient performance may not be exhibited, or the productivity and appearance of molded products are poor due to processability problems, so the industrial application field is limited to specific field

Method used

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  • Fiber-reinforced thermoplastic resin composition and process for producing fiber-reinforced thermoplastic resin composition
  • Fiber-reinforced thermoplastic resin composition and process for producing fiber-reinforced thermoplastic resin composition
  • Fiber-reinforced thermoplastic resin composition and process for producing fiber-reinforced thermoplastic resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 4

[0099] Example 4 uses the same material as in Example 3, but the silica 1 of component (c) is increased from 40 parts by weight to 80 parts by weight.

Embodiment 5

[0100] Example 5 used the same materials as in Examples 1 to 3, but the silica 1 of the component (c) was increased to 100 parts by weight, and the nylon 6 of the component (d) was increased to 250 parts by weight.

Embodiment 6

[0101] In Example 6, it carried out similarly to Example 3 except having used PP "Prime Polymer Co., Ltd. polypropylene J704UG, MFR5g / 10min" as a component (a).

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Abstract

Provided are a fiber-reinforced thermoplastic resin composition excellent in terms of dispersion property, moldability, rigidity, and reinforcing property and a process for producing the resin composition. This fiber-reinforced thermoplastic resin composition comprises (a) 100 parts by weight of a polyolefin (5), (b) 10-600 parts by weight of a rubbery polymer (7) having a glass transition temperature of 0 C or lower, (c) 10-500 parts by weight of spherical silica (3) having an average particle diameter of 1 [mu]m or less and a water content of 1,000 ppm or less, (d) 1-400 parts by weight of ultrafine fibers of a thermoplastic polymer (1) having amide groups in the main chain, and (e) 0.1-20 parts by weight of a silane coupling agent, wherein the ingredient (d) has been dispersed as ultrafine fibers having an average diameter of 1 [mu]m or less in a matrix comprising the ingredients (a), (b), and (c), and the ingredients (a), (b), (c), and (d) have been chemically bonded through the ingredient (e).

Description

technical field [0001] The present invention relates to a fiber-reinforced thermoplastic resin composition in which a thermoplastic polymer having an amide group in a main chain is dispersed in a matrix including rubber, polyolefin, and silica, and a method for producing the same. Background technique [0002] In order to improve the elastic modulus and strength of rubber and resin, the technology of blending carbon fiber, glass fiber, or organic fiber with high elastic modulus is widely used. For example, blending chopped fibers such as cellulose fibers with aramid. However, due to the problems of fiber dispersion and chemical bonding between fibers and the matrix, sufficient performance may not be exhibited, or the productivity and appearance of molded products are poor due to processability problems, so the industrial application field is limited to specific field. [0003] Patent Document 1, Patent Document 2, and Non-Patent Document 1 disclose a combination of polyolef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00B29B7/90C08K3/36C08K5/54C08L21/00C08L23/00B29K23/00B29K105/14
CPCC08K5/54C08L21/00C08L23/06C08L23/16C08L15/005B29B7/7495C08K3/36C08L23/00C08L77/02C08L77/00C08L7/00C08L9/00C08L9/02C08L23/12
Inventor 栗原秀夫山口将司筑田宪明
Owner DAIMARU SANGYO
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