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Fiber-reinforced resin composition, resin molded product containing the same, electrophotograph forming apparatus, and exterior component

A technology of fiber-reinforced resin and resin molding, which can be applied to color TV parts, TV system parts, electrical components, etc., and can solve the problems of undeveloped impact-resistant fiber-reinforced resin composition and complicated manufacturing costs, etc.

Pending Publication Date: 2020-06-19
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the resin composite material of the above-mentioned Patent Document 2, it is necessary to open the above-mentioned cellulose fibers in order to treat the surface of the cellulose fibers as plant fibers with a silanol condensate, and there are complicated problems and increased production costs. The problem
Therefore, a fiber-reinforced resin composition that can be obtained at low cost and has improved impact resistance has not yet been developed.

Method used

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  • Fiber-reinforced resin composition, resin molded product containing the same, electrophotograph forming apparatus, and exterior component
  • Fiber-reinforced resin composition, resin molded product containing the same, electrophotograph forming apparatus, and exterior component
  • Fiber-reinforced resin composition, resin molded product containing the same, electrophotograph forming apparatus, and exterior component

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Embodiment

[0094] Hereinafter, although an Example is given and this invention is demonstrated in more detail, this invention is not limited to these Examples.

[0095] [Manufacture of fiber-reinforced resin moldings]

[0096]

[0097] As the resin, prepare 95% by mass of Sumitomo Noblen (registered trademark) grade W101 (hereinafter also referred to as "resin A") made of polypropylene as a thermoplastic resin, prepared by Sumitomo Chemical Co., Ltd., and prepare 5% by mass as the plant fiber. Tensell (registered trademark) (hereinafter also referred to as "plant fiber A") with a fineness of 1.7 dtex and a length of 4 mm manufactured by Renching Faibers Co., Ltd. was put into an injection molding machine (trade name: "J110AD", Japan Co., Ltd. Steel Works) was injected from the cylinder into the mold to obtain a resin molded product of Sample 1 composed of a test piece specified in JIS K 7110. In injection molding using the above injection molding machine, the temperature of the mold w...

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Abstract

A fiber-reinforced resin composition contains a resin and plant fibers dispersed in the resin. At least a part of the resin is in direct contact with at least a part of a surface of the plant fibers.Relation among sigmar, sigmarf, and sigmaf satisfies sigmar<sigmarf<sigmaf where sigmar represents tensile strength of the resin, sigmarf represents interfacial shear stress between the resin and theplant fibers, and sigmaf represents tensile strength of the plant fibers.

Description

technical field [0001] The present invention relates to a fiber-reinforced resin composition, a resin molded article containing the same, an electrophotographic forming device, and an exterior member for an electrophotographic forming device. All the contents described in Japanese Patent Application No. 2018-231536 filed on December 11, 2018 are incorporated herein by reference. Background technique [0002] Fiber-reinforced resin compositions are known to be light in weight and excellent in mechanical strength such as tensile strength, so they have been used in vehicles, ships, railway interior and exterior parts, housing equipment, office equipment, etc., and have been widely used in the past. Material. Among them, a natural fiber-reinforced resin composition in which mechanical properties are improved by compounding fibers (natural fibers) derived from natural products such as animals and plants with a resin has been proposed as a part of effective utilization of biomass...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08J5/04H04N5/225
CPCC08J5/045C08J2323/12H04N23/00C08K7/02G03G15/6502C08L23/12C08L2205/16C08J2497/00
Inventor 筱原洋平
Owner KONICA MINOLTA INC
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