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Molded article and method for producing same

A manufacturing method and technology of molded objects, applied to the field of molded objects and their manufacture, can solve the problems of increased installation space, increased cost, and more raw materials used, and achieve the effect of increasing the degree of freedom in design and reducing man-hours

Inactive Publication Date: 2019-11-22
TOYOTA BOSHOKU KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in ensuring the strength due to the increase in thickness, more raw materials are used, which leads to an increase in cost, and the problems of weight increase and installation space increase in automotive products, etc., cannot meet the expectations of low fuel consumption and space saving.

Method used

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  • Molded article and method for producing same
  • Molded article and method for producing same
  • Molded article and method for producing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0161] Hereinafter, the present invention will be specifically described based on examples.

[0162] [1] Preparation of thermoplastic resin composition

[0163] (1) The thermoplastic resin composition of Example 1

[0164] After dry mixing the following polyamide resin pellets and the following modified elastomer pellets, they were put into a twin-screw melting and kneading extruder, and melted and kneaded at a kneading temperature of 210°C. pellet machine to obtain pellets formed by melt kneading of polyamide resin and modified elastomer. Furthermore, the above-mentioned pellets (pellets formed by melting and kneading a polyamide resin and a modified elastomer) were dry-blended with pellets of the following polyolefin resin, and then put into a twin-screw melt-kneading extrusion Melt kneading at a kneading temperature of 210° C. using a pelletizer to obtain pellets made of a thermoplastic resin composition.

[0165] The compounding ratio of the polyolefin resin, the polyam...

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Abstract

The present invention addresses the problem of providing: a molded article equipped with a repeatedly movable part having both of fatigue resistance and mechanical strength; and a method for producinga molded article, whereby it becomes possible to improve the flexibility of designing of a mold and the flexibility of the shape of the molded article and also it becomes possible to reduce the number of steps. The molded article is equipped with a repeatedly movable part 15 which can be bent or curved repeatedly, wherein the repeatedly movable part 15 is formed from a thermoplastic resin composition containing a polyolefin resin, a polyamide resin and a modified elastomer having a group reactive with the polyamide resin. The method is a method for producing a molded article equipped with a repeatedly movable part that can be bent or curved repeatedly, said method being characterized in that a thermoplastic resin composition containing a polyolefin resin, a polyamide resin and a modifiedelastomer having a group reactive with the polyamide resin is used as a molded material for the repeatedly movable part.

Description

technical field [0001] The invention relates to shaped bodies and methods for their production. In more detail, it is related with the molded object which has a repeating movable part, and its manufacturing method. Background technique [0002] In recent years, for example, a resin product in which a hinge is integrally molded with other parts is known. Specifically, there can be mentioned a resin product having a hinge connecting the container and the lid, and the hinge is integrally formed with the container and the lid. Among such resin products, polyolefin resins of hinge-moldable grades in which fatigue resistance and moldability are obtained in a relatively balanced manner are often used. [0003] In addition, the following patent documents 1-4 are known as a mixed resin containing a polyolefin resin and a polyamide resin. [0004] prior art literature [0005] patent documents [0006] Patent Document 1: Japanese Patent Laid-Open No. 2013-147645 [0007] Patent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/00C08J5/02C08L23/00C08L23/26C08L25/08C08L53/02C08L77/00
CPCC08L23/12C08L2205/03C08L2207/02C08L77/00C08L51/06C08L23/26C08L53/02C08J5/00C08L101/00C08L23/0815C08L23/14C08L25/08C08L23/00C08J5/02C08J2323/26C08J2325/08C08J2377/00
Inventor 鬼头雅征下方广介酒向慎贵高桥吾朗
Owner TOYOTA BOSHOKU KK
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