Polyphenylene sulfide resin composition and molded product thereof

A technology of polyphenylene sulfide resin and poly-p-phenylene sulfide, which is applied in the field of polymer materials and can solve the problems of poor film-making stability and the like

Pending Publication Date: 2020-06-30
TORAY ADVANCED MATERIALS RES LAB CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when not mixed with poly-p-phenylene sulfide homopolymer, the film-forming stability is not good, and at the same time, the strength of the film formed by the poly-p-phenylene sulfide-m-phenylene sulfide copolymer is lower than that of poly-p-phenylene sulfide Homopolymer, not suitable for injection molding into cooling water of automobiles, antifreeze circulation system and other molded products with certain strength requirements that are in contact with water and other liquids for a long time

Method used

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  • Polyphenylene sulfide resin composition and molded product thereof
  • Polyphenylene sulfide resin composition and molded product thereof
  • Polyphenylene sulfide resin composition and molded product thereof

Examples

Experimental program
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Effect test

Embodiment 1-6

[0085] The raw materials are as shown in Table 1. The TEX30α twin-screw extruder (L / D=45.5) manufactured by Japan Steel Corporation is used for granulation. The extruder has 13 heating zones and two sets of feeding devices with measuring instruments. And with vacuum exhaust equipment. Except for glass fiber, after mixing other raw materials, add it from the main feed port of the extruder, and add glass fiber from the side feed port of the extruder. The temperature of the extruder is set to 200℃-330℃, after melting and extruding , Cooling and pelletizing to obtain a pelletized polyphenylene sulfide resin composition; after drying the pellets in an oven at 130°C for 3 hours, use the NEX50 injection molding machine manufactured by Nissei Plastic Industry Co., Ltd. to mold at a molding temperature of 330°C and a mold temperature of 130°C The conditions of injection molding into ISO standard sample (the size of the sample mould is 10mm wide×4mm thick), and the performance test is ca...

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Abstract

The present invention relates to a polyphenylene sulfide resin composition comprising 5-150 parts by mass of an inorganic filler with relative to 100 parts by mass of a polyphenylene sulfide-m-phenylene sulfide random copolymer. The composition has excellent heat and humidity resistance, can maintain very high mechanical strength under the condition of long-term contact with water, and thus, is especially suitable for injection molding of cooling water, anti-freezing solution circulation systems and other products in long-term contact with water and other liquids of automobiles and the like.

Description

Technical field [0001] The invention relates to the field of polymer materials, in particular to a polyphenylene sulfide resin composition and a molded product thereof. Background technique [0002] Polyphenylene sulfide resin (PPS) has excellent fluidity, high temperature resistance, corrosion resistance, flame retardancy, balanced physical and mechanical properties, excellent dimensional stability and excellent electrical properties, so it is widely used in electrical , Electronic parts or auto parts and other fields. In recent years, with the widespread use of polyphenylene sulfide resin materials in the cooling water and antifreeze circulation systems of automobiles, etc., it is further required to have excellent water resistance and humidity and heat resistance. [0003] In this regard, Patent Document 1 (Japanese Laid-open No. 2018-141149) discloses a resin composition containing poly(p-phenylene sulfide) and an inorganic filler, which improves the metal sodium atom in the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08K13/04C08K7/14C08K3/26C08K3/04C08K5/5435
CPCC08K3/04C08K3/26C08K5/5435C08K7/14C08K13/04C08K2003/265C08L2201/08C08L81/02
Inventor 赵宸胄汤先文加藤公哉松田政胡平
Owner TORAY ADVANCED MATERIALS RES LAB CHINA
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