Novel PPS composite material

Abstract

The invention relates to a novel PPS composite material, comprising the following raw materials in percentage by weight: 40-50% of polyphenylene sulfide, 0.1-1% of a coupling agent, 0.1-3% of calciumstearate, 0.1-3% of propylene oxide, 0.1-3% of dimethylethanolamine and 40-60% of a continuous long fiber reinforcer. The novel PPS composite material has the characteristics of impact resistance, heat resistance and high strength.

Description

technical field [0001] The invention belongs to the technical field of material science, and in particular relates to a novel PPS composite material. Background technique [0002] The automobile water pump is an important part of the engine cooling system. Its function is to pump the coolant so that the coolant can flow quickly in the cooling channel of the engine to take away the heat generated when the engine is working and maintain the normal operating temperature of the engine. The water pump used in the automobile engine is a centrifugal water pump, which is composed of a casing, an impeller, a bearing, a pump shaft, a water seal, and a transmission pulley. The impeller is an important part of the water pump. At present, the materials used for the impeller of the automobile engine cooling water pump are mainly cast iron, steel plate or aluminum alloy, each with its own characteristics and shortcomings. Cast iron impellers are the most commonly used impellers, which are...

AI Technical Summary

Problems solved by technology

The disadvantage of this invention is that the 30-50% glass fiber reinforced PPS used is melted and mixed in a twin-screw extruder. Due to the shearing effect of the twin-screw, the length of the glass fiber is relatively short, only 0.3-0.5mm, which is not suitable for PPS materials. The toughening effect of the impeller is not ideal, resulting in the rigidity of the impeller to be improved