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Stabilized polyphenylene ether resin composition

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专利汇可以提供Stabilized polyphenylene ether resin composition专利检索,专利查询,专利分析的服务。并且PURPOSE: To obtain a stabilized polyphenylene ether resin composition having especially improved heat stability and color tone, by blending a polyphenylene ether resin with a specific amount of an alkali metal salt of a specific sulfur- containing compound.
CONSTITUTION: (A) A polyphenylene ether resin shown by the formula (R
1 and R
2 are 1W4C alkyl or halogen: n is degree of polymerization), having preferably 0. 35W0.7Sdl/g intrinsic viscosity, especially 0.4W0.7dl/g intrinsic viscosity, especially preferably a poly(2,6-dimethyl-1,4-phenylene)ether or a composition of the resin and a polystyrene resin is blended with (B) 0.001W1wt.%, preferably 0.002W0.2wt.% alkali metal salt (preferably sodium salt or potassium salt) of a sulfur-containing compound selected from sulfurous acid, hydrogensulfite, hyposulfurous acid and dithionous acid and arbitrarily another stabilizer, etc., to give a stabilized composition.
COPYRIGHT: (C)1989,JPO&Japio,下面是Stabilized polyphenylene ether resin composition专利的具体信息内容。

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