A polyphenylene ether resin composition comprises a polyphenylene ether resin matrix and dispersed therein as heat stabilizer a phosphonic acid or derivative thereof of the formula
wherein R1 represents an unsubstituted or substituted phenyl or naphthyl group, or a linear or branched alkyl group of 1 to 18 carbon atoms, or a group of the formula (a)
R2 and R3 are the same or different and each represents hydrogen atom, a metal, an unsubstituted or substituted phenyl group, or an alkyl group of 1 to 10 carbon atoms and R4 is a divalent hydrocarbon group of 2 to 10 carbon atoms.
一种聚苯醚
树脂组合物,包括聚苯醚
树脂基体和分散在其中的作为热稳定剂的 式中的
膦酸或其衍
生物
其中 R1 代表未取代或取代的苯基或
萘基,或 1 至 18 个碳原子的直链或支链烷基, 或式(a)的基团
R2 和 R3 相同或不同,各自代表氢原子、
金属、未取代或取代的苯基或 1 至 10 个碳原子的烷基,R4 是 2 至 10 个碳原子的二价烃基。