申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0641822A1
公开(公告)日:1995-03-08
The present invention provides a thermoplastic resin composition improved in stability at the time of processing which comprises (a) 100 parts by weight of a polyphenylene ether resin and (b) 0.001-15 parts by weight of at least one 4-amino-2,2,6,6-tetramethylpiperidyl compound represented by the following formula (I) or (II):
wherein R₁ represents a hydrogen atom, an oxygen atom (oxy radical), a hydroxyl group, an alkyl group, a cycloalkyl group, an allyl group, a benzyl group, an aryl group, an alkanoyl group, an alkenoyl group, an alkyloxy group or a cycloalkyloxy group;
R₂ represents a hydrogen atom, an alkyl group or
where X represents a direct bond, -O- or -NH-, R₄ represents a direct bond, a straight or branched alkylene group, an alkylidene group or an arylene group, R₅ represents a hydrogen atom, an alkyl group, an aryl group,
or
nrepresents an integer of 1 to 4,
prepresents an integer of 2 to 6, and
R₃represents an n valent organic group or a hydrogen atom.
本发明提供了一种在加工时稳定性更好的热塑性树脂组合物,它包括(a)100 重量份的聚苯醚树脂和(b)0.001-15 重量份的至少一种由下式(I)或(II)代表的 4-氨基-2,2,6,6-四甲基哌啶化合物:
其中 R₁ 代表氢原子、氧原子(氧自由基)、羟基、烷基、环烷基、烯丙基、苄基、芳基、烷酰基、烯酰基、烷氧基或环烷氧基;
R₂ 代表一个氢原子、一个烷基或
其中 X 代表直接键、-O- 或-NH-,R₄ 代表直接键、直链或支链亚烷基、亚烷基或亚芳基,R₅ 代表氢原子、烷基或芳基、
或
n 代表 1 至 4 的整数、
代表 2 至 6 的整数,以及
R₃ 代表正价有机基团或氢原子。