申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0326223A2
公开(公告)日:1989-08-02
Stabilized copolymer compositions comprising an alternating copolymer of carbon monoxide and an olefinically unsaturated compound and from 0.03 to 3.0 %w of a sterically hindered phenolic (blend) compound selected from:
1) bis- and tris-phenolic alkanes,
2) tris-phenolic (alkyl)benzenes,
3 tris-phenolic cyanurates,
4) symmectrical diesters of hydroxyphenyl substituted aliphatic monocarboxylic acids and N,N′-bis(hydroxyalkyl)oxalamide,
5) blends comprising on the one hand specific defined phenolic compounds, and on the other hand aromatic amines and/or compounds of general formula
R¹OOC-(CH₂)p-S-(CH₂)q-COOR² in which p, q, R¹ and R² have defined meanings.
稳定共聚物组合物,包括一氧化碳和烯烃不饱和化合物的交替共聚物,以及 0.03% 至 3.0%w 的立体受阻酚(混合物)化合物,这些化合物选自以下物质:
1) 双酚和三酚烷烃、
2) 三酚类(烷基)苯
3) 三酚类氰尿酸盐
4) 羟苯基取代脂肪族一羧酸和 N,N′-双(羟烷基)草酰胺的对称二酯、
5) 一方面包括特定定义的酚类化合物,另一方面包括芳香胺和/或通式为
R¹OOC-(CH₂)p-S-(CH₂)q-COOR²,其中 p、q、R¹ 和 R² 具有定义的含义。