C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/300, 402/408
C08F 212/08 (2006.01) C08F 212/04 (2006.01) C08F 212/10 (2006.01) C08F 220/02 (2006.01) C08F 220/44 (2006.01)
Patent
CA 2027587
ABSTRACT A styrene copolymer which comprises a styrene repeating unit (a) represented by the general formula (I): Image ... (I) and an acrylonitrile repeating unit (b) represented by the general formula (II-(b)): Image ... (II-(b)) unsaturated carboxylic acid or its ester repeating unit (c) represented by the general formula (II-(c)): Image ... (II-(c)) or maleimide or N-substituted maleimide (d) represented by the general formula (II-(d)): ... (II-(d)) Image (in the formula, symbols are the same as defined in the specification) wherein stereoregularity of the styrene repeating unit (a) chain is a high degree of syndiotactic configuration is disclosed. - 54 -
Kuramoto Masahiko
Tazaki Toshinori
Idemitsu Kosan Co. Ltd.
Smart & Biggar
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