Alternating copolymers, a process for their preparation, and...

C - Chemistry – Metallurgy – 08 – F

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C08F 2/02 (2006.01) A61K 47/32 (2006.01) C08F 134/00 (2006.01) C08F 134/02 (2006.01) C08F 226/00 (2006.01) C08G 18/72 (2006.01) C08J 3/24 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2017986

Mo3371 ALTERNATING COPOLYMERS, A PROCESS FOR THEIR PREPARATION, AND A METHOD OF USE THEREOF ABSTRACT OF THE DISCLOSURE The invention relates to alternating copolymers having the formula Image or Image wherein one of R1, R2, and R3 in each repeating unit is hydrogen and the others of R1, R2, and R3 in each repeating unit are CN or COOR5, wherein R5 is C1-C8 alkyl; and n is from 10 to 5,000. This invention further relates to a process for preparing such alternating copolymers by copolymerization of appropriate alkenyl isocyanates and electron deficient olefins. Le A 26 807

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