C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/3037
C08G 63/00 (2006.01) C08G 18/42 (2006.01) C08G 18/62 (2006.01) C08G 18/69 (2006.01) C08G 59/02 (2006.01) C08L 67/06 (2006.01)
Patent
CA 1305570
ABSTRACT OF THE DISCLOSURE An additive for synthetic resins contains a block copolymer having as its constituent segments both polyester part obtainable by ring-opening polymerization of .epsilon.-aliphatic lactone and polydiene compound part. One or more of these polyester parts are connected to the polydiene compound part through ester bond and at least one of these polyester parts has at its end a reactive group such as vinyl group, epoxy group, isocyanate group or carboxyl group.
551230
Imamura Shigeru
Kinoshita Mitsuo
Matsueda Hirokazu
Smart & Biggar
Takemoto Yushi Kabushiki Kaisha
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