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US4473686A Block copolymers 失效
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Block copolymers
摘要:
A block copolymer is produced fromI. 1 to 60% by weight of at least one telechelic diene polymer containing terminal carbonate ester, --OH--, --NH.sub.2 --, carboxylic acid or carboxylic acid ester groups and having a molecular weight M.sub.n of from about 400 to 1300, andII. 99 to 40% by weight of at least one polyamide or polyamide-forming component.
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