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US4898964A Additives for synthetic resins 失效
合成树脂添加剂

Additives for synthetic resins
摘要:
An additive for synthetic resins includes a [liquid rubber]/[polyester] block copolymer comprising block liquid rubber compound parts and block polyester parts as constituent segments. One or more of these polyester blocks are connected to each one of the polydiene block parts through ester bond.
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