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,-Unsaturated schiff-base chain extension reactions for high temperature polymers
,-Unsaturated schiff-base chain extension reactions for high temperature polymers
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机译:高温聚合物的不饱和席夫碱扩链反应
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摘要
This invention provides compositions containing thermally stable prepolymers with azadiene end groups, and compositions containing such prepolymers in combination with dienophiles and the chain-extended and cross-linked polymers obtained from these systems.PP The combination of such prepolymers with dienophiles facilitates processing of the prepolymer resin by lowering the softening and curing temperatures under processing conditions.
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