Unsaturated polyester-flexible polymer network composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with either...

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525119, 525122, 525531, 525533, 525942, 528297, C08L 6300

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active

053627997

ABSTRACT:
An unsaturated polyester resin composition is described that contains an amine-terminated flexible polymer that can react with the unsaturation in the polyester. A compatible system results that has higher fracture toughness. The preferred amine-terminated flexible polymer is an amine-terminated poly(butadiene-co-acrylonitrile). The resin composition can be extended with fillers and reinforced with fibers. In these applications, the resin is known as a matrix resin.

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