Unsaturated polyester-epoxy resin network composition

Details Unsaturated polyester-epoxy resin network composition Unsaturated polyester-epoxy resin network composition

1992-04-27

1993-09-28

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 31, 525119, 525122, 525533, 525942, 528297, C08F28301, C08F28310

Patent

active

052487423

ABSTRACT:
A unsaturated polyester resin composition is described that contains an epoxy resin reacted with an amine-terminated flexible polymer while dissolved in the unsaturated polyester resin and its ethylenically unsaturated crosslinking monomer. A compatible system results from the reaction which has a controllable modulus based on the amount of flexible polymer included in the resin. The resin is generally transparent if unfilled and has a higher calculated fracture energy than similar unsaturated polyester resin without modification. The unsaturated polyester resin can be filled with particulate filler or reinforced with fibrous fillers.

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