In-mold coating with improved toughness

Details In-mold coating with improved toughness In-mold coating with improved toughness

1994-10-27

1996-06-04

Short, Patricia A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523459, 523468, 525 92A, 525 92F, 525 92H, 525404, 525438, 525531, C08L 6310

Patent

active

055233376

ABSTRACT:
Hydroxy-terminated telechelic rubber polymers and block copolymers of flexible polymers with unsaturated polyester resins improve the elongation and flexural elongation of in-mold coating compositions for fiber reinforced plastics (FRP). An FRP in-mold coating composition based upon vinyl ester resin, ethylenically unsaturated monomers, and at least one of telechelic hydroxy terminated flexible polymers and the block copolymers of functionally terminated flexible polymers with unsaturated polyester polymers are described.

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