Cross-linkable polyester/isocyanate compositions suited for the

Details Cross-linkable polyester/isocyanate compositions suited for the Cross-linkable polyester/isocyanate compositions suited for the

1991-03-08

1995-01-17

Kight, III, John

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

Synthetic resins

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

525131, 525440, 525455, 525903, 156 60, 156166, C08F 830, C08L 7500, C08L 7504

Patent

active

053826264

ABSTRACT:
This invention relates to crosslinkable polymeric compositions and a process for preparing them which show a low content of vinyl monomers, are suitable for the fabrication of composite materials, have good mechanical properties, and comprise: a liquid polyisocyanate; a polyol having a maximum functionality of 7 and an average molecular weight of from about 200 to about 10,000; an unsaturated polyester or a vinylester resin; a radical polymerization initiator stable at temperatures below 70.degree. C.; a decomposition promoter for the initiator; a trimerization catalyst for the isocyanate; and optionally, a mineral filler having dehydrating properties.

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