Scott Bader Company Limited

Stephen J Thompson

Trevor R Osborne

A moulding composition comprises a fibrous reinforcement, an ethylenically unsaturated, essentially amorphous, polymer, a cross-linking agent copolymerizable therewith and, as a thickener and low profile/shrinkage control agent, a crystalline saturated polyester which

Thickened moulding compositions

A thickened moulding composition comprises fibrous reinforcement, an ethylenically unsaturated polymer, a monomer copolymerizable therewith and a crystalline unsaturated polyester having a glycol component derived from at least two symmetrical glycols. Preferably, the crysatlline polyester has a molecular weight per double bond of no more than about 210 and a melting point of from 50.degree.-115.degree. C.

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both or Wellingborough, United Kingdom

Stephen J Thompson