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Thermosetting resins and laminates

  • US 6,306,963 B1
  • Filed: 09/07/2000
  • Issued: 10/23/2001
  • Est. Priority Date: 05/08/2000
  • Status: Expired due to Fees
First Claim
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1. A thermosetting resin composition comprising:

  • (a) at least 50% by weight of one or more ethylenically unsaturated aromatic monomers having the formula;

    wherein R1 represents a hydrogen, an alkene group, or alkyl group, and n=1, or wherein R1 represents halogen atoms n=1 to 3, and R2 represents a hydrogen atom or an alkyl group, and;

    (b) from 1 to 50% by weight of a vinyl-terminated polymer having the formula;

    wherein R3 represents CH3 or H, R4 is an urethane or ester residue, and Q represents a polybutadiene homopolymer or a butadiene-styrene copolymer, and k is on average less than 3, and;

    (c) from 1 to 50% of a chemically modified polyphenylene ether resin comprising aliphatic unsaturation;

    wherein all weight percentages are based on the combined weights of components (a), (b), and (c).

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