Unsaturated polyester resins

C - Chemistry – Metallurgy – 08 – L

Patent

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400/5754

C08L 67/06 (2006.01) C08F 299/04 (2006.01)

Patent

CA 1134530

ABSTRACT To allow inhibition of styrene evaporation from an unsaturated polyester resin during curing, there is present in the resin a small amount (0.1 to 5 % by weight) of a lone-chain vinyl compound of the formula Image wherein R is a straight-or branched-chain substituted or unsubstituted aliphatic C6-C24 hydrocarbon, Y = H or CH3, N = zero or 1, X = Image or -0-. Preferred such compounds are lauryl and stearyl methacrylate. The resins are made by admixture of the selected compound(s) with the conventional other components of the resin.

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