Aromatic polyol end-capped unsaturated polyetherester resins...

Details Aromatic polyol end-capped unsaturated polyetherester resins... Aromatic polyol end-capped unsaturated polyetherester resins...

C - Chemistry, Metallurgy

08

G

C08G 63/676 (2006.01) B32B 27/08 (2006.01) C08F 283/01 (2006.01) C08G 63/91 (2006.01) C08J 5/04 (2006.01) C08L 67/06 (2006.01)

Patent

CA 2259763

Unsaturated polyetherester resins, and processes for making them, are described which are useful for making curable thermoset resin compositions, intermediates for curable thermoset resin compositions, fiber-reinforced polymer composites, intermediates for making skin laminates for gel coated fiber-reinforced composites and gel coated polymer laminates. The unsaturated polyetherester resin is obtainable by reacting at least one acid-terminated unsaturated polyetherester resin with at least one aromatic polyol having at least one nonprimary hydroxy group to produce an unsaturated polyetherester resin at least partially end-capped with an aromatic polyol. The described processes, compositions, methods and uses improve the chemical and/or water resistance of resin compositions, particularly composite materials having a gel coat. That improvement has special significance in outdoor and marine applications, bathtubs and shower stalls and environments exposed to chemicals such as industrial and commercial applications.

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