C - Chemistry – Metallurgy – 08 – G
Patent
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.
Bergstrom Linda
Hsu Chih-Pin
Zhao Ming Yang
Cook Composites And Polymers Company
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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