Polyester foam products and method and apparatus for making...

Details Polyester foam products and method and apparatus for making... Polyester foam products and method and apparatus for making...

C - Chemistry, Metallurgy

08

J

23/378, 403/57

C08J 9/30 (2006.01) C08L 67/06 (2006.01) B29D 27/02 (1980.01)

Patent

CA 1116350

ABSTRACT OF THE DISCLOSURE Polyester foam is formed by simultaneously cross-linking an unsaturated polyester resin and generating carbon dioxide as a blowing agent. The foam-forming components are divided into two equal volume parts which are metered together to effect the simultaneous reactions and form the foam. Apparatus is described for effecting the foam-forming method.

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