Mold composition and process

Details Mold composition and process Mold composition and process

C - Chemistry, Metallurgy

08

G

18/1163, 402/262

C08G 75/00 (2006.01) B29C 1/02 (1980.01)

Patent

CA 1133193

ABSTRACT OF THE DISCLOSURE Mercaptoalkanoic acids and thiodialanoic acids are reacted with a poly(oxyalkylene)-polyol to form poly(oxy- alkylene)-polyester-poly(monosulfide)-polythiols which are useful as encapsulating materials and mold compositions when oxidatively coupled or curd. In one embodiment, a polymeric reaction product, either in the uncured state or partially cured state, is used for the preparation of flexible molds from which regularly or irregularly shaped objects can be made.

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