Process for producing polyurethane foam having a modified...

Details Process for producing polyurethane foam having a modified... Process for producing polyurethane foam having a modified...

C - Chemistry, Metallurgy

08

J

403/10, 217/34,

C08J 9/40 (2006.01) H01B 1/12 (2006.01)

Patent

CA 1237248

PROCESS FOR PRODUCING POLYURETHANE FOAM HAVING A MODIFIED PROPERTY ABSTRACT Polyurethane foam is modified by a post-treatment process comprising the steps of contacting the polyurethane foam with a swelling agent for the polyurethane foam and interpenetrating the swollen foam with a chemical additive, then shrinking the interpenetrated foam by removing the swelling agent under conditions where the chemical additive remains trapped in the polymeric structure of the foam.

498068

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