High resiliency foam with improved breathability and reduced...

Details High resiliency foam with improved breathability and reduced... High resiliency foam with improved breathability and reduced...

C - Chemistry, Metallurgy

08

G

403/26

C08G 18/24 (2006.01) C08G 18/14 (1980.01)

Patent

CA 1073599

Abstract of the Disclosure The rise times of high resiliency polyurethane foams are signifi- cantly reduced using a specified class of diorganotin compounds as the gel catalyst. The organotin catalysts are derivatives of half esters of dicar- boxylic acids. A preferred catalyst is dibutyltin bis(isooctyl maleate). Tho present catalysts can be employed at higher concentrations than conven- tional tin-containing catalysts without causing shrinkage of the foam.

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