Non-cfc foam produced using blended surfactants

Details Non-cfc foam produced using blended surfactants Non-cfc foam produced using blended surfactants

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08J 9/14 (2006.01) C08L 61/06 (2006.01)

Patent

CA 2191598

This invention relates to the production of low density resol foams from resol resins. The resol foams have a density of 3.0 pounds per cubic foot (32.037 kg/m3) or less and are produced with a surfactant comprising a 1:1 blend of (i) ethylene oxide- propylene oxide block copolymers having a molecular weight greater than 9000 but less than 15,000 and (ii) an ethoxylated alkylphenol represented by the formula: Image wherein R is an alkyl group having 1 to 20 carbon atoms and x is an integer ranging from 4 to 120.

L'invention porte sur la production de mousses de résol à basse densité à partir de résines de résol. Lesdites mousses, d'une densité de 3,0 livres par pied cubique (32,037 kg/m<3>) ou moins, sont obtenues à l'aide d'un mélange de tensioactifs.

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