Sulfur foam

Details Sulfur foam Sulfur foam

C - Chemistry, Metallurgy

08

J

403/24

C08J 9/02 (2006.01) C08G 18/38 (2006.01) C08G 18/14 (1980.01)

Patent

CA 1072249

ABSTRACT OF THE DISCLOSURE SULFUR FOAM A process for producing sulfur foam containing at least 50 weight percent sulfur, which comprises: (a) reacting molten sulfur with an organic protonic acid which is reactive with molten sulfur so as to incorporate the organic acid with sulfur to form a sulfur-organic acid adduct containing protonic acid groups; (b) mixing an organic surfactant agent with the adduct to obtain a mixture of adduct and surfactant agent; and then(c) reacting the mixture with a polyisocyanate to obtain sulfur foam.

237551

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