Pressurized, blowing agent-containing isocyanate...

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 18/64 (2006.01) C08G 18/12 (2006.01) C08G 18/48 (2006.01) C08G 18/66 (2006.01) C08J 9/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2163584

Pressurized, blowing agent-containing isocyanate semiprepolymer mixtures advantageously having an isocyanate content of from 5 to 25 percent and based on organic polyisocyanates and alkoxylated lignin having a hydroxyl number of from 30 to 80, preferably in admixture with lignin-free polyhydroxyl compounds are used for producing single-component polyurethane foams.

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