Manufacture of polyurethane foam

C - Chemistry – Metallurgy – 08 – G

Patent

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403/34, 403/45

C08G 18/76 (2006.01) C08G 18/78 (2006.01) C08G 18/79 (2006.01)

Patent

CA 1310790

E 34470 ABSTRACT Manufacture of Polyurethane Foam Process for the manufacture of flexible polyurethane foams based on methylene diphenyl isocyanates and isocyanate - reactive compounds, which comprises reacting methylene diphenyl isocyanates with one or more isocyanate - reactive compounds selected from polyols and polyamines and with water. MDI based foams with a broader range of properties are obtained without the necessity for halocarbon blowing agents.

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