Preparation of resilient foams based on a...

Details Preparation of resilient foams based on a... Preparation of resilient foams based on a...

C - Chemistry, Metallurgy

08

J

403/55, 18/650

C08J 9/14 (2006.01) C08J 9/36 (2006.01) C08L 61/28 (2006.01) B29D 27/00 (1980.01)

Patent

CA 1151350

O.Z. 0050/033,801 Abstract of the Disclosure: A process for the prepara- tion of a resilient foam based on a melamine-formaldehyde condensate, wherein a very concentrated aqueous solution or dispersion which contains a melamine/formaldehyde pre- condensate, an emulsifier, a volatile blowing agent and a curing agent is foamed under conditions such that init- ially there is only a slight increase in viscosity and the curing process, accompanied by a large increase in viscosity, only commences when foaming has substantially ended.

347095

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