Blowing reaction catalyst composition that provides cell...

Details Blowing reaction catalyst composition that provides cell... Blowing reaction catalyst composition that provides cell...

B - Operations, Transporting

01

J

B01J 27/24 (2006.01) C08G 18/18 (2006.01) C08J 9/00 (2006.01)

Patent

CA 2060420

A method for preparing a polyurethane foam which comprises reacting inorganic polyisocyanate and a polyol in the presence of a catalyst composition comprising a blowing catalyst and a gelling catalyst, the improvement which comprises employing a blowing catalyst consisting essentially of (a) 25 to 80 wt% pentamethyldiethylenetriamine and (b) 20 to 75 wt% bis(dimethylaminopropyl)methylamine. The catalyst composition provides the resulting polyurethane foam with improved breathability.

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