Process for the production of polyurethane foams using...

Details Process for the production of polyurethane foams using... Process for the production of polyurethane foams using...

C - Chemistry, Metallurgy

08

G

403/34

C08G 18/32 (2006.01) C08G 18/08 (2006.01) C08G 18/65 (2006.01) C08J 9/06 (2006.01)

Patent

CA 1255449

Mo-2693 LeA 23,370 PROCESS FOR THE PRODUCTION OF POLYURETHANE FOAMS USING STERICALLY HINDERED AROMATIC DIAMINES ABSTRACT OF THE DISCLOSURE The present invention is directed to the pro- duction of free-rise polyurethane foams using sterically hindered diamines of the formula(e) Image and/or Image in which R1 and R2 may be the same or different and represent C1-C4 alkyl and R3 and R4 may again be the same or different and represent H or CH3, is added to said reaction mixture. Mo-2693 LeA 23,370

489533

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