Preparation of low friability rigid polyurethane foam

Details Preparation of low friability rigid polyurethane foam Preparation of low friability rigid polyurethane foam

C - Chemistry, Metallurgy

08

G

403/21, 403/41

C08G 18/28 (2006.01) C08G 18/48 (2006.01) C08G 18/50 (2006.01)

Patent

CA 1052950

ABSTRACT OF THE DISCLOSURE An improvement is disclosed in the preparation of rigid polyurethane foams which have relatively high surface friability. The improvement resides in the use of a select group of supplemental polyether polyols having 2-3 hydroxy groups in order to reduce the friability of the resulting foam.

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