C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/103, 403/31
C08G 18/20 (2006.01) C08G 18/18 (2006.01) C08G 18/40 (2006.01)
Patent
CA 1312974
122-P-US03553 ABSTRACT In the preparation of a high resiliency polyurethane foam by react- ing a polyisocyanate with a polyurea dispersion-containing polyol based masterbatch composition also containing a tertiary amine catalyst for the polyurethane reaction, the improvement for eliminating cure draft of such stored polyol compositions which comprises employing a catalyst composi- tion consisting essentially of 5 to 15 wt% triethylenediamine, 20 to 35 wt% 4-(2-dimethylaminoethyl) morpholine, 20 to 35 wt% N,N,N',N'-tetramethyl-1,2-diamino-2- methylpropane, 10 to 25 wt% bis(dimethylaminoethyl)ether, and to 40 wt% of an N-hydroxyalkyl quaternary am- monium acid salt.
558405
Petrella Robert G.
Scarpati Michael
Air Products And Chemicals Inc.
Mcfadden Fincham
Petrella Robert G.
Scarpati Michael
LandOfFree
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