C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 237/06 (2006.01) C07C 237/10 (2006.01) C07D 295/13 (2006.01) C07D 295/15 (2006.01) C08G 18/18 (2006.01)
Patent
CA 2201845
The present invention provides amine/amide catalysts for use in catalyzing the formation of polyurethane. The amine/amide catalysts, which have low fugitivity due to their reactivity with isocyanates, and good catalytic activity, have the structure Image wherein Q is C2H2z+1, or (CH2)n N(R3)k T, T is a monovalent C1-C4 alkyl, amino- C1-C4- alkyl, mono-C1-C4- alkylamino-C1-C4- alkyl, or di-C1-C4- alkylamino-C1-C4- alkyl group, or T is a divalent alkyl, amine substituted alkyl, alkylaminoalkyl, or alkoxyalkyl group which forms with the nitrogen atom shown in structure (I) to which T is attached a cyclic structure which incorporates up to 6 carbon atoms in the ring as well as the nitrogen atom shown in structure (I), which cyclic structure may be substituted with C1 to C4 alkyl; k = 0 or 1, being 1 if T is a monovalent group and 0 if T is a divalent group; R2 = H or C2H2z+1; R3 = C2H2x+1; R4 = H; R5 = H or CH3; n = 2 to 6; and x = 1 to 4. "n" is preferably 2 to 3 and z is preferably 1. Each R3 and T may be the same or different, as may each value of n and z. One specific preferred range of structures is those in which Q is C2H2x+1.
Gerkin Richard M.
Robinson Kaye K.
Company General Electric
Gerkin Richard M.
Mcfadden Fincham
Robinson Kaye K.
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