Alkylated triamines and higher polyamines as curing agents in po

Details Alkylated triamines and higher polyamines as curing agents in po Alkylated triamines and higher polyamines as curing agents in po

1988-01-28

1989-07-11

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 67, 528 85, C08G 1870, C08G 1832, C08G 1860

Patent

active

048473472

ABSTRACT:
Alkylated polyamines which may be viewed as low molecular weight polymers of x-amino-y-methylenephenyl are effective curing agents in combination with other polyamines and polyols in reaction injection molding for a diverse class of polyisocyantates. Alkylation may range from 5 up to 100 percent to afford polyamines with a broad spectrum of cure times, as well as to give elastomers with an interesting and useful diversity of properties. Such polyamines may be used as a constituent in a blend of polyamines as the isocyanate-reactive component, in which case the elastomer may be viewed as predominantly a polyurea, or as a constituent in a blend with polyols, in which case the elastomer may be viewed as an elastomer with both urethane and urea segments.

REFERENCES:
patent: 3681291 (1972-08-01), Khan
patent: 4048105 (1977-09-01), Salisbury
patent: 4324867 (1982-04-01), Patton, Jr. et al.
patent: 4433067 (1984-02-01), Rice et al.
patent: 4459399 (1984-07-01), Ihrman et al.
patent: 4495081 (1985-01-01), Vanderhider et al.

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