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

1986-03-06

1987-11-24

Hoke, Veronica P.

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...

521159, C08G 1832

Patent

active

047090030

ABSTRACT:
Largely alkylated polyamines which may be viewed as low molecular weight polymers of x-amino-y-methylenephenyl are effective curing agents for a diverse class of urethane prepolymers. The resulting polyurethanes are thermosetting polymers with excellent compression set and tensile strength. Because the properties of the resulting polyurethane vary only slightly near the optimum stoichiometry of curing agent-prepolymer, the use of the curing agents of this invention presents the advantage of being very tolerant of operator mixing error.

REFERENCES:
patent: 3634275 (1972-01-01), Sundholm
patent: 4089901 (1978-05-01), Ziemek et al.
patent: 4578446 (1986-03-01), House
Product Report, "Curithane 103"--brochure of the Upjohn Co., Jul. 15, 1966.

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