Polyurethanes made with linear polyamines

Details Polyurethanes made with linear polyamines Polyurethanes made with linear polyamines

1977-05-27

1979-03-06

Jacobs, Lewis T.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260583P, 521170, 528 53, C08L 900

Patent

active

041430034

ABSTRACT:
This invention relates to a process for the production of polyurethane resins (more particularly foam resins) in which linear polyamines containing at least four tertiary nitrogen atoms are used as catalysts. The compounds correspond to the general formula: ##STR1## wherein the groups R, which may be the same or different, represent methyl or ethyl groups; m represents an integer of from 2 to 7; and the integers n, which may be the same or different, represent 2 or 3.

REFERENCES:
patent: 2390766 (1945-12-01), Zellhoefer et al.
patent: 2762744 (1956-09-01), Hazard et al.
patent: 3313744 (1967-04-01), Rice
patent: 3742057 (1973-06-01), Bunting et al.
Billo et al., Kinetics of Ligand Exchange With Nickel (II) Triglycine, JACS (93) (1971), pp. 2634-2641.

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