N-Alkyl polyamines and curing of epoxy resins therewith

Details N-Alkyl polyamines and curing of epoxy resins therewith N-Alkyl polyamines and curing of epoxy resins therewith

1978-07-20

1980-03-25

Welsh, Maurice J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 98, 528 99, 528101, 528106, 528405, 528407, C08L 6300

Patent

active

041951522

ABSTRACT:
There is disclosed a class of N-alkylpolyamines and their use as curing agents for epoxy resins, and in particular to such polyamines having the formula R--[NH(CH.sub.2).sub.x ].sub.y --NHR' where R is an aliphatic hydrocarbon radical having from 5 through 8 carbon atoms, R' is H, R or R", x is an integer of 2 or 3 and y is an integer of 2-4. A monoepoxide adduct of the monoalkyl substituted polyamine is also disclosed wherein R" may then become an aliphatic substituent (2-14 carbon atoms) which may contain (a) an oxygen atom, (b) a hydroxyl group or (c) an aromatic substituent such as a phenyl ring.

REFERENCES:
patent: 2876236 (1959-03-01), Szabo et al.
patent: 3223695 (1965-12-01), Gallaugher
patent: 3280074 (1966-10-01), McCaleb et al.
patent: 3291775 (1966-12-01), Holm
patent: 3321438 (1967-05-01), Brooker et al.
patent: 3519603 (1970-07-01), Lohse et al.
patent: 3763102 (1973-10-01), Hoffmann et al.

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