Imidazole type curing agents and latent systems containing them

Details Imidazole type curing agents and latent systems containing them Imidazole type curing agents and latent systems containing them

1976-09-15

1978-07-18

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528117, 528107, 528341, 528337, 528367, 528407, C08G 5968, C08G 5956

Patent

active

041015142

ABSTRACT:
The disclosed curing agents or initiators have the formula ML.sub.n (O-SO.sub.2 -R.sub.f).sub.m wherein L is an imidazole, M is a metal, n is a coordination number of M, R.sub.f is a fluorinated alkyl group, and m is the valence of M. These curing agents are useful in latent curable epoxy systems. Upon heating to the cure temperature (e.g. 100.degree. - 250.degree. C.), such systems cure efficiently and with a low exotherm.

REFERENCES:
patent: 3356645 (1967-12-01), Warren
patent: 3553166 (1971-01-01), Anderson et al.
patent: 3586616 (1971-06-01), Kropp
patent: 3677978 (1972-07-01), Dowbenko et al.
patent: 3678007 (1972-07-01), Dowbenko et al.
patent: 3792016 (1974-02-01), Hill et al.
patent: 3842019 (1974-10-01), Kropp

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