Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1979-01-22
1980-05-27
Nielsen, Earl A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528118, 528341, 528361, 528362, 528367, 525507, C08G 5956
Patent
active
042051568
ABSTRACT:
An imidazole-isocyanuric acid adduct having the following general formula is disclosed: ##STR1## wherein R.sub.1 is a member selected from the group consisting of a hydrogen atom, a .beta.-cyanoethyl group and a .beta.-[3,5-diamino-S-triazinyl-(1)]-ethyl group, R.sub.2 stands for a monovalent hydrocarbon group having up to 17 carbon atoms, R.sub.3 is a member selected from the group consisting of a hydrogen atom and an alkyl group having up to 4 carbon atoms, with the proviso that when R.sub.1 is a hydrogen atom, R.sub.2 is a methyl or phenyl group and R.sub.3 is a hydrogen atom and when R.sub.1 is a .beta.-cyanoethyl group, R.sub.2 is a phenyl group and R.sub.3 is a hydrogen atom, and n is a number of from 0 to 2.
This adduct has peculiar characteristics not possessed by ordinary salts. Namely, the adduct is stable in water, and it decomposes in a solvent or under heating. The adduct is valuable as a curing agent for epoxy resins, and it can be utilized for purification of imidazoles.
REFERENCES:
patent: 3635894 (1972-01-01), Dowbenko et al.
patent: 3746686 (1973-07-01), Marshall et al.
patent: 3989673 (1976-11-01), Jenkins et al.
Iuchi Keiko
Kawata Shunichi
Nomoto Tadao
Sawa Natsuo
Suzuki Toshihiro
Nielsen Earl A.
Shikoku Chemicals Corporation
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