Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1984-11-19
1985-12-24
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528103, 252182, 549552, C08G 5928, C08G 5902
Patent
active
045607397
ABSTRACT:
Triglycidyl compounds of the formula I ##STR1## and epoxy resin mixtures containing a triglycidyl compound of the formula I and a tetraglycidyl compound of the formula II ##STR2## in which formulae each of R and R' independently is a hydrogen atom, C.sub.1 -C.sub.6 alkyl, phenyl, cyclohexyl or cyclopentyl, and each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently is a hydrogen atom, a halogen atom, or C.sub.1 -C.sub.6 alkyl.
Thses compounds are valuable epoxy resins which are also suitable for the preparation of B-stage resins.
REFERENCES:
patent: 2951822 (1960-09-01), Reinking
patent: 2951825 (1960-09-01), Reinking et al.
patent: 3418371 (1968-12-01), Krimm et al.
Chem. Abstr. 101, 131818z, (1984).
Lee et al., Handbook of Epoxy Resins, 2-21 (1967).
Journal of Applied Polymer Science, 26, 2363-2372, (1981).
Ciba-Geigy Corporation
Falber Harry
Nielsen Earl
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