Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1998-02-06
1999-12-14
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 95, 528214, 549518, 568641, 568643, 568645, 568649, C07C 43225, C07D301026, C08G 5902
Patent
active
060019549
ABSTRACT:
Process for the preparation of compounds of the formula ##STR1## wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein R.sub.a represents hydrogen or a residue comprising one or more additional groups of the formula, ##STR2## from compounds ##STR3## wherein R.sub.2 represents hydrogen or a residue comprising one or more additional groups of the formula ##STR4## by reaction with gaseous hydrogen halide in the presence of a catalytic amount of an organic acid. Epoxy resins are prepared via the reaction of a compound of formula (A) in the presence of a basic compound.
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Gsan-Zade, Use of the multiple attenuated total internal reflection method for studying the synthesis of epoxy resins, Lakokras. Mater. Ikh Primen., vol. 5, pp. 11-13, 1976.
Smits Jozef Jacobus Titus
Walhof Judith Johanna Berendina
Sellers Robert E.
Shell Oil Company
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