Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1991-01-22
1991-12-31
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525481, 525507, C08G 828
Patent
active
050773755
ABSTRACT:
A glycidyl ether of a phenolic compound of the formula: ##STR1## wherein each of R.sup.1 through R.sup.6 represents an alkyl group of from 1 to 6 carbon atoms; each of R.sup.7 to R.sup.12 represents a hydrogen atom, an alkyl group of from 1 to 4 carbon atoms, or an alkoxy group of from 1 to 4 carbon atoms; X represents a chlorine or bromine atom; GE represents a glycidyl ether group; a, b, c, d, and e are 0 or 1; and n is an average number of from 0.5 to 5. The high purity glycidyl ether of the phenolic compound can be produced by reacting the corresponding phenolic compound with an epichlorohydrin in an aprotic polar solvent in the presence of an alkali metal hydroxide and then treating the resulting crude glycidyl ether compound with an alkaline material in an organic solvent.
REFERENCES:
patent: 4390664 (1983-06-01), Kanayama
patent: 4394496 (1983-06-01), Schrader
patent: 4468508 (1984-08-01), Ito et al.
patent: 4551508 (1985-11-01), Urasaki
patent: 4778863 (1988-10-01), Wang et al.
patent: 5001174 (1991-03-01), Yanagisawa
Kanagawa Shuichi
Saito Noriaki
Sakamoto Hideshi
Foelak Morton
Krass Frederick
Sumitomo Chemical Company Limited
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