Process for preparing aralkylene phenol resins prepared from phe

Details Process for preparing aralkylene phenol resins prepared from phe Process for preparing aralkylene phenol resins prepared from phe

1975-10-06

1980-01-01

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 8, 528 9, 528 12, 528 14, 528 18, 528 23, 528 26, 528 29, 528166, 528167, 528169, 528171, 528174, 528176, 528180, 528181, 528190, 528191, 528193, C08G 6310, C08G 6318, C08G 7526

Patent

active

041817915

ABSTRACT:
Aralkylene phenol resins, curable to thermoset polymers are made by reacting an aralkylene ester of formula R'(CH.sub.2 OYR,).sub.a, where R' is aromatic, Y is carbonyl or sulphonyl and R' is alkyl or aryl, a is 2 or 3 with a molar excess of a phenol or mixture thereof with a non-phenolic aromatic compound.

REFERENCES:
patent: 2331169 (1943-10-01), Bruson
patent: 3313778 (1967-04-01), Sakurai et al.
patent: 3828006 (1974-08-01), Thomas

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