Catalyst for the preparation of bisphenols

Details Catalyst for the preparation of bisphenols Catalyst for the preparation of bisphenols

1981-06-12

1983-01-18

Henderson, C. A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525350, 568727, C08F 834

Patent

active

043692931

ABSTRACT:
A catalyst for the preparation of bisphenols from phenols and compounds containing carbonyl groups consisting of a styrene/divinyl benzene copolymer into which are introduced sulphochloride groups which, in turn, have been partly reacted with mercaptoalkylamine and partly hydrolyzed to form sulphonic acid groups.

REFERENCES:
patent: 2520917 (1950-09-01), Dickey

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