Method and catalyst for making bisphenol

Details Method and catalyst for making bisphenol Method and catalyst for making bisphenol

1981-09-02

1983-08-02

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

568728, B01J 3100, C07C 3700

Patent

active

043967280

ABSTRACT:
A sulfonated aromatic organic polymer, such as sulfonated polystyrene ion-exchange resin, is provided having N-alkylaminoorgano mercaptan groups attached to backbone sulfonyl radicals by covalent nitrogen-sulfur linkages. The ion-exchange resin can be used to effect phenol-ketone condensation in the synthesis of bisphenols.

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