Fluorinated ion-exchange polymers and intermediates therefor

Details Fluorinated ion-exchange polymers and intermediates therefor Fluorinated ion-exchange polymers and intermediates therefor

1995-09-27

1996-07-16

Zitomer, Fred

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 25, 521 30, 521 31, 521 33, 521 38, 526243, 526247, 568 39, 568 56, 502168, B01J 3920, C08F 1426, C08F 1624

Patent

active

055367542

ABSTRACT:
Disclosed herein are partially fluorinated (co)polymers containing sulfonic acid or sulfonate salt groups, processes for making those polymers, and intermediates for those (co)polymers. The (co)polymers are useful as ion-exchange resins and (in the sulfonic acid form) acid catalysts.

REFERENCES:
patent: 4329434 (1982-05-01), Kimoto
patent: 4555369 (1985-11-01), Kimoto
patent: 4597913 (1986-07-01), Kimoto

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