Polymeric carbonylation catalyst system

Details Polymeric carbonylation catalyst system Polymeric carbonylation catalyst system

1993-08-24

1995-11-14

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562521, 562522, C07C 5112, C07C 5308

Patent

active

054668743

ABSTRACT:
A carbonylation catalyst useful for the carbonylation of methanol to acetic acid, acetic anhydride or both comprises a polymer support containing pendant pyrrolidone groups which support a rhodium species. Other polymeric supports capable of withstanding carbonylation temperatures of at least 150.degree. C. are disclosed for the carbonylation reaction in which rhodium levels in the reaction medium of greater than 500 ppm are contemplated.

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