Precatalyzed catalyst compositions, process for preparing resins

Details Precatalyzed catalyst compositions, process for preparing resins Precatalyzed catalyst compositions, process for preparing resins

1993-01-21

1994-05-10

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 88, 528 92, 528 93, 528 94, 528 97, 528 98, 528 99, 525523, 525529, 525482, 568 8, 568 9, 2521823, 25218231, 25218214, C08G 5968

Patent

active

053108531

ABSTRACT:
The reaction between epoxy compounds and active hydrogen-containing compounds or anhydrides is catalyzed with a phosphine or phosphonium compound containing at least three C.sub.1 to C.sub.4 alkyl phenyl groups attached to the phosphorous atom per molecule.

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