Amine stabilized amorphous phosphite

Details Amine stabilized amorphous phosphite Amine stabilized amorphous phosphite

1995-11-16

1997-10-07

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

25240024, 524120, 524126, 524153, 524252, 558 71, C08K 5526, C08K 55393, C09K 1532

Patent

active

056749279

ABSTRACT:
A solid amorphous phosphite stabilizer composition is provided which exhibits enhanced hydrolytic stability. The stabilizer composition preferably contains from 10 to 99.9 percent by weight of a phosphorous compound selected from phosphites and phosphonites, and preferably contains from 0.1 to 10 percent by weight of an aliphatic polyamine. The stabilizer composition exhibits enhanced hydrolytic stability, and is preferably in the form of powders or flakes. The stabilizer composition is useful as an additive to polymeric resins as an antioxidant stabilizer.

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