Amine stabilized amorphous phosphite

Details Amine stabilized amorphous phosphite Amine stabilized amorphous phosphite

1994-10-19

1995-11-21

Hoke, Veronica P.

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

Organic compounds

Phosphorus esters

25240024, 524126, 524153, 524252, 524119, C09K 1532

Patent

active

054688957

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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