Surface-moldified ammonium polyphosphate

Details Surface-moldified ammonium polyphosphate Surface-moldified ammonium polyphosphate

1990-06-15

1992-04-28

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523179, 523205, 524416, 428407, C08K 328, C08K 904

Patent

active

051090376

ABSTRACT:
The water leaching of ammonium polyphosphate from compositions comprising organic polymer and particles of ammonium polyphosphate is reduced if the ammonium polyphosphate is surface-modified with copolymer of vinylpyrrolidone and comonomer selected from the group consisting of .alpha.-olefin containing from about 4 to about 50 carbon atoms, styrene, styrene substituted on the ring with at least one alkyl group containing from 1 to about 12 carbon atoms, and mixtures thereof.

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patent: 4306878 (1981-12-01), Brown et al.
patent: 4616049 (1986-10-01), Thompson et al.
patent: 4618633 (1986-10-01), Taubitz et al.
patent: 4632946 (1986-12-01), Muench et al.
patent: 4694030 (1987-09-01), von Bonin et al.
GAF Products for Cosmetics Reference Guide.

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