Phosphorous polymers

Details Phosphorous polymers Phosphorous polymers

1993-07-01

1995-04-04

Tucker, Philip

Compositions

Light transmission modifying compositions

423122, 423305, 359245, 252587, F21V 900, F21V 904, C01F 100, C01B 1516

Patent

active

054035198

ABSTRACT:
There is disclosed an amorphous, polymeric material that contains phosphorous, aluminum and carbon atoms, and that is the reaction product of a buffered liquid mixture of a source of phosphorous, such as 85% phosphoric acid, a source of aluminum, such as boehmite, and an organic liquid buffer, such as a carboxylic acid. The polymeric material may be converted to a glassy or crystalline solid by heating to a temperature of at least 150.degree. C., and may be cellulated.

REFERENCES:
patent: 3382082 (1968-05-01), Eubanks et al.
patent: 3762935 (1973-10-01), Leach
patent: 4999383 (1991-03-01), Blount
patent: 5051246 (1991-09-01), Clark et al.
patent: 5108727 (1992-04-01), Davis
patent: 5241093 (1993-08-01), Joly et al.

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