Flame retardants

Details Flame retardants Flame retardants

1980-03-19

1982-03-02

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252609, 260936, 528176, 524606, 524611, 524605, C07F 938, C08K 553

Patent

active

043177697

ABSTRACT:
Alkali metal salts or/and alkaline earth metal salts of cyclic phosphorus compounds expressed by the general formula ##STR1## (wherein X.sub.1 to X.sub.8 each represent hydrogen, halogen, cyano group, acyl group, alkyl group, halogen-substituted alkyl group, aryl group, halogen-substituted aryl group or aralkyl group) are provided. These metal salts impart a specific flame retardancy to organic high molecular weight compounds prepared from alkylidenebisphenols as a raw material, without lowering the characteristic properties of substrates.

REFERENCES:
patent: 1684738 (1928-09-01), Marschalk
patent: 3216970 (1965-11-01), Conix
patent: 3535300 (1970-10-01), Gable
patent: 3557053 (1971-01-01), Miller
patent: 3702878 (1972-11-01), Saito
patent: 4086206 (1978-04-01), Saito et al.
patent: 4113795 (1978-09-01), Izawa et al.
patent: 4127590 (1978-11-01), Endo et al.
patent: 4198492 (1980-04-01), Izawa et al.
patent: 4280951 (1981-07-01), Saito et al.
Hilado, Flammability Handbook for Plastics, 1969, pp. 82-86.

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