Polymers made flame retardant with condensation products of phos

Details Polymers made flame retardant with condensation products of phos Polymers made flame retardant with condensation products of phos

1975-05-05

1976-11-23

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47R, 260857R, 260860, 260865, 260930, 260 457P, C08K 553

Patent

active

039936236

ABSTRACT:
The present invention relates to novel oligomeric and polymeric condensation products of phosphine oxides, such as bis(p-hydroxyphenyl)alkyl or aryl phosphine oxides condensed with alkyl or arylphosphonic dihalides or diphenoxides, and to processes of preparing the present novel compositions of matter. The invention also includes a process of imparting fire-retardant properties to combustible materials by treatment with the condensation products of the present invention, as well as novel compositions composed of otherwise combustible base materials such as various organic polymers for example Nylon or polyethylene terephthalate having combined therewith the present condensation products.

REFERENCES:
patent: 2682522 (1954-06-01), Coover et al.
patent: 3326852 (1967-06-01), Thomas
patent: 3378523 (1968-04-01), Caldwell et al.
patent: 3883474 (1975-05-01), Racky et al.
Journal of Polymer Science -- vol. XXXI, pp. 319 to 326 (1958).

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