C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
402/353, 260/461
C07F 9/12 (2006.01) C08G 79/04 (2006.01) C08K 5/52 (2006.01) C08L 85/02 (2006.01) C08L 101/00 (2006.01)
Patent
CA 1117966
ABSTRACT: This invention relates to flame-retardant polymeric alkyl aryl phosphates prepared by Friedel-Crafts conden- sation. The polymeric alkyl aryl phosphates may be made by Friedel-Crafts condensation of chloroalkyl aryl phos- phates and alkenyl aryl phosphates derived therefrom. Alternatively, the polymeric alkyl aryl phosphates may be made by Friedel-Crafts condensation of phenols followed by phosphorylation of the Friedel-Crafts condensate. The flame-retardant polymeric alkyl aryl phosphates of the present invention are particularly suitable for use as an additive, having little or no plasticizing effect in flammable organic plastics.
324889
Beacham Harry H.
Fretz Edward R.
Norris Robert D.
Fmc Corporation
Osler Hoskin & Harcourt Llp
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