Use of a pentaerythritol diphosphonate to flame retard polymers

Details Use of a pentaerythritol diphosphonate to flame retard polymers Use of a pentaerythritol diphosphonate to flame retard polymers

C - Chemistry, Metallurgy

08

K

400/6534, 400/70

C08K 5/53 (2006.01) C08K 5/00 (2006.01) C08K 5/527 (2006.01) C08K 5/5357 (2006.01) C08L 23/02 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1138142

ABSTRACT Flame-retardant polymer compositions containing a pentaerythritol diphosphonate and a halogenated organic compound having at least about 30% halogen. Dimethyl pentaerythritol diphosphonate, i,e., Image is a preferred ingredient of the composition, as is polypropylene. The diphosphonates of the present invention are wed in polymer compositlons to increase the degree of flnme retardance.

285540

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