Phosphorus compounds

Details Phosphorus compounds Phosphorus compounds

C - Chemistry, Metallurgy

07

F

402/353, 400/573

C07F 9/12 (2006.01) C07F 9/6574 (2006.01) C08F 299/04 (2006.01) C08K 5/52 (2006.01) C08K 5/521 (2006.01)

Patent

CA 1120050

- 1 - ABSTRACT Compositions comprising organic phosphorus com- pounds having a peroxygen group which is either a hydro- peroxyalkyl (H-OO-C-) group or a peroxyether (-C-OO-C-) group. There is at least one such group per 500 phos- phorus atoms in the composition. These peroxygen com- pounds may be made by passing oxygen through a liquid comprising a phosphorus compound which has an aliphatic carbon, having an abstractable hydrogen, directly at- tached to a carbon of an aryl ring; for example, an iso- propylphenyl phosphate. The peroxygen compounds may be added to compositions comprising peroxide-reactive or- ganic polymers to increase flame resistance.

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