Irradiated polymer composition containing organic phosphites

Details Irradiated polymer composition containing organic phosphites Irradiated polymer composition containing organic phosphites

C - Chemistry, Metallurgy

08

K

400/4022, 400/51

C08K 5/52 (2006.01) C08J 3/28 (2006.01) C08K 5/524 (2006.01) C08L 101/00 (2006.01) C08L 85/02 (2006.01)

Patent

CA 1040784

ABSTRACT Irradiated polymer compositions are provided which are protected against oxidation at elevated temperatures by the presence of a minor amount of an organic phosphite. The invention is particularly directed to irradiated cross-linked polymers of olefine, e.g. polyethylene and polypropylene. In some cases it may be advantageous additionally to incorporate a hydroxy aromatic compound containing a sulphur atom.

211301

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