Antioxidant

C - Chemistry – Metallurgy – 09 – K

Patent

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31/76

C09K 15/00 (2006.01) C08K 5/375 (2006.01)

Patent

CA 1061998

ABSTRACT OF THE DISCLOSURE An antioxident composition comprising a mixture of (a) a non- metallic hydroxy aromatic compound containing at least one sulphur atom attached to an unsaturated carbocyclic group and (b) an organic phosphonic acid or a diester, monoester or salt thereof. The composition is suitable for use for incorporation into polymer compositions, especially irradiated cross-linked polymer composition, to protect them against oxidation at ele- vated temperatures.

211232

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