C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/04 (2006.01) C08K 5/00 (2006.01) C08K 5/09 (2006.01) C08K 5/098 (2006.01) C08K 5/527 (2006.01)
Patent
CA 2105156
A polyethylene composition that resists changing color when subjected to ultraviolet light said polyethylene composition comprises: (a) bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, in an amount that is at least about 0.001 parts but less than 0.30 parts per 100 parts by weight of said polyethylene; and (b) zinc stearate, in an amount that is from about 0.1 part 1 part per 100 parts by weight, of said polyethylene.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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