Copper inhibitors for polyolefins

Details Copper inhibitors for polyolefins Copper inhibitors for polyolefins

C - Chemistry, Metallurgy

09

K

31/76, 400/9420,

C09K 13/00 (2006.01) C08K 5/25 (2006.01)

Patent

CA 1046263

ABSTRACT OF THE DISCLOSURE Compounds of the formula Image are useful. In combination with hindered-phenol antioxidants. for inhibiting thermal degradation of polyolefins, especially polypropylene, in contact with copper as metal, alloys oxides, or salts. Such compounds are prepared by reacting a naphthoyl chloride or a naphthoic acid ester withhydrazine..

211766

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