GB1295231A - - Google Patents

Abstract

1295231 Stabilizing polyolefins TOA BOSHOKU KK 8 Jan 1970 [9 June 1969] 990/70 Heading C3P Polyolefin compositions comprise (1) 0À05 to 5 weight per cent of an organic nickel compound and (2) a benzophenone compound or benzotriazole compound in amount not greater than that of the nickel compound, the nickel compound being selected from where X is H or halogen, X 1 -X 6 are H, halogen or C 1-18 alkyl, X 12 is H, halogen or nonyl, R is C 1-18 alkyl, R 1 is H or C 1-18 alkyl, R 2 is H, a metal atom or -MOCOCH 2 NR 1 R 2 , A is H, a metal atom or -MOCOR and M is nickel, zinc, cadmium, calcium, strontium, barium, magnesium or lead. Many suitable stabilizers are listed and examples describe the preparation of dyeable fibres from compositions of polypropylene and (1) nickel 2,2<SP>1</SP> - thiobis - (4,6 - di - chlorophenate), 2,2<SP>1</SP> - thio - (4,6 - dichlorophenate nickel stearate) (4<SP>1</SP>,6<SP>1</SP> - dichlorophenate zinc stearate), nickel 2,2<SP>1</SP> - thiobis - (4 - chlorophenate), nickel 2,2<SP>1</SP> - thiobis - (4,6 - dichlorophenoxyacetate) or nickel 2,2<SP>1</SP> - thiobis- (p - nonylphenoxyacetate and (2) 2 - hydroxy - 4 - octoxybenzophenone or 2 - (31 - t-butyl - 2<SP>1</SP> - hydroxy - 5<SP>1</SP> - methylphenyl) - 5 - chlorobenzotriazole.