C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/6431, 400/90
C08K 5/34 (2006.01) C08K 5/3492 (2006.01) C08L 23/02 (2006.01)
Patent
CA 1244174
Polyolefines which have been stabilised with bis-(polyalkylpiperidinylamino)-1,3,5-triazines or tris- (polyalkylpiperidinylamino)-1,3,5-triazines. Abstract A particularly good stabilisation against oxidative and light-induced degradation of polyolefines is obtained by adding compounds of the formula I or IA (I) Image (IA) in which X is a group Image -OR5 or -SK5 and X' is a group Image R1 is C1-C18-alkyl, C5-C12-cycloalkyl, C7-C11-aralkyl, C3-C12-alkyl which is interrupted by -N(R6)-, C2- C6-carboxyalkyl or C3-C12-alkoxycarbonylalkyl or is a group -A-O-Q in which A is methylene, ethylene or trimethylene and Q is phenyl which is unsubstituted or monosubstituted, di- substituted or trisubstituted by C1-C4-alkyl, or is a group of the formula Image R2 is hydrogen, C1-C4-alkyl, benzyl, allyl, acetyl, acryloyl, (amine)oxide or a group Image or -CH2CN , R? is C1-C4-alkyl, benzyl, allyl, acetyl, acryloyl, (amine)oxide or a group Image or -CH2CN, R3 and R4 independently of one another are C1-C18-alkyl, C5-C12-cycloalkyl, C7-C11-aralkyl or C3-C12-alkyl which is interrupted by -N(R6)-, C2-C4-hydroxyalkyl, C3- C15-acyloxyalkyl, C2-C6-carboxyalkyl or C3-C12-alkoxycar- bonylalkyl, and R4 can additionally also be hydrogen, or R3 and R4, together with the N atom in which they are attached, form a heterocyclic ring, R5 is C1-C18-alkyl, C3-C12- alkenyl, C5-C12-cycloalkyl, C7-C11-aralkyl or C3-C12- alkyl which is interrupted by -O- or -N(R6)-, R6 is C1-C4- alkyl and R7 is hydrogen, methyl, ethyl or phenyl
437801
Gugumus Francois
Rody Jean
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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