C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/249, 400/706
C07D 211/94 (2006.01) C07D 221/20 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 2012503
Compounds containing both a UV-absorbing moiety and a 1-hydrocarbyloxy hindered amine moiety are effective stabilizers for protecting polymer compositions against the deleterious effects of actinic light. The UV-absorbing moieties include the substituted 2H-benzotriazoles, s-triazines, acrylates, benzophenones, oxanilides and oxamides. The compounds have one of the formulas I to VI (see above formulas) (see above formulas) wherein R1 is hydrogen, halogen, alkyl of 1 to 12 carbon atoms or aralkyl of 7 to 15 carbon atoms, wherein R1 is a group such as C1-C12 alkyl, R and R2 are independently groups such as H and C1-C12 alkyl, R3 and R4 are independently groups such as C1-C4 alkyl, X is a group such as COO-, R5 is H or OH, G1, G2, G3, G4, G5 and G6 are each groups such as H and C1-C12 alkyl, G7 is a group such as H or phenyl, G8 is a group such as cyano, and T1 to T3 are independently groups such as C1-C12 alkyl.
Galbo James P.
Ravichandran Ramanathan
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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