Abstract: A stabilizer mixture containing the components (I), (II) and (III) wherein component (I) is for example a compound of the formula (B-1-b) wherein E1 is hydrogen; component (II) is for example a compound of the formula (B-0-a) wherein E1* is hydrogen; and component (III) is for example a compound of the formula (C-1-a) wherein b1 is a number from 2 to 20 and R6 is hydrogen; is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.

Abstract: A stabilizer mixture containing A) either (A1) at least one compound of the formula in which R1 is for example hydrogen or C1–C8alkyl; R2, R3, R5 and R6 are for example hydrogen, C1–C30alkyl or phenyl; R4 is for example C1–C30alkyl or 2,2,6,6-tetramethyl-4-piperidyl; and n1 is a number from 1 to 50; or (A2) at least one compound of the formulae wherein n2 and n2* are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: A stabilizer mixture containing A) for example at least one compound of the formula (I) wherein the radicals R1, independently of one another, are hydrogen, C1–C8alkyl, —O?, —CH2CN, C3–C6alkenyl, C7–C9phenylalkyl, C7–C9phenylalkyl which is substituted on the phenyl radical by C1–C4alkyl; or C1–C8acyl; and B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium, or a hydrotalcite; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: A stabilizer mixture containing (A) for example a compound of the formula (A-I) wherein R1 is hydrogen or C1-C4alkyl, R2 is a direct bond or C1-C10alkylene and n1 is a number from 2 to 50; (B) a sterically hindered amine compound; and (C) anatase; with the proviso that the component (B) is different from a compound of the formula (A-I).

Abstract: A stabilizer mixture containing (A) for example a compound of the formula (A-I) wherein R1 is hydrogen or C1-C4alkyl, R2 is a direct bond or C1-C10alkylene and n1 is a number from 2 to 50; (B) a sterically hindered amine compound; and (C) anatase; with the proviso that the component (B) is different from a compound of the formula (A-I).

Abstract: The present invention relates to polyolefin compositions which comprise as UV absorber a synergistic mixture of a) at least one hydroxybenzophenone and at least one 2-hydroxyphenylbenzotriazole with the proviso that the polyolefin is a high density polyethylene of the “Phillips” type or a polyethylene of the metallocene type; b) at least one hydroxybenzophenone and at least one 2-hydroxyphenyltriazine, with the proviso that if the polyolefin is polypropylene, no polyvinylpyridin is present c) at least one hydroxybenzophenone and at least one oxanilide; d) at least one 2-hydroxyphenylbenzotriazole and at least one oxanilide; e) at least one 2-hydroxyphenyltriazine and at least one oxanilide; f) at least one hydroxybenzophenone, at least one 2-hydroxyphenylbenzotriazole and at least one oxanilide; g) at least one hydroxybenzophenone, at least one oxanilide and at least one 2-hydroxyphenyltriazine; or h) at least one 2-hydroxyphenylbenzotriazole, at least one oxanilide and at least one 2-hydroxy phenyltriazin

Abstract: A stabilizer mixture containing the components (A) and (B) wherein component (A) is for example a compound of the formula (A-1) wherein A1 is hydrogen or C1-C4alkyl, A2 is a direct bond or C1-C10alkylene, and n1 is a number from 2 to 50; and component (B) is formed by two different low molecular weight sterically hindered amine compounds containing a group of the formula (I) or (II); with the proviso that components (A) and (B) are different.

Abstract: A stabilizer mixture containing the components (A), (B) and (C) wherein component (A) is for example a compound of the formula (A-1) wherein A1 is hydrogen or C1-C4alkyl, A2 is a direct bond or C1-C10alkylene, and n1 is a number from 2 to 50; component (B) is a low molecular weight sterically hindered amine compound containing a group of the formula (I) or (II); and component (C) is a high molecular weight sterically hindered amine compound containing a group of the formula (I); with the proviso that components (A), (B) and (C) are different.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, (B) an organic salt of Ca or an inorganic salt of Ca and (C) an organic salt of Mg, an inorganic salt of Mg, an organic salt of Zn or an inorganic salt of Zn; with the proviso that component (C) is Mg-hydroxide-carbonate, Zn-hydroxide-carbonate or dolomite, when component (B) is calcium stearate.

Abstract: The instant invention relates to a polyolefin composition which comprises d) at least one organic pigment e) at least one sterically hindered amine light stabilizer and f) as UV absorber a mixture of a 2-hydroxyphenyl benzotriazole and a 2-hydroxyphenyl-s-triazine. Further objects of the invention are a method for stabilizing pigmented polyolefins and the use of a UV-absorber mixture of a hydroxyphenyl benzotriazole with a hydroxyphenyl-s-triazine for the stabilization of pigmented polyolefins.

Abstract: A stabilizer mixture containing A) either (A1) at least one compound of the formula in which R1 is for example hydrogen or C1-C8alkyl; R2, R3, R5 and R6 are for example hydrogen, C1-C30alkyl or phenyl; R4 is for example C1-C30alkyl or 2,2,6,6-tetramethyl-4-piperidyl; and n1 is a number from 1 to 50; or (A2) at least one compound of the formulae wherein n2 and n2* are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not contain groups of formulae (I) or (II) in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent ?O; and (2) component (B) is different from a polymer having an acidic hydrogen atom.

Abstract: The novel transparent polyolefin, polyester or polyamide article disclosed is stabilized against the effects of light, oxygen, heat and agressive chemicals by addition of 0.005-0.30% by weight the polymeric substrate of a hydroxyphenyl triazine UV absorber, and is characterized by its thickness between 1 and 500 ?m. Preferred polyolefin articles thus stabilized are agricultural films containing as further stabilizer a sterically hindered amine. The novel compositions act as selective UV filter especially useful in agriculture.

Abstract: A stabilizer mixture containing (I) two different sterically hindered amine compounds, and (II) at least one compound selected from the group consisting of an organic salt of Zn, an inorganic salt of Zn, Zn oxide, Zn hydroxide, an organic salt of Mg, an inorganic salt of Mg, Mg oxide and Mg hydroxide.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) two different compounds selected from the group consisting of an organic salt of Zn, an inorganic salt of Zn, an organic salt of Mg and an inorganic salt of Mg; the weight ratio of the two different compounds being 1:10 to 10:1; with the provisos that (1) the stabilizer mixture is essentially free of perchloric acid, and (2) the two compounds in component (B) are different from the combination ZnO and Zn stearate and the combination ZnO and hydrotalcite; is useful for stabilizing an organic material, in particular a polyolefin, against degradation induced by light, heat or oxidation.

Abstract: A stabilizer mixture containing (I) two different sterically hindered amine compounds, and (II) at least one compound selected from the group consisting of an organic salt of Zn, an inorganic salt of Zn, Zn oxide, Zn hydroxide, an organic salt of Mg, an inorganic salt of Mg, Mg oxide and Mg hydroxide.

Abstract: A composition containing polypropylene prepared by polymerization over a metallocene catalyst or a polypropylene copolymer prepared by polymerization over a metallocene catalyst, and a stabilizer mixture comprising (A) for example the compound of the formula (A-I-1-a)  wherein n1 is a number from 2 to 20; and (B) for example the compound of the formula (B-I-2-a);

Abstract: The instant invention relates to a polyolefin composition which comprises

Abstract: The novel transparent polyolefin, polyester or polyamide article disclosed is stabilized against the effects of light, oxygen, heat and agressive chemicals by addition of 0.005-0.30% by weight the polymeric substrate of a hydroxyphenyl triazine UV absorber, and is characterized by its thickness between 1 and 500 &mgr;m. Preferred polyolefin articles thus stabilized are agricultural films containing as further stabilizer a sterically hindered amine. The novel compositions act as selective UV filter especially useful in agriculture.

Abstract: A stabilizer mixture containing the components (I), (II) and (Ill) wherein component (I) is for example a compound of the formula (B-1-b) 1