US20030199618A1 - Stabilizer mixtures - Google Patents

Stabilizer mixtures Download PDF

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US20030199618A1
US20030199618A1 US10/257,339 US25733902A US2003199618A1 US 20030199618 A1 US20030199618 A1 US 20030199618A1 US 25733902 A US25733902 A US 25733902A US 2003199618 A1 US2003199618 A1 US 2003199618A1
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alkyl
rtm
hydrogen
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Francois Gugumus
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BASF Corp
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Assigned to CIBA SPECIALTY CHEMICALS CORP. reassignment CIBA SPECIALTY CHEMICALS CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GUGUMUS, FRANCOIS
Publication of US20030199618A1 publication Critical patent/US20030199618A1/en
Priority to US11/051,455 priority Critical patent/US20050131115A1/en
Priority to US11/452,143 priority patent/US7628936B2/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
    • C09K15/30—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • C08K5/3432—Six-membered rings
    • C08K5/3435—Piperidines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3462—Six-membered rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34922—Melamine; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
    • C08K5/353—Five-membered rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond

Definitions

  • the present invention relates to a stabilizer mixture containing a specific sterically hindered amine ester or amide, a low molecular weight sterically hindered amine and a high molecular weight sterically hindered amine.
  • Stabilizer mixtures containing blends of sterically hindered amines are for example described in U.S. Pat. No. 4,692,468, U.S. Pat. No. 4,863,981, U.S. Pat. No. 5,719,217, U.S. Pat. No. 5,919,399, U.S. Pat. No. 5,965,643, U.S. Pat. No. 5,980,783, U.S. Pat. No. 6,015,849 and U.S. Pat. No. 6,020,406.
  • the present invention relates to a stabilizer mixture containing the components (A), (B) and (C) wherein component (A) is a compound of the formula (A-1)
  • a 1 is hydrogen or C 1 -C 4 alkyl
  • a 2 is a direct bond or C 1 -C 10 alkylene
  • n 1 is a number from 2 to 50;
  • n 2 and n 2 * are a number from 2 to 50;
  • a 3 and A 4 independently of one another are hydrogen or C 1 -C 8 alkyl, or A 3 and A 4 together form a C 2 -C 14 alkylene group, and
  • n 3 independently of one another are a number from 1 to 50; or
  • n 4 is a number from 2 to 50
  • a 5 is hydrogen or C 1 -C 4 alkyl
  • radicals A 6 and A 7 independently of one another are C 1 -C 4 alkyl or a group of the formula (a-I)
  • a 8 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl,
  • component (B) is a low molecular weight sterically hindered amine compound containing a group of the formula (I) or (II);
  • component (C) is a high molecular weight sterically hindered amine compound containing a group of the formula (I);
  • the compounds of component (B) have a molecular weight up to 1,000 g/mol, for example 155 to 800 g/mol or 155 to 1,000 g/mol or 300 to 800 g/mol or 300 to 1,000 g/mol.
  • Preferred high molecular weight sterically hindered amine compounds are those having a molecular weight of more than 1,000 g/mol, preferably from more than 1,000 up to 100,000 g/mol, e.g. up to 50,000 g/mol or up to 20,000 g/mol.
  • a molecular weight of 1,500 to 15,000 g/mol or 1,500 to 5,000 g/mol is especially preferred.
  • a preferred molecular weight of component (B) is also from more than 800 up to 100,000 g/mol, e.g. up to 50,000 g/mol or up to 20,000 g/mol.
  • a molecular weight of more than 800 up to 15,000 g/mol or more than 800 up to 5,000 g/mol is also preferred.
  • the compounds of the formulae (A-2-a) and (A-2-b) can also be applied as a mixture wherein these two compounds may be present in a weight ratio of 1:20 to 20:1, preferably 1:10 to 10:1.
  • Component (B) is preferably
  • E 1 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl,
  • m 1 is 1, 2 or 4,
  • E 2 is C 1 -C 14 alkylene or a group of the formula (b-I)
  • E 3 is C 1 -C 10 alkyl or C 2 -C 10 alkenyl
  • E 4 is C 1 -C 10 alkylene
  • E 5 and E 6 independently of one another are C 1 -C 4 alkyl, cyclohexyl or methylcyclohexyl, and
  • E 2 is C 4 -C 10 alkanetetrayl
  • two of the radicals E 7 are —COO—(C 1 -C 20 alkyl), and
  • E 9 and E 10 together form C 2 -C 14 alkylene
  • E 11 is hydrogen or a group —Z 1 —COO—Z 2 ,
  • Z 1 is C 2 -C 14 alkylene
  • Z 2 is C 1 -C 24 alkyl
  • E 12 has one of the meanings of E 1 ;
  • radicals E 14 independently of one another are hydrogen or C 1 -C 12 alkyl
  • E 15 is C 1 -C 10 alkylene or C 3 -C 10 alkylidene
  • radicals E 16 independently of one another have one of the meanings of E 1 ;
  • E 17 is C 1 -C 24 alkyl
  • E 18 has one of the meanings of E 1 ;
  • E 19 , E 20 and E 21 independently of one another are a group of the formula (b-III)
  • E 22 has one of the meanings of E 1 ;
  • E 24 is hydrogen, C 1 -C 12 alkyl or C 1 -C 12 alkoxy
  • m 2 is 1, 2 or 3
  • E 25 has one of the meanings of E 1 , and
  • E 26 is C 2 -C 22 alkylene
  • E 26 is a group of the formula (b-IV)
  • radicals E 27 independently of one another are C 2 -C 12 alkylene, and the radicals E 28 independently of one another are C 1 -C 12 alkyl or C 5 -C 12 cycloalkyl; or
  • E 30 is C 2 -C 22 alkylene, C 5 -C 7 cycloalkylene, C 1 -C 4 alkylenedi(C 5 -C 7 cycloalkylene), phenylene or phenylenedi(C 1 -C 4 alkylene).
  • Component (C) is preferably
  • R 1 , R 3 , R 4 and R 5 independently of one another are hydrogen, C 1 -C 12 alkyl, C 5 -C 12 cycloalkyl, C 1 -C 4 -alkyl-substituted C 5 -C 12 cycloalkyl, phenyl, phenyl which is substituted by —OH and/or C 1 -C 10 alkyl; C 7 -C 9 phenylalkyl, C 7 -C 9 phenylalkyl which is substituted on the phenyl radical by —OH and/or C 1 -C 10 alkyl; or a group of the formula (c-I)
  • R 2 is C 2 -C 18 alkylene, C 5 -C 7 cycloalkylene or C 1 -C 4 alkylenedi(C 5 -C 7 cycloalkylene), or
  • radicals R 1 , R 2 and R 3 together with the nitrogen atoms to which they are bonded, perform a 5- to 10-membered heterocyclic ring, or
  • R 4 and R 5 together with the nitrogen atom to which they are bonded, form a 5- to 10-membered heterocyclic ring,
  • R 6 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl, and
  • b 1 is a number from 2 to 50
  • R 7 and R 11 independently of one another are hydrogen or C 1 -C 12 alkyl
  • R 8 , R 9 and R 10 independently of one another are C 2 -C 10 alkylene, and
  • X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 and X 8 independently of one another are a group of the formula (c-II),
  • R 12 is hydrogen, C 1 -C 12 alkyl, C 5 -C 12 cycloalkyl, C 1 -C 4 alkyl-substituted C 5 -C 12 cycloalkyl, phenyl, —OH— and/or C 1 -C 10 alkyl-substituted phenyl, C 7 -C 9 phenylalkyl, C 7 -C 9 phenylalkyl which is substituted on the phenyl radical by —OH and/or C 1 -C 10 alkyl; or a group of the formula (c-I) as defined above, and
  • R 13 has one of the meanings of R 6 ;
  • R 14 is C 1 -C 10 alkyl, C 5 -C 12 cycloalkyl, C 1 -C 4 alkyl-substituted C 5 -C 12 cycloalkyl, phenyl or C 1 -C 10 alkyl-substituted phenyl,
  • R 15 is C 3 -C 10 alkylene
  • R 16 has one of the meanings of R 6 .
  • b 2 is a number from 2 to 50;
  • R 17 and R 21 independently of one another are a direct bond or a —N(X 9 )—CO—X 10 —CO—N(X 11 )— group, where X 9 and X 11 independently of one another are hydrogen, C 1 -C 8 alkyl, C 5 -C 12 cycloalkyl, phenyl, C 7 -C 9 phenylalkyl or a group of the formula (c-I),
  • X 10 is a direct bond or C 1 -C 4 alkylene
  • R 18 has one of the meanings of R 6 .
  • R 19 , R 20 , R 23 and R 24 independently of one another are hydrogen, C 1 -C 30 alkyl, C 5 -C 12 cycloalkyl or phenyl,
  • R 22 is hydrogen, C 1 -C 30 alkyl, C 5 -C 12 cycloalkyl, phenyl, C 7 -C 9 phenylalkyl or a group of the formula (c-I), and
  • b 3 is a number from 1 to 50;
  • R 25 , R 26 , R 27 , R 28 and R 29 independently of one another are a direct bond or C 1 -C 10 alkylene
  • R 30 has one of the meanings of R 6 .
  • b 4 is a number from 1 to 50;
  • a product (C-6) obtainable by reacting a product, obtained by reaction of a polyamine of the formula (C-6-1) with cyanuric chloride, with a compound of the formula (C-6-2)
  • b′ 5 , b′′ 5 and b′′′ 5 independently of one another are a number from 2 to 12,
  • R 31 is hydrogen, C 1 -C 12 alkyl, C 5 -C 12 cycloalkyl, phenyl or C 7 -C 9 phenylalkyl, and
  • R 32 has one of the meanings of R 6 .
  • alkyl having up to 30 carbon atoms examples include methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, 2-ethylbutyl, n-pentyl, isopentyl, 1-methylpentyl, 1,3-dimethyl-butyl, n-hexyl, 1-methylhexyl, n-heptyl, isoheptyl, 1,1,3,3-tetramethylbutyl, 1-methylheptyl, 3-methylheptyl, n-octyl, 2-ethylhexyl, 1,1,3-trimethylhexyl, 1,1,3,3-tetramethylpentyl, nonyl, decyl, undecyl, 1-methylundecyl, dodecyl, 1,1,3,3,5,5-hexamethylhexyl, tridecyl
  • a 8 , E 1 , E 8 , E 12 , E 13 , E 16 , E 18 , E 22 , E 23 , E 25 , E 29 , R 6 , R 13 , R 16 , R 18 , R 30 and R 32 is C 1 -C 4 alkyl, especially methyl.
  • R 31 is preferably butyl.
  • alkoxy having up to 18 carbon atoms are methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, pentoxy, isopentoxy, hexoxy, heptoxy, octoxy, decyloxy, dodecyloxy, tetradecyloxy, hexadecyloxy and octadecyloxy.
  • One of the preferred meanings of E 1 is octoxy.
  • E 24 is preferably C 1 -C 4 alkoxy and one of the preferred meanings of R 6 is propoxy.
  • C 5 -C 12 cycloalkyl examples are cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl and cyclododecyl.
  • C 1 -C 4 Alkyl-substituted C 5 -C 12 cycloalkyl is for example methylcyclohexyl or dimethylcyclohexyl.
  • C 5 -C 12 cycloalkoxy are cyclopentoxy, cyclohexoxy, cycloheptoxy, cyclooctoxy, cyclodecyloxy and cyclododecyloxy.
  • —OH— and/or C 1 -C 10 alkyl-substituted phenyl is for example methylphenyl, dimethylphenyl, trimethylphenyl, tert-butylphenyl or 3,5-di-tert-butyl-4-hydroxyphenyl.
  • C 7 -C 9 phenylalkyl are benzyl and phenylethyl.
  • C 7 -C 9 Phenylalkyl which is substituted on the phenyl radical by —OH and/or by alkyl having up to 10 carbon atoms is for example methylbenzyl, dimethylbenzyl, trimethylbenzyl, tert-butylbenzyl or 3,5-di-tert-butyl-4-hydroxybenzyl.
  • alkenyl having up to 10 carbon atoms are allyl, 2-methallyl, butenyl, pentenyl and hexenyl. Allyl is preferred.
  • the carbon atom in position 1 is preferably saturated.
  • acyl containing not more than 8 carbon atoms are formyl, acetyl, propionyl, butyryl, pentanoyl, hexanoyl, heptanoyl, octanoyl, acryloyl, methacryloyl and benzoyl.
  • C 1 -C 8 Alkanoyl, C 3 -C 8 alkenyl and benzoyl are preferred.
  • Acetyl and acryloyl are especially preferred.
  • alkylene having up to 22 carbon atoms examples include methylene, ethylene, propylene, trimethylene, tetramethylene, pentamethylene, 2,2-dimethyltrimethylene, hexamethylene, trimethylhexamethylene, octamethylene and decamethylene.
  • C 3 -C 10 alkylidene is the group
  • C 4 -C 10 alkanetetrayl is 1,2,3,4-butanetetrayl.
  • C 5 -C 7 cycloalkylene is cyclohexylene.
  • C 1 -C 4 alkylenedi(C 5 -C 7 cycloalkylene) is methylenedicyclohexylene.
  • phenylenedi(C 1 -C 4 alkylene) is methylene-phenylene-methylene or ethylene-phenylene-ethylene.
  • a 6-membered heterocyclic ring is preferred.
  • radicals R 4 and R 5 together with the nitrogen atom to which they are attached, form a 5- to 10-membered heterocyclic ring
  • this ring is for example 1-pyrrolidyl, piperidino, morpholino, 1-piperazinyl, 4-methyl-1-piperazinyl, 1-hexahydroazepinyl, 5,5,7-trimethyl-1-homopiperazinyl or 4,5,5,7-tetramethyl-1-homopiperazinyl.
  • Morpholino is particularly preferred.
  • R 19 and R 23 are phenyl.
  • R 26 is preferably a direct bond.
  • n 1 , n 2 , n 2 * and n 4 are preferably a number from 2 to 25, in particular 2 to 20.
  • n 3 is preferably a number from 1 to 25, in particular 1 to 20.
  • b 1 and b 2 are preferably a number from 2 to 25, in particular 2 to 20.
  • b 3 and b 4 are preferably a number from 1 to 25, in particular 1 to 20.
  • b′ 5 and b′′′ 5 are preferably 3 and b′′ 5 is preferably 2.
  • the product (C-6) can be prepared analogously to known processes, for example by reacting a polyamine of formula (C-6-1) with cyanuric chloride in a molar ratio of from 1:2 to 1:4 in the presence of anhydrous lithium carbonate, sodium carbonate or potassium carbonate in an organic solvent such as 1,2-dichloroethane, toluene, xylene, benzene, dioxane or tert-amyl alcohol at a temperature of from ⁇ 20° C. to +10° C., preferably from ⁇ 10° C. to +10° C., in particular from 0° C.
  • an organic solvent such as 1,2-dichloroethane, toluene, xylene, benzene, dioxane or tert-amyl alcohol
  • the molar ratio of the 2,2,6,6-tetramethyl-4-piperidylamine to polyamine of the formula (C-6-1) employed is for example from 4:1 to 8:1.
  • the quantity of the 2,2,6,6-tetramethyl-4-piperidylamine can be added in one portion or in more than one portion at intervals of a few hours.
  • the molar ratio of polyamine of the formula (C-6-1) to cyanuric chloride to 2,2,6,6-tetramethyl-4-piperidylamine of the formula (C-6-2) is preferably from 1:3:5 to 1:3:6.
  • a further 18 g (0.13 mol) of anhydrous potassium carbonate are added and the mixture is warmed at 60° C. for a further 6 hours.
  • the solvent is removed by distillation under a slight vacuum (200 mbar) and replaced by xylene.
  • 18.2 g (0.085 mol) of N-(2,2,6,6-tetramethyl-4-piperidyl)butylamine and 5.2 g (0.13 mol) of ground sodium hydroxide are added, the mixture is heated at reflux for 2 hours and, for a further 12 hours, the water formed during the reaction is removed by azeotropic distillation.
  • the mixture is filtered.
  • the solution is washed with water and dried over Na 2 SO 4 .
  • the solvent is evaporated and the residue is dried at 120-130° C. in vacuo (0.1 mbar).
  • the desired product is obtained as a colourless resin.
  • the product (C-6) can for example be represented by a compound of the formula (C-6- ⁇ ), (C-6- ⁇ ) or (C-6- ⁇ ). It can also be in the form of a mixture of these three compounds.
  • b 5 is preferably 2 to 20, in particular 2 to 10.
  • Component (A) is preferably TINUVIN 622 (RTM), HOSTAVIN N 30 (RTM) or FERRO AM 806 (RTM).
  • Component (B) is preferably DASTIB 845 (RTM), TINUVIN 770 (RTM), TINUVIN 765 (RTM), TINUVIN 144 (RTM), TINUVIN 123 (RTM), ADK STAB LA 52 (RTM), ADK STAB LA 57 (RTM), ADK STAB LA 62 (RTM), ADK STAB LA 67 (RTM), HOSTAVIN N 20 (RTM), HOSTAVIN N 24 (RTM), SANDUVOR 3050 (RTM), DIACETAM 5 (RTM), SUMISORB TM 61 (RTM), UVINUL 4049 (RTM), SANDUVOR PR 31 (RTM), GOODRITE UV 3034 (RTM), GOODRITE UV 3150 (RTM), GOODRITE UV 3159 (RTM), GOODRITE 3110 ⁇ 128 (RTM) or UVINUL 4050 H (RTM).
  • Component (C) is preferably CHIMASSORB 944 (RTM), CHIMASSORB 2020 (RTM), CYASORB UV 3346 (RTM), CYASORB UV 3529 (RTM), DASTIB 1082 (RTM), CHIMASSORB 119 (RTM), UVASIL 299 (RTM), UVASIL 125 (RTM), UVASIL 2000 (RTM), UVINUL 5050 H (RTM), LICHTSCHUTZSTOFF UV 31 (RTM), LUCHEM HA B 18 (RTM), ADK STAB LA 63 (RTM), ADK STAB LA 68 (RTM) or UVASORB HA 88 (RTM).
  • terminal groups which saturate the free valences in the compounds of the formulae (A-1), (A-2-a), (A-2-b), (A-4), (C-1), (C-3), (C-4), (C-5), (C-6- ⁇ ), (C-6- ⁇ ) and (C-6- ⁇ ) depend on the processes used for their preparation.
  • the terminal groups can also be modified after the preparation of the compounds.
  • a 1 is hydrogen or methyl
  • a dicarboxylic acid diester of the formula Y—OOC—A 2 —COO—Y in which Y is, for example, methyl, ethyl or propyl, and A 2 is as defined above
  • the terminal group bonded to the 2,2,6,6-tetramethyl-4-oxypiperidin-1-yl radical is hydrogen or —CO—A 2 —COO—Y
  • the terminal group bonded to the diacyl radical is —O—Y or
  • the terminal group bonded to the nitrogen can be, for example, hydrogen and the terminal group bonded to the 2-hydroxypropylene radical can be, for example, a
  • the terminal group bonded to the dimethylene radical can be, for example, —OH
  • the terminal group bonded to the oxygen can be, for example, hydrogen.
  • the terminal groups can also be polyether radicals.
  • the end group bonded to the —CH 2 — residue can be, for example, hydrogen and the end group bonded to the —CH(CO 2 A 7 ) residue can be, for example, —CH ⁇ CH—COOA 7 .
  • X is halogen, it is advantageous to replace this, for example, by —OH or an amino group when the reaction is complete.
  • amino groups which may be mentioned are pyrrolidin-1-yl, morpholino, —NH 2 , —N(C 1 -C 8 )alkyl) 2 and —NR(C 1 -C 8 alkyl), in which R is hydrogen or a group of the formula (c-I).
  • R 1 , R 2 , R 3 , R 4 , R 5 and b 1 are as defined above and R 4 * has one of the meanings of R 4 and R 5 * has one of the meanings of R 5 .
  • the terminal group bonded to the silicon atom can be, for example, (R 14 ) 3 Si—O—, and the terminal group bonded to the oxygen can be, for example, —Si(R 14 ) 3 .
  • the compounds of the formula (C-3) can also be in the form of cyclic compounds if b 2 is a number from 3 to 10, i.e. the free valences shown in the structural formula then form a direct bond.
  • the terminal group bonded to the 2,5-dioxopyrrolidine ring is, for example, hydrogen
  • the terminal group bonded to the —C(R 23 )(R 24 )— radical is, for example,
  • the terminal group bonded to the carbonyl radical is, for example,
  • the terminal group bonded to the triazine radical is, for example, Cl or a
  • group, and the terminal group bonded to the amino radical is, for example, hydrogen or a
  • a 8 is preferably hydrogen, C 1 -C 4 alkyl, C 1 -C 10 alkoxy, cyclohexyloxy, allyl, benzyl or acetyl.
  • E 1 , E 8 , E 12 , E 13 , E 16 , E 18 , E 22 , E 23 , E 25 and E 29 are preferably hydrogen, C 1 -C 4 alkyl, C 1 -C 10 alkoxy, cyclohexyloxy, allyl, benzyl or acetyl.
  • R 6 , R 13 , R 16 , R 18 , R 30 and R 32 are preferably hydrogen, C 1 -C 4 alkyl, C 1 -C 10 alkoxy, cyclohexyloxy, allyl, benzyl or acetyl.
  • a 8 , E 1 , E 8 , E 12 , E 13 , E 16 , E, 18 , E 22 , E 23 , E 25 , E 29 , R 6 , R 13 , R 16 , R 18 , R 30 and R 32 are in particular hydrogen or methyl and E 1 and R 6 additionally are C 1 -C 8 alkoxy.
  • a 1 is hydrogen or methyl
  • a 2 is a direct bond or C 2 -C 6 alkylene
  • n 1 is a number from 2 to 25;
  • n 2 and n 2 * are a number from 2 to 25;
  • a 3 and A 4 independently of one another are hydrogen or C 1 -C 4 alkyl, or A 3 and A 4 together form a C 9 -C 13 alkylene group, and
  • n 3 independently of one another are a number from 1 to 25;
  • n 4 is a number from 2 to 25,
  • a 5 and A 6 independently of one another are C 1 -C 4 alkyl
  • a 7 is C 1 -C 4 alkyl or a group of the formula (a-I)
  • m 1 is 1, 2 or 4,
  • E 2 is C 2 -C 10 alkylene or a group of the formula (b-I)
  • E 3 is C 1 -C 4 alkyl
  • E 4 is C 1 -C 6 alkylene
  • E 5 and E 6 independently of one another are C 1 -C 4 alkyl
  • E 2 is C 4 -C 8 alkanetetrayl
  • two of the radicals E 7 are —COO—(C 10 -C 15 alkyl), and
  • two of the radicals E 7 are a group of the formula (b-II);
  • E 11 is hydrogen or a group —Z 1 —COO—Z 2 ,
  • Z 1 is C 2 -C 6 alkylene
  • Z 2 is C 10 -C 16 alkyl
  • E 14 is hydrogen
  • E 15 is C 2 -C 6 alkylene or C 3 -C 5 alkylidene
  • E 17 is C 10 -C 14 alkyl
  • E 24 is C 1 -C 4 alkoxy
  • m 2 is 1,2 or 3
  • E 26 is a group of the formula (b-IV)
  • radicals E 27 independently of one another are C 2 -C 6 alkylene, and the radicals E 28 independently of one another are C 1 -C 4 alkyl or C 5 -C 8 cycloalkyl; and E 30 is C 2 -C 8 alkylene.
  • R 1 and R 3 independently of one another are a group of the formula (c-I),
  • R 2 is C 2 -C 8 alkylene
  • R 4 and R 5 independently of one another are hydrogen, C 1 -C 12 alkyl, C 5 -C 8 cycloalkyl or a group of the formula (c-I), or the radicals R 4 and R 5 , together with the nitrogen atom to which they are bonded, form a 5- to 10-membered heterocyclic ring, and
  • b 1 is a number from 2 to 25;
  • R 7 and R 11 independently of one another are hydrogen or C 1 -C 4 alkyl
  • R 8 , R 9 and R 10 independently of one another are C 2 -C 4 alkylene, and
  • X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 and X 8 independently of one another are a group of the formula (c-II),
  • R 12 is hydrogen, C 1 -C 4 alkyl, C 5 -C 8 cycloalkyl or a group of the formula (c-I);
  • R 14 is C 1 -C 4 alkyl
  • R 15 is C 3 -C 6 alkylene
  • b 2 is a number from 2 to 25;
  • R 17 and R 21 independently of one another are a direct bond or a group —N(X 9 )—CO—X 10 —CO—N(X 11 )—,
  • X 9 and X 11 independently of one another are hydrogen or C 1 -C 4 alkyl
  • X 10 is a direct bond
  • R 19 and R 23 are C 1 -C 25 alkyl or phenyl
  • R 20 and R 24 are hydrogen or C 1 -C 4 alkyl
  • R 22 is C 1 -C 25 alkyl or a group of the formula (c-I), and
  • b 3 is a number from 1 to 25;
  • R 25 , R 26 , R 27 , R 28 and R 29 independently of one another are a direct bond or C 1 -C 4 alkylene, and
  • b 4 is a number from 1 to 25;
  • b′ 5 , b′′ 5 and b′′′ 5 independently of one another are a number from 2 to 4, and
  • R 31 is hydrogen, C 1 -C 4 alkyl, C 5 -C 8 cycloalkyl, phenyl or benzyl.
  • a particularly preferred embodiment of this invention relates to a stabilizer mixture wherein component (A) is a compound of the formula (A-1-a), (A-2-a), (A-2-b), (A-3-a) or (A-4-a);
  • n 1 is a number from 2 to 20;
  • n 2 and n 2 * are a number from 2 to 20;
  • n 3 independently of one another are a number from 1 to 20;
  • n 4 is a number from 2 to 20
  • At least 50% of the radicals A 7 are a group of the formula (a-I)
  • a 8 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl,
  • component (B) is a compound of the formula (B-1-a), (B-1-b), (B-1-c), (B-1-d), (B-2-a), (B-3-a), (B-3-b), (B-4-a), (B-4-b), (B-5), (B-6-a), (B-7), (B-8-a), (B-9-a), (B-9-b), (B-9-c) or (B-10-a);
  • E 1 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl;
  • E 8 has one of the meanings of E 1 ;
  • E 12 has one of the meanings of E 1 ;
  • E 13 has one of the meanings of E 1 ;
  • E 16 has one of the meanings of E 1 ;
  • E 18 has one of the meanings of E 1 ;
  • E 22 has one of the meanings of E 1 ;
  • E 23 has one of the meanings of E 1 ;
  • E 25 has one of the meanings of E 1 ;
  • E 29 has one of the meanings of E 1 ;
  • component (C) is a compound of the formula (C-1-a), (C-1-b), (C-1-c), (C-1-d), (C-2-a), (C-3-a), (C-4-a), (C-4-b), (C-4-c) or (C-5-a) or a product (C-6-a);
  • b 1 is a number from 2 to 20 and R 6 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl;
  • R 13 has one of the meanings of R 6 .
  • b 4 is a number from 1 to 20 and R 30 has one of the meanings of R 6 ;
  • a product (C-6-a) obtainable by reacting a product, obtained by reaction of a polyamine of the formula (C-6-1-a) with cyanuric chloride, with a compound of the formula (C-6-2-a)
  • R 32 has one of the meanings of R 6 .
  • a particularly preferred embodiment of this invention also relates to a stabilizer mixture wherein component (A) is a compound of the formula (A-1-a) wherein n 1 is a number from 2 to 20, or a compound of the formula (A-2-a) or (A-2-b) wherein n 2 and n 2 * are a number from 2 to 20, component (B) is a compound of the formula (B-1-b) wherein E 1 is hydrogen and component (C) is a compound of the formula (C-1-a) wherein b 1 is a number from 2 to 20 and R 6 is hydrogen, or a compound of the formula (C-1-b) wherein R 6 is hydrogen or propoxy and b 1 is a number from 2 to 20, or a compound of the formula (C-1-d) wherein R 6 is hydrogen or methyl and bi is a number from 2 to 20, or a compound of the formula (C-2-a) wherein R 13 is methyl, or a compound of the formula (C-3-a) wherein R 16 is
  • a further particularly preferred embodiment of this invention relates to a stabilizer mixture wherein component (A) is a compound of the formula (A-1-a) wherein n 1 is a number from 2 to 20, or a compound of the formula (A-2-a) or (A-2-b) wherein n 2 and n 2 * are a number from 2 to 20, component (B) is a compound of the formula (B-1-b) wherein E 1 is hydrogen and component (C) is a compound of the formula (C-1-a) wherein b 1 is a number from 2 to 20 and R 6 is hydrogen.
  • Examples of stabilizer mixtures according to the present invention are the following combinations of commercial products:
  • stabilizer mixtures are those wherein in the above combinations 1 to 273 the commercial product TINUVIN 622 (RTM) is replaced by a compound of the formula (A-2-a) and/or (A-2-b)
  • n 2 and n 2 * are a number from 2 to 20.
  • stabilizer mixtures are those wherein in the above combinations 1 to 273 the commercial product TINUVIN 622 (RTM) is replaced by a compound of the formula (A4-a)
  • n 4 is a number from 2 to 20, and at least 50% of the radicals A 7 are a group of the formula
  • Combinations of particular interest are number 1 and the corresponding combination wherein TINUVIN 622 (RTM) is replaced by a compound of the formula (A-2-a) and/or (A-2-b), number 85 and the corresponding combination wherein UVASIL 299 (RTM) is replaced by UVASIL 125 (RTM) or UVASIL 2000 (RTM), as well as number 22, 43, 64, 106, 127 and 253.
  • RTM The commercial product TINUVIN 622 (RTM) corresponds to the compound of the formula (A-1-a).
  • TINUVIN 770 corresponds to the compound of the formula (B-1-b) wherein E 1 is hydrogen.
  • TINUVIN 765 corresponds to the compound of the formula (B-1-b) wherein E 1 is methyl.
  • TINUVIN 123 corresponds to the compound of the formula (B-1-b) wherein E 1 is octyloxy.
  • TINUVIN 144 corresponds to the compound of the formula (B-1-c) wherein E 1 is methyl.
  • HOSTAVIN N 24 corresponds to the compound of the formula (B-3-b) wherein E 12 is hydrogen.
  • RTM The commercial product SANDUVOR 3050 (RTM) corresponds to the compound of the formula (B-3-b-1) shown below, wherein E 12 is hydrogen.
  • the commercial product SUMISORB TM 61 corresponds to the compound of the formula (B-4-b) wherein E 13 is hydrogen.
  • CHIMASSORB 944 corresponds to the compound of the formula (C-1-a) wherein R 6 is hydrogen.
  • CHIMASSORB 2020 corresponds to the compound of the formula (C-1-b) wherein R 6 is hydrogen.
  • RTM The commercial product DASTIB 1082 (RTM) corresponds to the compound of the formula (C-1-c) wherein R 6 is hydrogen.
  • CHIMASSORB 119 corresponds to the compound of the formula (C-2-a) wherein R 13 is methyl.
  • UVASIL 299 corresponds to the compound of the formula (C-3-a) wherein R 16 is hydrogen.
  • UVINUL 5050 H corresponds to the compound of the formula (C-4-a) wherein R 18 is hydrogen.
  • the commercial product LICHTSCHUTZSTOFF UV 31 corresponds to the compound of the formula (C-4-b) wherein R 18 is hydrogen.
  • LUCHEM HA B 18 corresponds to the compound of the formula (C-4-c) wherein R 18 is hydrogen.
  • RTM The commercial product ADK STAB LA 68 (RTM) corresponds to the compound of the formula (C-5-a) wherein R 30 is hydrogen.
  • UVASORB HA 88 corresponds to the product (C-6-a) wherein R 32 is hydrogen.
  • the stabilizer mixture according to this invention is suitable for stabilizing organic materials against degradation induced by light, heat or oxidation.
  • organic materials are the following:
  • Polymers of monoolefins and diolefins for example polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene or polybutadiene, as well as polymers of cycloolefins, for instance of cyclopentene or norbornene, polyethylene (which optionally can be crosslinked), for example high density polyethylene (HDPE), high density and high molecular weight polyethylene (HDPE-HMW), high density and ultrahigh molecular weight polyethylene (HDPE-UHMW), medium density polyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), (VLDPE) and (ULDPE).
  • HDPE high density polyethylene
  • HDPE-HMW high density and high molecular weight polyethylene
  • HDPE-UHMW high density and ultrahigh molecular weight polyethylene
  • MDPE medium density polyethylene
  • LDPE low density polyethylene
  • LLDPE linear low density poly
  • Polyolefins i.e. the polymers of monoolefins exemplified in the preceding paragraph, preferably polyethylene and polypropylene, can be prepared by different, and especially by the following, methods:
  • These metals usually have one or more than one ligand, typically oxides, halides, alcoholates, esters, ethers, amines, alkyls, alkenyls and/or aryls that may be either ⁇ - or ⁇ -coordinated.
  • These metal complexes may be in the free form or fixed on substrates, typically on activated magnesium chloride, titanium(III) chloride, alumina or silicon oxide.
  • These catalysts may be soluble or insoluble in the polymerisation medium.
  • the catalysts can be used by themselves in the polymerisation or further activators may be used, typically metal alkyls, metal hydrides, metal alkyl halides, metal alkyl oxides or metal alkyloxanes, said metals being elements of groups Ia, IIa and/or IIIa of the Periodic Table.
  • the activators may be modified conveniently with further ester, ether, amine or silyl ether groups.
  • These catalyst systems are usually termed Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene or single site catalysts (SSC).
  • Copolymers of monoolefins and diolefins with each other or with other vinyl monomers for example ethylene/propylene copolymers, linear low density polyethylene (LLDPE) and mixtures thereof with low density polyethylene (LDPE), propylene/but-1-ene copolymers, propylene/isobutylene copolymers, ethylene/but-1-ene copolymers, ethylene/hexene copolymers, ethylene/methylpentene copolymers, ethylene/heptene copolymers, ethylene/octene copolymers, propylene/butadiene copolymers, isobutylene/isoprene copolymers, ethylene/alkyl acrylate copolymers, ethylene/alkyl methacrylate copolymers, ethylene/vinyl acetate copolymers and their copolymers with carbon monoxide or ethylene/acrylic acid copolymers and their salts
  • Hydrocarbon resins for example C 5 -C 9
  • hydrogenated modifications thereof e.g. tackifiers
  • mixtures of polyalkylenes and starch
  • Copolymers of styrene or ⁇ -methylstyrene with dienes or acrylic derivatives for example styrene/butadiene, styrene/acrylonitrile, styrene/alkyl methacrylate, styrene/butadiene/alkyl acrylate, styrene/butadiene/alkyl methacrylate, styrene/maleic anhydride, styrene/acrylonitrile/methyl acrylate; mixtures of high impact strength of styrene copolymers and another polymer, for example a polyacrylate, a diene polymer or an ethylene/propylene/diene terpolymer; and block copolymers of styrene such as styrene/butadiene/styrene, styrene/isoprene/styrene, styren
  • styrene or a-methylstyrene for example styrene on polybutadiene, styrene on polybutadiene-styrene or polybutadiene-acrylonitrile copolymers; styrene and acrylonitrile (or methacrylonitrile) on polybutadiene; styrene, acrylonitrile and methyl methacrylate on polybutadiene; styrene and maleic anhydride on polybutadiene; styrene, acrylonitrile and maleic anhydride or maleimide on polybutadiene; styrene and maleimide on polybutadiene; styrene and alkyl acrylates or methacrylates on polybutadiene; styrene and acrylonitrile on ethylene/propylene/diene terpolymers; styrene and alkyl acrylates or methacryl
  • Halogen-containing polymers such as polychloroprene, chlorinated rubbers, chlorinated and brominated copolymer of isobutylene-isoprene (halobutyl rubber), chlorinated or sulfochlorinated polyethylene, copolymers of ethylene and chlorinated ethylene, epichlorohydrin homo- and copolymers, especially polymers of halogen-containing vinyl compounds, for example polyvinyl chloride, polyvinylidene chloride, polyvinyl fluoride, polyvinylidene fluoride, as well as copolymers thereof such as vinyl chloride/vinylidene chloride, vinyl chloride/vinyl acetate or vinylidene chloride/vinyl acetate copolymers.
  • halogen-containing polymers such as polychloroprene, chlorinated rubbers, chlorinated and brominated copolymer of isobutylene-isoprene (halobutyl rubber), chlorinated
  • Copolymers of the monomers mentioned under 9) with each other or with other unsaturated monomers for example acrylonitrile/ butadiene copolymers, acrylonitrile/alkyl acrylate copolymers, acrylonitrile/alkoxyalkyl acrylate or acrylonitrile/vinyl halide copolymers or acrylonitrile/alkyl methacrylate/butadiene terpolymers.
  • Polymers derived from unsaturated alcohols and amines or the acyl derivatives or acetals thereof for example polyvinyl alcohol, polyvinyl acetate, polyvinyl stearate, polyvinyl benzoate, polyvinyl maleate, polyvinyl butyral, polyallyl phthalate or polyallyl melamine; as well as their copolymers with olefins mentioned in 1) above.
  • Polyacetals such as polyoxymethylene and those polyoxymethylenes which contain ethylene oxide as a comonomer; polyacetals modified with thermoplastic polyurethanes, acrylates or MBS.
  • Polyamides and copolyamides derived from diamines and dicarboxylic acids and/or from aminocarboxylic acids or the corresponding lactams for example polyamide 4, polyamide 6, polyamide 6/6, 6/10, 6/9, 6/12, 4/6, 12/12, polyamide 11, polyamide 12, aromatic polyamides starting from m-xylene diamine and adipic acid; polyamides prepared from hexamethylenediamine and isophthalic or/and terephthalic acid and with or without an elastomer as modifier, for example poly-2,4,4,-trimethylhexamethylene terephthalamide or poly-m-phenylene isophthalamide; and also block copolymers of the aforementioned polyamides with polyolefins, olefin copolymers, ionomers or chemically bonded or grafted elastomers; or with polyethers, e.g. with polyethylene glycol, polypropylene glycol or polytet
  • Polyesters derived from dicarboxylic acids and diols and/or from hydroxycarboxylic acids or the corresponding lactones for example polyethylene terephthalate, polybutylene terephthalate, poly-1,4-dimethylolcyclohexane terephthalate, polyalkylene naphthalate (PAN) and polyhydroxybenzoates, as well as block copolyether esters derived from hydroxyl-terminated polyethers; and also polyesters modified with polycarbonates or MBS.
  • Crosslinkable acrylic resins derived from substituted acrylates for example epoxy acrylates, urethane acrylates or polyester acrylates.
  • crosslinked epoxy resins derived from aliphatic, cycloaliphatic, heterocyclic or aromatic glycidyl compounds, e.g. products of diglycidyl ethers of bisphenol A and bisphenol F, which are crosslinked with customary hardeners such as anhydrides or amines, with or without accelerators.
  • Natural polymers such as cellulose, rubber, gelatin and chemically modified homologous derivatives thereof, for example cellulose acetates, cellulose propionates and cellulose butyrates, or the cellulose ethers such as methyl cellulose; as well as rosins and their derivatives.
  • Blends of the aforementioned polymers for example PP/EPDM, Polyamide/EPDM or ABS, PVC/EVA, PVC/ABS, PVC/MBS, PC/ABS, PBTP/ABS, PC/ASA, PC/PBT, PVC/CPE, PVC/acrylates, POM/thermoplastic PUR, PC/thermoplastic PUR, POM/acrylate, POM/MBS, PPO/HIPS, PPO/PA 6.6 and copolymers, PA/HDPE, PA/PP, PA/PPO, PBT/PC/ABS or PBT/PET/PC.
  • polyblends for example PP/EPDM, Polyamide/EPDM or ABS, PVC/EVA, PVC/ABS, PVC/MBS, PC/ABS, PBTP/ABS, PC/ASA, PC/PBT, PVC/CPE, PVC/acrylates, POM/thermoplastic PUR, PC/thermoplastic PUR, POM/acrylate, POM/MBS
  • Naturally occurring and synthetic organic materials which are pure monomeric compounds or mixtures of such compounds, for example mineral oils, animal and vegetable fats, oil and waxes, or oils, fats and waxes based on synthetic esters (e.g. phthalates, adipates, phosphates or trimellitates) and also mixtures of synthetic esters with mineral oils in any weight ratios, typically those used as spinning compositions, as well as aqueous emulsions of such materials.
  • synthetic esters e.g. phthalates, adipates, phosphates or trimellitates
  • synthetic esters e.g. phthalates, adipates, phosphates or trimellitates
  • synthetic esters e.g. phthalates, adipates, phosphates or trimellitates
  • synthetic esters e.g. phthalates, adipates, phosphates or trimellitates
  • synthetic esters e.g. phthalates, adipates, phosphates or trimell
  • This invention therefore additionally relates to a composition
  • a composition comprising an organic material subject to degradation induced by light, heat or oxidation and the stabilizer mixture described herein above.
  • a further embodiment of the present invention is a method for stabilizing an organic material against degradation induced by light, heat or oxidation, which comprises incorporating into the organic material the stabilizer mixture described herein above.
  • the organic material is preferably a synthetic polymer, in particular from one of the above groups.
  • Polyolefins are preferred and polyethylene, polypropylene, a polyethylene copolymer and a polypropylene copolymer are particularly preferred.
  • the components (A), (B) and (C) may be added to the organic material to be stabilized either individually or mixed with one another.
  • Each of the components (A), (B) and (C) may be present in the organic material in an amount of preferably 0.005 to 5%, in particular 0.01 to 1% or 0.05 to 1%, relative to the weight of the organic material.
  • the weight ratio of the components (A):(B) or (A):(C) is preferably 10:1 to 1:100, in particular 10:1 to 1:10 or 5:1 to 1:5 . Further examples for the weight ratio are also 1:1 to 1:10, for example 1:2 to 1:5.
  • the above components can be incorporated into the organic material to be stabilized by known methods, for example before or during shaping or by applying the dissolved or dispersed compounds to the organic material, if necessary with subsequent evaporation of the solvent.
  • the components can be added to the organic material in the form of a powder, granules or a masterbatch, which contains these components in, for example, a concentration of from 2.5 to 25% by weight.
  • the components (A), (B) and (C) can be blended with each other before incorporation in the organic material. They can be added to a polymer before or during the polymerization or before the crosslinking.
  • the materials stabilized according to this invention can be used in a wide variety of forms, for example as films, fibres, tapes, moulding compositions, profiles or as binders for paints, adhesives or putties.
  • the stabilized material may additionally also contain various conventional additives, for example:
  • Alkylated monophenols for example 2,6-di-tert-butyl-4-methylphenol, 2-tert-butyl-4,6-dimethylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2,6-di-tert-butyl-4-isobutylphenol, 2,6-dicyclopentyl-4-methylphenol, 2-( ⁇ -methylcyclohexyl)-4,6-dimethylphenol, 2,6-dioctadecyl-4-methylphenol, 2,4,6-tricyclohexylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, nonylphenols which are linear or branched in the side chains, for example 2,6-di-nonyl-4-methylphenol, 2,4-dimethyl-6-(1-methylundec-1′-yl)phenol
  • Alkylthiomethylphenols for example 2,4-dioctylthiomethyl-6-tert-butylphenol, 2,4-dioctylthiomethyl-6-methylphenol, 2,4-dioctylthiomethyl-6-ethylphenol, 2,6-di-dodecylthiomethyl-4-nonylphenol.
  • Hydroquinones and alkylated hydroquinones for example 2,6-di-tert-butyl-4-methoxyphenol, 2,5-di-tert-butylhydroquinone, 2,5-di-tert-amylhydroquinone, 2,6-diphenyl-4-octadecyloxyphenol, 2,6-di-tert-butylhydroquinone, 2,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyphenyl stearate, bis(3,5-di-tert-butyl-4-hydroxyphenyl) adipate.
  • 2,6-di-tert-butyl-4-methoxyphenol 2,5-di-tert-butylhydroquinone, 2,5-di-tert-amylhydroquinone, 2,6-diphenyl-4-
  • Tocopherols for example ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol, ⁇ tocopherol and mixtures thereof (vitamin E).
  • Hydroxylated thiodiphenyl ethers for example 2,2′-thiobis(6-tert-butyl-4-methylphenol), 2,2′-thiobis(4-octylphenol), 4,4′-thiobis(6-tert-butyl-3-methylphenol), 4,4′-thiobis(6-tert-butyl-2-methylphenol), 4,4′-thiobis(3,6-di-sec-amylphenol), 4,4′-bis(2,6-dimethyl-4-hydroxyphenyl)disulfide.
  • 2,2′-thiobis(6-tert-butyl-4-methylphenol 2,2′-thiobis(4-octylphenol), 4,4′-thiobis(6-tert-butyl-3-methylphenol), 4,4′-thiobis(6-tert-butyl-2-methylphenol), 4,4′-thiobis(3,6-di-sec-amylphenol), 4,4′-bis(2,6-d
  • Alkylidenebisphenols for example 2,2′-methylenebis(6-tert-butyl-4-methylphenol), 2,2′-methylenebis(6-tert-butyl-4-ethylphenol), 2,2′-methylenebis[4-methyl-6-( ⁇ -methylcyclohexyl)phenol], 2,2′-methylenebis(4-methyl-6-cyclohexylphenol), 2,2′-methylenebis(6-nonyl-4-methylphenol), 2,2′-methylenebis(4,6-di-tert-butylphenol), 2,2′-ethylidenebis(4,6-di-tert-butylphenol), 2,2′-ethylidenebis(6-tert-butyl-4-isobutylphenol), 2,2′-methylenebis[6-( ⁇ -methylbenzyl)-4-nonylphenol], 2,2′-methylenebis[6-( ⁇ , ⁇ -dimethylbenzyl)-4-isobutylphenol
  • O-, N- and S-benzyl compounds for example 3,5,3′,5′-tetra-tert-butyl-4,4′-dihydroxydibenzyl ether, octadecyl-4-hydroxy-3,5-dimethylbenzylmercaptoacetate, tridecyl-4-hydroxy-3,5-di-tert-butylbenzylmercaptoacetate, tris(3,5-di-tert-butyl-4-hydroxybenzyl)amine, bis(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)dithioterephthalate, bis(3,5-di-tert-butyl-4-hydroxybenzyl)sulfide, isooctyl-3,5-di-tert-butyl-4-hydroxybenzylmercaptoacetate.
  • 1.8. Hydroxybenzylated malonates for example dioctadecyl-2,2-bis(3,5-di-tert-butyl-2-hydroxybenzyl)malonate, di-octadecyl-2-(3-tert-butyl-4-hydroxy-5-methylbenzyl)malonate, didodecylmercaptoethyl-2,2-bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonate, bis[4-(1,1,3,3-tetramethylbutyl)phenyl]-2,2-bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonate.
  • Aromatic hydroxybenzyl compounds for example 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, 1,4-bis(3,5-di-tert-butyl-4-hydroxybenzyl)-2,3,5,6-tetramethylbenzene, 2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)phenol.
  • Triazine compounds for example 2,4-bis(octylmercapto)-6-(3,5-di-tert-butyl-4-hydroxyanilino)-1,3,5-triazine, 2-octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyanilino)-1,3,5-triazine, 2-octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,3,5-triazine, 2,4,6-tris-(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,2,3-triazine, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 2,4,6
  • Benzylphosphonates for example dimethyl-2,5-di-tert-butyl-4-hydroxybenzylphosphonate, diethyl-3,5-di-tert-butyl-4-hydroxybenzylphosphonate, dioctadecyl3,5-di-tert-butyl-4-hydroxybenzylphosphonate, dioctadecyl-5-tert-butyl-4-hydroxy-3-methylbenzylphosphonate, the calcium salt of the monoethyl ester of 3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid.
  • esters of ⁇ -(3.5-di-tert-butyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabi
  • esters of ⁇ -(5-tert-butyl-4-hydroxy-3-methylphenol)propionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, n-octanol, 1-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis-(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[
  • esters of ⁇ -(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane.
  • esters of 3.5-di-tert-butyl-4-hydroxyphenyl acetic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N′-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane.
  • mono- or polyhydric alcohols
  • 2-(2′-Hydroxyphenyl)benzotriazoles for example 2-(2′-hydroxy-5′-methylphenyl)benzotriazole, 2-(3′,5′-di-tert-butyl-2′-hydroxyphenyl)benzotriazole, 2-(5′-tert-butyl-2′-hydroxyphenyl)benzotriazole, 2-(2′-hydroxy-5′-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole, 2-(3′,5′-di-tert-butyl-2′-hydroxyphenyl)-5-chlorobenzotriazole, 2-(3′-tert-butyl-2′-hydroxy-5′-methylphenyl)-5-chlorobenzotriazole, 2-(3′-sec-butyl-5′-tert-butyl-2′-hydroxyphenyl)benzotriazole, 2-(2′-hydroxy-4′-octyl
  • esters of substituted and unsubstituted benzoic acids for example 4-tert-butylphenyl salicylate, phenyl salicylate, octylphenyl salicylate, dibenzoyl resorcinol, bis(4tert-butylbenzoyl)resorcinol, benzoyl resorcinol, 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate, hexadecyl 3,5-di-tert-butyl-4hydroxybenzoate, octadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, 2-methyl-4,6-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate.
  • Nickel compounds for example nickel complexes of 2,2′-thiobis[4-(1,1,3,3-tetramethylbutyl)phenol], such as the 1:1 or 1:2 complex, with or without additional ligands such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of the monoalkyl esters, e.g. the methyl or ethyl ester, of 4-hydroxy-3,5-di-tert-butylbenzylphosphonic acid, nickel complexes of ketoximes, e.g. of 2-hydroxy-4-methylphenylundecylketoxime, nickel complexes of 1-phenyl-4-lauroyl-5-hydroxypyrazole, with or without additional ligands.
  • additional ligands such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate,
  • Oxamides for example 4,4′-dioctyloxyoxanilide, 2,2′-diethoxyoxanilide, 2,2′-dioctyloxy-5,5′-di-tert-butoxanilide, 2,2′-didodecyloxy-5,5′-di-tert-butoxanilide, 2-ethoxy-2′-ethyloxanilide, N,N′-bis(3-dimethylaminopropyl)oxamide, 2-ethoxy-5-tert-butyl-2′-ethoxanilide and its mixture with 2 -ethoxy-2′-ethyl-5,4′-di-tert-butoxanilide, mixtures of o- and p-methoxy-disubstituted oxanilides and mixtures of o- and p-ethoxy-disubstituted oxanilides.
  • Metal deactivators for example N,N′-diphenyloxamide, N-salicylal-N′-salicyloyl hydrazine, N,N′-bis(salicyloyl)hydrazine, N,N′-bis(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis(benzylidene)oxalyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoyl bisphenylhydrazide, N,N′-diacetyladipoyl dihydrazide, N,N′-bis(salicyloyl)oxalyl dihydrazide, N,N′-bis(salicyloyl)thiopropionyl dihydrazide.
  • N,N′-diphenyloxamide N
  • Phosphites and phosphonites for example triphenyl phosphite, diphenylalkyl phosphites, phenyldialkyl phosphites, tris(nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearylpentaerythritol diphosphite, tris(2,4-di-tert-butylphenyl) phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, bis(2,4-di-cumylphenyl)pentaerythritol diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythr
  • Tris(2,4-di-tert-butylphenyl) phosphite (Irgafos®168, Ciba-Geigy), tris(nonylphenyl) phosphite,
  • Hydroxylamines for example N,N-dibenzylhydroxylamine, N,N-diethylhydroxylamine, N,N-dioctylhydroxylamine, N,N-dilaurylhydroxylamine, N,N-ditetradecylhydroxylamine, N,N-dihexadecylhydroxylamine, N,N-dioctadecylhydroxylamine, N-hexadecyl-N-octadecylhydroxylamine, N-heptadecyl-N-octadecylhydroxylamine, N,N-dialkylhydroxylamine derived from hydrogenated tallow amine.
  • Nitrones for example N-benzyl-alpha-phenylnitrone, N-ethyl-alpha-methylnitrone, N-octyl-alpha-heptylnitrone, N-lauryl-alpha-undecylnitrone, N-tetradecyl-alpha-tridecyinitrone, N-hexadecyl-alpha-pentadecylnitrone, N-octadecyl-alpha-heptadecylnitrone, N-hexadecyl-alpha-heptadecylnitrone, N-ocatadecyl-alpha-pentadecylnitrone, N-heptadecyl-alpha-heptadecylnitrone, N-octadecyl-alpha-hexadecylnitrone, nitrone derived from N,N
  • Thiosynergists for example dilauryl thiodipropionate or distearyl thiodipropionate.
  • Peroxide scavengers for example esters of ⁇ -thiodipropionic acid, for example the lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or the zinc salt of 2-mercapto-benzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfide, pentaerythritol tetrakis( ⁇ -dodecylmercapto)propionate.
  • esters of ⁇ -thiodipropionic acid for example the lauryl, stearyl, myristyl or tridecyl esters
  • mercaptobenzimidazole or the zinc salt of 2-mercapto-benzimidazole zinc dibutyldithiocarbamate
  • dioctadecyl disulfide pentaerythritol tetrakis( ⁇ -dodecyl
  • Polyamide stabilisers for example copper salts in combination with iodides and/or phosphorus compounds and salts of divalent manganese.
  • Basic co-stabilisers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate or zinc pyrocatecholate.
  • Basic co-stabilisers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium ric
  • Nucleating agents for example inorganic substances, such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals; organic compounds, such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate or sodium benzoate; polymeric compounds, such as ionic copolymers (ionomers).
  • inorganic substances such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals
  • organic compounds such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate or sodium benzoate
  • polymeric compounds such as ionic copolymers (
  • Fillers and reinforcing agents for example calcium carbonate, silicates, glass fibres, glass bulbs, asbestos, talc, kaolin, mica, barium sulfate, metal oxides and hydroxides, carbon black, graphite, wood flour and flours or fibers of other natural products, synthetic fibers.
  • additives for example plasticisers, lubricants, emulsifiers, pigments, rheology additives, catalysts, flow-control agents, optical brighteners, flameproofing agents, antistatic agents and blowing agents.
  • the weight ratio of the total amount of components (A), (B) and (C) to the total amount of the conventional additives can be, for example, 100:1 to 1:100 or 10:1 to 1:10.
  • the material thus obtained is compression molded in a laboratory press between two aluminum foils for 6 min at 260° C. to a 0.5 mm thick film which is cooled immediately to room temperature in a water-cooled press. Samples of 60 mm ⁇ 25 mm are cut out of these 0.5 mm films and are exposed in a WEATHER-OMETER Ci 65 (black panel temperature 63 ⁇ 2° C., without water-spraying).
  • the material thus obtained is compression molded in a laboratory press between two aluminum foils for 6 minutes at 260° C. to a 0.5 mm thick film which is cooled immediately to room temperature in a water-cooled press. Samples of 60 mm ⁇ 25 mm are cut out of these 0.5 mm films and are exposed in a WEATHER-OMETER Ci 65 (black panel temperature 63 ⁇ 2° C.; without water-spraying).
  • the exposure time (T 0.1 ) corresponding to the formation of a carbonyl absorbance of 0.1 is a measure for the efficiency of the light stabilizer system.
  • the values obtained are summarized in the following Tables 3A and 3B.
  • TABLE 3A T 0.1 in hours
  • TINUVIN 622 (RTM) The amount of the The amount of the light stabilizers used light stabilizers used Light stabilizer system is 0.075% each*). is 0.05% each*).
  • TINUVIN 770 RTM plus 2700 2980 CHIMASSORB 944 (RTM) TINUVIN 770 (RTM) plus 2495 3035 CHIMASSORB 119 (RTM) TINUVIN 770 (RTM) plus 3130 3510 CYASORB UV 3529 (RTM) TINUVIN 770 (RTM) plus 2790 3295 UVINUL 5050 H (RTM) TINUVIN 770 (RTM) plus 3285 3610 DASTIB 1082 (RTM) TINUVIN 770 (RTM) plus 2670 2915 ADK STAB LA 63 (RTM) TINUVIN 770 (RTM) plus 2725 3425 ADK STAB 68 (RTM) TINUVIN 770 (RTM) plus 2320 3155 LICHTSCHUTZSTOFF UV 31 (RTM)
  • the material thus obtained is compression molded in a laboratory press between two aluminum foils for 6 minutes at 260° C. to a 0.5 mm thick film which is cooled immediately to room temperature in a water-cooled press. Samples of 60 mm ⁇ 25 mm are cut out of these 0.5 mm films and are exposed in a WEATHER-OMETER Ci 65 (black panel temperature 63 ⁇ 2° C.; without water-spraying).
  • the exposure time (T 0.1 ) corresponding to the formation of a carbonyl absorbance of 0.1 is a measure for the efficiency of the light stabilizer system.
  • the values obtained are summarized in the following Tables 4A, 4B, 4C and 4D.
  • TABLE 4A T 0.1 in hours
  • Light stabilizer system in combination with TINUVIN 622 (RTM) The amount of the stabilizers of the light stabilizer system is T 0.1 in hours 0.09% each and the The amount of the amount of TINUVIN light stabilizers used 622 (RTM) is Light stabilizer system is 0.1% each*). 0.02%*).
  • TINUVIN 770 RTM plus 4520 5525 CHIMASSORB 944 (RTM) TINUVIN 770 (RTM) plus 4935 6255 CHIMASSORB 119 (RTM) TINUVIN 770 (RTM) plus 5980 >6930 CYASORB UV 3346 (RTM) TINUVIN 770 (RTM) plus 5365 >6930 UVASIL 299 HM (RTM) TINUVIN 770 (RTM) plus 5785 6805 UVASIL 2000 (RTM) TINUVIN 770 (RTM) plus 6010 6675 CYASORB UV 3529 (RTM) TINUVIN 770 (RTM) plus 2720 3225 UVINUL 5050 H (RTM)
  • a further embodiment of this invention relates to a second stabilizer mixture containing
  • the general disclosure described above also relates to this second stabilizer mixture (which is also useful for stabilizing an organic material against degradation induced by light, heat or oxidation) in appropriate manner.
  • component (AA-2) are described for example in EP-A-1,803 which is also incorporated by reference herein.
  • Preferred compounds of component (AA-2) are FERRO AM 806 (RTM) or KOKANOX (RTM).
  • the weight ratio of the component (AA-1) or (AA-2) to the component (B) or (C) is preferably 10:1 to 1:100, in particular 10:1 to 1:10 or 5:1 to 1:5. Further examples for the weight ratio are also 1:1 to 1:10 such as 1:2 to 1:5.
  • the component (AA-1) or (AA-2) as well as the component (B) or (C) may be present in the material to be stabilized in an amount of preferably 0.005 to 5%, in particular 0.01 to 1% or 0.05 to 1%, relative to the weight of said material.
  • Component (AA-1) is a compound of the formula (AA-1-I) or (AA-1-II)
  • n 100 is a number from 1 to 3, preferably 2;
  • the radicals R 101 independently of one another are C 2 -C 18 cycloalkylene, C 4 -C 8 alkenylene, C 4 -C 20 monooxaalkylene, C 4 -C 20 polyoxaalkylene, C 5 -C 8 cycloalkylene, C 7 -C 10 cycloalkylene-dialkylene, C 8 -C 20 phenylene-dialkylene or a group of the formula
  • m 100 is an integer from 2 to 10;
  • X 100 is a group —O— or —NR 105 —;
  • Y 100 is C 2 -C 12 alkylene, C 4 -C 12 alkylene interrupted by one or two —O— or —NH— groups;
  • radicals R 102 independently of one another are a direct bond, C 1 -C 18 alkylene, C 2 -C 6 alkenylene, C 5 -C 8 cycloalkylene, C 5 -C 8 cycloalkenylene, phenylene, C 7 -C 12 phenylenealkylene or a group of the formula
  • p 100 is 1 or 2;
  • E 100 is hydrogen, C 1 -C 8 alkyl, cyclohexyl, benzyl or an acyl group of the formula R 107 —CO—,
  • R 108 O—CO— or (R 109 )(R 110 )N—CO—;
  • E′ 100 is a group R 111 O— or (R 112 )(R 113 )N—;
  • R 103 is hydrogen, C 1 -C 6 alkyl, C 2 -C 7 alkoxymethyl, phenoxymethyl or tolyloxymethyl,
  • R 104 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl, preferably hydrogen, C 1 -C 4 alkyl, C 1 -C 8 alkoxy or cyclohexyloxy, in particular hydrogen or methyl;
  • R 105 is hydrogen, C 1 -C 12 alkyl, cyclohexyl, phenyl, benzyl, phenylethyl or C 1 -C 8 acyl;
  • R 106 is C 2 -C 12 alkylene, C 4 -C 8 alkenylene or xylylene;
  • R 107 is C 1 -C 12 alkyl, C 2 -C 5 alkenyl, C 5 -C 8 cycloalkyl, phenyl, C 7 -C 12 phenylalkyl or a group of the formula (AA-1-III)
  • R 108 is C 1 -C 12 alkyl, allyl, cyclohexyl or phenyl;
  • R 109 is hydrogen, C 1 -C 8 alkyl, allyl, cyclohexyl, phenyl or C 7 -C 10 alkylphenyl,
  • R 110 is C 1 -C 8 alkyl, allyl, cyclohexyl, phenyl or C 7 -C 10 alkylphenyl; or
  • R 109 and R 110 together with the N atom to which they are attached form a 5-membered to 7-membered heterocyclic ring;
  • R 111 is C 1 -C 12 alkyl, C 3 -C 5 alkenylmethyl, C 5 -C 8 cyloalkyl, phenyl, C 7 -C 10 alkylphenyl, C 7 -C 12 phenylalkyl, C 3 -C 12 alkoxyalkyl, a group —(CH 2 CH 2 O) m100 —CH 3 , a group of the formula (AA-1-III) or a group of the formula (AA-1-IV);
  • R 112 is C 1 -C 12 alkyl, allyl, cyclohexyl, phenyl, benzyl, C 3 -C 12 alkoxyalkyl, C 4 -C 12 dialkylaminoalkyl, a group of the formula (AA-1-III) or a group of the formula (AA-1-V);
  • R 113 is hydrogen, C 1 -C 12 alkyl, allyl, cyclohexyl or a group of the formula (III);
  • Component (AA-2) is a compound of the formula (AA-2-I)
  • n 200 and n 201 are independently of one another a number from 1 to 50;
  • R 201 is hydrogen or C 1 -C 4 alkyl
  • X 201 is —O— or >N—R 202 ;
  • R 202 is hydrogen, C 1 -C 12 alkyl, cyclohexyl, phenyl, benzyl, phenylethyl or C 1 -C 8 acyl;
  • Y 201 is C 1 -C 4 alkyl or a group of the formula (AA-2-II);
  • R 203 is hydrogen, C 1 -C 8 alkyl, O ⁇ , —OH, —CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 6 alkenyl, C 7 -C 9 phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C 1 -C 4 alkyl; or C 1 -C 8 acyl, preferably hydrogen, C 1 -C 4 alkyl, C 1 -C 8 alkoxy or cyclohexyloxy, in particular hydrogen or methyl;
  • Z 200 is ethylene or a group of the formula (AA-2-III)
  • R 204 is hydrogen or C 1 -C 4 alkyl
  • X 202 has one of the meanings Of X 201 ;
  • Y 202 is C 1 -C 18 alkyl or a group of the formula (AA-2-II);
  • [0746] and —Z 200 — in the formula (AA-2-I) can be identical or different, and with the proviso that at least 2%, preferably at least 5%, of the repeating units in the formula (AA-2-I) contain a group of the formula (AA-2-II).
  • the end groups are for example hydrogen or a group —CH ⁇ C(R 201 )—CO—X 201 —Y 201 .
  • the material thus obtained is compression molded in a laboratory press between two aluminum foils for 6 min at 260° C. to a 0.5 mm thick film which is cooled immediately to room temperature in a water-cooled press Samples of 60 mm ⁇ 25 mm are cut out of these 0.5 mm films and are exposed in a WEATHER-OMETER Ci 65 (black panel temperature 63 ⁇ 2° C., without water-spraying).
  • n 200 and n 201 being a number from 2 to 20.

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US10214836B1 (en) * 2017-08-18 2019-02-26 Glen Raven, Inc. Acrylic compositions including a hindered amine light stabilizer and methods of making and using the same
WO2021127388A1 (en) 2019-12-20 2021-06-24 Glen Raven, Inc. Poly(acrylonitrile-co-methyl acrylate) compositions including a hindered amine light stabilizer and methods of making and using the same
US11767616B2 (en) * 2017-08-18 2023-09-26 Glen Raven, Inc. Acrylic compositions including a hindered amine light stabilizer and methods of making and using the same

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AU2001276341B2 (en) 2006-06-08
FR2809738B1 (fr) 2007-03-02
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US20060226394A1 (en) 2006-10-12
AU2001276341C1 (en) 2001-12-11
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IT1324893B (it) 2004-12-02
KR100705557B1 (ko) 2007-04-10
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JP2003535205A (ja) 2003-11-25
CA2406951A1 (en) 2001-12-06
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US20050131115A1 (en) 2005-06-16
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US7628936B2 (en) 2009-12-08
GB2378952A (en) 2003-02-26
CA2406951C (en) 2010-01-12
JP5204363B2 (ja) 2013-06-05
BR0111216B1 (pt) 2011-12-13
NL1018188C2 (nl) 2002-08-06
KR20030005341A (ko) 2003-01-17
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ITMI20011134A1 (it) 2002-11-29

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