Stabilization of acid catalyzed thermoset resins
First Claim
1. A stabilized stoving lacquer composition comprising(a) an acid catalyzed thermoset resin based on hot crosslinkable acrylic, polyester, polyurethane, polyamide or alkyd resins, and(b) an effective oxidative and light stabilizing amount of a hindered amine derivative corresponding to the formulae A-P ##STR16## wherein R is hydrogen or methyl,R1 is independently C1 -C18 alkyl, C2 -C18 alkenyl, C2 -C18 alkynyl, C5 -C12 cycloalkyl, C6 -C10 bicycloalkyl, C5 -C8 cycloalkenyl C6 -C10 aryl, C7 -C9 aralkyl, C7 -C9 aralkyl substituted by alkyl or aryl, or ##STR17## wherein D is C1 -C18 alkyl, C1 -C18 alkoxy, phenyl, phenyl substituted by hydroxy, alkyl or alkoxy, or amino or amino mono- or disubstituted by alkyl or phenyl;
- m is 1-4,when m is 1,R2 is hydrogen, C1 -C18 alkyl optionally interrupted by one or more oxygen atoms, C2 -C12 alkenyl, C6 -C10 aryl, C7 -C18 aralkyl glycidyl, a monovalent acyl radical of an aliphatic, cycloaliphatic, araliphatic or aromatic carboxylic acid, or of a carbamic acid, or ##STR18## wherein x is 0 or 1, or ##STR19## wherein y is 2-4;
when m is 2,R2 is C1 -C12 alkylene, C4 -C12 alkenylene, xylylene, a divalent acyl radical of an aliphatic, cycloaliphatic, araliphatic or aromatic dicarboxylic acid or of a dicarbamic acid;
when m is 3, R2 is a trivalent acyl radical of an aliphatic, unsaturated aliphatic, cycloaliphatic, or aromatic tricarboxylic acid;
when m is 4, R2 is a tetravalent acyl radical of a saturated or unsaturated aliphatic or aromatic tetracarboxylic acid;
p is 1 2 or 3,R3 is hydrogen, C1 -C12 alkyl, C5 -C7 cycloalkyl, C7 -C9 aralkyl, C2 -C18 alkanoyl, C3 -C5 alkenoyl or benzoyl;
when p is 1,R4 is hydrogen, C1 -C18 alkyl, C5 -C7 cycloalkyl, C2 -C8 alkenyl unsubstituted or substituted by a cyano, carbonyl or carbamide group, aryl, aralkyl, or it is glycidyl, a group of the formula --CH2 --CH(OH)--Z or of the formula --CO--Z or --CONH--Z wherein Z is hydrogen, methyl or phenyl;
or a group of the formulae ##STR20## or R3 and R4 together when p is 1 can be alkylene of 4 to 65 carbon atoms or 2-oxopolyalkylene or the cyclic acyl radical of an aliphatic or aromatic 1,2- or 1,3-dicarboxylic acid,when p is 2,R4 is a direct bond or is C1 -C12 alkylene, C6 -C12 arylene, xylylene, a --CH2 CH(OH)--CH2 group, or a group --CH2 --CH(OH)--CH2 --O--X--O--CH2 --CH(OH)--CH2 -- wherein X is C2 -C10 alkylene, C6 -C15 arylene or Chd 6-C12 cycloalkylene;
or, provided that R3 is not alkanoyl, alkenoyl or benzoyl, R4 can also be a divalent acyl radical of an aliphatic, cycloaliphatic or aromatic dicarboxylic acid or dicarbamic acid, or can be the group --CO--;
orR4 is ##STR21## where T8 and T9 are independently hydrogen, alkyl of 1 to 18 carbon atoms, or T8 and T9 together are alkylene of 4 to 6 carbon atoms or 3-oxapentamethylene;
when p is 3,R4 is 2,4,6-triazinyl,n is 1 or 2,when n is 1,R5 and R'"'"'5 are independently C1 -C12 alkyl, C2 -C12 alkenyl, C7 -C12 aralkyl, or R5 is also hydrogen, or R5 and R'"'"'5 together are C2 -C8 alkylene or hydroxylakylene or C4 -C22 acyloxyalkylene;
when n is 2,R5 and R'"'"'5 together are (--CH2)2 C(CH2 --)3 ;
R6 is hydrogen, C1 -C12 alkyl, allyl, benzyl, glycidyl or C2 -C6 alkoxylakyl;
when n is 1,R7 is hydrogen, C1 -C12 alkyl, C3 -C5 alkenyl, C7 -C9 aralkyl, C5 -C7 cycloalkyl, C2 -C4 hydroxyalkyl, C2 -C6 alkoxyalkyl, C6 -C10 aryl, glycidyl, a group of the formula --(CH2)t --COO--Q or of the formula --(CH2)t --O--CO--Q wherein t is 1 or 2, and Q is C1 -C4 alkyl or phenyl;
orwhen n is 2,R7 is C2 -C12 alkylene, C6 -C12 arylene, a group --CH2 CH(OH)--CH2 O--X--O--CH2 --CH(OH)--CH2 -- wherein X is C2 -C10 alkylene, C6 -C15 arylene or C6 -C12 cycloalkylene, or a group --CH2 CHY(OZ'"'"')CH2 --(OCH2 --CH(OZ'"'"')CH2)2 -- wherein Z'"'"' is hydrogen, C1 -C18 alkyl, allyl, benzyl, C2 -C12 alkanoyl or benzoyl;
Q1 is --N(R8)-- or --O--;
E is C1 -C3 alkylene, the group --CH2 --CH(R9)--O-- wherein R9 is hydrogen, methyl or phenyl, the group --(CH2)3 --NH-- or a direct bond;
R10 is hydrogen or C1 -C18 alkyl;
R8 is hydrogen, C1 -C18 alkyl, C5 -C7 cycloalkyl, C7 -C12 aralkyl, cyanoethyl, C6 -C10 aryl, the group --CH2 --CH(R9)--OH wherein R9 has the meaning defined above;
a group of the formula ##STR22## or a group of the formula ##STR23## wherein G1 can be C2 -C6 alkylene or C6 -C12 arylene;
or R8 is a group --E--CO--NH--CH2 --OR10 ;
T3 is ethylene or 1,2-propylene, or is the repeating structural unit derived from an alpha-olefin copolymer with an alkyl acrylate or methacrylate;
k is 2 to 100;
T4 has the same meaning as R4 when p is 1 or 2,T5 is methyl,T6 is methyl or ethyl, or T5 and T6 together are tetramethylene or pentamethylene;
M and Y are independently methylene or carbonyl;
T7 is the same as R7 ;
T10 and T11 are independently alkylene of 2 to 12 carbon atoms, or T11 is ##STR24## T12 is piperazinyl, ##STR25## wherein R11 is the same as R3 or is also ##STR26## a, b and c are independently 2 or 3, and f is 0 or 1;
e is 2, 3 or 4;
T13 is the same as R2 with the proviso that T13 cannot be hydrogen when n is 1;
E1 and E2, being different, each are --CO-- or --N(E5)-- wherein E5 is hydrogen, C1 -C12 alkyl or C4 -C22 alkoxycarbonylalkyl;
E3 is hydrogen, alkyl of 1 to 30 carbon atoms, phenyl, naphtyl, said phenyl or said naphthyl substituted by chlorine or by alkyl of 1 to 4 carbon atoms, or phenylalkyl of 7 to 12 carbon atoms, or said phenylalkyl substituted by alkyl of 1 to 4 carbon atoms;
E4 is hydrogen, alkyl of 1 to 30 carbon atoms, phenyl, naphthyl or phenylalkyl of 7 to 12 carbon atoms, orE3 and E4 together are polymethylene of 4 to 17 carbon atoms, or said polymethylene substituted by up to four alkyl groups of 1 to 4 carbon atoms;
R2 of formula (N) is a previously defined when m is 1;
G is a direct bond, C1 -C12 alkylene, phenylene or --NH--G'"'"'-NH wherein G'"'"' is C1 -C12 alkylene; and
E6 is an aliphatic or aromatic tetravalent radical.
3 Assignments
0 Petitions
Accused Products
Abstract
N-OR1 substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions providing enhanced resistance against the deleterious effects of light, moisture or oxygen without inhibition of cure.
86 Citations
29 Claims
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1. A stabilized stoving lacquer composition comprising
(a) an acid catalyzed thermoset resin based on hot crosslinkable acrylic, polyester, polyurethane, polyamide or alkyd resins, and (b) an effective oxidative and light stabilizing amount of a hindered amine derivative corresponding to the formulae A-P ##STR16## wherein R is hydrogen or methyl, R1 is independently C1 -C18 alkyl, C2 -C18 alkenyl, C2 -C18 alkynyl, C5 -C12 cycloalkyl, C6 -C10 bicycloalkyl, C5 -C8 cycloalkenyl C6 -C10 aryl, C7 -C9 aralkyl, C7 -C9 aralkyl substituted by alkyl or aryl, or ##STR17## wherein D is C1 -C18 alkyl, C1 -C18 alkoxy, phenyl, phenyl substituted by hydroxy, alkyl or alkoxy, or amino or amino mono- or disubstituted by alkyl or phenyl; -
m is 1-4, when m is 1, R2 is hydrogen, C1 -C18 alkyl optionally interrupted by one or more oxygen atoms, C2 -C12 alkenyl, C6 -C10 aryl, C7 -C18 aralkyl glycidyl, a monovalent acyl radical of an aliphatic, cycloaliphatic, araliphatic or aromatic carboxylic acid, or of a carbamic acid, or ##STR18## wherein x is 0 or 1, or ##STR19## wherein y is 2-4;
when m is 2,R2 is C1 -C12 alkylene, C4 -C12 alkenylene, xylylene, a divalent acyl radical of an aliphatic, cycloaliphatic, araliphatic or aromatic dicarboxylic acid or of a dicarbamic acid; when m is 3, R2 is a trivalent acyl radical of an aliphatic, unsaturated aliphatic, cycloaliphatic, or aromatic tricarboxylic acid; when m is 4, R2 is a tetravalent acyl radical of a saturated or unsaturated aliphatic or aromatic tetracarboxylic acid; p is 1 2 or 3, R3 is hydrogen, C1 -C12 alkyl, C5 -C7 cycloalkyl, C7 -C9 aralkyl, C2 -C18 alkanoyl, C3 -C5 alkenoyl or benzoyl; when p is 1, R4 is hydrogen, C1 -C18 alkyl, C5 -C7 cycloalkyl, C2 -C8 alkenyl unsubstituted or substituted by a cyano, carbonyl or carbamide group, aryl, aralkyl, or it is glycidyl, a group of the formula --CH2 --CH(OH)--Z or of the formula --CO--Z or --CONH--Z wherein Z is hydrogen, methyl or phenyl;
or a group of the formulae ##STR20## or R3 and R4 together when p is 1 can be alkylene of 4 to 65 carbon atoms or 2-oxopolyalkylene or the cyclic acyl radical of an aliphatic or aromatic 1,2- or 1,3-dicarboxylic acid,when p is 2, R4 is a direct bond or is C1 -C12 alkylene, C6 -C12 arylene, xylylene, a --CH2 CH(OH)--CH2 group, or a group --CH2 --CH(OH)--CH2 --O--X--O--CH2 --CH(OH)--CH2 -- wherein X is C2 -C10 alkylene, C6 -C15 arylene or Chd 6-C12 cycloalkylene;
or, provided that R3 is not alkanoyl, alkenoyl or benzoyl, R4 can also be a divalent acyl radical of an aliphatic, cycloaliphatic or aromatic dicarboxylic acid or dicarbamic acid, or can be the group --CO--;
orR4 is ##STR21## where T8 and T9 are independently hydrogen, alkyl of 1 to 18 carbon atoms, or T8 and T9 together are alkylene of 4 to 6 carbon atoms or 3-oxapentamethylene; when p is 3, R4 is 2,4,6-triazinyl, n is 1 or 2, when n is 1, R5 and R'"'"'5 are independently C1 -C12 alkyl, C2 -C12 alkenyl, C7 -C12 aralkyl, or R5 is also hydrogen, or R5 and R'"'"'5 together are C2 -C8 alkylene or hydroxylakylene or C4 -C22 acyloxyalkylene; when n is 2, R5 and R'"'"'5 together are (--CH2)2 C(CH2 --)3 ; R6 is hydrogen, C1 -C12 alkyl, allyl, benzyl, glycidyl or C2 -C6 alkoxylakyl; when n is 1, R7 is hydrogen, C1 -C12 alkyl, C3 -C5 alkenyl, C7 -C9 aralkyl, C5 -C7 cycloalkyl, C2 -C4 hydroxyalkyl, C2 -C6 alkoxyalkyl, C6 -C10 aryl, glycidyl, a group of the formula --(CH2)t --COO--Q or of the formula --(CH2)t --O--CO--Q wherein t is 1 or 2, and Q is C1 -C4 alkyl or phenyl;
orwhen n is 2, R7 is C2 -C12 alkylene, C6 -C12 arylene, a group --CH2 CH(OH)--CH2 O--X--O--CH2 --CH(OH)--CH2 -- wherein X is C2 -C10 alkylene, C6 -C15 arylene or C6 -C12 cycloalkylene, or a group --CH2 CHY(OZ'"'"')CH2 --(OCH2 --CH(OZ'"'"')CH2)2 -- wherein Z'"'"' is hydrogen, C1 -C18 alkyl, allyl, benzyl, C2 -C12 alkanoyl or benzoyl; Q1 is --N(R8)-- or --O--; E is C1 -C3 alkylene, the group --CH2 --CH(R9)--O-- wherein R9 is hydrogen, methyl or phenyl, the group --(CH2)3 --NH-- or a direct bond; R10 is hydrogen or C1 -C18 alkyl; R8 is hydrogen, C1 -C18 alkyl, C5 -C7 cycloalkyl, C7 -C12 aralkyl, cyanoethyl, C6 -C10 aryl, the group --CH2 --CH(R9)--OH wherein R9 has the meaning defined above;
a group of the formula ##STR22## or a group of the formula ##STR23## wherein G1 can be C2 -C6 alkylene or C6 -C12 arylene;
or R8 is a group --E--CO--NH--CH2 --OR10 ;T3 is ethylene or 1,2-propylene, or is the repeating structural unit derived from an alpha-olefin copolymer with an alkyl acrylate or methacrylate; k is 2 to 100; T4 has the same meaning as R4 when p is 1 or 2, T5 is methyl, T6 is methyl or ethyl, or T5 and T6 together are tetramethylene or pentamethylene; M and Y are independently methylene or carbonyl; T7 is the same as R7 ; T10 and T11 are independently alkylene of 2 to 12 carbon atoms, or T11 is ##STR24## T12 is piperazinyl, ##STR25## wherein R11 is the same as R3 or is also ##STR26## a, b and c are independently 2 or 3, and f is 0 or 1;
e is 2, 3 or 4;T13 is the same as R2 with the proviso that T13 cannot be hydrogen when n is 1; E1 and E2, being different, each are --CO-- or --N(E5)-- wherein E5 is hydrogen, C1 -C12 alkyl or C4 -C22 alkoxycarbonylalkyl; E3 is hydrogen, alkyl of 1 to 30 carbon atoms, phenyl, naphtyl, said phenyl or said naphthyl substituted by chlorine or by alkyl of 1 to 4 carbon atoms, or phenylalkyl of 7 to 12 carbon atoms, or said phenylalkyl substituted by alkyl of 1 to 4 carbon atoms; E4 is hydrogen, alkyl of 1 to 30 carbon atoms, phenyl, naphthyl or phenylalkyl of 7 to 12 carbon atoms, or E3 and E4 together are polymethylene of 4 to 17 carbon atoms, or said polymethylene substituted by up to four alkyl groups of 1 to 4 carbon atoms; R2 of formula (N) is a previously defined when m is 1; G is a direct bond, C1 -C12 alkylene, phenylene or --NH--G'"'"'-NH wherein G'"'"' is C1 -C12 alkylene; and E6 is an aliphatic or aromatic tetravalent radical. - View Dependent Claims (2, 5, 9, 10, 11, 12, 13, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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3. 4-diacetoxy-2,2,6,6-tetramethylpiperdine,
1-acetoxy-4-hydroxy-2,2,6,6-tetramethylpiperidine, (1-acetoxy-2,2,6,6-tetramethylpiperdin-4-yl)-4-hydroxy-3,5-di-tert.butylbenzoate, 2-(4-hydroxy-3,5-di-tert.butylbenzyl)-2-(1-acetoxy-2,2,6,6-tetramethylpiperidin-4-yl) n-butylamalonate, N-(1-acetoxy-2,2,6,6-tetramethylpiperdin-4-yl)-N-(n-butyl)-4-(4-hydroxy-3,5-di-tert.butylbenzoyloxy) -3,5-di-tert.butylbenzamide, 1,6-di-(N-acetyl-N-(1-acetoxy-2,2,6,6-tetramethylpiperidin-4-yl)]aminohexane, di-(1-acetoxy-2,2,6,6-tetramethylpiperidin-4-yloxy)-hexane-1,6-dicarbamate, 1-acetoxy-4-(N-acetyl-N-n-dodecylamino)-2,2,6,6-tetramethylpiperidine, di-(1-propionoxy-2,2,6,6-tetramethylpiperdin-4-yl) succinate, di-(4-n-octadecanoyloxy-2,2,6,6-tetramethylpiperidin-1-yl)oxalate, 1,4-di-(2-ethylhexanoyloxy)-2,2,6,6-tetramethylpiperidine, di-(1-benzoyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate, 1-benzoyloxy-4-(N-n-butyl-N-benzoylamino)-2,2,6,6-tetramethylpiperidine, 1-(1-benzoyloxy-2,2,6,6-tetramethylpiperdin-4-yl)azepin-2-one, [1-benzoyloxy-1'"'"'-benzyloxy-di-(2,2,6,6-tetramethylpiperdin-4-yl)]isophthalate, 1,4-di-(4-hydroxy-3,5-di-tert-butylbenzoyloxy)-2,2,6,6-tetramethylpiperidine, n-butyl-(4-benzoyloxy-2,2,6,6-tetramethylpiperidin-4-yl)carbonate, 1-carbamoyloxy-4-benzoyloxy-2,2,6,6-tetramethylpiperidine, di-(1-carbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-(1-n-butylcarbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl) 2,2-diethylmalonate, di-(4-benzoyloxy-2,2,6,6-tetramethylpiperidin-1-yl)-2,4,4-trimethylhexane-1,6-dicarbamate, 1,4-dimethoxy-2,2,6,6-tetramethylpiperidine, 4-benzoyloxy-1-methoxy-2,2,6,6-tetramethylpiperidine, di-(1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate, alpha,alpha'"'"'-(di-1-ethoxy-2,2,6,6-tetramethylpiperidin-4-yloxy)-p-xylene, di-(1-benzyloxy-2,2,6,6-tetramethylpiperidin-4-yl) phthalate, di-(1-benzyloxy-2,2,6,6-tetramethylpiperidin-4-yl)diethylmalonate poly-{[6-1,1,3,3-tetramethylbutyl)-imino]-1,2,5-triazine-2,4-diyl][2-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidyl) -imino]-hexamethylene-[4-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidyl) -imino]}, (1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-3,5-di-t.butyl-4-hydroxybenzoate, 1-cyclohexyloxy-4-octadecanoyloxy-2,2,6,6-tetramethylpiperidine, di-(1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl)succinate, di-(1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl) isophthalate, di-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)isophthalate, 4-benzoyloxy-1-(alpha-methylbenzyloxy)-2,2,6,6-tetramethylpiperdine, di-[1-(alpha-methylbenzyloxy)-2,2,6,6-tetramethylpiperidin-4-yl]sebacate, di-(1-heptyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-[1-(alpha-methylbenzyloxy)-2,2,6,6-tetramethylpiperidin-4-yl]aterephthalate, di-(1-ethoxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-(1-cumyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, 3,15-di-alpha-methylbenzyloxy-2,2,4,4,14,14,16,16-octamethyl-7,11,18,21-tetraoxa-3,15-diazatrispiro[5.2.2.5.2. 2]heneicosane, 3,15-dicyclohexyloxy-2,2,4,4,14,14,16,16-octamethyl-7,11,18,21-tetraoxa-3,15-diazatrispiro [5.2.2.5.2.2]heneicosane, di-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)succinate, di-[1-alpha-methylbenzyloxy)-2,2,6,6-tetramethylpiperidin-4-yl]succinate, di-(1-nonyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-(1-octadecyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate, di-(1-nonyloxy-2,2,6,6-tetramethylpiperidin-4-yl)succinate. di-[1-(1-methylcyclohexyloxy)-2,2,6,6-tetramethylpiperidin-4-yl]sebacate, di-[1-(3-cyclohexene-1-yloxy)-2,2,6,6-tetramethylpiperidin-4-yl]sebacate, di-(1-tert.butoxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate, di-(1-carbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl) n-butylmalonate, di-[1-(bicyclo-[4.4.0]-decyl-1-oxy)-2,2,6,6-tetramethylpiperidin-4-yl]sebacate, di-(1-n-butylcarbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl)phthalate, di-(1-n-butylcarbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl) n-butylmalonate, di-(1-phenylcarbamoyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate, 4-benzoyloxy-1-benzyloxy-2,2,6,6-tetramethylpiperidine, di-(1-octyloxy-2,2,6,6-tetramethylpiperidin-4-yl) sebacate, di-(1-benzyloxy-2,2,6,6-tyetramethylpiperidin-4-yl) sebacate, N, N'"'"', N", N'"'"'"-tetrakis{2,4-bis[N-1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)n-butylamino ]-1,3,5-triazin-6-yl}-3,3'"'"'-ethylenediiminodipropylamine,
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4. 4,6-tris[N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-n-butylamino]-1,3,5-triazin,
2,4-bis[N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl) -n-butylamino]-6-morpholino-1,3,5-triazine, N,N'"'"'-bis(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-N,N═ - -bis {2,4-bis[N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-n-butylamino]-1,3,5-triazin-6-yl}hexamethylene diamine,
N,N'"'"'-bis{2,4-bis[N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl) -n-butylamino]-1,3,5-triazin-6-yl}piperazine, N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl) succinimide, N-(1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl)n-dodecyl succinimide, tetrakis(1-octyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-1,2,3,4-butanetetracarboxylate, and (1-methoxy-2,2,6,6-tetramethylpiperidin-4-yl)(1-octyloxy-2,2,6,6-tetramethylpiperidin-4-yl)sebacate.
- -bis {2,4-bis[N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-n-butylamino]-1,3,5-triazin-6-yl}hexamethylene diamine,
Specification