Patent ID: 6380285
Filing Date: 2002-04-30
Classification: C07D,C08K

Abstract:
A composition stabilized against thermal, oxidative or light-induced degradation which comprises(a) an organic material subject to thermal, oxidative or light-induced degradation, and (b) an effective stabilizing amount of a compound of formula I, II or III whereinG1 and G1â€² are independently hydrogen or halogen, G2 and G2â€² are independently hydrogen, halogen, nitro, cyano, E3SOâ€”, E3SO2â€”, â€”COOG3, perfluoroalkyl of 1 to 12 carbon atoms, â€”P(O)(C6H5)2, â€”COâ€”G3, â€”COâ€”NHâ€”G3, â€”COâ€”N(G3)2â€”N(G3)â€”COâ€”G3, G3 is hydrogen, straight or branched chain alkyl of 1 to 24 carbon atoms, straight of branched chain alkenyl of 2 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by 1 to 4 alkyl of 1 to 4 carbon atoms; or G3 is T1 or T2, E1 is hydrogen, straight or branched chain alkyl of 1 to 24 carbon atoms, straight or branched chain alkenyl of 2 to 24 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by 1 to 4 alkyl of 1 to 4 carbon atoms; or E1 is alkyl of 1 to 24 carbon atoms substituted by one or two hydroxy groups; or E1 is the group â€”(CH2)mâ€”COâ€”Xâ€”T1 where m is 0, 1 or 2; or E1 is the group â€”(CH2)pâ€”Xâ€”COâ€”T2 where p is 1, 2 or 3, E2 and E2â€² are independently straight or branched alkyl chain of 1 to 24 carbon atoms, straight or branched chain alkenyl of 2 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by one to three alkyl of 1 to 4 carbon atoms; or E2 and E2â€² are independently said alkyl of 1 to 24 carbon atoms or said alkenyl of 2 to 18 carbon atoms substituted by one or more â€”OH, â€”OCOE11, â€”OE4, â€”NH2, â€”NHCOE11, â€”NHE4 or â€”N(E4)2, or mixtures thereof, where E4 is straight or branched chain alkyl of 1 to 24 carbon atoms; or said alkyl or said alkenyl interrupted by one or more â€”Oâ€”, â€”NHâ€” or â€”NE4â€” groups or mixtures thereof and which can be unsubstituted or substituted by one or more â€”OH, â€”OE4 or â€”NH2 groups or mixtures thereof; or E2 and E2â€² are independently â€”(CH2)mâ€”COâ€”Xâ€”T1 or â€”(CH2)pâ€”Xâ€”COâ€”T2, or E4 is T1 or T2, X is â€”Oâ€” or â€”N(E16)â€”, E16 is hydrogen, C1-C12-alkyl, C3-C12-alkyl interrupted by 1 to 3 oxygen atoms, or is cyclohexyl or C7-C15aralkyl, E11 is a straight or branched chain C1-C18alkyl, C5-C12cycloalkyl, straight or branched chain C2-C18alkenyl, C6-C14aryl or C7-C15aralkyl; or E11 is T1 or T2, E3 is alkyl of 1 to 20 carbon atoms, hydroxyalkyl of 2 to 20 carbon atoms, alkenyl of 3 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, aryl of 6 to 10 carbon atoms or said aryl substituted by one or two alkyl of 1 to 4 carbon atoms or 1,1,2,2-tetrahydroperfluoroalkyl where the perfluoroalkyl moiety is of 6 to 16 carbon atoms, L is alkylene of 1 to 12 carbon atoms, alkylidene of 2 to 12 carbon atoms, benzylidene, p-xylylene, &agr;,&agr;,&agr;â€²,&agr;â€²-tetramethyl-m-xylylene or cycloalkylidene, and T is â€”SOâ€”, â€”SO2â€”, â€”SOâ€”Eâ€”SOâ€”, â€”SO2â€”Eâ€”SO2â€”, â€”COâ€”, â€”COâ€”CH2â€”COâ€”, â€”COâ€”Eâ€”COâ€”, â€”COOâ€”Eâ€”OCOâ€” or â€”COâ€”NG5â€”Eâ€”NG5â€”COâ€”, where E is alkylene of 2 to 12 carbon atoms, cycloalkylene of 5 to 12 carbon atoms, or alkylene interrupted or terminated by cyclohexylene of 8 to 12 carbon atoms; G5 is G3 or hydrogen, T1 is straight or branched chain alkyl of 25 to 100 carbon atoms, or said alkyl substituted by one hydroxyl group and interrupted by one oxa moiety, or a mixture of such alkyl moieties; or T1 is â€”(Râ€”O)nâ€”Râ€”OGx where R is ethylene, propylene, trimethylene, 1,2-butylene or tetramethylene, and n is 6 to 49 so that the total number of carbon atoms in T1 is at least 25, Gx is hydrogen, straight or branched chain alkyl of 1 to 24 carbon atoms, straight of branched chain alkenyl of 2 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by 1 to 4 alkyl of 1 to 4 carbon atoms, T2 is straight or branched alkyl of 23 to 100 carbon atoms; and with the proviso that at least one of E1, E2 and E2â€² is a group â€”(CH2)mâ€”COâ€”Xâ€”T1 or a group â€”(CH2)pâ€”Xâ€”COâ€”T2 or at least one of G2 and G2â€² is a group â€”COOG3, â€”COâ€”G3, â€”COâ€”NHâ€”G3, â€”COâ€”N(G3)2, â€”N(G3)â€”COâ€”G3, where G3 is T1 or T2.