Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-05-17
1994-11-29
Morgan, Kriellion S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
252407, C08K 515, C09K 1506
Patent
active
053691598
ABSTRACT:
Compounds of the formula (1) ##STR1## in which R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another, are hydrogen, C.sub.1 -C.sub.25 alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 -alkly-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.1 -C.sub.18 alkoxy, hydroxyl, C.sub.1 -C.sub.25 alkanoyloxy, C.sub.3 -C.sub.25 alkenoyloxy, C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyloxy or C.sub.1 -C.sub.12 alkyl-substituted benzoyloxy, where R.sub.16 is hydrogen or C.sub.1 -C.sub.8 alkyl, or, furthermore, the radicals R.sub.2 and R.sub.3 or the radicals R.sub.4 and R.sub.5 together with the carbon atoms to which they are bound form a phenyl ring, R.sub.4 is additionally --(CH.sub.2).sub.n --COR.sub.11, in which n is 0, 1 or 2, R.sub.11 is hydroxyl, ##EQU1## C.sub.1 -C.sub.18 alkoxy or ##STR2## R.sub.14 and R.sub.15, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl, M is an r-valent metal cation and r is 1, 2 or 3, R.sub.7, R.sub.8, R.sub.9 and R.sub.10, independently of one another, are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, with the proviso that at least one of the radicals R.sub.7, R.sub.8, R.sub.9 and R.sub.10 is hydrogen and, in the case where R.sub.3, R.sub.5, R.sub.6, R.sub.7 and R.sub.10 are hydrogen, R.sub.4 is additionally a radical of the formula (2) ##STR3## in which R.sub.2, R.sub.8 and R.sub.9 are as defined above and R.sub.1 is as defined below for m=1, and R.sub.12 and R.sub.13, independently of one another, are hydrogen, C.sub.1 -C.sub.12 alkyl or phenyl, m is 1 or 2, and, in the case where m is 1, R.sub.1 is hydrogen, C.sub.1 -C.sub.25 alkanoyl, C.sub.3 -C.sub.25 alkenoyl, C.sub.3 -C.sub.25 alkanoyl which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyl, benzoyl or C.sub.1 -C.sub.12 alkyl-substituted benzoyl, R.sub.16 is as defined above and R.sub.6 is hydrogen or a radical of the formula (3) ##STR4## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are as defined above, and, in the case where m is 2, R.sub.1 is ##STR5## in which R.sub.17 is a direct bond, C.sub.1 -C.sub.18 alkylene, C.sub.2 -C.sub.18 alkylene which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.2 -C.sub.18 alkenylene, C.sub.2 -C.sub.20 alkylidene, C.sub.7 -C.sub.20 phenylalkylidene, C.sub.5 -C.sub.8 cycloalkylene, C.sub.7 -C.sub.8 bicycloalkylene or phenylene, R.sub.16 is as defined above and R.sub.6 is hydrogen, are described as stabilizers for organic materials against oxidative, thermal or light-induced degradation.
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Ciba-Geigy Corporation
Hall Luther A. R.
Morgan Kriellion S.
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