Piperidine compounds containing silane groups as stabilizers for

Details Piperidine compounds containing silane groups as stabilizers for Piperidine compounds containing silane groups as stabilizers for

1995-11-21

1996-10-01

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524100, 524102, 544198, 546 14, C08K 53492, C08K 53435, C07D40114, C07D4012, C07D21158, C07D21148

Patent

active

055611796

ABSTRACT:
Compounds of the formula (I) ##STR1## in which m and n are numbers from 1 to 50; A is --O-- or >N--R.sub.6 where R.sub.6 is e.g. hydrogen or C.sub.1 -C.sub.18 alkyl; R.sub.1 and R.sub.4, which may be identical or different, are C.sub.1 -C.sub.18 alkyl, phenyl, C.sub.1 -C.sub.8 alkoxy, OH, ONa or OK; R.sub.2 is e.g. C.sub.2 -C.sub.12 alkylene; R.sub.3 is e.g. hydrogen or C.sub.1 -C.sub.8 alkyl; R.sub.5 is e.g. a group of the formula ##STR2## in which R.sub.9 is e.g. 2,2,6,6-tetramethyl-4-piperidyl; A' has one of the meanings of A; p is e.g. 1 and R.sub.10 is e.g. C.sub.2 -C.sub.18 alkylene; X.sub.1 has one of the meanings of R.sub.1 or is a group (R.sub.27).sub.3 SiO-- where R.sub.27 is C.sub.1 -C.sub.18 alkyl; X.sub.2 is hydrogen, Na, K, C.sub.1 -C.sub.8 alkyl or a group (R.sub.27).sub.3 Si-- with R.sub.27 as defined above and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.2 together can also represent a direct linkage; are useful as stabilizers for organic materials against degradation induced by light, heat or oxidation.

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Derw. Abst. 86-205177/32 of DD 234,683.
Chem. Abst. 106:19478R of DD 234,683.
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Chem. Abst. 106:5979T of DD. 234,682.
Derw. Abst. 90-284499/38 of EP 388-321.
Chem Abst.

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