2,2,6,6-tetraalkyl-piperidine compounds useful as light stabiliz

Details 2,2,6,6-tetraalkyl-piperidine compounds useful as light stabiliz 2,2,6,6-tetraalkyl-piperidine compounds useful as light stabiliz

1986-09-12

1988-03-08

Bond, Robert T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524102, 546 16, 546190, 546245, 546247, C07D40112, C08K 534

Patent

active

047300175

ABSTRACT:
A compound useful as a light-stabilizer for polymeric material of formula I ##STR1## in which R is hydrogen, oxygen, C.sub.1-8 alkyl or --CO--R.sub.5, where R.sub.5 is --C(R.sub.10).dbd.CH.sub.2, C.sub.1-6 alkyl, phenyl, --CO--O--C.sub.1-4 alkyl or --NR.sub.7 R.sub.8 and where R.sub.7 is hydrogen, C.sub.1-12 alkyl, C.sub.5-6 -cycloalkyl, phenyl, phenylC.sub.1-4 alkyl or C.sub.1-12 alkylphenyl and R.sub.8 is C.sub.1-12 alkyl or hydrogen;

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