2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers as stabil

Details 2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers as stabil 2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers as stabil

1981-05-26

1982-09-28

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524101, 524102, 524 84, 528 7, 528 30, 528 38, 528 40, 528 72, 528 73, 528168, 528183, 528184, 528188, 528287, 528289, 544223, 546 13, 546 14, 546 19, C07D49110, C07F 504, C07F 710, C07F 965, C08K 534, C08K 546, C08K 552, C08K 553, C08K 554, C08K 555, C08G 1832, C08G 1838, C08G 6368, C08G 6540

Patent

active

043519156

ABSTRACT:
2,2,6,6-Tetramethyl-4-piperidyl spiro aliphatic ethers which are useful as stabilizers for organic polymeric materials, and have the general formula are disclosed: ##STR1## wherein: Y.sub.1 is ##STR2## A.sub.1, A.sub.2, A.sub.3, A.sub.4, A.sub.5, and A.sub.6 are groups which are defined in the specification, at least one pair of A.sub.1 and A.sub.2 ; A.sub.3 and A.sub.4 ; and A.sub.5 and A.sub.6 being taken together to form the group ##STR3## the groups R.sub.1, R.sub.2, R.sub.3 and Z as well as X, p, and m being as defined in the specification.

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