Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphos

Details Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphos Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphos

1985-02-19

1987-04-28

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

524 99, 524103, 524106, 524107, C07F 965, C08K 551

Patent

active

046615946

ABSTRACT:
Compounds of the formula I or II, ##STR1## wherein m is 1 or 2, A is branched or unbranched 1,2- or 1,3-alkylene, or o-phenylene, E is a group III or IIIa, R is hydrogen or methyl, R.sup.1 and R.sup.3 are hydrogen, alkyl, alkenyl, aralkyl, alkanoyl, alkenoyl, benzoyl or cyanomethyl, R.sup.2 is a radical of valency m and R.sup.4 is a monovalent radical, are effective processing stabilizers for polymers, in particular for polyolefins, and additionally have a stabilizing action against damage by light.

REFERENCES:
patent: 3684765 (1972-08-01), Matsui et al.
patent: 4191683 (1980-04-01), Brunetti et al.
H. J. Lucas et al., J. Am. Chem. Soc. 72, 5491 (1950).

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