Bicyclo 4-acyloxypiperidine light stabilizers

Details Bicyclo 4-acyloxypiperidine light stabilizers Bicyclo 4-acyloxypiperidine light stabilizers

1981-01-14

1982-08-17

Bond, Robert T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

546187, 546188, 546205, 546222, 524103, C08K 534, C07D40114, C07D40112

Patent

active

043448771

ABSTRACT:
A 4-acyloxypiperidine of the formula I ##STR1## in which R.sub.1 denotes C.sub.1 -C.sub.30 -alkyl, C.sub.3 -C.sub.20 -alkenyl, C.sub.3 -C.sub.20 -alkynyl, C.sub.2 -C.sub.30 -cyanoalkyl, C.sub.2 -C.sub.30 -alkoxyalkyl, C.sub.7 -C.sub.20 -aralkyl, 2,3-epoxypropyl, an aliphatic, alicyclic, aromatic, araliphatic or heterocyclic acyl group with 1-20 C atoms or one of the groups --CH.sub.2 COOR.sub.4, --CH.sub.2 -CH(R.sub.5)--OR.sub.6, --COOR.sub.7 or --CONHR.sub.7, in which R.sub.4 is C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, phenyl, C.sub.7 -C.sub.8 -aralkyl or cyclohexyl and R.sub.5 is hydrogen, methyl or phenyl and R.sub.6 denotes hydrogen or an aliphatic or aromatic, araliphatic or alicyclic acyl group with 1-18 C atoms, in which the aromatic part can optionally be substituted by chlorine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.8 -alkoxy and/or by hydroxyl, and R.sub.7 denotes C.sub.1 -C.sub.12 -alkyl, cyclohexyl, phenyl or benzyl, R.sub.2 is hydrogen or C.sub.1 -C.sub.8 -alkyl, R.sub.3 is C.sub.1 -C.sub.30 -alkyl, C.sub.1 -C.sub.30 -hydroxyalkyl, C.sub.2 -C.sub.30 -cyanoalkyl, C.sub.2 -C.sub.30 -alkoxyalkyl, C.sub.3 -C.sub.30 -alkoxycarbonylalkyl, C.sub.3 -C.sub.20 -alkenyl, C.sub.3 -C.sub.20 -alkynyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.6 -C.sub.15 -aryl or C.sub.7 -C.sub.20 -aralkyl, Z is a monovalent to tetravalent 6-membered cycloaliphatic radical with a C.sub.1 -C.sub.2 bridge member, e is 1-4, m is 0-3 and e+m is 1-4, as stabilizers for organic material.

REFERENCES:
patent: 4031095 (1977-06-01), Ramey et al.
patent: 4056507 (1977-11-01), Ramey et al.
patent: 4089842 (1978-05-01), Ramey et al.
patent: 4096199 (1978-01-01), Ramey et al.
patent: 4101508 (1978-07-01), Minagawa et al.
patent: 4101509 (1978-07-01), Ramey et al.
patent: 4191682 (1980-03-01), Ramey et al.

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