Title:
有機材料の安定剤としての1-ヒドロカルビルオキシ-2,2,6,6-テトラメチル-4-ピペリジル基を有するブロックオリゴマー
Document Type and Number:
Japanese Patent JP4441711
Kind Code:
B2
Abstract:
Compounds of formula (I), wherein n is a number from 2 to 14; R1 is for example C1-C18alkyl or C5-C12cycloalkyl; R2 is for example C2-C12alkylene; A is for example acetyl, (C1-C4alkoxy)carbonyl, (C1-C4alkyl)aminocarbonyl or C1-C4alkyl; B is -OR3, -N(R4(R5) or a group of formula (II); R3, R4 and R5, which are identical or different, are for example hydrogen or C1-C18alkyl, or -N(R4)(R5) is additionally a group of formula (III) with Y being -O-, -CH2-, -CH2CH2- or >N-CH3; X is -O- or >N-R6; R6 is for example hydrogen or C1-C18alkyl; and R is preferably a group of formula (IV); with the proviso that in the individual recurrent units of formula (I), each of the radicals B, R, R1 and R2 has the same or a different meaning. The indicated compounds are useful as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers.
Inventors:
Garbo, James Peter
Lazzari, Dario
Gizzardi, Fabricio
Lazzari, Dario
Gizzardi, Fabricio
Application Number:
JP50021299A
Publication Date:
March 31, 2010
Filing Date:
May 25, 1998
Export Citation:
Assignee:
Ciba Holding Inc.
International Classes:
C07D401/14; H04N19/146; C08G73/00; C08G73/06; C08K5/3492; C08L79/00; C08L79/04; C08L101/00; C09K15/20; C09K15/30; H03M7/40; H04N19/91
Domestic Patent References:
| JP2001527578A | ||||
| JP2002501519A |
Foreign References:
| EP0094048B1 |
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Tsutomu Kato
Kyoko Oyama
Miyazaki Yoshio
Tsutomu Kato
Kyoko Oyama