发明授权
US4798822A Selected
3,9-di(2,2,6,6-tetramethyl-4-piperidyl)-2,4,8,10-tetraoxa-3,9-diphosphas
piro [5,5]undecanes
失效
选择的3,9-二（2,2,6,6-四甲基-4-哌啶基）-2,4,8,10-四氧杂-3,9-二磷杂螺[5,5]十一烷
- 专利标题： Selected 3,9-di(2,2,6,6-tetramethyl-4-piperidyl)-2,4,8,10-tetraoxa-3,9-diphosphas piro [5,5]undecanes
- 专利标题（中）： 选择的3,9-二（2,2,6,6-四甲基-4-哌啶基）-2,4,8,10-四氧杂-3,9-二磷杂螺[5,5]十一烷
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申请号： US8433申请日： 1987-01-29
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公开(公告)号： US4798822A公开(公告)日： 1989-01-17
- 发明人: Michael Rasberger , Peter Hofmann , Hans R. Meier , Paul Dubs
- 申请人： Michael Rasberger , Peter Hofmann , Hans R. Meier , Paul Dubs
- 申请人地址： NY Ardsley
- 专利权人： Ciba-Geigy Corporation
- 当前专利权人： Ciba-Geigy Corporation
- 当前专利权人地址： NY Ardsley
- 优先权： CHX964/84 19840229
- 主分类号： C08K5/00
- IPC分类号： C08K5/00 ; C07F9/24 ; C07F9/6571 ; C07F9/6574 ; C08K5/17 ; C08K5/34 ; C08K5/3412 ; C08K5/3442 ; C08K5/41 ; C08K5/49 ; C08K5/51 ; C08K5/5399 ; C08L23/00 ; C08L25/00 ; C08L27/06 ; C08L101/00 ; C07F9/65
摘要：
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.
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