| 发明名称 |
OLIGOMERIC DIAZAOXASPIRODECANES, PREPARATION THEREOF AND USE THEREOF AS LIGHT STABILIZERS FOR POLYMERS |
| 摘要 |
The present invention relates to oligomeric tetraalkylpiperidine light stabilizers for polymers, to the preparation thereof from known polyalkyldiazaspirodecanes and epoxides, and to the use thereof for stabilizing polymers against the damaging effect of light, heat and oxygen. |
| 申请公布号 |
CA1285949(C) |
申请公布日期 |
1991.07.09 |
| 申请号 |
CA19860523781 |
申请日期 |
1986.11.25 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
ERTL, JOSEF;KORBANKA, HELMUT |
| 分类号 |
C07D221/00;C07D263/00;C07D498/10;C08G59/14;C08G65/22;C08G65/26;C08K5/34;C08K5/3432;C08K5/35 |
主分类号 |
C07D221/00 |
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