OLIGOMERIC DIAZAOXASPIRODECANES, PREPARATION THEREOF AND USE THEREOF AS LIGHT STABILIZERS FOR POLYMERS
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.
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | 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. |
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