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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Bibliographische Detailangaben
Hauptverfasser: JOSEF ERTL, HELMUT KORBANKA
Format: Patent
Sprache:eng
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Beschreibung
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.