TRIAZINE, PIPERIDINE AND PYRROLIDINE BASED HINDERED AMINE LIGHT STABILIZERS

TRIAZINE, PIPERIDINE AND PYRROLIDINE BASED HINDERED AMINE LIGHT STABILIZERS

A compound of the formula (I) wherein R1 and R2 independently of one another are hydrogen, C1-C22alkyl, -0?, -OH, -CH2CN, C1-C18alkoxy, C2-C18alkoxy substituted by -OH; C5-C 12cycloalkoxy, C3-C6alkenyl, C3-Csalkenyloxy, C7- C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4a...

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Bibliographische Detailangaben
Hauptverfasser: ROTZINGER, BRUNO, SCHULS, LIANE, SCHLETH, CORNELIA, VITALI, MANUELE, LUDOLPH, BJORN
Format: Patent
Sprache:eng
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Zusammenfassung:A compound of the formula (I) wherein R1 and R2 independently of one another are hydrogen, C1-C22alkyl, -0?, -OH, -CH2CN, C1-C18alkoxy, C2-C18alkoxy substituted by -OH; C5-C 12cycloalkoxy, C3-C6alkenyl, C3-Csalkenyloxy, C7- C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4alkyl; or C1-Caacyl; and R3 and R4 independently of one another are C1-C22alkyl or a group of the formula (Ia) wherein Ro has one of the meanings of R1 and R2.