JP2935564B

Disclosed are poly-methine compounds having the formula: wherein R is an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfony...

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Hauptverfasser: HIRUBAATO SAMYUERU DEBITSUDO, KOOTESU KURARENSU ARUBIN JUNIA, PURUUETSUTO UEIN PEITON, UEEBAA MATSUKUSU AREN
Format: Patent
Sprache:eng
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Zusammenfassung:Disclosed are poly-methine compounds having the formula: wherein R is an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical, or an unsubstituted or substituted aryl radical; R is an unsubstituted or substituted alkyl, cycloalkyl or aryl radical; R is hydrogen, alkyl, -OR or halogen; and L is an organic linking group bonded by non-oxo carbon atoms to the oxygen atoms adjacent to L. Also disclosed are admixtures of 100 to 10,000 ppm of at least one of the poly-methine compounds and certain condensation polymers. The resulting polymer compositions are useful to protect substrates or materials susceptible to degradation by ultraviolet light.