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Asymmetrical bisbenzotriazoles substituted by a perfluoroalkyl moiety and compositions stabilized therewith

  • US 6,337,402 B2
  • Filed: 01/22/2001
  • Issued: 01/08/2002
  • Est. Priority Date: 05/03/1999
  • Status: Expired due to Term
First Claim
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1. A composition stabilized against thermal, oxidative or light-induced degradation which comprises,(a) an organic material subject to thermal, oxidative or light-induced degradation, and (b) an effective stabilizing amount of a compound of formula I embedded image

  • wherein G1 and G1

    are independently hydrogen or halogen;

    G2 is halogen, nitro, cyano, —

    COOG3, —

    P(O)(C6H5)2, —

    CO—

    G3, —

    CO—

    NH—

    G3, —

    CO—

    N(G3)2, —

    N(G3)—

    CO—

    G3, E3S—

    , E3SO—

    or E3SO2

    ;

    G2

    is perfluoroalkyl of 1 to 12 carbon atoms;

    G3 is hydrogen, straight or branched chain alkyl of 1 to 24 carbon atoms, straight or branched chain alkenyl of 2 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by 1 to 4 alkyl of 1 to 4 carbon atoms;

    E2 and E2

    are independently straight or branched alkyl chain of 1 to 24 carbon atoms, straight or branched chain alkenyl of 2 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by one to three alkyl of 1 to 4 carbon atoms;

    or E2 and E2

    are independently said alkyl of 1 to 24 carbon atoms or said alkenyl of 2 to 18 carbon atoms substituted by one or more —

    OH, —

    OCOE11, —

    OE4, —

    NCO, —

    NH2, —

    NHCOE11, —

    NHE4 or —

    N(E4)2, or mixtures thereof, where E4 is straight or branched chain alkyl of 1 to 24 carbon atoms;

    or said alkyl or said alkenyl interrupted by one or more —

    O—

    , —

    NH—

    or —

    NE4

    groups or mixtures thereof and which can be unsubstituted or substituted by one or more —

    OH, —

    OE4 or —

    NH2 groups or mixtures thereof;

    or E2 and E2

    are independently —

    (CH2)m

    CO-E5;

    or E2 and E2

    are independently a group of the formula

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