Reversibly thermochromic compositions
    5.
    发明授权
    Reversibly thermochromic compositions 失效
    可逆热变色组合物

    公开(公告)号:US08277695B2

    公开(公告)日:2012-10-02

    申请号:US12308517

    申请日:2007-06-20

    CPC分类号: C09B1/06 C09B1/12

    摘要: A reversible thermochromic system comprising a) a compound of the formula (IA) or a tautomer thereof or a compound of the formula (IB) or a tautomer thereof (IA) (IB) wherein R1 is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; R2 is hydrogen or a group —SO2—R; R3 and R4 independently of one another are hydrogen, C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and R is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and b) a compound containing a group of the formula (III).

    摘要翻译: 一种可逆热变色系统,其包含a)式(IA)化合物或其互变异构体或式(IB)化合物或其互变异构体(IA)(IB)(其中R 1为C 1 -C 18烷基,C 2 -C 18烯基,C 3 -C 12环烷基,被1,2或3个C 1 -C 4烷基取代的C 3 -C 12环烷基; 苯基,被1,2或3个C 1 -C 4烷基取代的苯基; 或C7-C12苯基烷基; R2是氢或-SO2-R基团; R 3和R 4彼此独立地是氢,C 1 -C 18烷基,C 2 -C 18烯基,C 3 -C 12环烷基,被1,2或3个C 1 -C 4烷基取代的C 3 -C 12环烷基; 苯基,被1,2或3个C 1 -C 4烷基取代的苯基; 或C7-C12苯基烷基; 并且R是C 1 -C 18烷基,C 2 -C 18烯基,C 3 -C 12环烷基,被1,2或3个C 1 -C 4烷基取代的C 3 -C 12环烷基; 苯基,被1,2或3个C 1 -C 4烷基取代的苯基; 或C7-C12苯基烷基; 和b)含有式(III)的基团的化合物。