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    • 8. 发明公开
    • METAL-CHELATE AZO DYE AND OPTICAL RECORDING MEDIUM
    • 金属螯合偶氮染料和光学记录介质
    • EP2070989A1
    • 2009-06-17
    • EP07807790.6
    • 2007-09-21
    • Mitsubishi Kagaku Media Co., Ltd.
    • SHODA, HisashiUCHIDA, NaoyukiSATAKE, KenichiNODA, Yoshihiro
    • C09B45/00B41M5/26G11B7/244
    • C09B29/0821C09B29/0092C09B45/22G11B7/2463G11B7/2467G11B7/2472G11B7/2475G11B7/259
    • The invention provides an azo metal chelate dye suitable for use in a recording layer of an optical recording medium capable of high-speed recording or an optical recording medium having plural recording layers, and an optical recording medium. The azo metal chelate dye comprises an azo dye compound represented by the general formula (1) and Zn 2+ :

      (wherein R 1 represents a linear or branched alkyl group that may be substituted, or a cycloalkyl group that may be substituted; Y represents a linear or branched alkyl group substituted with at least two fluorine atoms; R 2 , R 3 , R 4 , R 5 and R 6 each independently represents a hydrogen atom or a linear or branched alkyl group that may be substituted, and R 3 and R 4 , R 4 and R 5 , or R 5 and R 6 may be bonded with each other to form a ring; and a proton is released from the compound of formula (1) to form the chelate dye together with Zn 2+ ).
    • 本发明提供一种适用于能够高速记录的光记录介质或具有多个记录层的光记录介质的记录层的偶氮金属螯合染料,以及光记录介质。 偶氮金属螯合染料包含由通式(1)表示的偶氮染料化合物和Zn 2+:(其中R 1表示可被取代的直链或支链烷基或可被取代的环烷基; Y表示直链或支链 被至少两个氟原子取代的支链烷基; R2,R3,R4,R5和R6各自独立地表示氢原子或可被取代的直链或支链烷基,R3和R4,R4和R5或R5和 R6可以彼此键合形成环;并且质子从式(1)的化合物释放以与Zn2 +一起形成螯合染料)。