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    • 7. 发明申请
    • AZO METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM
    • AZO METAL CHELATE DYE和OPTICAL RECORDING MEDIUM
    • US20100015382A1
    • 2010-01-21
    • US12443549
    • 2007-09-27
    • Hisashi ShodaNaoyuki UchidaKenichi SatakeYoshihiro Noda
    • Hisashi ShodaNaoyuki UchidaKenichi SatakeYoshihiro Noda
    • B32B3/02C09B29/52
    • C09B29/0821C09B29/0051C09B29/3643G11B7/2463G11B7/2467G11B7/2492
    • 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 general formula (1) and a metal: (wherein R1 represents a linear or branched alkyl group that may be substituted or a cycloalkyl group that may be substituted; R2 and R3 each independently represents a hydrogen atom, a linear or branched alkyl group that may be substituted, an aryl group that may be substituted, or a heterocyclic group that may be substituted; R4, R5, R6, R7, and R8 each independently represents a hydrogen atom or a linear or branched alkyl group that may be substituted, and R4 and R5, R4 and R6, or R5 and R7 may be bonded to each other to form a ring; Y represents a linear or branched alkyl group substituted with at least two fluorine atoms; and the chelate dye is constituted of the compound represented by general formula (1) from which a proton is released, and the metal).
    • 本发明提供适用于能够高速记录的光记录介质的记录层的偶氮金属螯合染料或具有多个记录层的光记录介质和光记录介质。 偶氮金属螯合染料包括由通式(1)表示的偶氮染料化合物和金属(其中R1表示可被取代的直链或支链烷基或可被取代的环烷基); R2和R3各自独立地表示 氢原子,可被取代的直链或支链烷基,可被取代的芳基或可被取代的杂环基; R4,R5,R6,R7和R8各自独立地表示氢原子或 可以被取代的直链或支链烷基,并且R 4和R 5,R 4和R 6或R 5和R 7可以彼此键合形成环; Y表示被至少两个氟原子取代的直链或支链烷基; 并且螯合染料由通式(1)表示的化合物(质子被释放出来)和金属构成。
    • 10. 发明授权
    • Azo-metal chelate dye and optical recording medium
    • 偶氮 - 金属螯合染料和光记录介质
    • US07989139B2
    • 2011-08-02
    • US12481603
    • 2009-06-10
    • Kenichi SatakeYuko NaitouHisashi ShodaYuki Suzuki
    • Kenichi SatakeYuko NaitouHisashi ShodaYuki Suzuki
    • G11B7/24C09B45/14
    • C09B29/0092C07D417/12C09B29/3643C09B45/00G11B7/244G11B7/246G11B7/249Y10S430/146
    • The azo-metal chelate dye to which the present invention is applied is a compound formed as follows: for example, 1,3,4-thiadiazole ring is selected as the diazo component; the diazo component is combined with a coupler component having condensed rings including a fluorine-substituted alkylsulfonylamino group and an amino group, to form an azo dye compound; and the azo dye compound forms chelate bonds with at least one metal selected from the group consisting of Co, Ni, Cu and Pd. Here, two absorption bands (OD1 and OD2) are seen in the absorption spectrum, which is measured in a range of 400 to 800 nm wavelengths. The azo-metal chelate dye is characterized in that the optical density ratio (OD2/OD1) of the two absorption bands is greater than 1.25. By using this azo-metal chelate dye, an optical recording medium capable of high-speed recording is provided.
    • 应用本发明的偶氮 - 金属螯合染料是如下形成的化合物:例如,选择1,3,4-噻二唑环作为重氮组分; 重氮组分与具有包含氟取代的烷基磺酰基氨基和氨基的稠环的偶合剂组分组合以形成偶氮染料化合物; 并且偶氮染料化合物与选自由Co,Ni,Cu和Pd组成的组中的至少一种金属形成螯合键。 在这里,在吸收光谱中看到两个吸收带(OD1和OD2),其在400至800nm波长的范围内测量。 偶氮 - 金属螯合染料的特征在于两个吸收带的光密度比(OD2 / OD1)大于1.25。 通过使用该偶氮 - 金属螯合染料,提供了能够进行高速记录的光记录介质。