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    • 9. 发明授权
    • Optical recording medium
    • 光记录介质
    • US5569504A
    • 1996-10-29
    • US413879
    • 1995-03-30
    • Sumiko KitagawaMasahiro ShinkaiKenryo Namba
    • Sumiko KitagawaMasahiro ShinkaiKenryo Namba
    • C09B47/067G11B7/248B32B3/00
    • G11B7/248C09B47/0675Y10S428/913Y10S430/146Y10T428/21
    • A phthalocyanine dye of specific structure represented by the following general formula (1) or (2): ##STR1## where Y is O or S attached to the phthalocyanine ring, Z is the group of atoms recurred to complete a carbon or heterocyclic ring together with C, A.sub.1 is a monovalent substituent bulkier than a hydrogen atom, and each of X.sub.1 and X.sub.2 is H or a monovalent substituent or, in the alternative, X.sub.1 and X.sub.2, taken together, form a single bond, ##STR2## where Y and Z.sub.1 have the same meanings as defined for Y and Z in formula (1), All is a monovalent substituent having a branched alkyl group, which is attached to the ring completed by Z.sub.1, and s1 is the number of A.sub.11, is used for the recording layer of an optical recording layer. This phthalocyanine dye is unlikely to attack a substrate material such as PC, can be handled with ease, and has a high solubility in a coating solvent advantageous for film formation, for instance, an alcoholic solvent, e.g., ethyl cellosolve or an aliphatic hydrocarbon solvent.
    • 由以下通式(1)或(2)表示的具有特定结构的酞菁染料:alocyanine环,Z是与C一起复原以完成碳或杂环的原子团,A1是氢的一价取代基 原子,X1和X2各自为H或一价取代基,或者作为替代,X1和X2一起形成单键,其中Y和Z 1与Y和Z中定义的含义相同 式(1)中,全部是具有支链烷基的一价取代基,其被连接到由Z1完成的环上,s1是A11的数,用于光学记录层的记录层。 这种酞菁染料不太可能侵蚀诸如PC的基材,可以容易地处理,并且在有利于成膜的涂布溶剂中具有高溶解度,例如醇溶剂,例如乙基溶纤剂或脂族烃溶剂 。