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    • 8. 发明授权
    • Metallized azo dianion with two cationic dye counter ions for optical
information recording medium
    • 金属化偶氮二阴离子与两种阳离子染料反离子用于光学信息记录介质
    • US5426015A
    • 1995-06-20
    • US137331
    • 1993-10-18
    • Derek D. ChapmanMichael P. CunninghamCsaba A. Kovacs
    • Derek D. ChapmanMichael P. CunninghamCsaba A. Kovacs
    • G03C1/73B41M5/26G11B7/244G11B7/246G03C1/72G11B7/24
    • G11B7/2495G11B7/246G11B7/2472G11B7/2467G11B7/2534G11B7/2595Y10S430/146
    • There is disclosed a recordable optical element that includes a recording layer. The element has a transparent substrate and on the surface of the substrate, a) a recording layer containing a light absorbing material and b) a light reflecting layer, the improvement wherein said light absorbing material has the structure: ##STR1## wherein; R is hydrogen, alkyl having from 1 to about 20 carbons, substituted or substituted aryl from about 6 to 10 carbon atoms;R.sub.1 represents hydrogen or an alkyl group of from 1 to about 6 carbon atoms;R.sub.2 represents a hydrogen, an alkyl group of from 1 to about 5 carbon atoms; SO.sub.2 R"' or SO.sub.2 NHR"' where R"' is an alkyl group from 1 to about 10 carbon atoms; an aryl group of from about 6 to 10 carbon atoms or a hetaryl group of from about 5 to about 10 carbon atoms or a halogen atom;R.sub.3 represents hydrogen, an alkyl group of from 1 to about 4 carbon atoms or a halogen atom;R.sub.4 represents alkyl group 1 to 10 carbon atoms; SO.sub.2 R"', SO.sub.2 NHR"' where R"' is an alkyl group from 1 to about 10 carbon atoms; an aryl group of from about 6 to 10 carbon atoms or a hetaryl group of from about 5 to about 10 carbon atoms or a halogen atom;R.sub.5 represents an electron withdrawing group such as NO.sub.2, CN, SO.sub.2 R"", SO.sub.2 NR.sup.V R.sup.VI where R"", R.sup.V or R.sup.VI each independently can represent a hydrogen, an alkyl group of from 1 to about 5 carbon atoms; an aryl group of from about 6 to about 10 carbon atoms; a hetaryl group of from about 5 to about 10 carbon atoms; or a cycloalkyl group of from about 5 to about 7 carbon atoms;R.sub.6 represents hydrogen; an alkyl group of from 1 to about 5 carbon atoms; or a halogen atom;X represents oxygen, sulfur or carboxyl or sulfo groups; andDye.sup.+ can be any dye that has one or more positive charges.
    • 公开了一种包括记录层的可记录光学元件。 该元件具有透明基板,并且在基板的表面上,a)包含光吸收材料的记录层和b)光反射层,其改进在于所述光吸收材料具有以下结构:其中: R为氢,具有1至约20个碳的烷基,取代或取代的碳原子数为6至10个的芳基; R1表示氢或1至约6个碳原子的烷基; R 2表示氢,1至约5个碳原子的烷基; SO 2 R“'或SO 2 NHR”',其中R“是1至约10个碳原子的烷基; 约6至10个碳原子的芳基或约5至约10个碳原子的杂芳基或卤素原子; R3表示氢,1〜约4个碳原子的烷基或卤素原子; R 4表示1〜10个碳原子的烷基; SO 2 R“',SO 2 NHR”',其中R“是1至约10个碳原子的烷基; 约6至10个碳原子的芳基或约5至约10个碳原子的杂芳基或卤素原子; R5表示吸电子基团,例如NO2,CN,SO2R“”,SO2NRVRVI,其中R“',RV或RVI各自独立地表示氢,1至约5个碳原子的烷基; 约6至约10个碳原子的芳基; 约5至约10个碳原子的杂芳基; 或约5至约7个碳原子的环烷基; R6代表氢; 1至约5个碳原子的烷基; 或卤素原子; X表示氧,硫或羧基或磺基; 染料+可以是任何具有一个或多个正电荷的染料。