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    • 4. 发明授权
    • Thermo-developable type diazo copying material
    • 热可显影型重氮复制材料
    • US4400456A
    • 1983-08-23
    • US295036
    • 1981-08-21
    • Tsutomu MatsudaShigeru Kusakata
    • Tsutomu MatsudaShigeru Kusakata
    • G03C1/52G03C1/61G03C1/60G03C1/58
    • G03C1/61
    • A thermo-developable type diazo copying material is disclosed comprising a substrate and a photosensitive layer, formed thereon, consisting essentially of a diazo compound, a coupler and a color assistant, wherein said color assistant is at least a member selected from the group consisting of fatty acid amides having the general formula I:R.sup.1 CONH.sub.2(wherein, R.sup.1 is a saturated or unsaturated aliphatic hydrocarbon group having 5 to 24 carbon atoms), N-substituted fatty acid amides having the general formula II:R.sup.1 CONHR.sup.2(wherein, R.sup.1 is the same as defined above and R.sup.2 is an alkyl group having 1 to 5 carbon atoms, substituted or non-substituted phenyl group or substituted or non-substituted cyclohexyl group) and N-substituted fatty acid amides having the general formula III:R.sup.1 NHCOR.sup.2(wherein, R.sup.1 and R.sup.2 are the same as defined above respectively), and said coupler is encapsulated with a member selected from the group consisting of non-polar wax-like substances having a melting point of 50.degree. to 150.degree. C. and hydrophobic vinyl resins having a softening point of 50.degree. to 150.degree. C.
    • 公开了一种热可显影型重氮复印材料,其包括基底和形成在其上的感光层,其基本上由重氮化合物,成色剂和颜色助剂组成,其中所述颜色助剂至少是选自以下的成员: 具有通式I的脂肪酸酰胺:R1CONH2(其中,R1是具有5至24个碳原子的饱和或不饱和脂族烃基),具有通式II的N-取代脂肪酸酰胺:R1CONHR2(其中R1相同 如上所定义,R 2为具有1至5个碳原子的烷基,取代或未取代的苯基或取代或未取代的环己基)和具有通式III的N-取代的脂肪酸酰胺:R1NHCOR2(其中,R1 和R2分别与上述定义相同),并且所述成色剂用选自熔点为50℃的非极性蜡状物质的成员包封 ℃至150℃,软化点为50-150℃的疏水乙烯基树脂。
    • 5. 发明授权
    • Leuco dyes and recording material employing the same
    • 白癜风和记录材料使用
    • US5084593A
    • 1992-01-28
    • US627583
    • 1990-12-14
    • Hiroshi GotohShigeru KusakataIsao Shiojima
    • Hiroshi GotohShigeru KusakataIsao Shiojima
    • B41M5/136B41M5/155B41M5/323B41M5/333
    • B41M5/323B41M5/136B41M5/155B41M5/3335
    • Leuco dyes of the formula (I) are disclosed, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an alkyl group having 1 to 10 carbon atoms; X represents hydrogen, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms or a halogen; and Y represents R.sub.5 --Z--SO.sub.2 NH--, R.sub.6 --Z--CONH--, or ##STR2## in which Z represents ##STR3## R.sub.5 and R.sub.6 each represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or a halogen; and R.sub.7 and R.sub.8 each represent hydrogen, a cyano group, or --COR.sub.9, in which R.sub.9 represents a lower alkyl group, a lower alkoxyl group, a phenyl group which may be substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, or a halogen; a naphthyl group which may be substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms or a halogen with the proviso that R.sub.7 and R.sub.8 are not both hydrogen. Further a recording material comprising any of the above-mentioned leuco dyes and a particular phenolic compound as a color developer capable of inducing color formation in the leuco dye is disclosed.
    • 公开了式(I)的无色染料,其中R 1,R 2,R 3和R 4各自表示具有1至10个碳原子的烷基; X表示氢,碳原子数1〜10的烷基,碳原子数1〜10的烷氧基或卤素; 并且Y表示R5-Z-SO2NH-,R6-Z-CONH-或其中Z表示R5和R6各自表示氢,具有1-10个碳原子的烷基或卤素的 并且R 7和R 8各自表示氢,氰基或-COR 9,其中R 9表示低级烷基,低级烷氧基,可被碳原子数1〜4的烷基取代的苯基,烷氧基 具有1至4个碳原子的基团,或卤素; 可以被碳原子数1〜4的烷基取代的萘基,碳原子数1〜4的烷氧基或卤素,条件是R 7和R 8不都是氢。 还公开了一种记录材料,其包含任何上述无色染料和特定的酚类化合物作为能够诱导无色染料形成颜色的彩色显影剂。
    • 6. 发明授权
    • Leuco dyes and recording material employing the same
    • 无色染料和采用其的记录材料
    • US4939117A
    • 1990-07-03
    • US291675
    • 1988-12-29
    • Shigeru KusakataHiroshi GotohIsao Shiojima
    • Shigeru KusakataHiroshi GotohIsao Shiojima
    • B41M5/323
    • B41M5/323
    • A leuco dye of the formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 each represent a lower alkyl group; A represents ##STR2## in which R.sup.9 and R.sup.10 each represent hydrogen, provided that both R.sup.9 and R.sup.10 may not be hydrogen, --CN or --COR.sup.14 in which R.sup.14 represents a phenyl group which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, or a halogen, a naphthyl group which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms or a halogen, or a lower alkoxyl group, ##STR3## in which ##STR4## represents a phenyl group or a naphthyl group, R.sup.11 represents hydrogen, a lower alkyl group, a halogen, an amino group, which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, or a nitro group, or ##STR5## in which R.sup.12 represents a lower alkyl group, or ##STR6## in which R.sup.13 represents hydrogen, a lower alkyl group, a halogen, a hydroxyl group, a trifluoromethyl group, a nitro group, an amino group which is unsubstituted or is substituted by an alkyl group having 1 to 4 carbon atoms, or amide group. These dyes absorb in the near-infrared region and yields colored images with a color developer therefor with excellent preservability.
    • 式(I)的无色染料:其中R 1,R 2,R 3,R 4,R 5,R 6,R 7和R 8各自表示低级烷基; A表示,其中R 9和R 10各自表示氢,条件是R 9和R 10可以不是氢,-CN或-COR 14,其中R 14表示未被取代或被具有1至 4个碳原子,具有1至4个碳原子的烷氧基或卤素,未被取代或被具有1至4个碳原子的烷基取代的萘基,具有1至4个碳原子的烷氧基或卤素 ,或低级烷氧基,其中表示苯基或萘基,R11表示氢,低级烷基,卤素,氨基,未取代或被烷基取代的低级烷氧基 具有1至4个碳原子的硝基或硝基,或其中R 12表示低级烷基的“IMAGE”,或其中R 13表示氢,低级烷基,卤素,羟基,三氟甲基 硝基,未取代或被取代的氨基 具有1〜4个碳原子的烷基或酰胺基。 这些染料在近红外区域吸收并产生具有显色剂的彩色图像,具有优异的保存性。