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    • 38. 发明授权
    • Image-forming material
    • 成像材料
    • US5389489A
    • 1995-02-14
    • US63467
    • 1993-05-19
    • Naoto YanagiharaTosiaki EndoNaotaka Wachi
    • Naoto YanagiharaTosiaki EndoNaotaka Wachi
    • G03C1/675C09B11/28G03C1/73G03F3/10G03F7/00G03F7/004
    • G03C1/732C09B11/28G03F3/10G03F7/002
    • An image-forming material which includes on a support a coating layer containing at least (A) a microcapsule, which encapsulates (1) a leuco dye that forms color upon oxidative development and (2) a photooxidizing agent and (B) a reducing agent, wherein the leuco dye is a xanthene derivative represented by the following formula (1): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each designates a hydrogen atom, an alkyl group, an aralkyl group, or an aryl group; R.sup.3 designates a hydrogen atom, an alkyl group, an aralkyl group, an aryl group, a halogen atom, an alkoxy group, an aryloxy group, an alkylthio group, or an arylthio group; R.sup.4 and R.sup.5 which may be the same or different, each designates a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a trifluoromethyl group, a substituted carbonyl group, or a substituted sulfonyl group; and R.sup.6 designates a hydrogen atom, an alkyl group, or a substituted carbonyl group; andwherein R.sup.1 and R.sup.2, and/or R.sup.4 and R.sup.5 may be bonded to each other to form a ring which may include an unsaturated bond or a hetero ring.
    • 一种成像材料,其在载体上包含至少含有(A)微胶囊的涂层,其包封(1)在氧化显影时形成颜色的无色染料和(2)光氧化剂和(B)还原剂 ,其中无色染料是下式(1)表示的呫吨衍生物:其中R 1和R 2可以相同或不同,各自表示氢原子,烷基,芳烷基 ,或芳基; R3表示氢原子,烷基,芳烷基,芳基,卤素原子,烷氧基,芳氧基,烷硫基或芳硫基; R4和R5可以相同或不同,分别表示氢原子,烷基,烷氧基,卤素原子,三氟甲基,取代的羰基或取代的磺酰基; R6表示氢原子,烷基或取代的羰基; 并且其中R 1和R 2,和/或R 4和R 5可以彼此键合以形成可以包含不饱和键或杂环的环。
    • 40. 发明授权
    • Recording material
    • 录音材料
    • US4981835A
    • 1991-01-01
    • US385508
    • 1989-07-27
    • Ken IwakuraNaoto YanagiharaTakayuki Hayashi
    • Ken IwakuraNaoto YanagiharaTakayuki Hayashi
    • B41M5/337
    • B41M5/3375
    • A recording material comprising an electron donating colorless dye and an electron accepting compound is disclosed, the recording material further comprising, as a heat-fusible substance, a benzyl ether derivative represented by formula (I): ##STR1## wherein R represents a halogen atom or a substituted or unsubstituted alkoxy group; and when R is a substituted or unsubstituted alkoxy group, X, Y and Z, which may be same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group or a halogen atom; and when R is a halogen atom, X represents a substituted or unsubstituted alkoxy group, and Y and Z each represents a hydrogen atom.The recording material exhibits improved color developability and color forming sensitivity.
    • 公开了一种包含给电子性无色染料和电子接受性化合物的记录材料,该记录材料还包含作为热熔性物质的式(I)表示的苄基醚衍生物:其中R表示 卤素原子或取代或未取代的烷氧基; 当R为取代或未取代的烷氧基时,可以相同或不同的X,Y和Z各自表示氢原子,取代或未取代的烷基,取代或未取代的烷氧基或卤素原子; 当R为卤素原子时,X表示取代或未取代的烷氧基,Y和Z各自表示氢原子。 记录材料表现出改进的显色性和成色灵敏度。