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    • 1. 发明授权
    • Thermosensitive recording medium
    • 热敏记录介质
    • US08492308B2
    • 2013-07-23
    • US12674296
    • 2008-08-21
    • Tatsuyuki KuriharaTatsuo NagaiYoshimi MidorikawaAkihito OginoMamoru SugaYoshimune Aosaki
    • Tatsuyuki KuriharaTatsuo NagaiYoshimi MidorikawaAkihito OginoMamoru SugaYoshimune Aosaki
    • B41M5/333
    • B41M5/3336B41M5/3335B41M5/426B41M5/44B41M2205/04B41M2205/38B41M2205/40
    • The present invention provides a thermosensitive recording medium with excellent color developing sensitivity, moist heat resistance and plasticizer resistance, as well as excellent heat resistance, background coloring, light resistance and the like in the printed image.A diphenyl sulfone derivative containing a hydroxyl group on one end and an alkoxy group on the other end has a higher melting point than the one containing hydroxyl groups on both ends. As a result, the thermosensitive recording medium obtained using the diphenyl sulfone derivative as the color developing agent in the thermosensitive color developing layer has excellent heat resistance. However the color developing sensitivity of the thermosensitive recording medium generally declines simultaneously, when a color developing agent with a high melting point is ordinarily used. The thermosensitive recording medium of the present invention that uses a combination of the diphenyl sulfone derivative and a specific phenol derivative in the thermosensitive color developing layer has a good color developing sensitivity and an improved balance among the properties such as moist heat resistance, plasticizer resistance and the like.
    • 本发明提供了在印刷图像中具有优异的显色灵敏度,耐湿热性和耐增塑剂性以及优异的耐热性,背景着色,耐光性等的热敏记录介质。 一端含有羟基,另一端含有烷氧基的二苯砜衍生物的熔点比两末端羟基的熔点高。 结果,在热敏显色层中使用二苯砜衍生物作为彩色显影剂获得的热敏记录介质具有优异的耐热性。 然而,当通常使用具有高熔点的彩色显影剂时,热敏记录介质的显色灵敏度通常会同时下降。 在热敏显色层中使用二苯砜衍生物和特定苯酚衍生物的组合的本发明的热敏记录介质具有良好的显色灵敏度,并且在诸如耐湿热性,耐增塑剂性和 类似。
    • 2. 发明申请
    • THERMOSENSITIVE RECORDING MEDIUM
    • 耐热记录介质
    • US20110130281A1
    • 2011-06-02
    • US12674296
    • 2008-08-21
    • Tatsuyuki KuriharaTatsuo NagaiYoshimi MidorikawaAkihito OginoMamoru SugaYoshimune Aosaki
    • Tatsuyuki KuriharaTatsuo NagaiYoshimi MidorikawaAkihito OginoMamoru SugaYoshimune Aosaki
    • B41M5/333B41M5/323B41M5/337
    • B41M5/3336B41M5/3335B41M5/426B41M5/44B41M2205/04B41M2205/38B41M2205/40
    • The present invention provides a thermosensitive recording medium with excellent color developing sensitivity, moist heat resistance and plasticizer resistance, as well as excellent heat resistance, background coloring, light resistance and the like in the printed image.A diphenyl sulfone derivative containing a hydroxyl group on one end and an alkoxy group on the other end has a higher melting point than the one containing hydroxyl groups on both ends. As a result, the thermosensitive recording medium obtained using the diphenyl sulfone derivative as the color developing agent in the thermosensitive color developing layer has excellent heat resistance. However the color developing sensitivity of the thermosensitive recording medium generally declines simultaneously, when a color developing agent with a high melting point is ordinarily used. The thermosensitive recording medium of the present invention that uses a combination of the diphenyl sulfone derivative and a specific phenol derivative in the thermosensitive color developing layer has a good color developing sensitivity and an improved balance among the properties such as moist heat resistance, plasticizer resistance and the like.
    • 本发明提供了在印刷图像中具有优异的显色灵敏度,耐湿热性和耐增塑剂性以及优异的耐热性,背景着色,耐光性等的热敏记录介质。 一端含有羟基,另一端含有烷氧基的二苯砜衍生物的熔点比两末端羟基的熔点高。 结果,在热敏显色层中使用二苯砜衍生物作为彩色显影剂获得的热敏记录介质具有优异的耐热性。 然而,当通常使用具有高熔点的彩色显影剂时,热敏记录介质的显色灵敏度通常会同时下降。 在热敏显色层中使用二苯砜衍生物和特定苯酚衍生物的组合的本发明的热敏记录介质具有良好的显色灵敏度,并且在诸如耐湿热性,耐增塑剂性和 类似。
    • 6. 发明申请
    • Thermal recording material
    • 热敏记录材料
    • US20090280980A1
    • 2009-11-12
    • US12311320
    • 2007-09-26
    • Junpei NatsuiHiroshi KohamaMamoru SugaYoshimune Aosaki
    • Junpei NatsuiHiroshi KohamaMamoru SugaYoshimune Aosaki
    • B41M5/333B41M5/323
    • B41M5/3335
    • Provided is a thermal recording material superior in color development sensitivity, and having good preservation properties such as in heat resistance, moisture resistance, water resistance and the like.A thermal recording material comprising a support and a thermal recording layer comprising a colorless or pale basic leucodye and a developer to develop color of the basic leucodye, wherein the aforementioned developer comprises a first developer which is a condensate or condensed composition represented by the following formula (I) and a second developer other than the first developer, and the proportion of the first developer to the total amount of the developers is not less than 2 wt % and less than 50 wt %: wherein R is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group, an alkoxyl group, a cyano group, a nitro group, an aryl group or an aralkyl group, R in the number of m may be the same or different, m is an integer of 0 to 3, n is an integer of 0 to 3, and X and Y are each a hydrogen atom, an alkyl group or an aryl group.
    • 提供了显色性良好且耐热性,耐湿性,耐水性等保存性优良的热敏记录材料。 一种热敏记录材料,其包含支撑体和包含无色或浅色碱性亮氨酸的显影剂和显色剂,以显色出碱性白变色剂,其中上述显色剂包括第一显影剂,其为由下式表示的缩合物或缩合组合物 (I)和第一显色剂之外的第二显影剂,第一显影剂与显影剂总量的比例不小于2重量%且小于50重量%:其中R是氢原子,卤素 原子,羟基,低级烷基,烷氧基,氰基,硝基,芳基或芳烷基,m数可以相同或不同,m为整数0 至3,n为0〜3的整数,X和Y各自为氢原子,烷基或芳基。
    • 7. 发明授权
    • Thermal recording material
    • 热敏记录材料
    • US08202821B2
    • 2012-06-19
    • US12311320
    • 2007-09-26
    • Junpei NatsuiHiroshi KohamaMamoru SugaYoshimune Aosaki
    • Junpei NatsuiHiroshi KohamaMamoru SugaYoshimune Aosaki
    • B41M5/333
    • B41M5/3335
    • Provided is a thermal recording material superior in color development sensitivity, and having good preservation properties such as in heat resistance, moisture resistance, water resistance and the like.A thermal recording material comprising a support and a thermal recording layer comprising a colorless or pale basic leucodye and a developer to develop color of the basic leucodye, wherein the aforementioned developer comprises a first developer which is a condensate or condensed composition represented by the following formula (I) and a second developer other than the first developer, and the proportion of the first developer to the total amount of the developers is not less than 2 wt % and less than 50 wt %: wherein R is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group, an alkoxyl group, a cyano group, a nitro group, an aryl group or an aralkyl group, R in the number of m may be the same or different, m is an integer of 0 to 3, n is an integer of 0 to 3, and X and Y are each a hydrogen atom, an alkyl group or an aryl group.
    • 提供了显色性良好且耐热性,耐湿性,耐水性等保存性优良的热敏记录材料。 一种热敏记录材料,其包含支撑体和包含无色或浅色碱性亮氨酸的显影剂和显色剂,以显色所述碱性白变体的颜色,其中所述显影剂包含第一显影剂,所述第一显影剂是由下式表示的缩合物或缩合组合物 (I)和第一显色剂之外的第二显影剂,第一显影剂与显影剂总量的比例不小于2重量%且小于50重量%:其中R是氢原子,卤素 原子,羟基,低级烷基,烷氧基,氰基,硝基,芳基或芳烷基,m数可以相同或不同,m为整数0 至3,n为0〜3的整数,X和Y各自为氢原子,烷基或芳基。
    • 8. 发明授权
    • Coating solution for heat-sensitive color-developing layer, and heat-sensitive recording material
    • 用于热敏彩色显影层的涂布溶液和热敏记录材料
    • US08470735B2
    • 2013-06-25
    • US13262701
    • 2010-04-02
    • Yoshimune AosakiMai KanekoKatsuto OhseYukiko Sato
    • Yoshimune AosakiMai KanekoKatsuto OhseYukiko Sato
    • B41M5/333B41M5/337C09D11/00
    • B41M5/3336B41M5/323B41M5/3335B41M5/42B41M5/44B41M2205/04B41M2205/40
    • Provided are a coating solution for a thermosensitive color developing layer of excellent storability wherein color development during its storage or during producing a thermal recording material is suppressed, and a thermal recording material with excellent print portion (image portion) storability and suppressed staining in the background color (white background).A coating solution for a thermosensitive color developing layer, which comprises a colorless or pale-colored electron-donating leuco dye, a hindered phenol compound and, as an electron-accepting developer, a diphenylsulfone derivative represented by the following formula (1): wherein the aforementioned hindered phenol compound has an average particle size (D50) of not more than 0.5 μm, and the coating solution has a color tone a* of not less than −4.0 as measured according to JIS Z 8729 and a whiteness W of not less than 62 as measured according to JIS Z 8715.
    • 提供一种用于热存储性优良的热敏彩色显影层的涂布溶液,其中抑制了在其储存期间或在制备热敏记录材料期间的显色性,以及具有优异的印刷部分(图像部分)保存性和背景抑制染色的热敏记录材料 颜色(白色背景)。 一种用于热敏显色层的涂布溶液,其包含无色或浅色给电子的无色染料,受阻酚化合物和作为电子接受显影剂的由下式(1)表示的二苯砜衍生物:其中 上述受阻酚化合物的平均粒径(D50)为0.5μm以下,根据JIS Z 8729测定,涂布液的色调a *不小于-4.0,白度W不低于 大于62,按照JIS Z 8715测量。