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    • 4. 发明授权
    • Thermally sensitive recording medium
    • 热敏记录介质
    • US07476642B2
    • 2009-01-13
    • US10564808
    • 2004-07-16
    • Mizuho ShimoyamaKaoru HamadaSeiki YoneshigeKenji Hirai
    • Mizuho ShimoyamaKaoru HamadaSeiki YoneshigeKenji Hirai
    • B41M5/42
    • B41M5/42B41M5/3372
    • Provision of a thermally sensitive recording medium made up of an undercoating layer containing a pigment and a binder as main components and a thermally sensitive color-developing layer containing a colorless or pale-colored basic leuco dye and a color-developing agent which develops a color by reacting with said basic leuco dye as main components on a substrate, wherein the undercoating layer contains a water-retention agent and a pigment whose oil-absorbing capacity prescribed by JIS K 5105 is from 80 cc/100 g to 120 cc/100 g as a pigment. Further, the solids concentration of a coating for the undercoating layer is from 25% to 45% and the dynamic water-retention capacity, which is Water retention measured with AA-GWR, is 350 g/m2 or less.
    • 提供由含有颜料和粘合剂作为主要成分的底涂层组成的热敏记录介质和含有无色或浅色碱性无色染料的热敏显色层和显色剂 通过使基础无色染料作为主要成分与基材反应,其中底涂层含有保水剂和由JIS K 5105规定的吸油能力为80cc / 100g至120cc / 100g的颜料 作为颜料。 此外,底涂层的涂层的固体浓度为25〜45%,作为用AA-GWR测定的保水性的动态保水能力为350g / m 2以下。
    • 6. 发明授权
    • Multi chromatic thermally sensitive recording medium
    • 多色热敏记录介质
    • US06579828B1
    • 2003-06-17
    • US09680928
    • 2000-10-10
    • Kaoru HamadaTadakazu FukuchiYoshimi MidorikawaYoshihide Kimura
    • Kaoru HamadaTadakazu FukuchiYoshimi MidorikawaYoshihide Kimura
    • B41M530
    • B41M5/3333B41M5/3331
    • A multi chromatic thermally sensitive recording medium comprising, a higher temperature color developing layer containing dye precursor and an organic color developer that reacts with said dye precursor and develops color by heating, and at least one lower temperature color developing layer that develops different color from that of said higher temperature color developing layer and develops color by lower temperature than the color developing temperature of said higher temperature color developing layer laminated in order on a substrate, wherein an organic color developer contained in said higher temperature color developing layer contains said diphenylsulfone bridgeable type compound represented by general formula (1) and/or said 3-{[(phenylamine)carbonyl]amino}benzenesulfoneamide compound represented by general formula (2), wherein, X and Y can be different and indicates a saturate or an unsaturated liner or grafted hydrocarbon group of carbon number 1 to 12 which can possess an ether bond, or wherein R indicates a methylene group or an ethylene group, T indicates a hydrogen atom or an alkyl group of carbon number 1 to 4, and R1 to R6 independently indicate a halogen atom, an alkyl group of carbon number 1 to 6 or an alkenyl group, further m, n, p, q, r, t indicate an integer number of 0 to 4 and when are bigger than 2, R1 to R6 can be different and a is an integer of 0 to 10.
    • 一种多色热敏记录介质,包括:含有染料前体的高温彩色显影层和与所述染料前体反应并通过加热显色的有机彩色显影剂;以及至少一种与该色素前体形成不同颜色的低温彩色显影层 的所述高温彩色显影层,并且通过比在所述高温彩色显影层的彩色显影温度更低的温度显影出颜色,所述显色温度依次层压在基板上,其中所述高温彩色显影层中所含的有机彩色显影剂含有所述二苯砜可桥接型 由通式(1)表示的化合物和/或由通式(2)表示的所述3 - {[(苯基胺)羰基]氨基}苯磺酰胺化合物,其中X和Y可以不同,表示饱和或不饱和的内衬或 碳原子数1〜12的可接受烃基的接枝烃基 R键,或其中R表示亚甲基或亚乙基,T表示氢原子或碳数1〜4的烷基,R1〜R6独立地表示卤素原子,碳原子数为1〜6的烷基或 烯基,另外m,n,p,q,r,t表示0〜4的整数,当大于2时,R 1〜R 6可以不同,a为0〜10的整数。