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    • 3. 发明申请
    • Thermal recording medium
    • 热敏记录介质
    • US20050264644A1
    • 2005-12-01
    • US10519188
    • 2003-06-27
    • Junpei NatsuiYuji TsuzukiKaoru HamadaTakashi Date
    • Junpei NatsuiYuji TsuzukiKaoru HamadaTakashi Date
    • B41M5/30B41M5/333B41M5/337B41M5/00
    • B41M5/3375B41M5/3336B41M5/3372
    • Provided is a thermally sensitive recording medium which exhibits high recording sensitivity, high heat resistance of ground color part and excellent preserving stability of images. A thermally sensitive recording medium, comprising a thermally sensitive recording layer containing a colorless or pale colored basic colorless dye and an organic color developing agent as main components on a substrate, wherein said thermally sensitive recording layer contains at least one compound represented by general formula (1) and contains at least one compound selected from the group consisting of 3-{[(phenylamino)carbonyl]amino}benzensulfoneamide represented by formula (2), an ureaurethane compound represented by formula (3) and a copolymer of glysidilmethacrylate and vinyl monomer (average molecular weight is 9000-11000, epoxy equivalent is 300-600 and melting point is 110° C. or less) as a stabilizer. (in the formula, R1 is a hydrogen atom, a halogen atom, an alkyl group or alkoxy group) As a color developing agent a compound represented by general formula (4) is desirable. (in the formula, R2 is an alkyl group of carbon number 1-4, an alkoxy group, a phenyl group or a hydrogen atom).
    • 提供了一种热敏记录介质,其表现出高的记录灵敏度,高亮度的底色部分的耐热性和优异的图像保存稳定性。 一种热敏记录介质,其包含在基材上含有无色或浅色的碱性无色染料和有机彩色显影剂作为主要成分的热敏记录层,其中所述热敏记录层含有至少一种由通式( 1)表示的尿素氨基甲酸酯化合物和由式(3)表示的尿素氨基甲酸酯化合物和甲基丙烯酸glysidil甲基丙烯酸酯和乙烯基单体的共聚物中的至少一种化合物,其包含选自由式(2)表示的3 - {[(苯基氨基)羰基]氨基}苯磺酰胺, (平均分子量为9000〜11000,环氧当量为300〜600,熔点为110℃以下)作为稳定剂。 (式中,R 1是氢原子,卤素原子,烷基或烷氧基)作为显色剂,通式(4)表示的化合物是理想的。 (式中,R 2是碳数1〜4的烷基,烷氧基,苯基或氢原子)。
    • 4. 发明授权
    • Thermal recording medium
    • 热敏记录介质
    • US07384891B2
    • 2008-06-10
    • US10519188
    • 2003-06-27
    • Junpei NatsuiYuji TsuzukiKaoru HamadaTakashi Date
    • Junpei NatsuiYuji TsuzukiKaoru HamadaTakashi Date
    • B41M5/337
    • B41M5/3375B41M5/3336B41M5/3372
    • Provided is a thermally sensitive recording medium which exhibits high recording sensitivity, high heat resistance of ground color part and excellent preserving stability of images. A thermally sensitive recording medium, comprising a thermally sensitive recording layer containing a colorless or pale colored basic colorless dye and an organic color developing agent as main components on a substrate, wherein said thermally sensitive recording layer contains at least one compound represented by general formula (1) and contains at least one compound selected from the group consisting of 3-{[(phenylamino)carbonyl]amino}benzensulfoneamide represented by formula (2), an ureaurethane compound represented by formula (3) and a copolymer of glysidilmethacrylate and vinyl monomer (average molecular weight is 9000-11000, epoxy equivalent is 300-600 and melting point is 110° C. or less) as a stabilizer. (in the formula, R1 is a hydrogen atom, a halogen atom, an alkyl group or alkoxy group) As a color developing agent a compound represented by general formula (4) is desirable. (in the formula, R2 is an alkyl group of carbon number 1-4, an alkoxy group, a phenyl group or a hydrogen atom).
    • 提供了一种热敏记录介质,其表现出高的记录灵敏度,高亮度的底色部分的耐热性和优异的图像保存稳定性。 一种热敏记录介质,其包含在基材上含有无色或浅色的碱性无色染料和有机彩色显影剂作为主要成分的热敏记录层,其中所述热敏记录层含有至少一种由通式( 1)表示的尿素氨基甲酸酯化合物和由式(3)表示的尿素氨基甲酸酯化合物和甲基丙烯酸glysidil甲基丙烯酸酯和乙烯基单体的共聚物中的至少一种化合物,其包含选自由式(2)表示的3 - {[(苯基氨基)羰基]氨基}苯磺酰胺, (平均分子量为9000〜11000,环氧当量为300〜600,熔点为110℃以下)作为稳定剂。 (式中,R 1是氢原子,卤素原子,烷基或烷氧基)作为显色剂,通式(4)表示的化合物是理想的。 (式中,R 2是碳数1〜4的烷基,烷氧基,苯基或氢原子)。
    • 8. 发明授权
    • Thermal recording material
    • 热敏记录材料
    • US06407036B1
    • 2002-06-18
    • US09674299
    • 2000-10-31
    • Yoshimi MidorikawaNaomi SumikawaYuji TsuzukiTomoniri SekineKaoru HamadaYoshihide Kimura
    • Yoshimi MidorikawaNaomi SumikawaYuji TsuzukiTomoniri SekineKaoru HamadaYoshihide Kimura
    • B41M530
    • B41M5/3336B41M5/3375
    • A thermal recording sheet which is satisfactory in sensitivity in color development, background heat resistance, and background color, is free from powdering, and has excellent image retention. The sheet comprises supporting and formed thereon a thermal color development layer containing as main components a colorless or light-colored basic dye and an organic color developer, and is characterized in that the thermal color development layer contains at least one dihydroxydiphenyl sulfone compound represented by general formula (1) as the organic color developer, and further contains either at least one saturated fatty acid monoamide represented by general formula (2) in an amount of 1.5 to 5 parts per part of the organic color developer or a combination of at least one saturated fatty acid monoamide represented by general formula (2) and at least one diphenyl sulfone derivative represented by the general formula (3). In said formulas, R1 and R2 each represents C1-8 alkyl, alkenyl, or halogeno; and a and b each is an integer of 0 to 3; R3 represents C11-21 alkyl; and R4 to R9 each represents hydrogen, alkyl, halogeno, nitro, alkoxy, cyano, or allyloxy.
    • 在显色性,背景耐热性和背景颜色方面的感光度令人满意的热敏记录片材没有粉化,并且具有优异的图像保留性。 该片材包括在其上形成含有无色或浅色碱性染料和有机彩色显影剂作为主要成分的热显色层,其特征在于,热显色层含有至少一种二氢二苯基砜化合物 式(1)表示的化合物,并且还含有至少一种由通式(2)表示的饱和脂肪酸单酰胺,其用量为每份有机彩色显影剂1.5至5份或至少一种 由通式(2)表示的饱和脂肪酸单酰胺和由通式(3)表示的至少一种二苯砜衍生物。 在所述式中,R 1和R 2各自表示C 1-8烷基,烯基或卤素; a和b各自为0〜3的整数; R 3表示C 11-21烷基; 并且R 4至R 9各自表示氢,烷基,卤代,硝基,烷氧基,氰基或烯丙氧基。
    • 9. 发明授权
    • Thermally sensitive recording medium
    • 热敏记录介质
    • US06303540B1
    • 2001-10-16
    • US09431052
    • 1999-11-01
    • Tadakazu FukuchiKaoru HamadaYuji TsuzukiYoshihide KimuraTomoaki NagaiYutaka Wakita
    • Tadakazu FukuchiKaoru HamadaYuji TsuzukiYoshihide KimuraTomoaki NagaiYutaka Wakita
    • B41M530
    • B41M5/3336B41M5/3375
    • A thermally sensitive recording medium which has thermally sensitive recording layer containing colorless or pale colored basic leuco dye and organic color developer as main components on a substrate, wherein said thermally sensitive recording layer contains diphenylsulfone bridgeable type compound represented by general formula (1) and at least one compound represented by general formula (1). In general formula (2), X and Y can be different and indicates a saturated or an unsaturated liner or grafted hydrocarbon group of carbon number 1-12 which can possess ether bond, or indicates wherein R indicates a methylene group or an ethylene group, T indicates a hydrogen atom or an alkyl group of carbon number 1-4, and R1-R6 independently indicate a halogen atom, an alkyl group of carbon number 1-6, or an alkenyl group, further, m, n, p, q, r, t indicate an integer number of 0-4 and when are bigger than 2, R1-R6 can be different, and a is an integer of 0-10. In general formula (2), R7 represents an alkyl group of carbon number 1-6 or an electron attracting group, u is an integer of 0-2.
    • 一种热敏记录介质,其具有含有无色或浅色基础无色染料和有机彩色显影剂作为主要成分的热敏记录层,其中所述热敏记录层含有通式(1)表示的二苯砜桥连型化合物, 至少一种由通式(1)表示的化合物。在通式(2)中,X和Y可以不同,表示可以具有醚键的碳数1-12的饱和或不饱和的内衬或接枝烃基,或表示在 R表示亚甲基或亚乙基,T表示氢原子或碳数为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 此外,m,n,p,q,r,t表示0-4的整数,当大于2时,R1-R6可以不同,a是0-10的整数。在通式( 2),R7表示 碳数1-6的烷基或吸电子基团,u为0-2的整数。