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公开(公告)号：US4622566A
公开(公告)日：1986-11-11
申请号：US760120
申请日：1985-07-29
CPC分类号： B41M5/3275 , B41M5/3336
摘要： A heat-sensitive recording material is disclosed, comprising a support having thereon a heat-sensitive, color-forming layer mainly composed of as color-forming components a colorless or pale-colored leuco dye and an acidic compound capable of allowing said leuco dye to color develop by heating, wherein said heat-sensitive, color-forming layer comprises a color former comprising a fluoran derivative represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 each represents a lower alkyl group, and X represents a halogen atom, a lower alkyl group, a cyano group, or a nitro group, a developer comprising bis(p-hydroxyphenyl)sulfone or a derivative thereof represented by the following general formula (II): ##STR2## wherein R.sub.3 and R.sub.4 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, a phenoxy group, a carbonyl group, a nitro group, or a cyano group, and a binder comprising an ammonium salt of a diisobutylene/maleic anhydride copolymer and a styrene/butadiene copolymer. The heat-sensitive recording material of the present invention is good in preservability.
摘要翻译： 公开了一种热敏记录材料，其包括其上具有主要由无色或浅色隐色染料的成色组分形成的热敏成色层和能使所述无色染料 通过加热显色，其中所述热敏成色层包含由以下通式（I）表示的荧烷衍生物的成色剂：其中R 1和R 2各自表示低级烷基， X表示卤素原子，低级烷基，氰基或硝基，包含由下列通式（II）表示的双（对羟基苯基）砜或其衍生物的显色剂： ），其中R 3和R 4各自表示氢原子，烷基，芳基，烷氧基，苯氧基，羰基，硝基或氰基，以及包含二异丁烯铵盐 /马来酐共聚物a 和苯乙烯/丁二烯共聚物。 本发明的热敏记录材料的保存性良好。
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公开(公告)号：US4570169A
公开(公告)日：1986-02-11
申请号：US647394
申请日：1984-09-05
CPC分类号： B41M5/44 , B41M2205/04
摘要： A heat-sensitive recording material composed of a heat-sensitive, color-forming layer on a sheet substrate. The heat-sensitive, color-forming layer is mainly composed of a color-forming component consisting of a colorless or light-colored leucodye and an acidic compound for allowing said leucodye to develop color by heating, and further includes on the upper surface thereof a protective layer composed mainly of a polyvinyl alcohol and containing an epoxy compound having in its molecule at least two epoxy groups or an ethylenimine compound having in its molecule at least two ethylenimine groups.
摘要翻译： 由片状基材上的热敏性成色层构成的热敏记录材料。 热敏成色层主要由无色或浅色白色和由酸性化合物组成的成色组分组成，用于通过加热使所述白点变色，并且在其上表面上还包括 保护层主要由聚乙烯醇组成并含有分子中具有至少两个环氧基的环氧化合物或其分子中至少有两个亚乙基亚胺基的亚乙基亚胺化合物。
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公开(公告)号：US4743580A
公开(公告)日：1988-05-10
申请号：US906501
申请日：1986-09-12
CPC分类号： B41M5/3372
摘要： A heat-sensitive recording material comprises a sheet substrate applied thereon with a heat-sensitive, color-developing layer containing as the main components a colorless or light-colored leuco dye, a developer for permitting said dye to develop a color by heating and a binder, in which the binder used is an ammonium salt of a diisobutylene/maleic anhydride copolymer is expressed in terms of the following general formula: ##STR1## wherein R stands for a diisobutylene group a part of said ammonium salt being substituted and modified by an ammonium salt comprising a primary, secondary or tertiary ethanol amine.
摘要翻译： 热敏记录材料包括其上施加有热敏彩色显影层的片状基材，其包含无色或浅色无色染料作为主要组分，用于允许所述染料通过加热显色的显影剂和 粘合剂，其中使用的粘合剂是二异丁烯/马来酸酐共聚物的铵盐，用下列通式表示：其中R代表二异丁烯基，所述铵盐的一部分被一个 包含伯，仲或叔乙醇胺的铵盐。
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