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    • 2. 发明公开
    • Thermally-responsive record material
    • 热响应记录材料
    • EP1083058A2
    • 2001-03-14
    • EP00307089.3
    • 2000-08-18
    • APPLETON PAPERS INC.
    • Mathiaparanam, PonnampalamFisher, Mark RobertDeBraal, John Charles
    • B41M5/30
    • B41M5/3375B41M5/3275
    • The present invention is a novel thermally-responsive record material comprising a substrate having provided thereon in substantially contiguous relationship an electron donating dye precursor, an acidic developer material, a compound of the formula
      wherein R 1 , R 2 and R 3 are independently selected from hydrogen, alkyl, alkoxy, aryl, aralkyl, aralkoxy, halogen, alkoxyalkoxy, and aralkoxyalkoxy;
      wherein R 4 is independently selected from alkoxyalkyl, alkoxyalkoxy, and aralkoxyalkoxy, and a suitable binder therefor.
      In the context of the present invention the alkyl moieties in the alkyl, aralkyl, aralkoxy, alkoxyalkyl, alkoxyalkoxy and aralkoxyalkoxy preferably are eight carbons or less, and more preferably from one through four carbons. Substituents on aryl moieties in aryl, aralkyl, aralkoxy, and aralkoxyalkoxy groups can include hydrogen, alkyl, alkoxy and halogen. The alkyl group in these substituents also is eight carbons or less, and more preferably from one through four carbons.
      The thermally responsive record material of the invention has the unexpected and remarkable properties of enhanced image intensity or density, and/or improved thermal response.
    • 本发明是一种新颖的热响应记录材料,它包括其上以基本上邻接的关系提供给电子染料前体,酸性显影剂材料,下式化合物其中R 1,R 2和R 3独立地选自氢,烷基 烷氧基,芳基,芳烷基,芳烷氧基,卤素,烷氧基烷氧基和芳烷氧基烷氧基; 其中R 4独立地选自烷氧基烷基,烷氧基烷氧基和芳烷氧基烷氧基,以及适合的粘合剂。 在本发明的上下文中,烷基,芳烷基,芳烷氧基,烷氧基烷基,烷氧基烷氧基和芳烷氧基烷氧基中的烷基部分优选为八个碳或更少,更优选1至4个碳。 芳基,芳烷基,芳烷氧基和芳烷氧基烷氧基中的芳基部分上的取代基可以包括氢,烷基,烷氧基和卤素。 这些取代基中的烷基也是8个碳以下,更优选1〜4个碳。 本发明的热响应记录材料具有增强的图像强度或密度和/或改善的热响应的意想不到的和显着的性能。
    • 3. 发明公开
    • Thermally-responsive record material using an ether sensitizer
    • 自动化设备
    • EP0873880A1
    • 1998-10-28
    • EP98302304.5
    • 1998-03-26
    • APPLETON PAPERS INC.
    • Fisher, Mark RobertDebraal, John CharlesGusse, Joseph Peter
    • B41M5/30
    • B41M5/3336B41M5/3275B41M5/3375
    • Thermally-responsive record material useful for bar coding comprises a support having provided thereon in substantially contiguous relationship in one or more layers a heat-sensitive coating comprising: a substantially colorless dye precursor comprising 2-anilino-3-methyl-6-dibutylaminofluoran; a sensitizer selected from the group consisting of 1,2-diphenoxyethane and 1,2-(4-methylphenoxy)ethane; an acidic developer material comprising bis-(3-allyl-4-hydroxyphenyl)sulfone which upon being heated reacts with said dye precursor to develop color; and a binder material. A bar code produced by thermally-imaging the record material has a high print contrast signal; high dimensional stability in terms of low bar width growth degradation; a high percentage of successful decodes; and high contrast of the bar code with the background.
    • 可用于条形编码的耐热响应记录材料包括在一个或多个层上以基本上邻接的关系在其上提供的支撑体,其包含:包含2-苯胺基-3-甲基-6-二丁基氨基荧烷的基本上无色的染料前体; 选自1,2-二苯氧基乙烷和1,2-(4-甲基苯氧基)乙烷的敏化剂; 包含二 - (3-烯丙基-4-羟基苯基)砜的酸性显影剂材料,其在加热时与所述染料前体反应以显色; 和粘合剂材料。 通过对记录材料进行热成像而产生的条形码具有高的印刷对比度信号; 在低条宽生长降解方面的高尺寸稳定性; 成功解码的比例很高; 和条形码与背景的高对比度。