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    • 10. 发明授权
    • THERMALLY-RESPONSIVE RECORD MATERIAL
    • 热响应记录材料
    • EP1165325B1
    • 2006-02-08
    • EP00988156.6
    • 2000-12-19
    • APPLETON PAPERS INC.
    • MATHIAPARANAM, PonnampalamDEBRAAL, John, CharlesFISHER, Mark, RobertJUSTA MACNEIL, Stacey, AnnBERGGREN, Debra, Arlene
    • B41M5/30
    • B41M5/3375C07C43/202C07C43/2055C07C43/225
    • 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 formula (I) wherein P is selected from (II) and (III), wherein R1, R2 and R3 are independently selected from hydrogen, alkyl, alkoxy, aryl, aralkyl, aralkoxy, halogen, and alkoxyalkoxy; wherein R4 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,其中P选自(II)和(III)的式(I) ),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,卤素和烷氧基烷氧基; 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。