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    • 1. 发明授权
    • Heat-sensitive recording material
    • 热敏记录材料
    • US4746645A
    • 1988-05-24
    • US942400
    • 1986-12-16
    • Teijiro KitaoMitsuru KondoToshitake SuzukiMasayuki OmatsuHironori FujiiKenji Minami
    • Teijiro KitaoMitsuru KondoToshitake SuzukiMasayuki OmatsuHironori FujiiKenji Minami
    • B41M5/333B41M5/18
    • B41M5/3335
    • Disclosed is a heat-sensitive recording material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and comprising a colorless or pale-colored basic dye and a color developing material capable of forming a color when contacted with the dye, the heat-sensitive recording material being characterized in that the heat-sensitive record layer contains as the color developing material at least one multi-valent metal salt of a halophthalic acid derivative represented by the formula ##STR1## wherein R represents a divalent saturated or unsaturated C.sub.2 -C.sub.12 aliphatic hydrocarbon group which may optionally have a hydroxyl, C.sub.1 -C.sub.3 acyloxy or phenyl group as a substituent or a divalent saturated or unsaturated C.sub.4 -C.sub.6 aliphatic hydrocarbon group containing one or two ether bonds, X is a halogen atom and n is an integer of 1-4.
    • 公开了一种热敏记录材料,其包括基片和形成在基片上的热敏记录层,并且包含无色或浅色碱性染料和当与染料接触时能够形成颜色的显色材料, 热敏记录材料的特征在于,热敏记录层含有由式(I)表示的卤代邻苯二甲酸衍生物的至少一种多价金属盐作为显色材料,其中R表示二价 饱和或不饱和的C 2 -C 12脂族烃基,其可任选地具有羟基,C 1 -C 3酰氧基或苯基作为取代基或含有一个或两个醚键的二价饱和或不饱和C 4 -C 6脂族烃基,X是卤素原子 n为1-4的整数。
    • 3. 发明授权
    • Heat-sensitive recording material
    • 热敏记录材料
    • US4633277A
    • 1986-12-30
    • US748252
    • 1985-06-24
    • Toshitake SuzukiFumio HamaMitsuru Kondo
    • Toshitake SuzukiFumio HamaMitsuru Kondo
    • B41M5/333B41M5/18
    • B41M5/3335
    • This invention provides a heat-sensitive recording material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and comprising a colorless or pale-colored basic dye and a color developing material capable of forming a color when contacted with the dye, the recording material being characterized in that the heat-sensitive record layer comprises as the color developing material at least one compound represented by the formula ##STR1## wherein X is straight- or branched-chain alkylene group having 1 to 4 carbon atoms, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen atom, halogen atom, alkyl group having 1 to 4 carbon atoms, alkoxy group having 1 to 4 carbon atoms, phenyl group or benzyl group, or R.sub.1 and R.sub.2 R.sub.2 and R.sub.3, and R.sub.4 and R.sub.5, when taken together, may form an aromatic ring, and when R.sub.4 and R.sub.5 taken together form an aromatic ring, the hydroxy group on the benzene ring to which R.sub.4 and R.sub.5 are attached may be substituted on the aromatic ring formed by R.sub.4 and R.sub.5.
    • 本发明提供了一种热敏记录材料,其包括基片和形成在基片上的热敏记录层,并且包含无色或浅色碱性染料和当与染料接触时能够形成颜色的显色材料 记录材料的特征在于,热敏记录层包含至少一种由式(I)表示的化合物作为显色材料,其中X是具有1-4个碳原子的直链或支链亚烷基 原子,R 1,R 2,R 3,R 4和R 5各自为氢原子,卤素原子,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基,苯基或苄基,或R 1和R 2 + R 2和R 3以及R 4和R 5一起形成芳香环,当R 4和R 5一起形成芳环时,R4和R5所连接的苯环上的羟基可以在 R4形成的芳环 d R5。