Heat-sensitive record material
    1.
    发明授权

    公开(公告)号:US4977132A

    公开(公告)日:1990-12-11

    申请号:US370267

    申请日:1989-06-22

    IPC分类号: B41M5/30 B41M5/327

    CPC分类号: B41M5/327 B41M5/3275

    摘要: The heat-sensitive record material according to this invention has a heat-sensitive recording layer on a base sheet, which comprises a colorless or pale colored basic chromogenic material and a phenolic compound developing a color by contacting with the chromogenic material. The recording layer comprises, as the basic chromogenic material, at least one fluoran derivative represented by the following formula [I] and at least one phthalide derivative represented by the following formula [II] in a weight ratio of 100:1.about.20; ##STR1## wherein each R.sub.1, R.sub.2 represents alkyl, unsaturated alkyl, cycloalkyl, aryl, aralkyl or tetrahydrofurfuryl, each of which may have at least one substituent selected from the group consisting of halogen, alkyl and alkoxyl, R.sub.1 may cooperate with R.sub.2 to form a ring, each R.sub.3, R.sub.4 represents hydrogen, alkyl, halogen or alkoxyl, P represents hydrogen, halogen, alkyl, alkoxyl, halogenated alkyl, alkoxycarbonyl or dialkylamino, T represents hydrogen, alkyl or halogen, and n represents an integer of 1 to 4, ##STR2## wherein each R.sub.5 .about.R.sub.10 represents hydrogen, C.sub.1 .about.C.sub.6 alkyl, C.sub.3 .about.C.sub.6 unsaturated alkyl, C.sub.5 .about.C.sub.6 cycloalkyl, phenyl, C.sub.7 .about.C.sub.9 aralkyl or tetrahydrofurfuryl, each of which may have at least one substituent selected from the group consisting of halogen, C.sub.1 .about.C.sub.2 alkyl and C.sub.1 .about.C.sub.3 alkoxyl, each pair of R.sub.5 and R.sub.6, R.sub.7 and R.sub.8, and R.sub.9 and R.sub.10 may cooperate to form pyrrolidino ring, piperidino ring, morpholino ring or hexamethyleneimino ring, and Y represents halogen, C.sub.1 .about.C.sub.2 alkyl, C.sub.1 .about.C.sub.2 alkoxyl or C.sub.2 .about.C.sub.3 acyloxy.

    Recording material
    2.
    发明授权

    公开(公告)号:US5096872A

    公开(公告)日:1992-03-17

    申请号:US602590

    申请日:1990-10-24

    IPC分类号: B41M5/155 B41M5/30 B41M5/333

    CPC分类号: B41M5/3335 B41M5/3336

    摘要: The present invention provides a recording material utilizing the color forming reaction between a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color and forming on the same or different substrate layer or layers containing the basic dye and the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicylic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof ##STR1## wherein X is straight-chain or branched-chain C.sub.1.about.12 alkylene or C.sub.5.about.12 cycloalkylene, R is C.sub.1.about.20 alkyl having or not having a substituent or C.sub.2.about.20 alkenyl having or not having a substituent, Y is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl or halogen atom, Z is C.sub.1.about.6 alkyl, C.sub.2.about.6 alkenyl, C.sub.7.about.10 aralkyl, C.sub.1.about.6 alkoxyl, cyclohexyl, phenyl, phenoxy or halogen atom, l is an integer of 1 to 3, m is zero or an integer of 1 to 4, n is zero or an integer of 1 to 3.

    Recording material
    3.
    发明授权
    Recording material 失效
    记录材料

    公开(公告)号:US5094999A

    公开(公告)日:1992-03-10

    申请号:US529425

    申请日:1990-05-29

    IPC分类号: B41M5/155 B41M5/333

    CPC分类号: B41M5/3336 B41M5/155

    摘要: A recording material utilizing the reaction between a colorless or light-colored basic dye and a color acceptor reactive with the basic dye to form a color and forming on the same or different substrate a layer or layers containing the basic dye of the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicyclic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof ##STR1## wherein Ar, R, X, l and m are defined in the specification.

    Heat sensitive recording material
    4.
    发明授权
    Heat sensitive recording material 失效
    热敏记录材料

    公开(公告)号:US4985393A

    公开(公告)日:1991-01-15

    申请号:US448419

    申请日:1989-12-11

    IPC分类号: B41M5/333

    CPC分类号: B41M5/3336

    摘要: A heat sensitive recording material comprising a substrate and a heat sensitive recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color when contacted therewith, the recording material being characterized in that, as the color acceptor is used at least one compound of the formula [I] ##STR1## wherein R is an alkylene group having at least one bond selected from the group consisting of ester bond and amido bond in the main chain, R.sub.1 and R.sub.2 are each hydrogen atom, alkyl, cycloalkyl, alkenyl, alkoxyl, hydroxyl or halogen atom.

    Heat-sensitive recording material
    5.
    发明授权
    Heat-sensitive recording material 失效
    热敏记录材料

    公开(公告)号:US4794101A

    公开(公告)日:1988-12-27

    申请号:US59746

    申请日:1987-06-08

    摘要: In a heat-sensitive recording material incorporating a colorless or pale-colored basic dye and a color acceptor which is reactive with the dye to form a color when contacted therewith, the recording material characterized in that (a) as the basic dye are used 100 parts by weight of a specific phthalide derivative of the formula [I] and 20 to 100 parts by weight of a specific black color-forming fluoran derivative of the formula [II], (b) as the color acceptor is used a polyvalent metal salt of an aromatic carboxylic acid and (c) a recording sensitizer is further used, and whereby the resulting record images are at least 0.75 in PCS value at 800 nm.

    摘要翻译: 在含有无色或浅色碱性染料的热敏记录材料和与染料反应形成颜色的颜色受体时,该记录材料的特征在于:(a)作为碱性染料使用100 使用式[I]的特定的苯并呋喃酮衍生物和20至100重量份的式[II]的特定的黑色成色荧烷衍生物,作为着色剂的(b)重量份使用多价金属盐 的芳族羧酸和(c)记录敏化剂,并且由此得到的记录图像在800nm处的PCS值至少为0.75。