Thermosensitive recording material
    1.
    发明授权
    Thermosensitive recording material 失效
    耐热记录材料

    公开(公告)号:US5179066A

    公开(公告)日:1993-01-12

    申请号:US866052

    申请日:1992-04-08

    IPC分类号: B41M5/337

    CPC分类号: B41M5/3375

    摘要: This invention relates to a thermosensitive recording material containing at least one of durene derivative represented by the formula (I): ##STR1## wherein Z represents CH.sub.2 OX or H, X represents an alkyl group, a cycloalkyl group, a substituted or unsubstituted aralkyl group or aryl group, or --COR group where R represents an alkyl group or a substituted or unsubstituted aryl group,in a recording layer which contains a leuco dye and a color-developing agent which reacts with said dye so as to form a color by heating, and the thermosensitive recording material having high color sensitivity can be obtained.

    摘要翻译: 本发明涉及含有式(I)表示的杜烯衍生物中的至少一种的热敏记录材料:其中Z表示CH2OX或H,X表示烷基,环烷基,取代或未取代的 芳烷基或芳基,或-COR基团,其中R表示烷基或取代或未取代的芳基,在含有无色染料的记录层和与所述染料反应形成颜色的显色剂 并且可以获得具有高色感的热敏记录材料。

    Chromogenic compounds and the use thereof as color former in copying or
recording materials
    2.
    发明授权
    Chromogenic compounds and the use thereof as color former in copying or recording materials 失效
    显色化合物及其在复制或记录材料中作为成色剂的用途

    公开(公告)号:US4444591A

    公开(公告)日:1984-04-24

    申请号:US351600

    申请日:1982-02-23

    摘要: Novel chromogenic fluoran compounds of the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl radicals of from five to eight carbon atoms; R.sub.2 is selected from the group consisting of alkyl radicals of from one to eight carbon atoms; R.sub.3 is selected from the group consisting of hydrogen atom and lower alkyl radicals of from one to four carbon atoms; X.sub.1 and X.sub.2 are independently selected from the group consisting of hydrogen atom and lower alkyl radicals of from one to four carbon atoms, X.sub.3 is selected from the group consisting of hydrogen atom, lower alkyl radicals of from one to four carbon atoms, halogen atoms and trifluoromethyl radical; and n is an integer of a value of 1 or 2; providing that R.sub.1 does not represent an amyl radical when R.sub.2 is selected from the group consisting of alkyl radicals of from one to five carbon atoms, X.sub.1 and X.sub.2 are each a hydrogen atom, X.sub.3 is selected from the group consisting of hydrogen atom, lower alkyl radicals of from one to four carbon atoms and halogen atoms.

    摘要翻译: 新型的显色荧烷化合物,其分子式为:其中R 1选自5-8个碳原子的烷基; R2选自1-8个碳原子的烷基; R3选自氢原子和1-4个碳原子的低级烷基; X 1和X 2独立地选自氢原子和1至4个碳原子的低级烷基,X 3选自氢原子,1至4个碳原子的低级烷基,卤素原子和 三氟甲基; n为1或2的整数; 当R2选自1至5个碳原子的烷基时,R1不表示戊基,X1和X2各自为氢原子,X3选自氢原子,低级烷基 一至四个碳原子的基团和卤素原子。

    Chromogenic compounds
    6.
    发明授权
    Chromogenic compounds 失效
    显色化合物

    公开(公告)号:US4564679A

    公开(公告)日:1986-01-14

    申请号:US388935

    申请日:1982-06-16

    CPC分类号: C09B11/26 B41M5/145 B41M5/327

    摘要: The chromogenic azaphthalide compounds of the invention are of the formula: ##STR1## wherein A is a pyridine ring; R.sub.1 is hydrogen atom or alkyl radicals of from one to 4 carbon atoms; X is hydrogen atom, alkyl radicals of from one to 2 carbon atoms or alkoxy radicals of from one to 2 carbon atoms; R.sub.2 is alkyl radicals of from one to 2 carbon atoms or phenyl radical; R.sub.3 is hydrogen atom or alkyl radicals of from one to 8 carbon atoms.These compounds are particularly suitable for use in providing high quality pressure- or heat-sensitive copying sheets.

    摘要翻译: 本发明的显色氮杂萘化合物具有下式:其中A是吡啶环; R1是氢原子或1-4个碳原子的烷基; X是氢原子,1至2个碳原子的烷基或1至2个碳原子的烷氧基; R2是1至2个碳原子的烷基或苯基; R3是氢原子或1至8个碳原子的烷基。 这些化合物特别适用于提供高质量的压敏或热敏复印纸。

    Phthalide compound and recording material using the compound
    7.
    发明授权
    Phthalide compound and recording material using the compound 失效
    使用该化合物的苯酞化合物和记录材料

    公开(公告)号:US5286702A

    公开(公告)日:1994-02-15

    申请号:US873938

    申请日:1992-04-24

    摘要: The present invention provides a novel phthalide compound represented by the following formula, which rapidly forms blue-blue black color with a developer when it is used as a recording material and, since a color image formed therewith has an intense absorption at 700.about.50 nm, it is usable for optical character reader; ##STR1## where R.sup.1 and R.sup.2 represent, independently, alkyl group having 6 or less carbon atoms; cycloalkyl group having 5 or 6 carbon atoms; aryl group; or heterocyclic ring connecting R.sup.1, R.sup.2 and N, R.sup.3 and R.sup.4 represent, independently, alkyl group having 6 or less carbon atoms; cycloalkyl group having 5 or 6 carbon atoms; aryl group; a heterocyclic ring connecting R.sup.3, R.sup.4 and N, X.sup.1 .about.X.sup.3 represent, independently, hydrogen atom, alkyl group having 6 or less carbon atoms, alkoxy group having 6 or less carbon atom or halogen atom, X.sup.4 represents hydrogen atom, alkyl group having 6 or less carbon atoms, alkoxy group having 6 or less carbon atom, halogen atom or ##STR2##

    摘要翻译: 本发明提供了一种由下式表示的新颖的苯酞化合物,当用作记录材料时,它用显影剂迅速形成蓝 - 蓝黑色,并且由于其形成的彩色图像在700-50nm处具有强吸收 ,可用于光学字符读取器; (*化学结构*)其中R 1和R 2独立地表示具有6个或更少个碳原子的烷基; 具有5或6个碳原子的环烷基; 芳基; 或R 1,R 2和N 3,R 4和R 4的杂环独立地表示具有6个或更少个碳原子的烷基; 具有5或6个碳原子的环烷基; 芳基; 连接R 3,R 4和N的杂环,X 1 -X 3独立地表示氢原子,碳原子数6以下的烷基,碳原子数6以下的烷氧基或卤原子,X 4表示氢原子,烷基6 或更少的碳原子,具有6个或更少碳原子的烷氧基,卤素原子或(*化学结构*)

    Heat-sensitive recording material

    公开(公告)号:US4814320A

    公开(公告)日:1989-03-21

    申请号:US059525

    申请日:1987-06-08

    摘要: Disclosed herein is a heat-sensitive recording material in which a chromogenic dye-procursor comprises:(A) a mixture comprising at least two divinyl phthalide compounds represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 represent respectively alkyl group of 1 to 6 carbon atoms, alkyl group of 1 to 4 carbon atoms having an alkoxy group of 1 to 4 carbon atoms or cycloalkyl group of 5 to 7 carbon atoms, X.sup.1 and X.sup.2 represent respectively hydrogen atom, alkyl group of 1 to 8 carbon atoms, alkoxy group of 1 to 8 carbon atoms, alkoxy group of 1 to 4 carbon atoms having an alkoxy group of 1 to 4 carbon atoms, cycloalkoxy group of 5 to 7 carbon atoms, alkenyloxy group of 3 to 8 carbon atoms, benzyloxy group, substituted benzyloxy group, furfurloxy group, tetrahydrofurfuryloxy group, phenyl group, substituted phenyl group, phenoxy group, substituted phenoxy group, fluorine atom, chlorine atom or bromine atom, m and n represent 0 or integer of 1 to 4, m+n=4 and R.sup.1 and R.sup.2 may join together to form a heterocyclic ring, or(B) a mixture of the divinyl phthalide compound(s) represented by the formula (I) and at least one compound selected from the compounds represented by the formulas (II), (III) and (IV): ##STR2## wherein R.sup.3 -R.sup.14 represent alkyl group of 1 to 6 carbon atoms, alkyl group of 1 to 4 carbon atoms each having an alkoxy group of 1 to 4 carbon atoms, cycloalkyl group of 5 to 7 carbon atoms, phenyl group, substituted phenyl group or tetrahydrofurfuryl group, p and q represent 0 or integer of 1 to 4 p+q=4, X.sup.3 represents hydrogen atom, alkyl group of 1 to 4 carbons or chlorine atom, X.sup.4 and X.sup.5 respectively represent hydrogen atom, alkyl group of 1 to 4 carbon atoms, flurine atom, chlorine atom or trifluoromethyl group, R.sup.3 and R.sup.4, R.sup.5 and R.sup.6, R.sup.7 and R.sup.8, R.sup.9 and R.sup.10, R.sup.11 and R.sup.12, and R.sup.13 and R.sup.14 may join together to form heterocyclic rings.