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    • 6. 发明授权
    • Thermal recording material
    • 热敏记录材料
    • US5827796A
    • 1998-10-27
    • US771074
    • 1985-08-30
    • Ken IwakuraTakekatsu SugiyamaMasato SatomuraAkira Igarashi
    • Ken IwakuraTakekatsu SugiyamaMasato SatomuraAkira Igarashi
    • B41M5/337B41M5/30
    • B41M5/3375
    • A thermal recording material comprising a support having thereon at least one layer containing an electron donating colorless dye, an electron accepting compound and a diaryloxyalkane derivative represented by the following general formulae (I) to (III) Ar.sup.1 O (CH.sub.2).sub.n OAr.sup.2 (I) Ar.sup.2 O--W--OAr.sup.3 (II) Ar.sup.2 OR--X--ROAr.sup.3 (III) wherein Ar.sup.1 represents an aryl group having at least one substituent selected from the group consisting of an alkoxyl group containing 2 or more carbon atoms, an alkoxycarbonyl group containing 3 or more carbon atoms, an aryloxyl group, an aryloxycarbonyl group, an alkenyl group containing 2 or more carbon atoms, an aryl group containing 4 or more carbon atoms an acyloxyl group containing 2 or more carbon atoms, a fulorine atom, a bromine atom, a carboxyl group, an alkylenedioxy group, a cycloalkyl group and a hydroxyl group; Ar.sup.2 and Ar.sup.3 each represents a substituted or unsubstituted aryl group the substituent thereof being selected from the group consisting of an alkyl group, an alkenyl group a cycloalkyl group, a cycloaklenyl group, a halogen atom, an acyl group, an acyloxyl group, an alkoxyl group, a thioalkoxyl group, a alkoxycarbonyl group, an aryloxycarbonyl group, an aryloxyl group, a cyano group, a hydroxyl group, a carboxyl group, an aryl group, an alkylenedioxy group and an aralkyl group and Ar.sup.2 and Ar.sup.3 are the same or different; R represents a divalent group containing from 1 to 6 carbon atoms; X represents --S--, --OCH.sub.2 O--, ##STR1## (wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a halogen atom, a hydroxyl group, an alkoxyl group, an acyloxyl group or a lower alkyl group and R.sup.1 and R.sup.2 are the same or different; R.sup.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group or a halogen atom; and m is an integer of 1 or 2) W represents a branched alkylene group, and n is an integer of from 1 to 10.
    • 一种热敏记录材料,包括其上具有至少一层含有给电子无色染料的层,载体化合物和由以下通式(I)至(III)表示的二芳氧基烷烃衍生物Ar 1 O(CH 2)nOAr 2(I)Ar 2 O -W-OAr 3(II)Ar 2 OR-X-ROAr 3(III)其中Ar 1表示具有至少一个选自含有2个以上碳原子的烷氧基的取代基的芳基,含有3个以上碳原子的烷氧基羰基 原子,芳氧基,芳氧基羰基,碳原子数2以上的烯基,碳原子数4以上的芳基,碳原子数2以上的酰氧基,富氩原子,溴原子,羧基 ,亚烷基二氧基,环烷基和羟基; Ar 2和Ar 3各自表示取代或未取代的芳基,其取代基选自烷基,烯基,环烷基,环烯基,卤素原子,酰基,酰氧基,烷氧基 基团,硫代烷氧基,烷氧基羰基,芳氧基羰基,芳氧基,氰基,羟基,羧基,芳基,亚烷基二氧基和芳烷基,Ar2和Ar3相同或不同 ; R表示含有1至6个碳原子的二价基团; X表示-S - , - OCH 2 O-,(其中R 1和R 2各自表示氢原子,卤素原子,羟基,烷氧基,酰氧基或低级烷基,R 1和 R2相同或不同; R3表示氢原子,低级烷基,低级烷氧基或卤原子; m表示1或2的整数)W表示支链亚烷基,n表示 从1到10。
    • 8. 发明授权
    • Recording material
    • 录音材料
    • US4847236A
    • 1989-07-11
    • US132438
    • 1987-12-14
    • Masato SatomuraKen IwakuraAkira Igarashi
    • Masato SatomuraKen IwakuraAkira Igarashi
    • B41M5/132B41M5/337
    • B41M5/3375Y10S428/913Y10S428/914Y10T428/277
    • A recording material is described capable of color formation by the contact of a colorless electron donating dye with an electron accepting compound, wherein the recording material contains a compound represented by formula (I) or (II)Ar.sub.1 XC.sub.n H.sub.2n YC.sub.m H.sub.2m ZAr.sub.2 (I)wherein Ar.sub.1 and Ar.sub.2 each represents an aromatic ring which may contain an oxygen atom or a sulfur atom: Z represents a divalent group selected from the group consisting of --CO-- and --O--; X represents a divalent group selected from the group consisting of --O-- and --S--, and Y represents a divalent group selected from the group consisting of --O--, --S-- and --CO.sub.2 --, provided that Z is --CO--, or X represents a divalent group of --O-- and Y represents a divalent group selected from the group consisting of --CO.sub.2 --, --SO.sub.2 -- and --SO--, provided that Z is --O--; and n and m each represents an integer of from 1 to 6,Ar.sub.1 XC.sub.n H.sub.2n YC.sub.m H.sub.2m YC.sub.n H.sub.2n XAr.sub.2 (II)wherein Ar.sub.1 and Ar.sub.2 each represents an aromatic ring which may contain an oxygen atom or a sulfur atom; X represents a divalent group selected from the group consisting of --S-- and --O--; Y represents a divalent group of --CO.sub.2 --; and n and m each represents an integer of from 1 to 6.