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    • 5. 发明授权
    • Electrostatic recording material and method for the production thereof
    • 静电记录材料及其制造方法
    • US4268595A
    • 1981-05-19
    • US91277
    • 1979-11-05
    • Kazuharu KatagiriShozo IshikawaShigeto OhtaMakoto Kitahara
    • Kazuharu KatagiriShozo IshikawaShigeto OhtaMakoto Kitahara
    • H04N1/29G03G5/02G03C1/87
    • G03G5/0208Y10T428/31906Y10T428/31935
    • An electrostatic recording material comprising a support having formed thereon a dielectric layer composed of a terpolymer consisting of (a) methacrylic acid, (b) a monomer selected from the group consisting of (1) acrylic acid esters containing at least 4 carbon atoms and (2) methacrylic acid esters containing at least 5 carbon atoms, and (c) a monomer selected from the group consisting of (1) acrylic acid esters containing at least 4 carbon atoms and (2) methacrylic acid esters containing at least 5 carbon atoms, wherein monomer (b) and monomer (c) are different and at least one of the monomers (b) and (c) is an acrylic acid ester containing at least 11 carbon atoms or a methacrylic acid ester containing at least 8 carbon atoms, and a method for producing an electrostatic recording material, which comprises converting such a terpolymer to a water-soluble or water-emulsifiable salt of the terpolymer in which about 20 to 100 mol% of the carboxyl groups present form a salt with ammonia and/or a volatile amine, dissolving or dispersing the terpolymer salt in water, coating the resulting solution or dispersion onto a support, and drying the coating to volatilize the ammonia and/or volatile amine.
    • 一种静电记录材料,包括其上形成有由以下组成的三元共聚物构成的介电层的载体:(a)甲基丙烯酸,(b)选自(1)含有至少4个碳原子的丙烯酸酯的单体和( 2)含有至少5个碳原子的甲基丙烯酸酯,和(c)选自(1)含有至少4个碳原子的丙烯酸酯和(2)含有至少5个碳原子的甲基丙烯酸酯的单体, 其中单体(b)和单体(c)不同,并且单体(b)和(c)中的至少一种是含有至少11个碳原子的丙烯酸酯或含有至少8个碳原子的甲基丙烯酸酯, 一种制备静电记录材料的方法,包括将这种三元共聚物转化为三元共聚物的水溶性或水可乳化盐,其中约20至100摩尔%的羧基与氨形成盐与氨 和/或挥发性胺,将三元共聚物盐溶解或分散在水中,将所得溶液或分散体涂布到载体上,并干燥涂层以挥发氨和/或挥发性胺。
    • 6. 发明授权
    • Electrophotographic disazo photosensitive member
    • 电子照相双偶光敏元件
    • US4471040A
    • 1984-09-11
    • US300581
    • 1981-09-09
    • Kazuharu KatagiriKatsunori WatanabeShozo IshikawaMakoto Kitahara
    • Kazuharu KatagiriKatsunori WatanabeShozo IshikawaMakoto Kitahara
    • G03G5/06G03G5/14
    • G03G5/0681G03G5/0685
    • An electrophotographic photosensitive member have a photosensitive layer, said photosensitive layer comprising at least one dis-azo pigment of Formula (I) or Formula (II) shown below: ##STR1## wherein Z represents an oxygen atom, a sulfur atom or >N--A.sub.2, wherein A.sub.2 is a hydrogen atom or a lower alkyl, A.sub.1 a hydrogen atom, a lower alkyl or a halogen atom; Ph.sub.1 an unsubstituted or substituted phenylene group, n an integer of 0 or 1, and B.sub.1 a coupler residue; with proviso that when n is 0, Z is an oxygen atom and A.sub.1 is a hydrogen atom, the case where Ph.sub.1 represents substituted phenyl radicals except for unsubstituted or mono-substituted phenyl radicals with a halogen atom, a lower alkyl or an alkoxy group;and ##STR2## wherein Ph.sub.2 represents an unsubstituted or substituted phenylene group and B.sub.2 a coupler residue.
    • 电子照相感光构件具有感光层,所述感光层包含至少一种如下所示的式(I)或式(II)的偶氮颜料:其中Z表示氧原子,硫原子 或> N-A2,其中A2是氢原子或低级烷基,A1是氢原子,低级烷基或卤素原子; Ph1为未取代或取代的亚苯基,n为0或1的整数,B1为成色剂残基; 条件是当n为0时,Z为氧原子,A1为氢原子,除了未取代或单取代的具有卤素原子,低级烷基或烷氧基的苯基以外,Ph1表示取代苯基的情况; 和式(II)其中Ph2表示未取代或取代的亚苯基,B2表示成色剂残基。