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    • 2. 发明授权
    • Simultaneous coatings of polymeric lubricant layer and transparent
magnetic recording layer for photographic element
    • 聚合物润滑剂层的同时涂层和照相元件的透明磁记录层
    • US5821027A
    • 1998-10-13
    • US858318
    • 1997-05-19
    • Christine J. Landry-ColtrainBradley K. ColtrainMichael J. CorriganDavid B. Bailey
    • Christine J. Landry-ColtrainBradley K. ColtrainMichael J. CorriganDavid B. Bailey
    • G03C1/00G03C1/74G03C1/76G03C5/14G03C1/89G03C1/85B05D5/12
    • G03C5/14G03C1/7614G03C1/74Y10S430/136Y10S430/162
    • The present invention is a method of producing an imaging support which includes providing a support, simultaneously coating on a side of the support; a transparent magnetic recording layer including magnetic particles, a polymeric binder and an organic solvent, and a lubricating overcoat layer farthest from the support, the lubricating overcoat layer including a lubricant selected form the general formulas I, II or III: wherein general formula I comprises: ##STR1## wherein X is selected from the group consisting of esters, amides, ethers, or methylene, a is from 10 to 500, and b is from 4 to 3000, and the general formula I has a molecular weight at least 800; wherein general formula II comprises: ##STR2## wherein Y is selected from the group consisting of, --C-- and --N--, Z is selected from the group consisting of esters, amides, and a carbon-carbon bond, R is selected from the group consisting of methyl, and hydrogen or may be absent if Y equals nitrogen, c is from 1 to 2, d is from 4 to 3000, e is from 10 to 30, and the general formula II has a molecular weight of from 800 to 500,000, preferably from 3000 to 100,000; wherein general formula III comprises: ##STR3## wherein R' is selected from the group consisting of methyl, phenyl, substituted aliphatic groups, unsubstituted aliphatic groups, substituted aromatic groups, and unsubstituted aromatic groups; wherein f is from 4 to 3000, and g is from 10 to 30, and the general formula III has a molecular weight of from about 800 to 500,000 and preferably are between 3000 and 100,000, and an organic solvent. The present invention also includes a photographic element produced by the method.
    • 本发明是一种制造成像支撑体的方法,其包括提供支撑件,同时在支撑体的一侧上涂覆; 包括磁性颗粒,聚合物粘合剂和有机溶剂的透明磁记录层以及离支撑体最远的润滑覆盖层,润滑外涂层包含选自通式I,II或III的润滑剂:其中通式I包括 :其中X选自酯,酰胺,醚或亚甲基,a为10〜500,b为4〜3000,通式I的分子量为800以上; 其中通式II包含:其中Y选自-C-和-N-,Z选自酯,酰胺和碳 - 碳键,R选自 由甲基和氢组成的组,如果Y等于氮,则可以不存在,c为1〜2,d为4〜3000,e为10〜30,通式II的分子量为800 至50万,优选3000至100,000; 其中通式III包括:其中R'选自甲基,苯基,取代的脂族基团,未取代的脂族基团,取代的芳族基团和未取代的芳族基团; 其中f为4至3000,g为10至30,通式III的分子量为约800至500,000,优选为3000至100,000,有机溶剂为。 本发明还包括通过该方法制造的照相元件。
    • 4. 发明授权
    • Simultaneous coatings of stearamide lubricant layer
    • 同时涂覆硬脂酰胺润滑剂层
    • US6025015A
    • 2000-02-15
    • US999913
    • 1997-12-29
    • Christine J. Landry-ColtrainBradley K. ColtrainMichael J. Corrigan
    • Christine J. Landry-ColtrainBradley K. ColtrainMichael J. Corrigan
    • G03C1/00G03C1/04G03C1/76G03C1/85G03C5/14G11B5/633G11B5/725B05D5/12
    • G11B5/633G03C1/7614G03C5/14G11B5/725G03C1/04G03C1/85G03C1/853
    • The present invention is a photographic element which includes a support, and at least one light-sensitive silver halide layer on a front side of the support. The photographic element has on the backside of the support an antistatic layer; a transparent magnetic recording layer; and a lubricating overcoat layer. The lubricating overcoat layer is farthest from the support and includes a lubricant of the general formula:R--CONH.sub.2where R is a long chain hydrocarbon between 12 and 30 carbons, preferably between 16 and 22.The present invention also provides a method of producing an imaging support which includes, providing a support, and simultaneously coating on the support; a transparent magnetic recording layer including magnetic particles, a polymeric binder and an organic solvent, and a lubricating overcoat layer, the lubricating overcoat layer comprising a lubricant of the general formula:R--CONH.sub.2where R is a long chain hydrocarbon between 12 and 30 carbons, preferably between 16 and 22, and an organic solvent, and drying the magnetic recording layer and the lubricating overcoat layer.
    • 本发明是一种照相元件,其包括支撑体和至少一个在支撑体正面上的感光卤化银层。 照相元件在支撑体的背面具有抗静电层; 透明磁记录层; 和润滑外涂层。 润滑外涂层与载体最远,并且包括通式为R-CONH 2的润滑剂,其中R是12-30碳原子之间的长链烃,优选16-22。本发明还提供一种制备 成像支撑件,其包括提供支撑件并同时涂覆在支撑件上; 包括磁性颗粒,聚合物粘合剂和有机溶剂的透明磁记录层和润滑外涂层,润滑外涂层包含通式为R-CONH 2的润滑剂,其中R是12-30个碳原子的长链烃 优选16-22之间,和有机溶剂,并干燥磁记录层和润滑外涂层。