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    • 13. 发明授权
    • Record sheet for use in electro-coagulation method
    • 记录片用于电凝法
    • US06231720B1
    • 2001-05-15
    • US09223250
    • 1998-12-30
    • Toyohisa MouriMasaya ShibataniYutaka HattoriShunji HayashiToshio Takagi
    • Toyohisa MouriMasaya ShibataniYutaka HattoriShunji HayashiToshio Takagi
    • D21H1936
    • B41M5/5218B41C1/105B41M5/508Y10T428/273Y10T428/277Y10T428/31993
    • A record sheet for use in an electro-coagulation printing method, which comprises a base sheet and a layer provided thereon composed of at least one filler selected from the group consisting of alumina sol, boemite, pseudo boemite, synthetic amorphous silica, silica sol and colloidal silica and a binder, wherein said record sheet satisfies the following properties; (i) a wet time of the record sheet obtained from a liquid absorption curve of pure water measured by a dynamic scanning absorptometer being not more than 15 milliseconds, (ii) an absorption coefficient of the record sheet obtained from a liquid absorption curve of pure water measured by a dynamic scanning absorptometer being at least 10 ml/m2s−½, and (iii) a contact ratio of the record sheet with the coagulated colloids measured by a specular reflection smoothness tester under a pressure of 40 kg/cm2 with a ray having a wavelength of 0.5 &mgr;m being at least 40% and further, (iv) a Beck smoothness of the coating layer surface measured in accordance with JIS P 8119 being 250 seconds or more.
    • 一种用于电凝式印刷方法的记录片,其包括基片和设置在其上的层,所述层由至少一种填充剂组成,所述填料选自氧化铝溶胶,波希米特,伪波希米特,合成无定形二氧化硅,硅溶胶和 胶体二氧化硅和粘合剂,其中所述记录片材满足以下特性;(i)由动态扫描吸收计测量的纯水的液体吸收曲线获得的记录片材的湿时间不超过15毫秒,(ii) 通过动态扫描吸收计测定的从纯水的液体吸收曲线获得的记录片的吸收系数为至少10ml / m 2·s 1/2,和(iii)记录片与凝固胶体的接触比由 镜面反射平滑度测试仪在40 kg / cm2的压力下,波长为0.5μm的光线至少为40%,此外,(iv)涂层表面的贝氏平滑度 按照JIS P 8119规定的时间为250秒以上。