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    • 7. 发明专利
    • DOCTOR ROD FOR ADJUSTING VOLUME OF COATING MATERIAL
    • JPH03178366A
    • 1991-08-02
    • JP30280390
    • 1990-11-09
    • JAGENBERG AG
    • RAINHARUTO KUNOOPUURURITSUHI HEEKE
    • B05C11/02D21H23/00D21H23/52D21H23/58
    • PURPOSE: To hold a low coating weight without damaging a roll surface by forming a doctor rod in such a manner the surfaces of projecting parts are flat and exist on one cylindrical envelope, that the sum of the surface areas of the projecting parts occupy the specific ratio of the envelope and that the molded sectional depth of the entire surface has a specific value. CONSTITUTION: The peripheral surface of the doctor rod is provided with the plural projecting parts 2 and recessed parts for the purpose of volumetric flow control of a coating material to be applied particularly on a paper web or cardboard web surface during traveling. The rod is so formed that the surfaces of the projecting parts 2 are flat and exist on the one cylindrical envelope, that the sum of the surface areas of the projecting parts 2 is 10 to 50% of the cylindrical envelope and that the molded sectional depth Pt (2.5 mm) of the entire surface by DIN 4771 has the value of 30 to 150 μm. Consequently, the low coating weight may be obtain. without line traces without the occurrence of the damage on the roll surface at the time of applying the coating material on the roll surface.
    • 10. 发明专利
    • Coated paper and method for producing the same
    • 涂布纸及其制造方法
    • JP2012077423A
    • 2012-04-19
    • JP2010225289
    • 2010-10-05
    • Marusumi Paper Co Ltd丸住製紙株式会社
    • MITSUISHI YUYA
    • D21H19/82D21H23/34D21H23/52
    • PROBLEM TO BE SOLVED: To provide a coated paper that has a low smoothness but is high in print glossiness, free from unevenness on a coated surface and excellent in printability.SOLUTION: The coated paper is provided with an undercoat coated layer and a topcoat coated layer which contain a pigment and a binder on a base paper. The base paper contains 5 mass% or more of calcium carbonate, the undercoat coated layer contains 75 pts.mass or more of ground calcium carbonate as the pigment based on 100 pts.mass of pigments, and the topcoat coated layer contains 25-75 pts.mass of kaolin as the pigment based on 100 pts.mass of pigments. The coated paper has a density of 1.0-1.3 g/cmand a basis weight of 65 g/mor less. It is preferable that the coating weight of the undercoat coated layer is 2-8 g/mper one surface, the coating amount of the topcoat coated layer is 3-10 g/mper one surface, the brightness is 80% or more, the opacity is 85% or more, the white paper glossiness is 25-50%, and a Bekk smoothness is 200-800 sec.
    • 要解决的问题:提供一种具有低平滑度但是印刷光泽度高的涂布纸,没有涂布表面上的不均匀性和优异的可印刷性。

      解决方案:涂布纸设置有底涂层和在基纸上含有颜料和粘合剂的顶涂层。 原纸含有5质量%以上的碳酸钙,底涂层含有75质量%以上的研磨碳酸钙作为颜料,基于100重量份的颜料,面漆涂层含有25-75个 基于100盎司颜料的高岭土的大豆作为颜料。 涂布纸的密度为1.0-1.3g / cm 3,单位面积重量为65g / m 2 / SP SP =“POST”> 2 。 优选的是,底涂层的涂层重量为每个表面为2-8g / m 2 / SP SP =面包涂层的涂布量为3-10g / m 2 ,亮度为80%以上,不透明度为85%以上,白纸光泽度为25-50%,Bekk平滑度为200 -800秒 版权所有(C)2012,JPO&INPIT