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    • 61. 发明专利
    • Method for producing newsprint paper for offset printing
    • 生产用于偏移打印的新文件的方法
    • JP2006328564A
    • 2006-12-07
    • JP2005150580
    • 2005-05-24
    • Oji Paper Co Ltd王子製紙株式会社
    • OBA MASAAKIKURODA SHUNEISHIMASE HIROSHISOMA HARUKO
    • D21H27/00D21H11/14
    • PROBLEM TO BE SOLVED: To provide a method for producing newsprint paper for offset printing preventing increase of voids accompanied by increase of the amount of recycled pulp in the formulation without necessitating grand remodeling of the system in a high speed paper making machine with paper making speed of 1,400 m/min or more.
      SOLUTION: The method for producing newsprint paper for offset printing comprises production of the newsprint paper with the paper making speed of ≥1,400 m/min by using the raw pulp containing recycled pulp, wherein a thermally sprayed ceramic roll with 1,000-2,000 mm of diameter and surface roughness Ra of 1.0-2.0 μm is used as the roll with which the wet paper comes into direct contact in the final press of a press part of the paper machine.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于胶版印刷的新闻纸的生产方法,防止随着制剂中再循环纸浆量的增加而增加空隙,而不需要在高速造纸机中重新整理系统, 造纸速度为1400米/分钟以上。

      解决方案:用于胶版印刷的新闻纸的生产方法包括通过使用含有回收纸浆的原纸来生产造纸速度≥1,400m/ min的新闻纸,其中具有1,000-2,000的热喷涂陶瓷辊 使用直径为1mm的表面粗糙度Ra为1.0-2.0μm的表面粗糙度Ra作为在造纸机的压榨部的最后压榨中湿纸直接接触的辊。 版权所有(C)2007,JPO&INPIT

    • 63. 发明专利
    • Fluorescent light-free paperboard
    • 荧光灯无光纸板
    • JP2006188788A
    • 2006-07-20
    • JP2005001330
    • 2005-01-06
    • Daio Paper Corp大王製紙株式会社
    • HARADA MASAMITAKADA HIDEAKI
    • D21H27/10D21H11/14D21H27/00
    • PROBLEM TO BE SOLVED: To provide fluorescent light-free paperboard which comprises two or more layers consisting mainly of waste paper raw material and on whose surface a fluorescent light reaction is inhibited.
      SOLUTION: This paperboard comprising two or more layers consisting mainly of waste paper raw material is characterized by adding a fluorescent light-eliminating agent to the surface layer or to the surface layer and the undersurface layer. The total addition amount of the surface layer and the undersurface layer is controlled to 20 to 100 g/m
      2 to prevent the appearance of a fluorescent light intensity originating from the back side layer of the paperboard. The fluorescent light reaction on the surface of the paperboard is eliminated by the addition of a small amount of the fluorescent light-eliminating agent. A coating layer comprising the fluorescent light-eliminating agent and a resin material is formed on the surface of the paperboard. Thus, the fluorescent light false reactions of paper-making chemicals can be controlled, and the elusion of fluorescent light substances can surely be prevented.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供包含两个或更多个主要由废纸原料组成并且其表面上荧光反应被抑制的无荧光纸板。 解决方案:该纸板包括主要由废纸原料组成的两层或更多层,其特征在于向表面层或表面层和下表面层添加荧光消光剂。 将表面层和下表面层的总添加量控制在20〜100g / m 2,以防止来自纸板背面层的荧光强度的出现。 通过添加少量的荧光消除剂来消除纸板表面上的荧光反应。 在纸板的表面上形成包含荧光消除剂和树脂材料的涂层。 因此,可以控制造纸化学品的荧光灯错误反应,并且可以确实地防止造成荧光的物质的消失。 版权所有(C)2006,JPO&NCIPI
    • 64. 发明专利
    • Album stock paper
    • 报纸
    • JP2006183170A
    • 2006-07-13
    • JP2004376664
    • 2004-12-27
    • Daio Paper Corp大王製紙株式会社
    • YAMANAKA KAZUMAMIZOBUCHI HIROSHIKUYAMA KENYA
    • D21H27/00D21H11/14D21H21/28
    • PROBLEM TO BE SOLVED: To provide an album stock paper capable of obtaining an album base paper having less difference in color tone between its surface and cut surface, and having a high grade feeling.
      SOLUTION: This album stock paper consisting of ≥2 paper layers having a surface layer becoming an album-pasting layer or forming both of the surface and reverse surface, and reverse and middle layers other than the above layer, wherein, the surface layer contains waste paper pulp, and the reverse and middle layer are formed by using the waste paper pulp as a main raw material, is provided by coloring at least one layer of the reverse and middle layers by a same series of color with that of the surface layer.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够获得其表面和切割面之间的色调差异较小并且具有高等级感觉的专辑原纸的专辑股票纸。

      解决方案:由具有表面层变成专辑粘贴层或形成表面和反面两者的≥2个纸层以及除了上述层之外的反向和中间层组成的该专辑原稿,其中,表面 层包含废纸浆,并且通过使用废纸浆作为主要原料形成反向和中间层,通过与相同系列的颜色的至少一层的反向和中间层着色而提供 表层。 版权所有(C)2006,JPO&NCIPI

    • 65. 发明专利
    • Recycled paper
    • 再生纸
    • JP2006104622A
    • 2006-04-20
    • JP2004294504
    • 2004-10-07
    • Miyoshi Oil & Fat Co Ltdミヨシ油脂株式会社
    • NIUE SHIYUUICHIIZUMI SHINJISUGIYAMA KATSUYUKI
    • D21H19/10D21H11/14
    • PROBLEM TO BE SOLVED: To obtain recycled paper that solves problems of reduction in paper strength and paper dust emission of recycled paper using regenerated pulp and is repeatedly used in spite of having excellent properties such as water absorption resistance, etc. SOLUTION: The recycled paper has an alkali decomposable biodegradable resin layer on the surface of recycled paper containing regenerated pulp. The recycled paper has preferably ≥10 wt.% regenerated pulp content in the whole pulp and preferably 5-100 g/m 2 basis weight of a biodegradable resin layer composed of an alkali decomposable biodegradable resin. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了获得使用再生纸浆来解决再生纸的纸张强度和纸粉排放的问题的再生纸,并且尽管具有优异的性能如耐吸水性等而重复使用。

      解决方案:再生纸在含再生纸浆的再生纸表面上具有可分解的可生物降解树脂层。 再生纸在整个纸浆中优选具有≥10重量%的再生纸浆含量,优选的是由碱可分解的可生物降解树脂构成的可生物降解的树脂层的基准重量为5-100g / m 2。 版权所有(C)2006,JPO&NCIPI

    • 67. 发明专利
    • Woodfree paper
    • WOODFREE PAPER
    • JP2005336678A
    • 2005-12-08
    • JP2004160844
    • 2004-05-31
    • Daio Paper Corp大王製紙株式会社
    • YAMAMOTO MITSUAKIKOBAYASHI DAISUKE
    • D21D1/20D21H11/08D21H11/14
    • PROBLEM TO BE SOLVED: To provide woodfree paper suppressing occurrence of dusting and edge dust which are problems caused when waste paper pulp is blended while maintaining brightness, paper strength and bulk though the waste paper pulp composed of waste paper is blended as a raw material.
      SOLUTION: The woodfree paper is obtained by using raw material pulp prepared from a pulp fiber suspension containing the waste paper pulp produced by carrying out a deinking treatment of the waste paper and mechanical pulp subjected to a bleaching treatment and then conducting a beating treatment of the pulp fiber suspension. The woodfree paper is characterized as follows. At least one surface of the woodfree paper is coated with a surface sizing agent consisting essentially of starch so as to provide 0.5-3 g/m
      2 coating weight and a Kajaani average fiber length of the disintegrated pulp obtained by disintegrating the completed woodfree paper is 0.70-1.00 mm. The content of the mechanical pulp in the dissociated pulp exhibits 1 to 45 mass% based on the mass of the whole pulp. Furthermore, the ratio of the Clark stiffness in the cross direction to the Clark stiffness in the machine direction (Clark stiffness in the cross direction/Clark stiffness in the machine direction) is 1.5-2.5 when the completed woodfree paper is allowed to stand under the environment at 25°C temperature and 55% humidity for 30 min.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供无纸纸,抑制在废纸浆被混合时引起的问题,同时保持亮度,纸张强度和体积,同时由废纸构成的废纸浆混合作为粉尘和边缘灰尘 原材料。 解决方案:通过使用由含有废纸纸浆的纸浆纤维悬浮液制备的原料纸浆获得无纸纸,废纸纸浆通过对经过漂白处理的废纸和机械纸浆进行脱墨处理,然后进行打浆 处理纸浆纤维悬浮液。 无木纸的特征如下。 无木纸的至少一个表面涂覆有基本上由淀粉组成的表面施胶剂,以提供0.5-3g / m 2 SP涂层重量和获得的崩解纸浆的Kajaani平均纤维长度 通过分解完成的无木纸为0.70-1.00毫米。 离解纸浆中的机械纸浆的含量相对于整个纸浆的质量为1〜45质量%。 此外,当将完成的无木纸放在下方时,横向上的克拉克刚度与机器方向上的克拉克刚度(横向方向上的克拉克刚度/机器方向上的克拉克刚度)的比率为1.5-2.5 环境温度为25℃,湿度为55%,持续30分钟。 版权所有(C)2006,JPO&NCIPI
    • 68. 发明专利
    • Base paper for impregnation
    • 基础纸打印
    • JP2005281876A
    • 2005-10-13
    • JP2004094336
    • 2004-03-29
    • Daio Paper Corp大王製紙株式会社
    • MIZUSAWA YOSHIKI
    • D21H17/67D21H11/14D21H27/00
    • PROBLEM TO BE SOLVED: To obtain base paper for impregnation having excellent impregnation suitability and impregnation processing suitability even if pulp mixed with a large amount of wastepaper pulp is used as a substrate of base paper for impregnation.
      SOLUTION: In the base paper for impregnation comprising a base material composed of a multilayer structure having at least two layers of a surface layer and a back layer, the raw material pulp of the surface layer comprises wastepaper pulp so that ash content based on JIS P8128 is 10-20% and the average particle diameter of the ash is 5-50μm.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 待解决的问题:即使使用与大量废纸浆混合的纸浆作为浸渍用原纸的基材,也可获得具有优异的浸渍适应性和浸渍处理适用性的浸渍用原纸。 解决方案:在用于浸渍的原纸中,包括由具有至少两层表面层和背层的多层结构构成的基材,表层的原料纸浆包括废纸浆,使得灰分含量 JIS P8128为10〜20%,灰分的平均粒径为5〜50μm。 版权所有(C)2006,JPO&NCIPI