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公开(公告)号：US09034435B2
公开(公告)日：2015-05-19
申请号：US14008086
申请日：2012-03-22
申请人： Kazuhiko Ishizuka , Osamu Kozuka , Ryo Sotooka , Susumu Kato
发明人： Kazuhiko Ishizuka , Osamu Kozuka , Ryo Sotooka , Susumu Kato
摘要： The present invention aims to provide techniques for preparing matte coated printing papers having high opacity and brightness as well as improved brightness variation at low basis weight with good runnability.According to the present invention, a process for preparing a matte coated printing paper having a basis weight of 60 to 90 g/m2, a brightness of 75% or more, and an opacity of 95% or more is provided, comprising applying a coating solution containing calcium carbonate by curtain coating on a base paper having a brightness of 45 to 70% made from a raw material pulp containing a total of 50% or more of deinked pulp and/or mechanical pulp.
摘要翻译： 本发明旨在提供一种制备具有高不透明度和亮度的无光泽涂布印刷纸以及在低基重下具有良好运行性的改进的亮度变化的技术。 根据本发明，提供了制备基重为60〜90g / m 2，亮度为75％以上，不透明度为95％以上的无光泽涂布印刷纸的方法，其包括涂布 含有碳酸钙的溶液通过幕帘涂布在由含有总共脱墨纸浆和/或机械纸浆的50％以上的原料纸浆制成的亮度为45〜70％的原纸上。
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公开(公告)号：US20140023844A1
公开(公告)日：2014-01-23
申请号：US14008086
申请日：2012-03-22
申请人： Kazuhiko Ishizuka , Osamu Kozuka , Ryo Sotooka , Susumu Kato
发明人： Kazuhiko Ishizuka , Osamu Kozuka , Ryo Sotooka , Susumu Kato
IPC分类号： D21H19/66
摘要： The present invention aims to provide techniques for preparing matte coated printing papers having high opacity and brightness as well as improved brightness variation at low basis weight with good runnability.According to the present invention, a process for preparing a matte coated printing paper having a basis weight of 60 to 90 g/m2, a brightness of 75% or more, and an opacity of 95% or more is provided, comprising applying a coating solution containing calcium carbonate by curtain coating on a base paper having a brightness of 45 to 70% made from a raw material pulp containing a total of 50% or more of deinked pulp and/or mechanical pulp.
摘要翻译： 本发明旨在提供一种制备具有高不透明度和亮度的无光泽涂布印刷纸以及在低基重下具有良好运行性的改进的亮度变化的技术。 根据本发明，提供了制备基重为60〜90g / m 2，亮度为75％以上，不透明度为95％以上的无光泽涂布印刷纸的方法，其包括涂布 含有碳酸钙的溶液通过幕帘涂布在由含有总共脱墨纸浆和/或机械纸浆的50％以上的原料纸浆制成的亮度为45〜70％的原纸上。
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