公开(公告)号：US5562974A

公开(公告)日：1996-10-08

申请号：US87159

申请日：1993-07-07

申请人： Yoshihiro Kuroyama ,  Yoshiyuki Inoue ,  Susumu Ishikawa ,  Yoshifumi Iimori

发明人： Yoshihiro Kuroyama ,  Yoshiyuki Inoue ,  Susumu Ishikawa ,  Yoshifumi Iimori

IPC分类号： G03G7/00 ,  D21H17/62 ,  D21H17/64 ,  D21H19/00 ,  D21H21/16 ,  B32B3/00

CPC分类号： D21H21/16 ,  Y10T428/24934 ,  Y10T428/31848 ,  Y10T428/31993 ,  Y10T428/31996

摘要： A permanent paper is disclosed which employs as a stock pulp slurry containing at least one kind of filler and aluminum sulfate, a hydrophobic modified rosin emulsion sizing agent and a water-soluble alkaline salt, wherein the pH where said filler is dispersed in water to form 10% of a dispersion is 4-8, the pH of said pulp slurry is controlled within 6.5-7.5 and an alkaline salt of an acid having a pKa of 5-14 at a 25.degree. C. aqueous solution is coated onto said paper and the pH of the coated paper extract in cold water is 7.5-9.0.

摘要翻译： 公开了一种永久性纸张，其使用含有至少一种填料和硫酸铝的浆料浆料，疏水性改性松香乳液上浆剂和水溶性碱性盐，其中所述填料分散在水中以形成 10％的分散体为4-8，所述纸浆的pH控制在6.5-7.5内，在25℃水溶液中将pKa为5-14的酸的碱性盐涂覆在所述纸上， 涂布纸提取物在冷水中的pH为7.5-9.0。

公开(公告)号：US06410123B1

公开(公告)日：2002-06-25

申请号：US09472729

申请日：1999-12-27

申请人： Teiichi Otani ,  Atsushi Ono ,  Yoshifumi Iimori ,  Akinobu Chatani ,  Noboru Kondo ,  Takashi Ueno ,  Yoshihiro Kuroyama

发明人： Teiichi Otani ,  Atsushi Ono ,  Yoshifumi Iimori ,  Akinobu Chatani ,  Noboru Kondo ,  Takashi Ueno ,  Yoshihiro Kuroyama

IPC分类号： B41M500

CPC分类号： B41M5/5218 ,  B41M5/506 ,  B41M2205/38 ,  C08L2205/03 ,  C09D129/04 ,  Y10T428/24901 ,  Y10T428/259 ,  Y10T428/277 ,  C08K3/36 ,  C08L23/0853 ,  C08L25/10

摘要： An ink jet recording paper, which is excellent in ink absorbency and color-developing properties and has dull-tone glossiness, comprising an ink-receiving layer and at least two colloidal silica layers applied successively onto a support, each of said colloidal silica layers comprising chain colloidal silica as a main ingredient, wherein at least the colloidal silica layer contacting the ink-receiving layer contains no binder and has a coverage of about 1 to 3 g/m2, and the coverage of other colloidal silica layer is about 1 to 6 g/m2.

摘要翻译： 一种喷墨记录纸，其油墨吸收性和显色性优异且具有暗色光泽度，包括油墨接收层和连续施加到载体上的至少两种胶体二氧化硅层，每个胶体二氧化硅层包含 链胶体二氧化硅为主要成分，其中与油墨接收层接触的至少胶体二氧化硅层不含粘合剂，其覆盖率为约1〜3g / m 2，其他胶体二氧化硅层的覆盖率为约1〜6 g / m2。

公开(公告)号：US5522968A

公开(公告)日：1996-06-04

申请号：US899988

申请日：1992-06-17

申请人： Yoshihiro Kuroyama ,  Yumiko Satoh ,  Yoshifumi Iimori

发明人： Yoshihiro Kuroyama ,  Yumiko Satoh ,  Yoshifumi Iimori

IPC分类号： B41M5/00 ,  B41M5/50 ,  B41M5/52 ,  D21H27/00 ,  D21H3/66 ,  D21H1/22

CPC分类号： B41M5/5218 ,  B41M5/508 ,  Y10T428/31993 ,  Y10T428/31996

摘要： Fine paper type ink jet recording paper which has a pH 6.0-8.0 in cold water extraction to provide printed letters of high quality, is produced by using a basal paper comprising wood cellulose and a filler which has a pH 4.0-8.0 as a 10 wt % dispersion and by applying an alkali metal salt at a coverage rate of 0.01-5.0 g/m.sup.2 to at least one surface of said basal paper.

摘要翻译： 通过使用包含木质纤维素和填料的基础纸制备具有pH6.0-8.0的冷水提取以提供高质量的印刷字母的精细纸型喷墨记录纸，所述基础纸具有pH 4.0-8.0作为10重量％ 并且通过以0.01-5.0g / m 2的覆盖率施加碱金属盐至所述基础纸的至少一个表面。

公开(公告)号：US5397619A

公开(公告)日：1995-03-14

申请号：US102939

申请日：1993-08-06

申请人： Yoshihiro Kuroyama ,  Teruhisa Shimada ,  Hirokazu Hirata ,  Yoshifumi Iimori

发明人： Yoshihiro Kuroyama ,  Teruhisa Shimada ,  Hirokazu Hirata ,  Yoshifumi Iimori

IPC分类号： B41M5/00 ,  B41M5/50 ,  B41M5/52 ,  D21H19/36 ,  D21H25/00

CPC分类号： B41M5/5218 ,  B41M5/5236 ,  B41M5/5254 ,  Y10T428/24901 ,  Y10T428/24934 ,  Y10T428/258 ,  Y10T428/259 ,  Y10T428/277 ,  Y10T428/31 ,  Y10T428/31768 ,  Y10T428/31931 ,  Y10T428/31935

摘要： An ink jet recording paper characterized in that it comprises a base paper wherein at least one surface has a recording layer, this recording layer containing at least 40 weight % of a pigment and no more than 60 weight % of a binder, the surface roughness by ten point height on the recording layer surface being no more than 5 .mu.m, and the air permeability of the recording paper being no more than 1,000 seconds and a manufacturing process thereof are disclosed.

摘要翻译： 一种喷墨记录纸，其特征在于，它包括一种原纸，其中至少一个表面具有记录层，该记录层含有至少40重量％的颜料和不超过60重量％的粘合剂，表面粗糙度由 记录层表面上的十点高度不大于5μm，记录纸的透气度不超过1,000秒及其制造方法。

公开(公告)号：US5281467A

公开(公告)日：1994-01-25

申请号：US935329

申请日：1992-08-26

申请人： Teruhisa Shimada ,  Hirokazu Hirata ,  Yoshifumi Iimori

发明人： Teruhisa Shimada ,  Hirokazu Hirata ,  Yoshifumi Iimori

IPC分类号： B41M5/00 ,  B41M5/50 ,  B41M5/52 ,  D21H19/38 ,  D21H27/00 ,  B32B9/00

CPC分类号： B41M5/5218 ,  B41M5/52 ,  B41M5/5236 ,  B41M5/5254 ,  Y10S428/913 ,  Y10T428/24893 ,  Y10T428/259 ,  Y10T428/2982

摘要： An ink jet recording paper having a support provided on at least one surface with a pigment-containing coating in accordance with a cast coating method, with said pigment comprising at least 50 weight percent of a calcium carbonate-compounded silica, whereby achieving excellent ink absorption, smoothness, gloss and water resistance together with an excellent dot density, sharpness and roundness to ensure recording of high quality, high contrast full color images.

摘要翻译： 一种喷墨记录纸，其具有根据流延涂覆方法在至少一个表面上提供含颜料的涂层的支持体，所述颜料包含至少50重量％的碳酸钙复合二氧化硅，由此获得优异的吸墨性 ，平滑度，光泽度和耐水性以及优异的点密度，清晰度和圆度，以确保高品质，高对比度全彩色图像的记录。