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1. 发明授权

US5132146A Method of aqueous ink printing on an ink absorbing layer being coated on a substrate 失效
标题翻译：在基材上涂覆吸油层的水性油墨印刷方法
公开(公告)号：US5132146A
公开(公告)日：1992-07-21
申请号：US608615
申请日：1990-11-05
申请人： Hitoshi Maruyama , Isao Ono , Sadahiko Shiraga , Junnosuke Yamauchi
发明人： Hitoshi Maruyama , Isao Ono , Sadahiko Shiraga , Junnosuke Yamauchi
IPC分类号： B41M5/52 , D21H19/52 , D21H19/60
CPC分类号： D21H19/60 , B41M5/5227 , D21H19/52
摘要： The present invention relates to a method of aqueous printing on a recording medium for ink, the recording medium having an excellent ink absorbing property and a markedly excellent waterproof property, the method characterized in that the recording medium comprises a substrate containing a composition which comprises polyvinyl alcohol, chitosan and an aldehyde compound.

2. 发明授权

US5885720A Paper coating agent 失效
标题翻译：纸张涂布剂
公开(公告)号：US5885720A
公开(公告)日：1999-03-23
申请号：US974978
申请日：1997-11-20
申请人： Naoki Fujiwara , Sadahiko Shiraga , Kazuhiko Ootake , Toshiaki Sato
发明人： Naoki Fujiwara , Sadahiko Shiraga , Kazuhiko Ootake , Toshiaki Sato
IPC分类号： D21H19/12 , B32B23/08
CPC分类号： D21H19/12 , Y10T428/31895
摘要： Disclosed herein is a paper coating agent which comprises a modified polyvinyl alcohol (A) containing 3 to 15 mol % of ethylene units and an alkali metal ion (B), with the ratio of component (A) to component (B) being 100:0.003 to 100:1 in parts by weight. Disclosed also herein is a heat-sensitive recording material which comprises a coating layer on a substrate, said coating layer comprising a modified polyvinyl alcohol containing 3 to 15 mol % of ethylene units.The paper coating agent of the present invention has such excellent solubility in boiling water that there is not a problem of insoluble matter in an aqueous solution of the coating agent. When applied for a paper surface coating agent, it gives coated paper without discoloration, superior, in surface strength, air barrier properties, and printability. When applied for a paper pigmented coating agent, it gives coated paper without discoloration, superior in water resistance and printability.The heat-sensitive recording material of the present invention is superior in color developing sensitivity, water resistance, oil resistance, plasticizer resistance, and PVC film resistance. Furthermore it is superior in high-speed printability and image resolution, and it can be used in the field, such as facsimile, where high-speed printing is required.
摘要翻译：本文公开了一种纸涂层剂，其包含含有3至15mol％的乙烯单元和碱金属离子（B）的改性聚乙烯醇（A），组分（A）与组分（B）的比例为100： 0.003〜100:1重量份。本文还公开了一种热敏记录材料，其包括在基材上的涂层，所述涂层包含含有3至15mol％乙烯单元的改性聚乙烯醇。本发明的纸张涂布剂在沸水中的溶解性优异，在涂布剂的水溶液中不存在不溶物质的问题。当涂布纸表面涂层剂时，它可以使涂布纸无变色，表面强度，空气阻隔性和可印刷性优异。当涂布纸颜料涂布剂时，其涂布纸不变色，耐水性和印刷性优异。本发明的热敏记录材料的显色灵敏度，耐水性，耐油性，耐增塑剂性和耐PVC膜性优异。此外，它在高速可打印性和图像分辨率方面是优越的，并且可以在诸如需要高速打印的传真机等领域中使用。

3. 发明授权

US06346570B1 Water resistant composition, coating agent, and recording material 有权
标题翻译：防水组合物，涂布剂和记录材料
公开(公告)号：US06346570B1
公开(公告)日：2002-02-12
申请号：US09642910
申请日：2000-08-22
申请人： Somemiya Kazuyuki , Sadahiko Shiraga , Naoki Fujuwara , Atsushi Jikihara , Toshiyuki Akasawa
发明人： Somemiya Kazuyuki , Sadahiko Shiraga , Naoki Fujuwara , Atsushi Jikihara , Toshiyuki Akasawa
IPC分类号： C08J310
CPC分类号： B41M5/42 , B41M5/3372 , B41M5/3375 , B41M5/426 , B41M5/44 , B41M5/443 , B41M5/508 , B41M5/52 , B41M5/5218 , B41M5/5254 , B41M5/529 , C08K5/0091 , Y10S430/11 , Y10T428/31714 , C08L29/04
摘要： Provided are a water resistant composition comprising a uniform mixture of (A) at least one of modified polyvinyl alcohol containing either from 1 to 20 mol % of &agr;-olefin units with not more than 4 carbon atoms, from 0.01 to 1 mol % of silyl groups, or from 1 to 20 mol % of &agr;-olefin units with not more than 4 carbon atoms and from 0.01 to 1 mol % of silyl groups and (B) an organotitanium compound having a chelating ligand, in a blend ratio of component (A) to the component (B) between 99.99/0.01 and 60/40 by weight; a coating agent comprising the composition; a thermal recording material having a coat layer of the composition; and an ink-jet recording material having an ink-absorbing layer of the composition.
摘要翻译：提供了一种防水组合物，其包含（A）至少一种含有1至20摩尔％的具有不超过4个碳原子的α-烯烃单元的改性聚乙烯醇，0.01至1摩尔％的甲硅烷基或1〜20摩尔％的不超过4个碳原子的α-烯烃单元和0.01〜1摩尔％的甲硅烷基，（B）具有螯合配体的有机钛化合物，以组分（ A）组分（B）的重量比为99.99 / 0.01至60/40; 包含该组合物的包衣剂; 具有该组合物的涂层的热敏记录材料; 以及具有该组合物的吸墨层的喷墨记录材料。

4. 发明授权

US06364987B1 Method for producing gas barrier film 有权
标题翻译：阻气膜的制造方法
公开(公告)号：US06364987B1
公开(公告)日：2002-04-02
申请号：US09517004
申请日：2000-02-28
申请人： Shigeki Takada , Sadahiko Shiraga
发明人： Shigeki Takada , Sadahiko Shiraga
IPC分类号： B29C4706
CPC分类号： B29C55/026 , B29C47/00 , B29C47/0021 , B29K2029/04
摘要： Provided is a method for producing gas barrier film, in which the coating film produced has excellent, oxygen gas barrier properties and is influenced little by moisture. The method comprises extruding a polyvinyl alcohol which contains not more than 19 mol % of &agr;-olefin units with not more than 4 carbon atoms, onto a substrate film, then stretching it at least 3-fold and subjecting it to heat treatment at a temperature not lower than 120° C.
摘要翻译：提供一种阻气膜的制造方法，其中所制备的涂膜具有优异的氧气阻隔性，并且几乎不受水分的影响。该方法包括将含有不多于19摩尔％的不超过4个碳原子的α-烯烃单元的聚乙烯醇挤出到基材膜上，然后将其拉伸至少3倍，并在温度下进行热处理不低于120℃

5. 发明授权

US06303199B1 Coating agent for film, laminate and method for producing it 有权
标题翻译：薄膜，层压板及其制造方法的涂布剂
公开(公告)号：US06303199B1
公开(公告)日：2001-10-16
申请号：US09324914
申请日：1999-06-03
申请人： Shigeki Takada , Sadahiko Shiraga
发明人： Shigeki Takada , Sadahiko Shiraga
IPC分类号： B25D2200
CPC分类号： C08J7/047 , C08J2429/00 , C08K5/0025 , C08K2201/008 , C09D129/04 , Y10T428/1324 , Y10T428/1338 , Y10T428/1341 , Y10T428/1383 , Y10T428/2826 , Y10T428/31725 , Y10T428/31743 , Y10T428/31746 , Y10T428/3192 , C08L29/04 , C08L2666/28
摘要： A water-soluble polyvinyl alcohol coating agent for a film contains from 3 to 19 mol % of &agr;-olefin units, wherein each said &agr;-olefin unit contains up to 4 carbon atoms. The polyvinyl alcohol coating agent can be coated on a polyolefin, a polyester or a polyamide substrate film to form a laminate film. A method for producing the laminate film comprises applying an aqueous solution of the coating agent to the substrate film, followed by drying the coating.
摘要翻译：用于膜的水溶性聚乙烯醇包衣剂含有3至19摩尔％的α-烯烃单元，其中每个所述α-烯烃单元含有至多4个碳原子。可以将聚乙烯醇涂布剂涂布在聚烯烃，聚酯或聚酰胺基材膜上以形成层压膜。制造层压膜的方法包括将涂布剂的水溶液涂布到基材膜上，然后干燥涂层。

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