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11. 发明专利

JP2004018776A Film for hydraulic transfer 有权
公开(公告)号：JP2004018776A
公开(公告)日：2004-01-22
申请号：JP2002178673
申请日：2002-06-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ISOZAKI TAKANORI , FUJIWARA NAOKI , SANETO TORU , KAWAI TSUTOMU
IPC分类号： B44C1/175 , B32B27/30 , C08J5/18 , C08L29/04
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic transfer film that is suitable for forming a printed layer mainly on the surface of a formed article having an uneven three dimensional surface or a curved surface, has a good affinity with the printed layer in particular, allows the formation of a good and uniform printed layer and runs smoothly through the process. SOLUTION: One of the hydraulic transfer films is a film comprising a polyvinyl alcohol having a saponification degree of 80-90mol% and a polymerization degree of 500-3,000 in which a fine particle of a resin having a solubility parameter of 7-11 is dispersed. The other is a film comprising a polyvinyl alcohol having a saponification degree of 80-90 mol% and a polymerization degree of 500-3,000 at least one side of which film is provided a layer containing a fine particle consisting of a resin having a solubility parameter of 7-11. COPYRIGHT: (C)2004,JPO

12. 发明专利

JPH11271530A Polarizing film 失效
标题翻译：极化膜
公开(公告)号：JPH11271530A
公开(公告)日：1999-10-08
申请号：JP6966498
申请日：1998-03-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ISOZAKI TAKANORI
IPC分类号： G02B5/30
摘要： PROBLEM TO BE SOLVED: To obtain a polarizing film usable under wide conditions of low to high temp. and low to high humidity, having high polarizing performance and excellent in durability by introducing a polyene structure into an ethylene-vinyl alcohol copolymer having a specified ethylene content.
SOLUTION: A film of an ethylene-vinyl alcohol copolymer having 1-25 mol.% ethylene content is dehycirated to form a polyene structure in the molecule. The polymn. degree of the copolymer is ≥300, preferably ≥500. The ethylene- vinyl alcohol copolymer film is immersed in a methanolic soln. of a proton donating acid such as hydrochloric acid or sulfuric acid or in an aq. soln. of a stannic halide such as stannic chloride or stannic bromide, such a dehydration promoter is incorporated into the film and then the film is stretched to obtain the objective polarizing film.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：为了获得可在低至高温的宽条件下使用的偏光膜。低至高湿度，通过将多烯结构引入具有规定乙烯含量的乙烯 - 乙烯醇共聚物中，具有高的偏振性能和优异的耐久性。解决方案：将具有1-25mol％乙烯含量的乙烯 - 乙烯醇共聚物的膜去旋转以在分子中形成多烯结构。聚合。共聚物的度>≥300，优选> = 500。将乙烯 - 乙烯醇共聚物膜浸入甲醇溶液中。的质子供体酸如盐酸或硫酸或在水溶液中。 SOLN。的卤化锡如氯化锡或溴化锡，将这样的脱水促进剂加入到膜中，然后将膜拉伸以获得物镜偏振膜。

13. 发明专利

JP2013164526A Polyvinyl alcohol film 有权
标题翻译： POLYVINYL ALCOHOL FILM
公开(公告)号：JP2013164526A
公开(公告)日：2013-08-22
申请号：JP2012028069
申请日：2012-02-13
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： TAKATO KATSUHIRO , ISOZAKI TAKANORI
IPC分类号： G02B5/30 , C08J5/18 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a PVA film from which a polarizing film having high polarizing performance can be easily produced and which can be stably stretched to a high magnification and improve a yield of a polarizing film.SOLUTION: A PVA film is provided, which satisfies (1) 1.10≤(swelling degree A)/(swelling degree C)≤1.25, (2) 1.10≤(swelling degree B)/(swelling degree D)≤1.25, and (3) |(swelling degree A)-(swelling degree B)|≤5 under the following conditions. When one end and the other end along any single straight line in a width direction of the film are denoted by X and Y, respectively, and the center in the width direction is denoted by Z, a swelling degree in a range A from X to a distance corresponding to 10% of the width toward Y is denoted by swelling degree A (%); a swelling degree in a range B from Y to a distance corresponding to 10% of the width toward X is denoted by swelling degree B (%); a swelling degree in a range C from Z to a distance corresponding to 30% of the width toward X is denoted by swelling degree C (%); and a swelling degree of a range D from Z to a distance corresponding to 30% of the width toward Y is denoted by swelling degree D (%).
摘要翻译：要解决的问题：提供一种可以容易地制造具有高偏振性能的偏光膜并能够以高放大率稳定地拉伸并提高偏光膜的产率的PVA膜。溶液：提供PVA膜，满足（1）1.10≤（溶胀度A）/（溶胀度C）≤1.25，（2）1.10≤（溶胀度B）/（溶胀度D）≤1.25，（3）|（溶胀度A） - （溶胀度B）|≤5以下条件。沿着膜的宽度方向上的任何单一直线的一端和另一端分别由X和Y表示，并且宽度方向上的中心由Z表示，在从A到X的范围A中的溶胀度对应于Y的宽度的10％的距离由溶胀度A（％）表示; 溶胀度B（％）表示从Y到对应于X的宽度的10％的距离的范围B的膨胀度。溶胀度C（％）表示从Z到Z的宽度对应于宽度X向X的30％的范围的溶胀度。并且从Z到达对应于Y的宽度的30％的距离的范围D的溶胀度由溶胀度D（％）表示。

14. 发明专利

JP2013097232A Production method of polyvinyl alcohol film irradiated with electromagnetic wave 有权
标题翻译：用电磁波辐射的聚乙烯醇薄膜的生产方法
公开(公告)号：JP2013097232A
公开(公告)日：2013-05-20
申请号：JP2011240959
申请日：2011-11-02
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： TAKATO KATSUHIRO , ISOZAKI TAKANORI , MATSUSE TAKEHIRO , AMIYA SHIGETOSHI
IPC分类号： G02B5/30 , C08J5/18 , C08J7/00 , C08K5/053 , C08L29/04
摘要： PROBLEM TO BE SOLVED: To provide a production method of a polyvinyl alcohol film having a low Young's modulus and to provide a polyvinyl alcohol film having a low Young's modulus that can be produced by the production method.SOLUTION: The production method of a polyvinyl alcohol film treated with electromagnetic waves includes a step of irradiating a polyvinyl alcohol film having a moisture content of 15 to 55 mass% with microwaves or radio waves while the film is maintained at a temperature of 75°C or lower. The polyvinyl alcohol film irradiated with electromagnetic waves is produced by the production method. The polyvinyl alcohol film has a content of a polyhydric alcohol plasticizer of 15 pts.mass or less with respect to 100 pts.mass of polyvinyl alcohol, and shows a Young's modulus of 20.0 MPa or less when the moisture content is controlled to 8 to 10 mass%.
摘要翻译：解决问题的方法：提供具有低杨氏模量的聚乙烯醇薄膜的制造方法，提供通过该制造方法可以制造的杨氏模量低的聚乙烯醇薄膜。解决方案：用电磁波处理的聚乙烯醇薄膜的制造方法包括以下步骤：利用微波或无线电波照射水分含量为15〜55质量％的聚乙烯醇膜，同时将膜保持在 75°C以下。通过制造方法制造用电磁波照射的聚乙烯醇薄膜。聚乙烯醇膜相对于100质量份的聚乙烯醇，其含量为15质量份以下的多元醇增塑剂，当水分含量控制在8〜10时，杨氏模量为20.0MPa以下质量％。版权所有（C）2013，JPO＆INPIT

15. 发明专利

JP2012082395A Polyvinyl alcohol film 有权
标题翻译： POLYVINYL ALCOHOL FILM
公开(公告)号：JP2012082395A
公开(公告)日：2012-04-26
申请号：JP2011193771
申请日：2011-09-06
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： OISHI KIMIKO , ISOZAKI TAKANORI
IPC分类号： C08L29/04 , C08J5/18 , C08L1/02 , G02B5/30
摘要： PROBLEM TO BE SOLVED: To provide a PVA film having high water swellability, as well as excellent in form-retaining ability when immersed in water, while excellent in dimensional stability when set afloat on the surface of water; and to provide a method for producing the same.SOLUTION: The PVA film includes 0.1-55 pts.mass of cellulose fibers obtained by miniaturizing natural cellulose based on 100 pts.mass of PVA resin, wherein the number-average fiber diameter of the cellulose fiber is 2-150 nm. The method for producing the PVA film comprises: a step of preparing a film-forming dope obtained by mixing the PVA resin and cellulose fibers obtained by miniaturizing natural cellulose, the number-average fiber diameter of which is 2-150 nm, at a rate of 0.1-55 pts.mass of the cellulose fiber based on 100 pts.mass of the PVA resin; and a step of film-forming by casting using the film-forming dope.
摘要翻译：要解决的问题：提供具有高水膨胀性的PVA膜，以及当浸入水中时形状保持能力优异，同时在水面上漂浮时的尺寸稳定性优异; 并提供其制造方法。解决方案：PVA膜包含0.1-55质量份的纤维素纤维，其纤维素纤维通过使天然纤维素小型化而得到，其中纤维素纤维的数均纤维直径为2-150nm。 PVA膜的制造方法包括以下步骤：制备通过将PVA树脂与数均纤维直径为2-150nm的天然纤维素的小型化而得到的纤维素纤维混合而得到的成膜剂基于100个聚苯乙烯树脂的纤维素纤维为0.1-55磅/ 以及使用成膜原液通过铸造成膜的步骤。版权所有（C）2012，JPO＆INPIT

16. 发明专利

JP2012082313A Method for producing polyvinyl alcohol-based polymeric film 有权
标题翻译：用于生产聚乙烯醇基聚合物膜的方法
公开(公告)号：JP2012082313A
公开(公告)日：2012-04-26
申请号：JP2010229479
申请日：2010-10-12
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ISOZAKI TAKANORI , TAKATO KATSUHIRO
IPC分类号： C08J5/18 , C08L29/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a PVA-based polymeric film, excellent in the film's releasability off film-forming equipment such as metallic rolls and belts in making a film formation of the objective film, and enabling high-quality optical film of low haze to be obtained as liquid droplets occurrence in the objective film obtained can be suppressed, and to provide the PVA-based polymeric film which can be produced by the above method.SOLUTION: The method for producing a PVA-based polymeric film includes the step of making a casting film formation using film-forming dope containing a PVA-based polymer; wherein, the plasticizer content of the dope is 6 pts.mass or less based on 100 pts.mass of the PVA-based polymer, and the dope also contains an ammonium alkylbenzene sulfonate. The PVA-based polymeric film is such that: the plasticizer content is 6 pts.mass or less based on 100 pts.mass of the PVA-based polymer, and the ammonium alkylbenzene sulfonate is included therein.
摘要翻译：待解决的问题：提供一种制备PVA基聚合物膜的方法，在制备目标膜的成膜方面，膜的脱膜性优异的成膜设备如金属辊和带，具有优异的性能可以抑制在获得的目标膜中产生的液滴获得的低雾度的质量光学膜，并提供可以通过上述方法制备的PVA系聚合物膜。解决方案：制备PVA类聚合物膜的方法包括使用含有PVA类聚合物的成膜原液制备流延薄膜的步骤; 其中，所述涂料的增塑剂含量基于100重量份的所述PVA基聚合物为6质量份或更少，并且所述涂料还含有烷基苯磺酸铵。基于PVA的聚合物膜是这样的：增塑剂含量是基于100质量份PVA类聚合物的6质量份或更少，并且其中包括烷基苯磺酸铵。版权所有（C）2012，JPO＆INPIT

17. 发明专利

JP2012058759A Method for producing polarizing film 有权
标题翻译：生产极化膜的方法
公开(公告)号：JP2012058759A
公开(公告)日：2012-03-22
申请号：JP2011276581
申请日：2011-12-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ISOZAKI TAKANORI , NAKAI TOSHIO
IPC分类号： G02B5/30
摘要： PROBLEM TO BE SOLVED: To provide a polarizing film for a liquid crystal display which has good heat resistance, reduces in change in color and is particularly suitable for outdoor use.SOLUTION: A method for producing a polarizing film includes the steps of: preparing a polyvinyl alcohol film having a b-value (A) of 2 or less at a film thickness of 0.1 mm by using polyvinyl alcohol chips that contain sodium acetate of 50 ppm or less and have a YI value of 8.2 or lower; and subjecting the polyvinyl alcohol film to dyeing, uniaxial stretching and fixing, and then drying.
摘要翻译：解决的问题：提供一种具有良好耐热性，降低颜色变化的液晶显示器偏光膜，特别适用于户外使用。解决方案：一种偏光膜的制造方法包括以下步骤：通过使用含有乙酸钠的聚乙烯醇芯片，制备膜厚为0.1mm的b值（A）为2以下的聚乙烯醇膜 50ppm以下，YI值为8.2以下; 并对聚乙烯醇膜进行染色，单轴拉伸和固定，然后干燥。版权所有（C）2012，JPO＆INPIT

18. 发明专利

JP2010191293A Polyvinyl alcohol film for polarizing film, method for manufacturing the same, and method for manufacturing polarizing film using the same 有权
标题翻译：用于极化膜的聚乙烯膜，其制造方法以及使用其制造极化膜的方法
公开(公告)号：JP2010191293A
公开(公告)日：2010-09-02
申请号：JP2009037064
申请日：2009-02-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： NAKAI TOSHIO , ISOZAKI TAKANORI
IPC分类号： G02B5/30 , B29C55/04 , B29K29/00 , B29L7/00 , B29L11/00 , C08J5/18
摘要： PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol film which can be used for manufacture of a polarizing film having high polarizing performance and a method for manufacturing the same, and to provide a method for manufacturing the polarizing film using the same. SOLUTION: In the polyvinyl alcohol film for the polarizing film, an angle formed by a flowing direction and an optical axis is in the range of 70 to 110° and retardation in the thickness direction of a center part in a width direction is in the range of 15 to 90 nm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供可用于制造具有高偏振性能的偏振膜的聚乙烯醇膜及其制造方法，并提供使用其制造偏光膜的方法。解决方案：在用于偏振膜的聚乙烯醇膜中，由流动方向和光轴形成的角度在70°至110°的范围内，并且在宽度方向上的中心部分的厚度方向上的相位差为在15至90nm的范围内。版权所有（C）2010，JPO＆INPIT

19. 发明专利

JP2010053290A Method for manufacturing polyvinyl alcohol film 有权
标题翻译：制备聚乙烯醇薄膜的方法
公开(公告)号：JP2010053290A
公开(公告)日：2010-03-11
申请号：JP2008221795
申请日：2008-08-29
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： TAKATO KATSUHIRO , ISOZAKI TAKANORI
IPC分类号： C08J5/18
摘要： PROBLEM TO BE SOLVED: To provide a method for inexpensively manufacturing a high quality film composed of PVA and magnesium nitrate. SOLUTION: The method for manufacturing a polyvinyl alcohol film comprises producing a film-forming raw solution by adding and dissolving a polyvinyl alcohol resin into an aqueous solution of magnesium nitrate, forming a film, and drying it at 100-150°C. COPYRIGHT: (C)2010,JPO&INPIT

20. 发明专利

JP2010023519A Manufacturing method of film for hydraulic transfer formed with printing layer 审中-公开
标题翻译：用印刷层形成的液压转印膜的制造方法
公开(公告)号：JP2010023519A
公开(公告)日：2010-02-04
申请号：JP2009247196
申请日：2009-10-28
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ISOZAKI TAKANORI , FUJIWARA NAOKI
IPC分类号： B44C1/175 , B41J2/01 , B41M5/00 , B41M5/50 , B41M5/52
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a film for hydraulic transfer formed with a printing layer, which is well suited for forming the printing layer on the surface of a molded product having a three-dimensional face with irregularities or a curved face, and especially allows formation of the printing layer in a superfine manner by an ink-jet method, wherein the adhesive properties between a matter to be transferred and the printing layer is favorable and a process passage is excellent.
SOLUTION: In the manufacturing method of the film for hydraulic transfer formed with the printing layer, the printing layer is formed onto the film for hydraulic transfer by the inkjet method. The film for hydraulic transfer is composed of a polyvinyl alcohol polymer film, wherein the degree of saponification of the polyvinyl alcohol polymer is 80-99 mol%, and at least one surface of the polyvinyl alcohol polymer film is coated with a polyurethane resin.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种形成有印刷层的用于液压转印的膜的制造方法，其非常适合于在具有不规则性的三维面的模制产品的表面上形成印刷层，或特别是允许通过喷墨方法以超细的方式形成印刷层，其中待转印的物质和印刷层之间的粘合性是有利的，并且处理通道是优异的。解决方案：在用印刷层形成的用于液压转印的膜的制造方法中，通过喷墨方法将印刷层形成在用于液压转印的膜上。用于液压转印的膜由聚乙烯醇聚合物膜组成，其中聚乙烯醇聚合物的皂化度为80-99mol％，并且聚乙烯醇聚合物膜的至少一个表面涂覆有聚氨酯树脂。版权所有（C）2010，JPO＆INPIT

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