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1. 发明专利

JP2005281900A Polyvinyl alcohol-based fiber 审中-公开
标题翻译：聚乙烯醇基纤维
公开(公告)号：JP2005281900A
公开(公告)日：2005-10-13
申请号：JP2004097851
申请日：2004-03-30
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO TOMOYUKI , OMORI AKIO
IPC分类号： D01F6/50 , D01F11/06
摘要： PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol-based fiber having both of the practically sufficient mechanical properties and the water resistance and extremely useful for many applications including ropes, tents, civil engineering sheets and spun yarns or reinforcing materials for cement, rubbers and plastics and to provide a method for producing the polyvinyl alcohol-based fiber.
SOLUTION: The polyvinyl alcohol-based fiber contains ≥10C aliphatic or alicyclic dicarboxylic acid or its derivative uniformly up to the interior of the fiber and has ≥0.1 mass% and ≤10 mass% content of the ≥10C aliphatic or alicyclic dicarboxylic acid or its derivative.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有实际上足够的机械性能和耐水性两者的聚乙烯醇基纤维，并且对于许多应用非常有用，包括绳索，帐篷，土木工程板和短纤纱或用于水泥的增强材料橡胶和塑料，并提供聚乙烯醇系纤维的制造方法。解决方案：聚乙烯醇系纤维在纤维内部含有≥10C的脂肪族或脂环族二羧酸或其衍生物，其≥10C脂肪族或脂环族二羧酸的含量≥0.1质量％≤10质量％酸或其衍生物。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005194666A Water-soluble polyvinyl alcohol-based fiber 审中-公开
标题翻译：水溶性聚乙烯醇基纤维
公开(公告)号：JP2005194666A
公开(公告)日：2005-07-21
申请号：JP2004002680
申请日：2004-01-08
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO TOMOYUKI , OMORI AKIO , FUJIWARA NAOKI
IPC分类号： D01F6/14
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble PVA-based fiber having fiber performances such as practically sufficient mechanical properties and chemical resistance without impairing a conventional water-soluble property and extremely useful for nonwoven fabrics including a base fabric for chemical lace and many applications including spun yarn and to provide a method for producing the fiber.
SOLUTION: In the water-soluble PVA-based fiber, a compound having an ionic group is reacted in a ratio of 0.01-5 mol% and the relationship between a degree (Xc/%) of crystallization of the fiber and a water-fusing temperature (Wtb/°C) of the fiber satisfies the formula: Wtb
摘要翻译：要解决的问题：提供具有纤维性能如实际上足够的机械性能和耐化学性的水溶性PVA类纤维，而不损害常规的水溶性，并且非常适用于包括用于化学品的基底织物花边和许多应用，包括纺纱，并提供生产纤维的方法。解决方案：在水溶性PVA类纤维中，具有离子性基团的化合物以0.01-5摩尔％的比例与纤维的结晶度（Xc /％）和纤维的水熔温度（Wtb /℃）满足下式：Wtb <2.50×Xc-70，其中30％≤Xc≤80％。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2007295987A Hemocatharsis membrane and method of manufacturing the same 有权
标题翻译：化学膜及其制造方法
公开(公告)号：JP2007295987A
公开(公告)日：2007-11-15
申请号：JP2006124283
申请日：2006-04-27
申请人： Kuraray Co Ltd , Kuraray Medical Inc , クラレメディカル株式会社 , 株式会社クラレ
发明人： IWASAKI TAKUMA , OMORI AKIO , SATO MASAHIRO , AKAMATSU SHIGEMI , KAMATA YOHEI , MIYATSU SATOKI , ISHII TAKAHIRO
IPC分类号： A61M1/16 , B01D39/04 , B01D63/02 , B01D69/08 , B01D69/12 , B01D71/68
摘要： PROBLEM TO BE SOLVED: To provide a hemocatharsis membrane excellent both in substance removing performance and blood compatibility, and a method of manufacturing the same.
SOLUTION: A porous membrane is used in the hemocatharsis membrane, and a layer composed of grains made of water-insoluble hydrophilic high molecules is formed in the hemocatharsis membrane. The method of manufacturing the hemocatharsis membrane, in which the porous membrane is used and which has the layer composed of the grains made of water-insoluble hydrophilic high molecules on the surface of a side of the porous membrane in contact with the blood, comprises: a process (A) of forming and coagulating the porous membrane by contacting a membrane manufacturing stock solution including high molecules with a primary coagulation solution including water-insoluble hydrophilic high molecules, and attaching the grains made of water-insoluble hydrophilic high molecules to the surface of the porous membrane; and a process (B) of further coagulating the porous membrane and coagulating the grains by contacting a secondary coagulation solution substantially made of water with the porous membrane.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供物质除去性能和血液相容性优异的血液渗透膜及其制造方法。解决方案：在血液透析膜中使用多孔膜，在血液透析膜中形成由不溶于水的亲水性高分子构成的颗粒层。制造血液透析膜的方法，其中使用多孔膜并且在与血液接触的多孔膜一侧的表面上由水不溶性亲水性高分子构成的颗粒组成的层包括：通过使包含高分子的膜制造原料溶液与包含不溶于水的亲水性高分子的初级凝固溶液接触并将由不溶于水的亲水性高分子构成的颗粒附着在表面上来形成和凝结多孔膜的方法（A）的多孔膜; 和进一步凝结多孔膜并使基本上由水构成的二次凝结液与多孔膜接触来使颗粒凝结的工序（B）。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2006002337A Polyvinyl alcohol-based conjugated fiber 有权
标题翻译：聚乙烯醇基聚合纤维
公开(公告)号：JP2006002337A
公开(公告)日：2006-01-05
申请号：JP2005193846
申请日：2005-07-01
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： OMORI AKIO , TANAKA KAZUHIKO , KOGA NOBUHIRO , KAWAMOTO MASAO , TSUJIMOTO TAKUYA , FUJIWARA NAOKI
IPC分类号： D01F8/10 , D03D15/00 , D06M11/00 , D06M11/05 , D06M101/20
摘要： PROBLEM TO BE SOLVED: To provide a fiber of high productivity, which fiber is soluble in water at room temperature but, even when contacting with water at ≥normal temperature, does not dissolve in water soon after contacting therewith and can pass through steps till the predetermined step, and to provide a hollow fiber, a porous and/or irregular surface fiber structure or conjugated molded products by contacting the aforesaid fiber with water to dissolve and remove at least a part of the water-soluble component.
SOLUTION: The conjugated fiber is obtained by treating with water a fiber structure or a polymer molded product which contains the conjugated fiber comprising a core of the polyvinyl alcohol-based polymer having ≤200°C melting point and 60-90 mol% degree of saponification and soluble in water at normal temperature and a sheath of another thermoplastic polymer having ≤230°C melting point, so as to dissolve at least a part of thermoplastic polyvinyl alcohol-based polymer of the conjugated fiber.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供高生产率的纤维，该纤维在室温下可溶于水，但即使在与正常温度下的水接触时，也不会在与其接触之后立即溶解在水中，并且可以通过通过使上述纤维与水接触来溶解和除去至少一部分水溶性成分，从而提供中空纤维，多孔和/或不规则表面纤维结构体或共轭成型体。解决方案：复合纤维通过用水处理纤维结构或含有共轭纤维的聚合物模制产品，所述共轭纤维包含熔点≤200℃的聚乙烯醇类聚合物的芯和60-90摩尔％常温下溶解度可溶于水，另外具有熔点低于230℃的热塑性聚合物的护套，以溶解至少一部分共轭纤维的热塑性聚乙烯醇系聚合物。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006063459A Water soluble nonwoven fabric 审中-公开
标题翻译：水溶性非织造布
公开(公告)号：JP2006063459A
公开(公告)日：2006-03-09
申请号：JP2004244595
申请日：2004-08-25
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO TOMOYUKI , OMORI AKIO
IPC分类号： A61F13/15 , A61F13/49 , A61F13/551 , D01F6/14 , D04H1/4309
摘要： PROBLEM TO BE SOLVED: To provide a water soluble nonwoven fabric equipped with performances such as practically sufficient mechanical characteristics, chemical resistance, etc., jointly without damaging conventional water solubility and extremely useful for various uses to begin with a substrate of chemical lace.
SOLUTION: This nonwoven fabric constituted with a polyvinyl alcohol-based water soluble fiber is characterized with that the relationship of the crystallinity Xcw (%) of the non-woven fabric and dissolving temperature in water SP (°C) satisfies formula (I) : SP
摘要翻译：要解决的问题：提供一种具有实际上足够的机械特性，耐化学性等性能的水溶性无纺织物，而不损害常规的水溶性，并且对于各种用途开始使用化学品基质非常有用花边。解决方案：由聚乙烯醇系水溶性纤维构成的无纺布的特征在于，无纺布的结晶度Xcw（％）与水中的溶解温度SP（℃）的关系满足公式（ I）：SP <2.50Xcw-50。假设30％≤Xcw≤65％。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005264419A Conductive polyvinyl alcohol fiber 审中-公开
标题翻译：导电聚乙烯纤维
公开(公告)号：JP2005264419A
公开(公告)日：2005-09-29
申请号：JP2005038936
申请日：2005-02-16
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO TOMOYUKI , OMORI AKIO
IPC分类号： D01F6/50 , D03D15/00
摘要： PROBLEM TO BE SOLVED: To provide a conductive PVA fiber having practically sufficient mechanical strength, heat-resistance and electrical conductivity, giving a cloth such as paper, nonwoven fabric, woven fabric and knit cloth and extremely useful for various uses such as charging material, discharging material, brush, sensor, electromagnetic wave shield and electronic material and provide a method for producing the fiber.
SOLUTION: The conductive polyvinyl alcohol fiber contains not less than a specific amount of copper sulfide nano-particles having an average particle diameter of ≤50 nm in the fiber and has a fiber orientation degree not smaller than a specific level.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有实际上足够的机械强度，耐热性和导电性的导电PVA纤维，得到诸如纸，无纺布，机织织物和针织布的布，并且对于各种用途如充电材料，放电材料，刷子，传感器，电磁波屏蔽和电子材料，并提供一种生产纤维的方法。导电性聚乙烯醇纤维在纤维中含有平均粒径≤50nm的硫化铜纳米粒子的比例不低于特定水平的纤维取向度。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2003003319A Spinneret 审中-公开
标题翻译： SPINNERET
公开(公告)号：JP2003003319A
公开(公告)日：2003-01-08
申请号：JP2001189213
申请日：2001-06-22
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： OMORI AKIO , TAKIGUCHI TOMOYA , IWABE HIROKI
IPC分类号： D01D4/02
摘要： PROBLEM TO BE SOLVED: To provide a spinneret capable of stably performing dry-wet spinning, dry spinning and melt spinning with multiple holes.
SOLUTION: The spinneret is a protrusion-type spinneret. The area of the tip end 6 of the protrusion is ≤0.2 mm
2 , the height S of the protrusion is ≥1.0 mm and the inner angle θ formed between the side 3 (A) starting from the nozzle tip and the side 4 (B) adjacent to the side A satisfies the formula 100°
摘要翻译：要解决的问题：提供能够稳定地进行干湿纺丝，干纺丝和多孔熔融纺丝的喷丝头。解决方案：喷丝头是突起型喷丝头。突起的前端6的面积为<= 0.2mm 2，突起的高度S> 1.0mm，从喷嘴头开始的侧面3（A）和与侧面A相邻的侧面4（B）满足公式100度<θ<180度

8. 发明专利

JP2006002304A Polyvinyl alcohol-based fiber 审中-公开
标题翻译：聚乙烯醇基纤维
公开(公告)号：JP2006002304A
公开(公告)日：2006-01-05
申请号：JP2004181949
申请日：2004-06-21
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO TOMOYUKI , OMORI AKIO
IPC分类号： D01F6/50
摘要： PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol having all of practically sufficient mechanical characteristics, water resistance and endurance and extremely useful for ropes, tents, civil engineering sheets and spun yarns and many applications including reinforcing materials for cement, rubbers and plastics and to provide a method for producing the polyvinyl alcohol-based fiber.
SOLUTION: The polyvinyl alcohol-based fiber is composed of (A) a polyvinyl alcohol-based fiber having ≥1,200 degree of polymerization and ≥99 mol% degree of saponification and (B) a polyamide-based polymer obtained by polymerizing ≥10C aliphatic or alicyclic dicarboxylic acid component with ≥10C aliphatic or alicyclic diamine component and the ratio of the component B occupied in the fiber is 0.1-10 mass% and the component B is uniformly contained in the interior of the fiber.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有实际上足够的机械特性，耐水性和耐久性的聚乙烯醇，并且对于绳索，帐篷，土木工程板和短纤纱非常有用，并且包括用于水泥，橡胶和并提供一种聚乙烯醇系纤维的制造方法。聚乙烯醇系纤维由（A）聚乙烯醇系纤维聚合度≥1900，皂化度≥99mol％构成，（B）通过聚合得到的聚酰胺类聚合物≥ 具有≥10C脂肪族或脂环族二胺成分的10元脂肪族或脂环族二羧酸成分，纤维中占有的成分B的比例为0.1〜10质量％，成分B均匀地包含在纤维的内部。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005146474A Polyvinyl alcohol bicomponent fiber and method for producing the same 审中-公开
标题翻译：聚乙烯醇双酚A纤维及其制造方法
公开(公告)号：JP2005146474A
公开(公告)日：2005-06-09
申请号：JP2003387737
申请日：2003-11-18
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , OMORI AKIO
IPC分类号： D01F6/50
摘要： PROBLEM TO BE SOLVED: To provide a PVA-based bicomponent fiber having extremely excellent mechanical properties and dyeing property and a method for the production of the fiber. SOLUTION: The polyvinyl alcohol bicomponent fiber is composed of (A) a polyvinyl alcohol component having a polymerization degree of ≥1,200 and a saponification degree of ≥99 mol% and (B) a polyamide component having a melting point of 140-250°C and a solubility of 5-80 mass% at 120°C in at least one kind of organic solvent selected from dimethyl sulfoxide, dimethylacetamide, dimethylformamide, N-methylpyrrolidone, glycerol and ethylene glycol. The ratio of the component B in the fiber is 5-50 mass%. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有极好的机械性能和染色性能的PVA类双组分纤维和纤维的生产方法。聚乙烯醇双组分纤维由（A）聚合度≥1,200的聚乙烯醇组分和皂化度≥99mol％组成，（B）熔点为140℃的聚酰胺组分， 250℃，在120℃下在至少一种选自二甲基亚砜，二甲基乙酰胺，二甲基甲酰胺，N-甲基吡咯烷酮，甘油和乙二醇的有机溶剂中的溶解度为5-80质量％。纤维中组分B的比例为5-50质量％。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005009029A Polyvinyl alcohol-based fiber 审中-公开
标题翻译：聚乙烯醇基纤维
公开(公告)号：JP2005009029A
公开(公告)日：2005-01-13
申请号：JP2003174766
申请日：2003-06-19
申请人： Kuraray Co Ltd , 株式会社クラレ
发明人： ENDOU RIYOUKEI , HARA TETSUYA , SANO NOBUYUKI , OMORI AKIO
IPC分类号： D01F6/50
摘要： PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol (PVA)-based fiber excellent in mechanical properties such as strength and modulus in a wide temperature area ranging from room temperature to high temperature, heat resistance, resistance to moist heat and dimensional stability.
SOLUTION: The PVA-based fiber is composed of a PVA-based polymer and a phyllosilicate finely dispersed in the polymer and has ≥20Å average interlayer distance of the phyllosilicate measured by a wide angle x-ray diffraction and has ≥40% crystallinity and ≥60% degree of orientation.
COPYRIGHT: (C)2005,JPO&NCIPI

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