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    • 3. 发明专利
    • Polyvinyl alcohol film
    • POLYVINYL ALCOHOL FILM
    • JP2008208291A
    • 2008-09-11
    • JP2007048610
    • 2007-02-28
    • Kuraray Co Ltd株式会社クラレ
    • ENDOU RIYOUKEISANO NOBUYUKIHARA TETSUYAWATABE SHUNICHIRO
    • C08J5/18C08K3/30C08L29/04
    • PROBLEM TO BE SOLVED: To provide a PVA film having both high near-infrared shielding properties and high visible light transmissibility and being very useful in various uses including heat-ray-shielding materials such as tents, pavillions, building materials, and window materials, optical materials such as infrared-cutting filters, recording materials, heat-storage materials, and near-infrared detection sensors, and to provide a method for producing the same.
      SOLUTION: The film comprises a polyvinyl alcohol polymer and copper sulfide microparticles, the copper sulfide microparticles of an average particle diameter of 50 nm or smaller being finely dispersed in the polymer, and satisfies the following requirements (1) and (2): (1) the average transmittance in the visible region of wavelength of 400-760 nm is 50% or higher, and (2) the average transmittance in the near-infrared region of a wavelength of 800-1,200 nm is 60% or less.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供具有高近红外屏蔽性和高可见光透射率的PVA膜,并且在各种用途中非常有用,包括诸如帐篷,亭子,建筑材料的热射线屏蔽材料和 窗口材料,诸如红外线切割过滤器,记录材料,储热材料和近红外检测传感器的光学材料,并提供其制造方法。 解决方案:该膜包含聚乙烯醇聚合物和硫化铜微粒,平均粒径为50nm或更小的硫化铜微粒细分散在聚合物中,并满足以下要求(1)和(2) (1)波长400-760nm的可视区域的平均透射率为50%以上,(2)800〜1200nm波长的近红外区域的平均透射率为60%以下 。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Polyvinyl alcohol-based fiber and method for producing the same
    • 聚乙烯醇基纤维及其制造方法
    • JP2007231484A
    • 2007-09-13
    • JP2006057184
    • 2006-03-03
    • Kuraray Co Ltd株式会社クラレ
    • OMAE YOSHINOBUENDOU RIYOUKEIWATABE SHUNICHIROKAMATA HIDEKI
    • D01F6/14
    • PROBLEM TO BE SOLVED: To provide a PVA (polyvinyl alcohol)-based fiber having practically sufficient mechanical characteristics, readily dispersing various function imparting materials in the interior of the fiber by post-processing and carrying out firm processing/adhesion to the fiber surface by fine pleat shapes thereof, to provide a method for producing the fiber, to provide the PVA-based fiber extremely useful for imparting functions such as flame retardance, antimicrobial, mildew proofing, deodorizing and electroconduction according to the kind of materials thereforand to provide a method for producing the fiber.
      SOLUTION: The PVA-based fiber has a plurality of pleats at an interval of 10 nm-2 μm in the fiber longitudinal direction. The ratio of the pleat depth to the pleat interval is (5:1) to (1:20).
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供具有足够机械特性的PVA(聚乙烯醇)基纤维,通过后处理容易地将各种赋予功能的材料分散在纤维的内部,并且对其进行坚固的加工/粘合 纤维表面,提供纤维的制造方法,提供对根据其种类的材料赋予阻燃性,抗菌性,防霉性,除臭和电导等功能的PVA系纤维极为有用, 提供一种生产纤维的方法。 PVA系纤维在纤维长度方向上具有10nm〜2μm间隔的多个褶。 褶皱深度与褶皱间隔的比例为(5:1)至(1:20)。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Polyvinyl alcohol-based fiber having both of electroconductivity and flame retardancy
    • 具有双电极性和阻燃性的聚乙烯醇基纤维
    • JP2007231481A
    • 2007-09-13
    • JP2006057181
    • 2006-03-03
    • Kuraray Co Ltd株式会社クラレ
    • ENDOU RIYOUKEIHARA TETSUYAKOMIYA RYOTAWATABE SHUNICHIROOMAE YOSHINOBU
    • D06M11/53D01F6/48D01F6/50D06M101/24
    • PROBLEM TO BE SOLVED: To provide polyvinyl alcohol (PVA)-based fiber having all of practically sufficient mechanical properties, excellent flame retardancy and electroconductive performance, applicable to fabrics such as paper, a nonwoven fabric, a woven fabric and a knit fabric and much useful for several uses such as a charging material, a discharging material, a brush, a sensor, an electromagnetic wave shielding material and an electronic material, and to provide a method for producing the fiber.
      SOLUTION: The PVA-based fiber comprises a PVA-based polymer, a halogen-containing vinyl polymer, a phyllosilicate, and copper sulfate microparticles having an average particle diameter of ≤500 nm, wherein average interlayer distance of the phyllosilicate in fiber is ≥20 angstrom.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有实际上足够的机械性能,优异的阻燃性和导电性能的聚乙烯醇(PVA)基纤维,适用于诸如纸,无纺布,机织织物和针织物的织物 织物,并且对于诸如充电材料,放电材料,刷子,传感器,电磁波屏蔽材料和电子材料的几种用途是非常有用的,并且提供了用于制造纤维的方法。 解决方案:PVA类纤维包含平均粒径≤500nm的PVA系聚合物,含卤乙烯基聚合物,页硅酸盐和硫酸铜微粒,其中页硅酸盐在纤维中的平均层间距离 ≥20埃。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Electromagnetic wave shielding material
    • 电磁波屏蔽材料
    • JP2007221018A
    • 2007-08-30
    • JP2006041860
    • 2006-02-20
    • Kuraray Co Ltd株式会社クラレ
    • ENDOU RIYOUKEIHARA TETSUYAWATABE SHUNICHIROOMAE YOSHINOBUKAMATA HIDEKI
    • H05K9/00
    • PROBLEM TO BE SOLVED: To provide an electromagnetic wave shielding material which has a practically sufficient electromagnetic wave shielding performance and durability, and is very useful for many uses necessary for a characteristic of flexibility.
      SOLUTION: The electromagnetic wave shielding material is composed of conductive polyvinyl alcohol fibers, as main fibers, made of polymer of polyvinyl alcohol and particles of copper sulfide of a mean diameter of particle of 500 nm or less, and including the particle of copper sulfide on a surface layer and/or the inside of the fibers. The fiber shields electrical field component of electromagnetic wave of 100 MHz by 20 dB or more.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有实际上足够的电磁波屏蔽性能和耐久性的电磁波屏蔽材料,并且对于柔性特性所需的许多用途是非常有用的。 解决方案:电磁波屏蔽材料由导电聚乙烯醇纤维构成,主要纤维由聚乙烯醇的聚合物和平均粒径为500nm以下的硫化铜颗粒制成,并且包括 表面层上的硫化铜和/或纤维的内部。 光纤将100 MHz的电磁波的电场分量屏蔽20分贝以上。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Static electricity eliminating release paper
    • 静电消除纸张
    • JP2009123414A
    • 2009-06-04
    • JP2007293981
    • 2007-11-13
    • Kuraray Co Ltd株式会社クラレ
    • OMAE YOSHINOBUWATABE SHUNICHIROKAMATA HIDEKI
    • H05F1/00D21H15/12D21H27/00
    • PROBLEM TO BE SOLVED: To provide a static electricity eliminating release paper in which static electricity formed between a roofing base material and the release paper especially in asphalt roofing material application can be removed surely, in which there are no problems of collection and disposal, and which is strong against rupture and breakage due to burrs and unevenness at a construction place.
      SOLUTION: This is the static electricity eliminating release paper in which an organic conductive long fiber of which the volume resistivity is 1×10
      -4 to 1×10
      4 Ωcm, and the fineness is 5 to 15,000 dtex is arranged in the outermost surface layer with a spacing of 5 to 100 mm in the length direction is arranged. This is the static electricity eliminating release paper in which the organic conductive long fiber is contained for 5 to 95 wt.% to the release paper of which the basis weight is 20 to 400 g/m
      2 , and the thickness is 40 μm to 2 mm.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种除静电除尘纸,其中屋顶基材和脱模纸之间形成的静电特别是沥青屋顶材料应用中的静电可以被可靠地去除,其中没有收集和 处置,对施工场所的毛刺和不平坦度造成的破裂破裂强度较高。 解决方案:这是静电消除剥离纸,其中体积电阻率为1×10 -4 至1×10 4 的有机导电长纤维 Ωcm,细长度为5〜15000dtex,排列在最外表面层,长度方向间隔为5〜100mm。 这是静电消除剥离纸,其中含有5至95重量%的有机导电长纤维与基重为20至400g / m 2的剥离纸相比,以及 厚度为40μm〜2mm。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Microwave absorber
    • 微波吸收器
    • JP2008277363A
    • 2008-11-13
    • JP2007116332
    • 2007-04-26
    • Kuraray Co Ltd株式会社クラレ
    • KOMIYA RYOTAKAWAKAMI KAZUHIROENDOU RIYOUKEIWATABE SHUNICHIRO
    • H05K9/00B32B15/14
    • PROBLEM TO BE SOLVED: To provide a microwave absorber enabling microwave absorption in a high-frequency band, particularly in microwaves and millimeter wave bands, which is required in the case of the use of a radio LAN in an office building, an ETC, an ITS, an RF-ID or the like and effectively usable as an electromagnetic-wave countermeasure member.
      SOLUTION: The microwave absorber is composed of the laminate of paper or a nonwoven fabric using conductive fibers as main fibers and a metallic reflecting plate. The volume specific resistance value of the conductive fibers is 1×10
      3 to 1×10
      -2 Ωcm, and the ratio (d/λ) of the wavelength (λ) to the thickness (d) of an electromagnetic wave to be absorbed is 0.15 or smaller.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够在办公楼中使用无线电LAN的情况下需要的高频带,特别是微波和毫米波段中的微波吸收的微波吸收体, ETC,ITS,RF-ID等,并且可有效地用作电磁波对抗部件。 解决方案:微波吸收器由纸或使用导电纤维作为主纤维的非织造织物和金属反射板组成。 导电纤维的体积比电阻值为1×10 3×1×10 -2 Ωcm,波长(λ)的比(d /λ) 要被吸收的电磁波的厚度(d)为0.15以下。 版权所有(C)2009,JPO&INPIT