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1. 发明专利

JP2011074367A Vinylidene fluoride-based resin porous membrane and method for producing the same 有权
标题翻译：基于氟树脂的树脂多孔膜及其制造方法
公开(公告)号：JP2011074367A
公开(公告)日：2011-04-14
申请号：JP2010193918
申请日：2010-08-31
申请人： Kureha Corp , 株式会社クレハ
发明人： TADA YASUHIRO , TAKAHASHI TAKEO
IPC分类号： C08J9/26 , B01D69/06 , B01D69/08 , B01D71/32 , C02F1/44
CPC分类号： B01D71/34 , B01D67/002 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D69/08 , B01D2323/20 , B01D2325/022 , B01D2325/24 , B29C47/0021 , B29C47/8845 , B29C47/8885 , B29C47/8895 , C02F1/44 , C02F3/1273 , D01D5/08 , D01D5/24 , D01F1/02 , D01F1/10 , D01F6/12 , Y02W10/15
摘要： PROBLEM TO BE SOLVED: To provide a vinylidene fluoride-based resin porous membrane having a good water penetration-sustaining performance and a large water penetration quantity, and to provide a method for producing the same. SOLUTION: The vinylidene fluoride-based resin porous membrane which has a dense layer having small pore diameters on one side and has an asymmetric net-like inclined structure whose pore diameters are continuously expanded from one side to the opposite side is characterized by satisfying the following conditions (a) to (c): (a) the porosity of a 5 μm-thick portion continued from the surface of the thick layer is ≥60%; (b) the surface pore diameters of one side are ≤0.30 μm; (c) Q/P1 4 is ≥5×10 4 (m/day×μm 4 ), wherein Q (m/day) is a value converted from a water penetration quantity into the whole layer porosity A2=80% in conditions of a pressure difference 100 kPa and a water temperature 25°C in a sample length L=200 mm, and P1 4 (μm 4 ) is the fourth power value of the surface pore diameter P1 of one side. The method for producing the vinylidene fluoride-based resin porous membrane comprises melt-knead-extruding a vinylidene fluoride-based resin and a plasticizer having compatibility with the vinylidene fluoride-based resin, preferentially cooling the extruded film from one side, and then extracting the plasticizer. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供具有良好的水渗透性能和大的水渗透量的偏二氟乙烯类树脂多孔膜，并提供其制造方法。解决方案：一侧具有小孔径致密层，孔径从一侧连续膨胀到相反侧的非对称网状倾斜结构的偏二氟乙烯类树脂多孔膜的特征在于满足以下条件（a）至（c）：（a）从厚层表面继续的5μm厚部分的孔隙率≥60％; （b）一面的表面孔径≤0.30μm; （c）Q / P1 4 ≥5×10 4 （m /天×μm 4 ），其中Q（m / 是在样品长度L = 200mm的压力差为100kPa，水温25℃的条件下，从水分渗透量变换为全层孔隙率A2 = 80％的值，P1 4 < SP>（μm 4 ）是一侧的表面孔径P1的第四功率值。偏二氟乙烯类树脂多孔膜的制造方法包括将偏二氟乙烯类树脂和与偏二氟乙烯系树脂相容的增塑剂熔融捏合挤出，优选从一侧冷却挤出膜，然后提取增塑剂。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2009136798A Hollow fiber membrane module 审中-公开
标题翻译：中空纤维膜模块
公开(公告)号：JP2009136798A
公开(公告)日：2009-06-25
申请号：JP2007316816
申请日：2007-12-07
申请人： Kureha Corp , 株式会社クレハ
发明人： MUKUMOTO TAKATOSHI , HINO MASAYUKI , MIZUNO TAKEYA , TADA YASUHIRO
IPC分类号： B01D63/02 , B01D65/08
摘要： PROBLEM TO BE SOLVED: To provide a hollow fiber membrane module with a controlled decrease in filtration area.
SOLUTION: The hollow fiber membrane module 10 to be sunk in a liquid L, has a hollow fiber membrane bundle 11 having a plurality of hollow fiber membranes 11A, a fixation part 13 in which each opened end 11s is fixed so that the opened end 11s of the plurality of hollow fiber membranes 11A maintains a determined distance each other, and a hollow room 13h communicating with a hollow part of the plurality of hollow fiber membranes 11A is formed, a dispersion part 14 in which a gas G is dispersed from the side of the opened end 11s toward the side of a closed end 11f in a part where the hollow fiber membranes 11A in the hollow fiber membrane bundle 11 and also outside hollow fiber membranes 11A are fixed to the fixation part 13, and a rectification plate 15 which guides a flow of surrounding part of the hollow fiber membrane bundle 11 of the flow of the liquid L generated by dispersing the gas G as a rectification directing from the side of opened end 11s to the closed end 11f, wherein each closed end 11f of the plurality of hollow fiber membranes 11A is structured as a free end.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有可控的过滤面积减小的中空纤维膜组件。解决方案：要浸没在液体L中的中空纤维膜组件10具有中空纤维膜束11，该中空纤维膜束11具有多个中空纤维膜11A，固定部分13，每个开口端部11s固定在该固定部分13中，多个中空纤维膜11A的打开端部11s保持彼此确定的距离，并且形成与多个中空纤维膜11A的中空部分连通的中空室13h，其中分散有气体G的分散部分14 在中空纤维膜束11中的中空纤维膜11A和中空纤维膜11A的外侧固定到固定部13的部分中，从开口端11s的侧面向封闭端11f的侧面整流引导中空纤维膜束11的周围部分流动的液体L的流动的流动，其通过将从开口端11s侧引导的气体G分散到封闭端11f，其中多个中空纤维膜11A的每个封闭端11f被构造为自由端。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007283232A Vinylidene fluoride type resin hollow filament porous membrane and its manufacturing method 审中-公开
标题翻译：乙烯基氟化物型树脂中空纤维多孔膜及其制造方法
公开(公告)号：JP2007283232A
公开(公告)日：2007-11-01
申请号：JP2006114616
申请日：2006-04-18
申请人： Kureha Corp , 株式会社クレハ
发明人： TAKAHASHI TAKEO , HINO MASAYUKI , TADA YASUHIRO , MIZUNO TAKEYA , MUKUMOTO TAKATOSHI
IPC分类号： B01D71/34 , B01D67/00 , B01D69/08
CPC分类号： D01F6/12 , B01D63/023 , B01D63/024 , B01D69/087 , B01D71/34 , B01D2323/42 , B01D2325/20 , B01D2325/24 , B01D2325/34 , C02F3/1273 , Y02W10/15
摘要： PROBLEM TO BE SOLVED: To provide a vinylidene fluoride type resin hollow filament porous membrane especially suitable for water filtration treatment by the membrane separation activated sludge process (MBR METHOD) which has an excellent flexing resistance (A) and a great amount of water penetration (B) while the particulate (bacteria) inhibition efficacy by micropore is good. SOLUTION: The vinylidene fluoride type resin hollow filament porous membrane is characterized by comprising a vinylidene fluoride type resin of which the weight average molecular weight is 200,000-600,000 and having following characteristics (A) and (B): (A) the number of times of the flexing fracture measured under the load of 48g by covering the one end of the membrane with an epoxy resin having the hardness of 98 is 100 times or more and (B) the ratio F (L=200 mm, v=70%)/Pm 2 of the conversion value F (L=200 mm, v=70%) (m/day) into the porosity v=70% of the amount of water penetration at the sample length L=200 mm under the conditions of differential pressure of 100 kPa and water temperature of 25°C versus the square value Pm 2 of the average pore size Pm (μm) measured by Half Dry Method is 2,000 (m/day×μm 2 ) or more. The hollow filament porous membrane is manufactured by adjusting the various manufacturing conditions by means of the manufacturing method of the hollow filament porous membrane in which the outer diameter and the wall thickness are increased. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种特别适用于通过膜分离活性污泥法（MBR METHOD）进行水过滤处理的偏二氟乙烯类树脂中空丝多孔膜，其具有优异的抗弯曲性（A）和大量的水渗透（B），而微孔的微粒（细菌）抑制效果好。解决方案：偏二氟乙烯类树脂中空丝多孔膜的特征在于包括重均分子量为200,000-60000的偏二氟乙烯型树脂，具有以下特性（A）和（B）：（A）通过用硬度为98的环氧树脂覆盖膜的一端，在48g负载下测量的弯曲断裂次数为100倍以上，（B）比F（L = 200mm，v = 70％）/ Pm 2 转换值F（L = 200mm，v = 70％）（m /天）到孔隙率v =样品中水渗透量的70％在100Pa的差压和25℃的温度下，通过半干法测定的平均孔径Pm（μm）的平均值Pm 2 的长度L = 200mm是2,000 （m /天×μm 2 ）以上。中空丝多孔膜通过利用其中外径和壁厚增加的中空丝多孔膜的制造方法来调节各种制造条件来制造。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007185593A Hollow fiber module and its manufacturing method 审中-公开
标题翻译：中空纤维模块及其制造方法
公开(公告)号：JP2007185593A
公开(公告)日：2007-07-26
申请号：JP2006005282
申请日：2006-01-12
申请人： Kureha Corp , Sti:Kk , 株式会社エス・ティ・アイ , 株式会社クレハ
发明人： TADA YASUHIRO , HINO MASAYUKI , MUKUMOTO TAKATOSHI , MIZUNO TAKEYA , MIZUTANI TEIZO
IPC分类号： B01D63/02 , B01D63/00
CPC分类号： B01D63/02 , B01D63/021 , B01D63/022 , B01D2313/26 , B01D2315/06 , B01D2321/185 , B01D2323/42 , C02F1/444
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a hollow fiber module which is capable of narrowing the distance of a plurality of hollow fiber sheets and easily forming a potting part of a two-layered structure.
SOLUTION: The manufacturing method of the hollow fiber module comprises of a first step of preparing a plurality of units in which the end part sides of a plurality of hollow fibers are fixed and combined on a plate-like member, a second step of stacking a plurality of units so that the parts of the plate-like member overlap through a first curable resin and one part area of the opposite side to the end part side between the neighboring plate-like members is filled with the first curable resin and a third step of charging a second curable resin of which the hardness after curing is higher than that of the first curable resin to the area of the more end part side than the first curable resin between the neighboring plate-like members and curing the same.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种中空纤维组件的制造方法，该中空纤维组件能够缩小多个中空纤维片的距离，并且容易地形成两层结构的灌封部分。解决方案：中空纤维组件的制造方法包括：制备多个单元的第一步骤，其中多个中空纤维的端部侧面固定并组合在板状构件上，第二步骤堆叠多个单元，使得板状构件的部分通过第一可固化树脂重叠，并且相邻板状构件之间的端部侧的相对侧的一个部分区域被第一可固化树脂填充，并且将固化后的硬度比第一固化性树脂的硬度高的第二固化性树脂与相邻的板状部件之间的第一固化性树脂相比，使其固化的第三工序。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007167839A Hydrophilic hollow fiber membrane and its manufacturing method 审中-公开
标题翻译：水泥中空纤维膜及其制造方法
公开(公告)号：JP2007167839A
公开(公告)日：2007-07-05
申请号：JP2006313971
申请日：2006-11-21
申请人： Kureha Corp , 株式会社クレハ
发明人： SUZUKI KENICHI , MIZUNO TAKEYA , TADA YASUHIRO , EBIHARA KOJI , HINO MASAYUKI , TAKAHASHI TAKEO
IPC分类号： B01D71/34 , B01D69/08 , C08J9/36 , D01F6/12 , D06M11/00 , D06M11/11 , D06M11/38 , D06M11/51
摘要： PROBLEM TO BE SOLVED: To provide a hydrophilic hollow fiber membrane consisting of polyvinylidene fluoride having physical strength and high-level separation performance and a method suitable for manufacturing the hydrophilic hollow fiber membrane.
SOLUTION: The hydrophilic hollow fiber membrane is formed from polyvinylidene fluoride and characterized in that the ratio of C-F bonds to C-H bonds, which exist on the surface of the hydrophilic hollow fiber membrane and are measured by XPS (X-ray photoelectron spectroscopy), is 0.6-0.9, the ratio of the O element content to the F element content, which exist on the surface of the hydrophilic hollow fiber membrane and are measured by XPS, is 0.15-0.67 and the hydrophilic hollow fiber membrane has ≥40 mN/m penetrating/wetting tension.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供由具有物理强度和高分离性能的聚偏二氟乙烯构成的亲水性中空纤维膜和适于制造亲水性中空纤维膜的方法。解决方案：亲水中空纤维膜由聚偏二氟乙烯形成，其特征在于存在于亲水性中空纤维膜表面上的CF键与CH键的比例，并通过XPS（X射线光电子能谱法）为0.6-0.9，存在于亲水性中空纤维膜表面上并通过XPS测定的O元素含量与F元素含量的比例为0.15-0.67，亲水性中空纤维膜的≥40 mN / m穿透/润湿张力。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007313491A Low stain resistance vinylidene fluoride family resin porosity water treatment membrane and its manufacturing method 审中-公开
标题翻译：低耐铁性乙烯基氟化物系列树脂孔隙水处理膜及其制造方法
公开(公告)号：JP2007313491A
公开(公告)日：2007-12-06
申请号：JP2006184079
申请日：2006-07-04
申请人： Kureha Corp , 株式会社クレハ
发明人： MIZUNO TAKEYA , EBIHARA KOJI , TADA YASUHIRO , SUZUKI KENICHI , TAKAHASHI TAKEO
IPC分类号： B01D71/34 , B01D69/08
CPC分类号： B01D71/34 , B01D67/0088 , B01D67/0093 , B01D69/02 , B01D2323/02 , B01D2325/24 , B01D2325/28 , B01D2325/30
摘要： PROBLEM TO BE SOLVED: To provide a vinylidene fluoride family resin porosity water treatment membrane (a) little in membrane contamination during filtration (high flux retention rate), (b) maintaining its low stain resistance after repeated washing with a chemical (high tolerance to chemical-washing); and (c) having a favorable mechanical strength. SOLUTION: A low stain resistance porosity water treatment membrane is a porous membrane made of a vinylidene fluoride-based resin wherein the outer surface is selectively hydrophilized. Preferably, the low stain resistance porosity water treatment membrane includes a porosity membrane having a hollow fiber shape. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一个偏氟乙烯族树脂孔隙水处理膜（a）在过滤期间膜污染很少（高通量保留率），（b）在用化学品反复洗涤后保持其低耐污性（高耐化学洗涤）; 和（c）具有良好的机械强度。解决方案：低耐污性孔隙率水处理膜是由偏氟乙烯类树脂制成的多孔膜，其中外表面被选择性亲水化。优选地，低耐污染孔隙率水处理膜包括具有中空纤维形状的孔隙率膜。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2009226338A Vinylidene fluoride type resin hollow filament porous membrane and method for manufacruring the same 审中-公开
标题翻译：乙烯基氟化物型树脂中空纤维多孔膜及其制造方法
公开(公告)号：JP2009226338A
公开(公告)日：2009-10-08
申请号：JP2008076516
申请日：2008-03-24
申请人： Kureha Corp , 株式会社クレハ
发明人： TAKAHASHI TAKEO , TADA YASUHIRO , SAEGUSA KOTAKU
IPC分类号： B01D71/34 , B01D69/08 , D01F6/32 , D06M23/10
摘要： PROBLEM TO BE SOLVED: To provide a vinylidene fluoride type resin hollow filament porous membrane which has a pore size smaller than before and relatively large permeability, and has excellent antifouling property coupled with contamination removal efficiency by backwash and/or bubbling. SOLUTION: The vinylidene fluoride type resin hollow filament porous membrane is a non-stretch porous membrane in a hollow filament shape composed of a vinylidene fluoride type resin of which weight average molecular weight Mw is 500,000 or more and the ratio Mw/Mn of the weight average molecular weight Mw and number average molecular weight Mn is 2.0 or more. The ratio F(L=200 mm, v=70%)/Pm 4 of a corresponding value F(L=200 mm, v=70%)(m/day) to porosity v=70% of the permeability in a test length L=200 mm measured under the condition of a differential pressure of 100 kPa and a water temperature of 25°C and a fourth power value Pm 4 of an average bore size Pm(μm) based on a pore size distribution by a half dry/bubble point method (ASTM-F316 and ASTM-E1294) is ≥5×10 5 (m/day*μm 4 ). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种孔径比以前小的渗透率比较高的偏氟乙烯类树脂中空丝多孔膜，并且具有优异的防污性能，通过反冲洗和/或起泡来与污染去除效率相结合。解决方案：偏二氟乙烯类树脂中空丝多孔膜是由重均分子量Mw为500,000以上的偏氟乙烯类树脂构成的中空丝状非伸缩性多孔膜，Mw / Mn 的重均分子量Mw和数均分子量Mn为2.0以上。对应的值F（L = 200mm，v = 70％）（m /天）与孔隙率v = 70的比值F（L = 200mm，v = 70％）/ Pm 测试长度L = 200mm时的渗透率的百分比在平均孔径尺寸为100kPa，水温为25℃，第四功率值Pm 4 的条件下测量基于通过半干/气泡法（ASTM-F316和ASTM-E1294）的孔径分布的Pm（μm）为≥5×10 5（m /天*μm 4 ）。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2014173024A Method of producing high-softening-point pitch 有权
标题翻译：生产高效点蚀的方法
公开(公告)号：JP2014173024A
公开(公告)日：2014-09-22
申请号：JP2013047779
申请日：2013-03-11
申请人： Kureha Corp , 株式会社クレハ
发明人： TADA YASUHIRO , OTAWARA KENTARO , IMAJI MAKOTO , AOKI KENTA , KATSURAGI HIRONORI , OUCHI TOSHIHISA , WINARTO KURNIAWAN
IPC分类号： C10C1/16 , C01B31/00
摘要： PROBLEM TO BE SOLVED: To utilize efficiently light, or low-boiling-point, ingredients in production of high-softening-point pitch, with the light ingredients so far discarded or only recycled as a fuel.SOLUTION: A method of producing high-softening-point pitch uses a raw material containing a heavy hydrocarbon oil and includes an oxidation step and a heat treatment step. In the heat treatment step, volatile ingredients (A) are recovered, and at least a part of the ingredients (A) is used as a part of the raw material.
摘要翻译：要解决的问题：为了有效地利用轻质或低沸点成分生产高软化点沥青，轻质成分迄今被废弃或仅作为燃料再循环。解决方案：软化点沥青使用含有重质烃油的原料，包括氧化步骤和热处理步骤。在热处理步骤中，回收挥发性成分（A），至少一部分成分（A）用作原料的一部分。

9. 发明专利

JP2011074346A Method for producing vinylidene fluoride-based resin porous membrane 有权
标题翻译：用于生产基于氟化芴的树脂多孔膜的方法
公开(公告)号：JP2011074346A
公开(公告)日：2011-04-14
申请号：JP2009237026
申请日：2009-10-14
申请人： Kureha Corp , 株式会社クレハ
发明人： TADA YASUHIRO , TAKAHASHI TAKEO
IPC分类号： C08J9/26 , B01D71/34 , D01D5/24 , D01F6/04 , D01F6/48 , H01G9/02 , H01M2/16
CPC分类号： B01D71/34 , B01D67/002 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D69/08 , B01D2323/20 , B01D2325/022 , B01D2325/24 , B29C47/0021 , B29C47/8845 , B29C47/8885 , B29C47/8895 , C02F1/44 , C02F3/1273 , D01D5/08 , D01D5/24 , D01F1/02 , D01F1/10 , D01F6/12 , Y02W10/15
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a vinylidene fluoride-based resin porous membrane high in porosity and useful as a porous membrane for separation including a water-filtering membrane.
SOLUTION: The method for producing the vinylidene fluoride-based resin porous membrane is characterized by including immersing a membrane-like formed article (a) of a mixture of vinylidene fluoride-based resin and an organic liquid in a halogenated solvent to extract off the organic liquid, thus forming a membrane-like formed article (b) containing the halogenated solvent in the remained pores, immersing the membrane-like formed article (b) in a solvent not swelling the vinylidene fluoride-based resin substantially without drying the membrane-like formed article (b) to replace the halogenated solvent by the solvent, and then drying the membrane-like formed article (b).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方法：提供高孔隙率的偏二氟乙烯系树脂多孔膜的制造方法，其可用作包括滤水膜的分离用多孔膜。解决方案：偏二氟乙烯系树脂多孔膜的制造方法的特征在于，将偏二氟乙烯类树脂和有机液的混合物的膜状成形体（a）浸渍在卤化溶剂中以提取脱离有机液体，从而在残留的孔中形成含有卤化溶剂的膜状成膜体（b），将膜状成膜体（b）浸渍在不使偏氟乙烯系树脂溶胀的溶剂中，基本上不干燥膜状成形体（b）用溶剂代替卤代溶剂，然后干燥膜状成形体（b）。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2011012242A Manufacturing method of drawn resin porous membrane 有权
标题翻译：拉伸树脂多孔膜的制备方法
公开(公告)号：JP2011012242A
公开(公告)日：2011-01-20
申请号：JP2009237025
申请日：2009-10-14
申请人： Kureha Corp , 株式会社クレハ
发明人： TADA YASUHIRO , TAKAHASHI TAKEO
IPC分类号： C08J9/36 , B01D67/00 , B01D71/34 , H01G9/02 , H01M2/16 , H01M2/18
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a resin porous membrane useful as a separation membrane such as a liquid filtrating membrane and a battery separator while maintaining a high liquid permeability by preventing decline of porosity in a dense layer in the vicinity of the surface layer controlling the separation performance at the time of a drawing operation for reinforcement of the mechanical strength, increase of the porosity, and the like.SOLUTION: The manufacturing method of a drawn resin porous membrane comprises a step of drawing a resin porous film in a state selectively wetted with a wetting liquid by 5 μm or more from its outer surface and 1/2 of the membrane thickness or less.
摘要翻译：要解决的问题：为了提供一种用作液体过滤膜和电池隔膜之类的分离膜的树脂多孔膜，同时通过防止控制该表面层的致密层中的致密层的孔隙率的降低而保持高的液体渗透性用于加强机械强度的拉伸操作时的分离性能，孔隙率的增加等。解决方案：拉伸树脂多孔膜的制造方法包括在选择性润湿的状态下拉伸树脂多孔膜的步骤润湿液体的外表面为5μm以上，膜厚为1/2以下。

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