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    • 43. 发明申请
    • IMPROVEMENTS IN AND RELATING TO POLYMERIC MEMBRANES
    • 改进和相关于聚合物膜
    • WO2016156250A1
    • 2016-10-06
    • PCT/EP2016/056667
    • 2016-03-24
    • WHATMAN GMBH
    • THIEME, MarcelHOCHLEITNER, KlausKIEL, SuzanaSCHENK, AlexanderTHAMM, WolfgangKATARZYNSKI, DanielaDANISCH, Georg Peter
    • B01D65/02B01D67/00B01D71/14
    • B01D67/0088B01D65/02B01D67/0009B01D67/0013B01D67/0095B01D71/14B01D71/20B01D2321/30B01D2323/08B01D2323/42
    • Disclosed is a method and apparatus for manufacturing a continuous web of polymeric membrane and for continuous downstream processing of said web. The apparatus (10) comprises: a casting station (20) for casting the continuous web (M);a carrier (24) for carrying the web downstream; a membrane drier (30) downstream of the carrier, for drying the web; and a brushing station (40) downstream of the drier for brushing the web. Said drier is located immediately downstream of the carrier, and upstream of said brushing station. The apparatus (10) further includes an additional drying station (50) downstream of the brushing station (40). Brushing after drying retains more surfactant in the membrane which is useful for certain applications. In addition, initial drying eliminates virtually all solvents from the membrane, but leaves some non-solvent (e.g. water) within it, which in turn fixes the surfactant on the nitrocellulose fibers, which improves significantly the consistency and reproducibility of the membrane.
    • 公开了一种用于制造聚合物膜的连续幅材并用于所述幅材的连续下游处理的方法和装置。 装置(10)包括:用于铸造连续卷材(M)的铸造工位(20);用于在下游承载纸幅的载体(24); 在所述载体的下游的膜干燥器(30),用于干燥所述幅材; 以及在干燥器下游的刷洗站(40),用于刷涂网。 所述干燥器位于所述载体的紧邻的下游,并且位于所述刷洗站的上游。 所述设备(10)还包括在刷洗站(40)下游的另外的干燥站(50)。 干燥后刷洗在膜中保留更多的表面活性剂,可用于某些应用。 此外,初始干燥几乎消除了所有来自膜的溶剂,但在其中留下一些非溶剂(例如水),其又将表面活性剂固定在硝化纤维素纤维上,这显着改善了膜的稠度和再现性。
    • 46. 发明申请
    • SELECTIVE MEMBRANE SUPPORTED ON NANOPOROUS GRAPHENE
    • 选择性膜支持纳米石墨
    • WO2014084861A1
    • 2014-06-05
    • PCT/US2012/067467
    • 2012-11-30
    • EMPIRE TECHNOLOGY DEVELOPMENT, LLC
    • MILLER, Seth, AdrianDUERKSEN, Gary, L.
    • B01D61/00
    • B01D69/12B01D67/0037B01D67/006B01D67/0062B01D67/0069B01D69/141B01D69/148B01D71/021B01D71/022B01D71/028B01D71/06B01D2323/42B32B38/0032Y10T156/1056
    • Technologies are generally described for composite membranes that may include a nanoporous graphene layer sandwiched between a first selective membrane and a porous support substrate. The composite membranes may be formed by depositing the selective membrane on one side of the nanoporous graphene layer, while the other side of the nanoporous graphene layer may be supported at a nonporous support substrate. The nanoporous graphene layer may be removed with the selective membrane from the nonporous support substrate and contacted to the porous support substrate to form the composite membranes. By depositing the selective membrane on a flat surface, the nanoporous graphene on the nonporous support substrate, the selective membranes may be produced with reduced defect formation at thicknesses of as little as 0.1 μιη or less. The described composite membranes may have increased permeance compared to thicker selective membranes, and structural strength greater than thin selective membranes alone.
    • 通常描述复合膜的技术,其可以包括夹在第一选择膜和多孔支撑基底之间的纳米多孔石墨烯层。 复合膜可以通过在纳米多孔石墨烯层的一侧上沉积选择性膜而形成,而纳米多孔石墨烯层的另一侧可以被支撑在无孔支撑基底上。 纳米多孔石墨烯层可以用选择性膜从无孔支撑基底去除并与多孔载体基底接触以形成复合膜。 通过将选择性膜沉积在平坦表面上,在无孔支撑衬底上的纳米多孔石墨烯,选择性膜可以以低至0.1微米厚度的缺陷形成减少来生产。 或更少。 与较厚的选择性膜相比,所述复合膜可能具有增加的渗透性,并且结构强度大于单独的薄选择性膜。
    • 48. 发明申请
    • SYSTEM AND METHOD FOR PRODUCTION OF MEMBRANE
    • 膜生产系统及方法
    • WO2013164840A2
    • 2013-11-07
    • PCT/IN2013/000145
    • 2013-03-12
    • YADAV GANAPATI DADASAHEB CHEMICAL ENGINEERING DEPARTMENT, INSTITUTE OF CHEMICAL TECHNOLOGY
    • KUNDE GAJANAN BHIMROAJIBABU C.ANAND
    • B01D67/00
    • B01D67/0048B01D71/024B01D2323/42C04B35/111C04B35/46C04B35/486C04B35/50C04B35/624C04B2235/3217C04B2235/441C04B2235/443C04B2235/444C04B2235/449C04B2235/6023C04B2235/606C04B2235/6562C04B2235/6565
    • System and method for production of membrane having high strength, enhanced thermal stability and chemical resistance comprising of at least two furnace plates, at least one heating coils encased in ceramic disc housing, metal sheet and base. Perforated ceramic discs of the invention are mounted on a movable stand and equipped with heating mantle, insulation and is encased in a metallic cover. The pores present on ceramic disc not only helps in dissipation of gases emanating from heating of wet metal oxide gel diaphragms but also conducts the heat from heating coil to it. The pores in the ceramic disc plays dual role i.e. exit of trapped water and other organic matter as well as entry of heat towards the wet gel films for faster drying. On the other hand the perforated ceramic disc has a major role to play in preventing the deformation likely to occur during sintering of semidried metal oxide gel diaphragms by putting a vertical pressure and controlling its morphology as the heating progresses towards high temperature in controlled manner. By means of this setup the semidried gel diaphragms are calcined at high temperatures to get the desired flawless plain porous ceramic membranes and all operations are done smoothly.
    • 用于制造具有高强度,增强的热稳定性和耐化学性的膜的系统和方法,包括至少两个炉板,至少一个加热线圈,其包裹在陶瓷盘壳体,金属片和基座中。 本发明的穿孔陶瓷盘安装在可移动的支架上,并配有加热套,绝缘层,并被封装在金属盖中。 陶瓷盘上存在的孔不仅有助于散发从湿金属氧化物凝胶膜片加热产生的气体,而且还将加热线圈的热量传导到其上。 陶瓷盘中的孔具有双重作用,即捕获的水和其它有机物质的出口以及向湿凝胶膜进入热量以加速干燥。 另一方面,穿孔陶瓷盘在防止半干式金属氧化物凝胶膜片烧结过程中出现的变形中起主要作用,通过放置垂直压力并控制其形态,随着加热以受控的方式朝向高温进行。 通过该设置,半干凝胶膜在高温下煅烧,得到所需的无瑕疵的普通多孔陶瓷膜,所有操作都顺利进行。
    • 49. 发明申请
    • 多孔質中空糸膜製造装置及び製造方法
    • 多孔中空纤维膜的制造装置及制造方法
    • WO2013146795A1
    • 2013-10-03
    • PCT/JP2013/058822
    • 2013-03-26
    • 三菱レイヨン株式会社
    • 吉田 武史
    • B01D69/08D01D5/24D02J1/22
    • D01D10/0436B01D63/02B01D67/0027B01D67/0083B01D71/26B01D2323/42D01D5/24D02J1/228
    •  中空糸の延伸時に、中空糸と延伸ローラーとの間のスリップを防止することにより、均質な中空糸膜を作ることができる多孔質中空糸膜製造装置及び方法を提供する。 中空糸を熱処理する熱処理部10と、熱処理された中空糸を冷延伸する冷延伸部20とを備える多孔質中空糸膜製造装置であって、冷延伸部10は、複数本のフィードローラー21と、この複数本のフィードローラー21よりも中空糸の搬送方向下流側に配置された複数本のテークアップローラー22とを有する冷延伸ローラーを備え、複数本のフィードローラーの内、中空糸の搬送方向最下流に配置されたフィードローラー21cの外周面の摩擦係数が、それ以外のフィードローラー21bの外周面の摩擦係数よりも高く、かつ複数本のテークアップローラーの内、中空糸の搬送方向最上流に配置されたテークアップローラー22c以外のテークアップローラー22bの外周面の摩擦係数よりも高い。
    • 提供一种多孔中空纤维膜制造装置和方法,其能够通过在中空纤维拉制期间防止中空纤维和牵伸辊之间的滑动而产生均匀的中空纤维膜。 一种多孔中空纤维膜的制造装置,其具有对中空纤维进行热处理的热处理单元(10)和冷拉热中空丝的冷拉伸单元(20),其中, 冷拔单元(20)设置有包括多个进给辊(21)和多个卷取辊(22)的冷拉辊,它们沿输送方向设置在多个进给辊(21)的下游侧 的中空纤维。 在中空纤维的输送方向上设置在多个进料辊的最下游的进料辊(21c)的外周面的摩擦系数高于其他进料辊(21b)的外周面的摩擦系数, 并且高于除了卷绕辊(22c)以外的卷取辊(22b)的外周面的摩擦系数,所述卷取辊(22c)设置在多个卷取辊的最上游沿着输送方向 中空纤维。