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    • 2. 发明申请
    • EXTRUSION PROCESS FOR GRAFTING RUBBERS
    • 挤压挤出工艺
    • WO2009074477A1
    • 2009-06-18
    • PCT/EP2008/066534
    • 2008-12-01
    • DSM IP ASSETS B.V.OLIVIER, Errol, JosephMEESSEN, PatricHOUTVAST, Franciscus, Victoire, PaulusGEESINK, Johannes, HendrikQIU, Jun
    • MEESSEN, PatricHOUTVAST, Franciscus, Victoire, PaulusGEESINK, Johannes, HendrikQIU, Jun
    • C08F255/04B29C47/00B29C47/78C08F255/00C08F255/02
    • C08F255/04B29C47/0011B29C47/822B29C47/8895C08F255/00C08F255/02C08F291/00
    • The invention relates to a process for producing a grafted rubber comprising: a) providing an ethylene propylene rubber having a weight average molecular weight (Mw) of at least 80 kg/mol in a continuous extrusion reactor by feeding the rubber in a slab/melt dosing unit and transporting the rubber to the continuous extrusion reactor by a melt pump; b) drying the rubber in the continuous extrusion reactor to a moisture content of between about 0.2 and about 0.5 wt%; c) providing the dried rubber to a first injection zone of the continuous extrusion reactor at a temperature of between 190 and 250°C, d) in the first injection zone, providing successively a first amount of maleic anhydride and a first free-radical initiator to the dried rubber; e) reacting maleic anhydride with the rubber in a first reaction zone of the continuous extrusion reactor to produce a grafted rubber; f) in a second injection zone, providing successively a second amount of maleic anhydride and a second free-radical initiator,the first and the second free radical initiator is an organic peroxide with a half-life (ty2) of more than 1 second if measured in mono-chlorobenzene at 220°C. g) applying shear to the grafted rubber in a second reaction zone of the continuous extrusion reactor, the shear sufficient to reduce the weight average molecular weight (Mw) of the grafted rubber by a factor of at least 2.
    • 本发明涉及一种生产接枝橡胶的方法,包括:a)在连续挤出反应器中通过将橡胶进料到板/熔体中提供重均分子量(Mw)至少为80kg / mol的乙丙橡胶 并通过熔体泵将橡胶输送到连续挤出反应器; b)将连续挤出反应器中的橡胶干燥至约0.2至约0.5重量%的水分含量; c)在190-250℃的温度下将干燥的橡胶提供给连续挤出反应器的第一注入区,d)在第一注入区中,连续提供第一量的马来酸酐和第一自由基引发剂 到干燥的橡胶; e)在连续挤出反应器的第一反应区中使马来酸酐与橡胶反应,生产接枝橡胶; f)在第二注射区域中,连续提供第二量的马来酸酐和第二自由基引发剂,第一和第二自由基引发剂是半衰期(ty2)大于1秒的有机过氧化物,如果 在220℃的单氯苯中测定。 g)在连续挤出反应器的第二反应区中对接枝橡胶施加剪切力,剪切力足以将接枝橡胶的重均分子量(Mw)降低至少2倍。
    • 3. 发明申请
    • HIGH PERFORMANCE MEMBRANE
    • 高性能膜
    • WO2009063067A2
    • 2009-05-22
    • PCT/EP2008/065593
    • 2008-11-14
    • DSM IP ASSETS BVQIU, JunRULKENS, RudyKAMP, OP DEN, Johannes Leonardus MariaTHIES, Jens Christoph
    • QIU, JunRULKENS, RudyKAMP, OP DEN, Johannes Leonardus MariaTHIES, Jens Christoph
    • B01D67/00B01D69/12
    • B01D67/0088B01D69/02B01D71/26B01D71/56B01D2323/02B01D2325/22B01D2325/24H01M2/145H01M2/1653
    • The invention relates to a micro-porous membrane comprising a porous membrane carrier made of a first polymeric material (A) and comprising a second polymeric material (B) intimately divided throughout the porous membrane carrier, wherein the porous membrane carrier comprises a plurality of interconnected polymeric fibers, fibrils, filaments and/or lamellae having a thickness of less than 1 µm, the porous membrane carrier has an interconnected open porous structure formed by the plurality of interconnected polymeric fibers, fibrils, filaments and/or lamellae and a porosity of at least 50%; and the polymeric material (B) comprises a thermoplastic polycondensation polymer and is present in an amount of at most 30 wt.%, relative to the total weight of (A) and (B). The invention also relates to a process for preparing such a micro-porous membrane comprising steps wherein (i) a porous membrane carrier made of a first polymeric material (A) is impregnated with a polymer solution comprising a second polymeric material (B) in a solvent system (X), and (ii) the resulting impregnated membrane carrier is quenched in a non-solvent system (Y), thereby precipitating at least part of the second polymeric material (B).
    • 本发明涉及一种微孔膜,其包括由第一聚合物材料(A)制成的多孔膜载体,并且包括在整个多孔膜载体上密切分配的第二聚合材料(B),其中多孔膜载体包括多个互连的 聚合物纤维,原纤维,细丝和/或薄片,其厚度小于1μm,多孔膜载体具有由多个互连的聚合物纤维,原纤维,长丝和/或薄片形成的互连的开放多孔结构, 至少50%; 聚合物材料(B)包含热塑性缩聚聚合物,相对于(A)和(B)的总重量,其含量至多为30重量%。 本发明还涉及一种制备这种微孔膜的方法,其包括以下步骤:(i)由第一聚合物材料(A)制成的多孔膜载体用包含第二聚合物材料(B)的聚合物溶液浸渍 溶剂体系(X),和(ii)所得浸渍的膜载体在非溶剂系统(Y)中骤冷,从而沉淀至少部分第二聚合物材料(B)。
    • 7. 发明申请
    • HIGH PERFORMANCE MEMBRANE
    • 高性能膜
    • WO2009063067A3
    • 2009-07-30
    • PCT/EP2008065593
    • 2008-11-14
    • DSM IP ASSETS BVQIU JUNRULKENS RUDYKAMP OP DEN JOHANNES LEONARDUS MARIATHIES JENS CHRISTOPH
    • QIU JUNRULKENS RUDYKAMP OP DEN JOHANNES LEONARDUS MARIATHIES JENS CHRISTOPH
    • B01D67/00B01D69/12
    • B01D67/0088B01D69/02B01D71/26B01D71/56B01D2323/02B01D2325/22B01D2325/24H01M2/145H01M2/1653
    • The invention relates to a micro-porous membrane comprising a porous membrane carrier made of a first polymeric material (A) and comprising a second polymeric material (B) intimately divided throughout the porous membrane carrier, wherein the porous membrane carrier comprises a plurality of interconnected polymeric fibers, fibrils, filaments and/or lamellae having a thickness of less than 1 µm, the porous membrane carrier has an interconnected open porous structure formed by the plurality of interconnected polymeric fibers, fibrils, filaments and/or lamellae and a porosity of at least 50%; and the polymeric material (B) comprises a thermoplastic polycondensation polymer and is present in an amount of at most 30 wt.%, relative to the total weight of (A) and (B). The invention also relates to a process for preparing such a micro-porous membrane comprising steps wherein (i) a porous membrane carrier made of a first polymeric material (A) is impregnated with a polymer solution comprising a second polymeric material (B) in a solvent system (X), and (ii) the resulting impregnated membrane carrier is quenched in a non-solvent system (Y), thereby precipitating at least part of the second polymeric material (B).
    • 本发明涉及一种微孔膜,其包含由第一聚合物材料(A)制成的多孔膜载体并且包含紧密分散在整个多孔膜载体中的第二聚合物材料(B),其中所述多孔膜载体包含多个互连的 厚度小于1μm的聚合物纤维,原纤维,长丝和/或薄片,多孔膜载体具有由多个相互连接的聚合物纤维,原纤维,长丝和/或薄片形成的互连的开放多孔结构,孔隙率为 至少50%; 并且聚合物材料(B)包含热塑性缩聚聚合物并且以相对于(A)和(B)的总重量计至多30重量%的量存在。 本发明还涉及制备这种微孔膜的方法,其包括以下步骤:(i)用包含第二聚合物材料(B)的聚合物溶液浸渍由第一聚合物材料(A)制成的多孔膜载体, 溶剂系统(X),和(ii)所得浸渍膜载体在非溶剂体系(Y)中骤冷,由此沉淀至少部分第二聚合物材料(B)。
    • 8. 发明申请
    • GASTRENN-MEMBRAN
    • GUEST RACING REED
    • WO2008034581A1
    • 2008-03-27
    • PCT/EP2007/008112
    • 2007-09-18
    • GKSS-FORSCHUNGSZENTRUM GEESTHACHT GMBHQIU, JunPEINEMANN, Klaus-ViktorWIND, JanPINGEL, Holger
    • QIU, JunPEINEMANN, Klaus-ViktorWIND, JanPINGEL, Holger
    • B01D71/00B01D71/02
    • B01D69/10B01D53/228B01D71/08B01D71/12B01D71/16B01D2256/12C01B13/0255C01B2210/0046Y10S55/05
    • Die Erfindung betrifft eine Membran zur Gastrennung, ein Verfahren zur Herstellung einer entsprechenden Membran, ein Gastrennmodul mit einer entsprechenden Membran sowie ein Verfahren zum Betrieb eines solchen Gastrennmoduls. Die Membran umfasst: eine poröse Trägerschicht aus Polymer oder anorganischem Material, insbesondere keramischem Material, eine Trennschicht, umfassend eine Mischung aus Saccharid- Derivaten und Homopolymer, insbesondere umfassend Ethylzellulose, Zelluloseacetat oder Poly-4-Methyl-1-Penten, wobei die Saccharid-Derivate eine zyklische Struktur mit fünf oder sechs Ringatomen oder eine lineare Struktur aufweisen oder Monosaccharid-Derivate sind, die über Glykosidbindungen verbunden sind, wobei die Anzahl der auf diese Weise verbundenen Monosaccharide zwischen 2 und 1.000 liegt. Dabei hat sich überraschenderweise herausgestellt, dass der Sauerstofffluss durch eine solche Membran erheblich ansteigt, wenn der Membran Saccharid-Derivate zugesetzt werden.
    • 本发明涉及一种气体分离膜,用于产生相应的膜,具有相应的隔膜以及用于操作这种气体分离组件的方法的气体分离组件的方法。 所述膜包括:聚合物或无机材料制成的多孔载体层,特别是陶瓷材料,剥离层,其包含糖衍生物和均聚物,特别是包括乙基纤维素,醋酸纤维素或聚-4-甲基-1-戊烯的混合物,其中糖 衍生物的环状结构具有五个或六个环原子或一个直链结构或包括单糖衍生物,其通过糖苷键连接,其中的连接在位于这样的单糖2-1000数。 在这种情况下,已经令人惊奇地发现,当添加显著氧气流量的增加通过这样的膜的膜糖衍生物。