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公开(公告)号:US20180257044A1
公开(公告)日:2018-09-13
申请号:US15758641
申请日:2016-09-07
Applicant: BASF SE
Inventor: Oliver GRONWALD , Martin WEBER , Frank RITTIG , Martin HEIJNEN , Henning URCH
IPC: B01D71/68 , B01D71/34 , B01D67/00 , C07C235/06
CPC classification number: B01D71/68 , B01D61/002 , B01D61/025 , B01D67/0009 , B01D67/0011 , B01D69/02 , B01D71/34 , B01D2325/20 , C07C235/06
Abstract: Process for making membranes M comprising the following steps: a) providing a dope solution D comprising at least one polymer P and at least one solvent S, b) adding at least one coagulant C to said dope solution D to coagulate said at least one polymer P from said dope solution D to obtain a membrane M, wherein said at least one solvent S comprises more than 50% by weight of at least one compound according to formula (I) (I), wherein R1 and R2 are independently C1 to C20 alkyl, R3 is selected from H or an aliphatic rest, 20 R4 is selected from H or an aliphatic rest, AO represents at least one alkylene oxide, n is a number from 0 to 100.
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公开(公告)号:US20180272286A1
公开(公告)日:2018-09-27
申请号:US15758599
申请日:2016-09-07
Applicant: BASF SE
Inventor: Oliver GRONWALD , Martin WEBER , Hartwig VOSS , Martin HEIJNEN
CPC classification number: B01D67/0016 , B01D67/0011 , B01D67/0013 , B01D67/003 , B01D69/02 , B01D69/12 , B01D69/141 , B01D71/52 , B01D71/68 , B01D2323/02 , B01D2323/06 , B01D2323/12 , B01D2323/18 , B01D2325/34 , B01D2325/36
Abstract: A membrane contains a polymer composition is described. The polymer composition contains a) at least one polymer of PA, PVA, Cellulose CA, CTA, CA-triacetate blend, cellulose ester, cellulose nitrate, regenerated cellulose, aromatic, aromatic/aliphatic or aliphatic polyamide, aromatic, aromatic/aliphatic or aliphatic polyimide, PBI, PBIL, PAN, PAN-PVC copolymer, PAN-methallyl sulfonate copolymer, PEI, PEEK, sulfonated SPEEK, PPO, poly-carbonate, polyester, PTFE, PVDF, PP, a polyelectrolyte complex, PMMA, PDMS, aromatic, aromatic/aliphatic or aliphatic polyimide urethane, aromatic, aromatic/aliphatic or aliphatic polyamidimide, crosslinked polyimide or poly-arylene ether, PSU, PPSU and PESU, and b) at least one dope polymer DP1, which is a polyalkylene oxide with a molecular mass Mw of more than 100,000 g/mol and/or a K-value of 60 or 20 more.
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公开(公告)号:US20170239627A1
公开(公告)日:2017-08-24
申请号:US15502896
申请日:2015-07-30
Applicant: BASF SE
Inventor: Martin WEBER , Nicole JANSSEN , Hartwig VOSS , Jacek MALISZ , Martin HEIJNEN , Edoardo MENOZZI
CPC classification number: B01D71/80 , A23L2/74 , A23V2002/00 , B01D67/0011 , B01D67/0016 , B01D71/52 , B01D71/68 , B01D2325/02 , B01D2325/20 , B01D2325/22 , C02F1/44 , C02F2103/08 , C08G75/23 , C08G2340/00 , C08J3/005 , C08J2381/06 , C08J2481/06
Abstract: Process for making a membrane M comprising the following steps: a) preparing a copolymer C, wherein said copolymer C comprises blocks of at least one polyarylene ether A and blocks of polyalkylene oxide PAO, wherein the content of polyethyleneoxide in copolymer C is 30 to 90% by weight and wherein copolymer C is prepared in a solvent L to yield solution S; b) providing a dope solution D comprising at least one polymer P; c) mixing solution S and dope solution D; d) preparing a membrane by bringing the mixture of solution S and dope solution D into contact with at least one coagulating agent.
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公开(公告)号:US20190099724A1
公开(公告)日:2019-04-04
申请号:US16086941
申请日:2017-03-20
Applicant: BASF SE
Inventor: Menno BOS , Martin HEIJNEN , Natalia WIDJOJO
Abstract: The present invention is related to a method for fabricating multilayer singlebore membranes (10) or multilayer multibore membranes (20) for ultrafiltration applications including the following method steps: (a) feeding at least a material of a substrate (12), at least one material of a functional layer (14, 15) and a bore fluid (36) to a spinneret (30) simultaneously; (b) forming said membranes (10, 20) as a tube-like string (54) in a one-step process in said spinneret (30); (c) thereby assigning a functionality to said functional layer (14, 15) applied on at least one surface (13, 17) of said substrate (12). The invention is also related to a spinneret (30) for fabricating multilayer singlebore membranes (10) or multilayer multibore membranes (20), using the inventive method, and to a system comprising such a spinneret (30).
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公开(公告)号:US20180126338A1
公开(公告)日:2018-05-10
申请号:US15574511
申请日:2016-05-19
Applicant: BASF SE
Inventor: Martin WEBER , Berend ELING , Martin HEIJNEN , Oliver GRONWALD , Hartwig VOSS , Jacek MALISZ , Davis Yohanes ARIFIN
IPC: B01D71/54 , B01D71/68 , B01D71/70 , B01D71/80 , B01D67/00 , B01D69/02 , B01D69/14 , C08G18/76 , C08G18/63 , C08G18/48 , C08G18/40 , C08J5/18 , C08L75/08
CPC classification number: B01D71/54 , B01D67/0079 , B01D69/02 , B01D69/148 , B01D71/68 , B01D71/70 , B01D71/80 , B01D2325/48 , C08G18/4009 , C08G18/4072 , C08G18/4879 , C08G18/5072 , C08G18/5096 , C08G18/61 , C08G18/632 , C08G18/73 , C08G18/7671 , C08G77/28 , C08G77/458 , C08G2340/00 , C08J5/18 , C08J2375/08 , C08L75/08 , C08L81/06 , C09D183/08 , C08L75/04
Abstract: Polymer composition comprising a) an oligo- or polyurethane U of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 1-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its terminal positions with one alkylene glycol unit; or a mixture of such oligo- or polyurethanes; and b) one or more further organic polymers P selected from the group consisting of polyvinyl pyrrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polyarylene ethers, polysulfones, polyethersulfones, polyphenylenesulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes and polytetrafluorethylenes, copolymers thereof, and mixtures thereof; preferably selected from the group consisting of polysulfones, polyphenylenes, polyethersulfones, polyvinylidene fluorides, polyamides, cellulose acetate and mixtures thereof.
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公开(公告)号:US20190209973A1
公开(公告)日:2019-07-11
申请号:US16328788
申请日:2017-08-25
Applicant: BASF SE
Inventor: Natalia WIDJOJO , Menno BOS , Martin HEIJNEN , Peishan ZHONG , Martin WEBER
IPC: B01D65/08 , B01D61/14 , B01D69/08 , B01D71/80 , B01D71/68 , B01D69/12 , B01D71/52 , B01D71/70 , C02F1/44
CPC classification number: B01D65/08 , B01D61/145 , B01D69/08 , B01D69/12 , B01D71/40 , B01D71/52 , B01D71/68 , B01D71/70 , B01D71/80 , C02F1/444
Abstract: Multilayer single-bore hollow fibre membranes M or multilayer multi-bore hollow fibre membranes M for ultrafiltration applications are disclosed, comprising at least one hollow fibre membrane substrate S comprising a polymer bulk material P1 and at least one functional layer F disposed on at least the inner surface of the hollow fibre membrane substrate S, wherein the functional layer F comprises at least one polymer P2. The hollow fibre membranes may be used in ultrafiltration methods and filtration modules, in particular for the treatment of waste water.
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7.
公开(公告)号:US20160263529A1
公开(公告)日:2016-09-15
申请号:US15029568
申请日:2014-10-13
Applicant: BASF SE
Inventor: Edoardo MENOZZI , Martin HEIJNEN , Martin WEBER , Nicole JANSSEN
IPC: B01D65/02 , B29C47/88 , B01D71/68 , B01D69/08 , B01D69/02 , B01D61/58 , B01D67/00 , B01D69/04 , B29C47/00 , C02F1/44
CPC classification number: B01D65/022 , B01D61/58 , B01D67/002 , B01D69/02 , B01D69/04 , B01D69/087 , B01D71/68 , B01D2321/04 , B01D2321/168 , B01D2325/24 , B01D2325/28 , B01D2325/30 , B29C48/0012 , B29C48/022 , B29C48/919 , B29K2081/06 , B29K2995/0068 , B29L2031/755 , C02F1/44 , C02F2305/02
Abstract: Polyethers (A), whose main chain essentially consists of repeating units of the formulae (1) and (2) in alternating order, are useful as an additive to a porous polymer membrane, or as the main polymer constituent of a porous polymer membrane, for stabilizing said membrane against detrimental effects of oxidizing agents and/or for improving the stability of a filtration module comprising said membrane against detrimental effects of oxidizing agents.
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公开(公告)号:US20160158707A1
公开(公告)日:2016-06-09
申请号:US14902752
申请日:2014-06-27
Applicant: BASF SE
Inventor: Martin HEIJNEN , Martin WEBER , Claudia STAUDT , Marc JUNG , Natalia WIDJOJO , Peishan ZHONG , Jia Le LOW
CPC classification number: B01D69/10 , B01D61/002 , B01D61/02 , B01D63/066 , B01D67/0006 , B01D67/0088 , B01D69/12 , B01D69/125 , B01D71/56 , B01D71/68
Abstract: Membrane comprising a carrier and a rejection layer, wherein said membrane is a multiple channel membrane. The rejection layer is a polyamide layer. Process for making multiple channel membranes coated with a polyamide layer.
Abstract translation: 包含载体和排斥层的膜,其中所述膜是多通道膜。 拒绝层是聚酰胺层。 制造涂有聚酰胺层的多通道膜的方法。
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公开(公告)号:US20160002411A1
公开(公告)日:2016-01-07
申请号:US14770684
申请日:2014-04-16
Applicant: BASF SE
Inventor: Edoardo MENOZZI , Martin WEBER , Martin HEIJNEN
CPC classification number: C08G77/458 , B01D65/06 , B01D67/0009 , B01D69/06 , B01D69/08 , B01D69/141 , B01D71/52 , B01D71/54 , B01D71/68 , B01D71/70 , B01D71/76 , B01D71/80 , B01D2325/022 , B01D2325/28 , B01D2325/30 , B29C67/202 , B29K2083/00 , B29K2995/0058 , B29L2031/14 , C02F1/44 , C08G18/4081 , C08G18/4825 , C08G18/61 , C08G18/6453 , C08G18/73 , C08G18/7621 , C08G18/7657 , C08L75/04 , C08L81/06
Abstract: Polymer membranes, especially as used for water filtration processes, are effectively stabilized against detrimental effects of acids, bases and/or oxidizing agents commonly used for chemically enhanced backwash by incorporation of an oligo- or polyurethane of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 0-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polysulfone block; or a mixture of such oligo- or polyurethanes.
Abstract translation: 特别是用于水过滤方法的聚合物膜通过掺入通式(I)的低聚物或聚氨酯而有效地稳定,以防止通常用于化学增强反冲洗的酸,碱和/或氧化剂的有害作用,其中k和n 独立地为1〜100的数,m为0〜100的范围,(X)为式(II)的嵌段,(Y)为式(III)的嵌段,(A)为 脂族或芳族二异氰酸酯接头,(B)是含有链烷醇端基的线性低聚或聚硅氧烷的残基,并且任选地还含有一个或多个脂族醚部分,和(C)是芳族低聚或聚砜嵌段; 或这种寡聚或聚氨酯的混合物。
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