公开(公告)号：US4640773A

公开(公告)日：1987-02-03

申请号：US735897

申请日：1985-05-20

申请人： Yuji Nishida ,  Yoshiyasu Kamiyama ,  Koichi Okuno

发明人： Yuji Nishida ,  Yoshiyasu Kamiyama ,  Koichi Okuno

IPC分类号： B01D53/22 ,  B01D63/02 ,  B01D13/01

CPC分类号： B01D53/22 ,  B01D63/02 ,  B01D2313/21 ,  B01D2313/23 ,  B01D2319/04

摘要： A membrane separation apparatus comprising: a cylindrical case provided with an outlet for a membrane permeated fluid; a plurality of tubular or capillary membranes which are inserted into the cylindrical case in a substantially parallel state with each other and in a closely bundled state, the membranes each other and also the bundled membranes and the cylindrical case being bonded and fixed with a casting resin at both end portions thereof; a cap having a nozzle for a feed inlet and a nozzle for a membrane permeated fluid outlet, provided at one end of the cylindrical case; and a cap having a nozzle for a concentrated fluid provided at another end of the cylindrical case, wherein at least one open end of the tubular or capillary membranes is arranged with a slope with respect to the axis of the cylindrical case, and the nozzle for the feed inlet and the nozzle for the membrane permeated fluid are provided on the substantially same axis.

摘要翻译： 一种膜分离装置，包括：圆筒形壳体，设置有用于膜渗透流体的出口; 多个管状或毛细管膜以彼此基本上平行的状态并且处于紧密捆扎状态插入到圆筒形壳体中，膜彼此分开，并且捆扎膜和圆柱形壳体用浇铸树脂粘合和固定 在其两端部; 具有用于进料口的喷嘴和用于膜渗透流体出口的喷嘴的盖，其设置在所述圆筒形壳体的一端; 以及盖，其具有设置在所述圆筒形壳体的另一端处的用于浓缩流体的喷嘴，其中所述管状或毛细管膜的至少一个开口端相对于所述圆筒形壳体的轴线布置有斜面，并且所述喷嘴用于 用于膜渗透流体的进料口和喷嘴设置在基本相同的轴上。

公开(公告)号：US4619767A

公开(公告)日：1986-10-28

申请号：US287653

申请日：1981-07-28

申请人： Yoshiyasu Kamiyama ,  Noriaki Yoshioka ,  Keisuke Nakagome

发明人： Yoshiyasu Kamiyama ,  Noriaki Yoshioka ,  Keisuke Nakagome

IPC分类号： B32B5/18 ,  B01D69/12 ,  B01D71/38 ,  B01D71/82 ,  C08F8/00 ,  C08F8/30 ,  C08F8/32 ,  C08J9/00 ,  B01D13/00

CPC分类号： B01D71/38 ,  B01D69/125

摘要： A composite semipermeable membrane is described, wherein said membrane comprises (1) a porous substrate, (2) an ultrathin film as a surface layer formed by polymerization by crosslinking of polyvinyl alcohol and an amino compound having at least two secondary amino groups using a polyfunctional crosslinking reagent capable of reacting with secondary amino groups and hydroxyl groups, and (3) a porous inner layer composed of water insoluble polyvinyl alcohol which is present between the porous substrate and the ultrathin film.

摘要翻译： 描述了一种复合半透膜，其中所述膜包括（1）多孔基材，（2）通过使用多官能团交联聚乙烯醇与具有至少两个仲氨基的氨基化合物聚合形成的表面层的超薄膜 可与仲氨基和羟基反应的交联剂，（3）存在于多孔质基材与超薄膜之间的由水不溶性聚乙烯醇构成的多孔内层。

公开(公告)号：US4612118A

公开(公告)日：1986-09-16

申请号：US616750

申请日：1984-06-04

申请人： Yoshiyasu Kamiyama ,  Keisuke Nakagome

发明人： Yoshiyasu Kamiyama ,  Keisuke Nakagome

IPC分类号： C08J9/34 ,  B01D69/12 ,  B01D71/62 ,  B01D71/66 ,  B01D71/82 ,  C08G73/06 ,  C08L79/04 ,  B01D13/04

CPC分类号： C08G73/0638 ,  B01D69/125 ,  B01D71/62 ,  C08L79/04

摘要： A composite semipermeable membrane which comprises a porous substrate and an ultrathin dense layer having solute removal performance formed on said substrate by polymerization by crosslinking of a reactive material composed of at least one material selected from the group consisting of(a) a mixture of triazine represented by the general formula: ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms), and polyamine monomer,(b) said triazine modified with amine,(c) a mixture of said triazine modified with amine, and polyamine monomer,(d) a oligomer composed of said triazine and polyamine monomer, and(e) a mixture of an oligomer composed of said triazine and polyamine monomer, and polyamine monomer,as a main component, with a polyfunctional crosslinking reagent having two or more functional groups capable of reacting with amino groups in the molecule, and a process for preparing the same.

摘要翻译： 一种复合半透膜，其包括多孔基材和具有溶质去除性能的超薄致密层，所述超薄致密层通过使由至少一种选自以下的材料组成的反应性材料进行聚合而聚合，所述反应性材料在所述基材上形成：（a）三嗪的混合物， （其中R 1，R 2，R 3，R 4和R 5各自表示氢原子或具有1至5个碳原子的烷基）和多胺单体，（b）用胺改性的所述三嗪（ c）将所述三胺改性的三嗪和多胺单体的混合物，（d）由所述三嗪和多胺单体组成的低聚物和（e）由所述三嗪和多胺单体组成的低聚物和多胺单体的混合物， 具有两个以上能够与分子中的氨基反应的官能团的多官能交联剂的主要成分及其制备方法。

公开(公告)号：US5104544A

公开(公告)日：1992-04-14

申请号：US594597

申请日：1990-10-09

申请人： Hiroshi Shimizu ,  Kenichi Ikeda ,  Yoshiyasu Kamiyama

发明人： Hiroshi Shimizu ,  Kenichi Ikeda ,  Yoshiyasu Kamiyama

IPC分类号： B01D15/04 ,  B01D61/02 ,  C01F17/00 ,  C02F1/44

CPC分类号： B01D61/025 ,  C01F17/0006 ,  Y10S210/912

摘要： The invention is concerned with a process of separation and refining of rare earths in which a dilute solution of rare earths, resulting from the step of separating and refining the rare earths by using an ion exchanger, is subjected to reverse osmosis membrane separation treatment to concentrate the solution and reduce its volume, while the water which has passed through the membrane is circulated for reuse in the step of separating and refining the rare earths.

摘要翻译： 本发明涉及稀土分离和精制方法，其中通过使用离子交换剂从稀土稀释步骤得到的稀土稀溶液进行反渗透膜分离处理以浓缩 溶液并减少其体积，同时在分离和精炼稀土的步骤中循环通过膜的水循环再利用。

公开(公告)号：US4737325A

公开(公告)日：1988-04-12

申请号：US819311

申请日：1986-01-16

申请人： Yoshiyasu Kamiyama ,  Noriaki Yoshioka ,  Keisuke Nakagome

发明人： Yoshiyasu Kamiyama ,  Noriaki Yoshioka ,  Keisuke Nakagome

IPC分类号： B32B5/18 ,  B01D69/12 ,  B01D71/38 ,  B01D71/82 ,  C08F8/00 ,  C08F8/30 ,  C08F8/32 ,  C08J9/00 ,  B01D13/00

CPC分类号： B01D71/38 ,  B01D69/125

摘要： A composite semipermeable membrane and a process for preparation thereof are described, wherein said membrane comprises (1) a porous substrate, (2) an ultrathin film as a surface layer formed by polymerization by crosslinking of polyvinyl alcohol and an amino compound having at least two secondary amino groups using a polyfunctional crosslinking reagent capable of reacting with secondary amino groups and hydroxyl groups, and (3) a porous inner layer composed of water insoluble polyvinyl alcohol which is present between the porous substrate and the ultrathin film.

摘要翻译： 描述了复合半透膜及其制备方法，其中所述膜包括（1）多孔基材，（2）通过聚乙烯醇交联聚合形成的表面层的超薄膜和具有至少两个 使用能够与仲氨基和羟基反应的多官能交联剂的仲氨基，（3）存在于多孔基材和超薄膜之间的由水不溶性聚乙烯醇构成的多孔内层。

公开(公告)号：US4385084A

公开(公告)日：1983-05-24

申请号：US151061

申请日：1980-05-19

申请人： Akio Iwama ,  Yoshiyasu Kamiyama ,  Yoshitaka Kazuse ,  Hisashi Ichinose

发明人： Akio Iwama ,  Yoshiyasu Kamiyama ,  Yoshitaka Kazuse ,  Hisashi Ichinose

IPC分类号： C08J9/28 ,  B01D71/64 ,  C08L79/08 ,  B05D5/00

CPC分类号： B01D71/64 ,  C08L79/08

摘要： A process is described for preparing a selective permeable membrane comprising coating a solution consisting essentially of(i) a polyimide polymer consisting essentially of a repeating unit of the formula (I): ##STR1## wherein R.sup.1 is a divalent organic group, (ii) a swelling agent selected from the group of compounds represented by formula (II) and (III):R.sup.3 O----CH.sub.2 CHR.sup.2 O).sub.n R.sup.4 (II)R.sup.5 ----OH).sub.m (III) wherein R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, can be hydrogen, a methyl group, or an ethyl group, and when R.sup.2 is hydrogen, n can be an integer of from 1 to 5, and when R.sup.2 is a methyl or ethyl group, n can be an integer of from 1 to 3, R.sup.5 is a saturated aliphatic hydrocarbon group containing 3 to 6 carbon atoms, and m can be an integer of from 2 to 6, and(iii) an organic solvent,on a supporting substrate, and immersing the solution coated supporting substrate in a coagulating liquid which does not dissolve the polyimide polymer and is miscible with the organic solvent, to coagulate the polyimide polymer and form the membrane. Membranes prepared by the process are also described.

摘要翻译： 描述了一种用于制备选择性渗透膜的方法，其包括涂覆基本上由（i）基本上由式（I）的重复单元组成的聚酰亚胺聚合物的溶液：其中R 1是二价有机基团， （ii）选自式（II）和（III）表示的化合物的溶剂：R3O-CH2CHR2O）nR4（II）R5-OH）m（III）其中R2，R3和R4可以 相同或不同，可以是氢，甲基或乙基，当R 2是氢时，n可以是1至5的整数，当R 2是甲基或乙基时，n可以是 1〜3的整数，R5为碳原子数为3〜6的饱和脂肪族烃基，m为2〜6的整数，（iii）有机溶剂，在支持基材上，浸渍溶液 在不溶解聚酰亚胺聚合物并与有机溶剂混溶的凝固液中的涂布的支撑基材凝固 聚酰亚胺聚合物形成膜。 还描述了通过该方法制备的膜。