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公开(公告)号：KR101790174B1
公开(公告)日：2017-11-20
申请号：KR1020130154174
申请日：2013-12-11
Applicant: 한국화학연구원
Abstract: 본발명은중공사막을준비하는단계; 상기중공사막표면을폴리비닐알콜(polyvinyl alcohol; PVA)로코팅하여, 친수성표면을갖는중공사막을형성시키는단계; 및상기중공사막표면상에계면중합을통해폴리아미드계코팅층을형성시키단계를포함하는, 중공사복합막의제조방법; 이에따라제조된중공사복합막; 및해수또는폐수를수처리하여정제된물을제조하는방법에있어서, 상기중공사복합막을사용하여역삼투공정을통해수처리하는단계를포함하는것인정제수제조방법에관한것이다. 본발명의제조방법은롤링공정이어려워복합막으로제조할수 없는중공사막을친수성고분자인 PVA로코팅하는단계를추가로포함하는간단한방법에의해코팅되지않은중공사막에비해분획분자량이 1/10 수준으로감소된중공사복합막을제공할수 있으므로, 이에따라제조된분리능이향상된중공사복합막은정수처리, 하폐수처리, 해수담수화및 식품및 의약품분리/정제등에유용하게사용될수 있다.
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公开(公告)号：KR101734307B1
公开(公告)日：2017-05-15
申请号：KR1020140150162
申请日：2014-10-31
Abstract: 본발명은나노기공을갖는극성멤브레인의제조방법및 상기방법으로제조된나노기공을갖는극성멤브레인에관한것으로, 더욱상세하게는극성고분자인나일론을사용하여멤브레인을제조하되 VIPS법과 NIPS법을혼용함으로써, NIPS 법에의해서표면에스킨층이있고공기와접촉한표면의기공이하부표면에비해서기공이더 작은나노기공크기의기공구조를지니면서도, VIPS 법에영향을받아서단면이완전한스폰지층을갖는극성멤브레인의제조방법및 상기방법으로제조된나노기공을갖는극성멤브레인에관한것이다.
Abstract translation: 本发明涉及具有由制造偏光膜与本发明的银的孔，并且该方法的方法的纳米孔的极性膜，但更具体地，涉及通过混合VIPS方法制备用尼龙极性聚合物的膜和NIPS方法， 同时由NIPS方法和表面精灵纳米孔尺寸的孔比所述表面的在与空气的下表面接触的孔的较小的孔结构上的皮肤层，所述极性既影响横截面为完整的泡沫层中的VIPS方法 一种制造膜的方法以及通过该方法制造的具有纳米孔的极性膜。
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公开(公告)号：KR101675455B1
公开(公告)日：2016-11-23
申请号：KR1020140139078
申请日：2014-10-15
Applicant: 한국화학연구원
Abstract: 본발명은내염소성이우수한분리막의제조방법및 상기방법으로제조된내염소성분리막에관한것으로, 더욱상세하게는아세틸메셀로스및 셀룰로스아세테이트계고분자로이루어진군으로부터선택되는 1종이상의셀룰로스계고분자에불소계고분자를블렌딩하여분리막을성형함으로써막오염저항성은유지하면서도내염소성이더욱크게개선된분리막을제조하는방법및 상기방법으로제조된내염소성분리막에관한것이다.
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公开(公告)号：KR1020160053174A
公开(公告)日：2016-05-13
申请号：KR1020140150162
申请日：2014-10-31
Abstract: 본발명은나노기공을갖는극성멤브레인의제조방법및 상기방법으로제조된나노기공을갖는극성멤브레인에관한것으로, 더욱상세하게는극성고분자인나일론을사용하여멤브레인을제조하되 VIPS법과 NIPS법을혼용함으로써, NIPS 법에의해서표면에스킨층이있고공기와접촉한표면의기공이하부표면에비해서기공이더 작은나노기공크기의기공구조를지니면서도, VIPS 법에영향을받아서단면이완전한스폰지층을갖는극성멤브레인의제조방법및 상기방법으로제조된나노기공을갖는극성멤브레인에관한것이다.
Abstract translation: 本发明涉及一种制备具有纳米尺寸孔的极性膜的方法和通过该方法制备的具有纳米尺寸孔的极性膜。 根据制备极性膜的方法，通过VIPS法和NIPS法的组合，使用尼龙即极性聚合物制备膜。 因此，由于采用NIPS法，表面上存在表皮层，并且获得了与空气接触的表面上的孔小于下表面的孔的纳米尺寸的孔结构。 由于VIPS方法的影响，膜的截面具有完整的海绵形式。
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公开(公告)号：KR1020140119566A
公开(公告)日：2014-10-10
申请号：KR1020130035415
申请日：2013-04-01
Applicant: 한국화학연구원
CPC classification number: B01D61/002 , B01D61/10 , B01D2311/02 , C02F1/445
Abstract: The present invention provides a draw solution for forward osmosis containing the salt of polyethyleneimine with a number average molecular weight of 4,000 or smaller as a draw solute for forward osmosis. Also, the present invention provides a method for manufacturing fluid refined by the osmotic pressure of a draw solution for forward osmosis containing a draw solute for forward osmosis, the method comprising: a first step of making fluid of a fluid source permeate through a first membrane toward the draw solution for forward osmosis by osmotic pressure; and a second step of making the fluid, which has permeated through the first membrane, pass through a second membrane, which the draw solute for forward osmosis cannot permeate through. The manufacturing method uses the draw solution for forward osmosis according to the present invention. The draw solution for forward osmosis according to the present invention exhibits excellent osmotic pressure and can recover the draw solute easily thanks to the salt of polyethyleneimine, which is a polymeric salt, used as a draw solute. A water treatment apparatus and a water treatment method using the same have energy consumption reduced in separating and recovering the draw solute and exhibit an excellent water treatment effect.
Abstract translation: 本发明提供一种含有数均分子量为4000以下的聚乙烯亚胺盐作为正向渗透的吸附溶质的正向渗透的拉伸溶液。 此外，本发明提供一种制造用于正向渗透的用于正向渗透的拉伸溶液的渗透压精制的流体的方法，所述渗透溶液含有用于正向渗透的拉伸溶质，所述方法包括：使流体源的流体渗透通过第一膜 通过渗透压向正向渗透的拉伸溶液; 并且使渗透到第一膜中的流体通过第二膜的第二步骤，用于正向渗透的吸附溶质不能透过。 制造方法使用根据本发明的正向渗透的拉伸溶液。 根据本发明的用于正向渗透的拉伸溶液表现出优异的渗透压，并且由于用作拉伸溶质的聚合盐的聚乙烯亚胺的盐，容易地回收拉伸溶质。 使用该处理装置的水处理装置和水处理方法在分离和回收牵伸溶质时能量消耗降低，并表现出优异的水处理效果。
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Patent Agency Ranking
公开(公告)号：KR1020140070284A
公开(公告)日：2014-06-10
申请号：KR1020120138596
申请日：2012-11-30
Applicant: 한국화학연구원
CPC classification number: B01D71/16 , B01D69/02 , B01D69/06 , B01D71/12 , B01D2325/026 , C02F1/44 , C08B11/08 , C08B11/12
Abstract: The present invention relates to an acetylated methyl cellulose-based membrane and a manufacturing method thereof. Specifically, the present invention relates to a manufacturing method of a membrane with an improved chemical durability while maintaining a membrane fouling resistance by mixing acetylated methyl cellulose and cellulose acetate after manufacturing the acetylated methyl cellulose. The membrane manufactured according to the present invention has a cross-section of a sponge structure so as to maintain the membrane fouling resistance and improve the chemical durability at the same time compared to the isolated use of acetylated methyl cellulose or cellulose acetate.
Abstract translation: 本发明涉及乙酰化甲基纤维素基膜及其制造方法。 具体而言，本发明涉及在制造乙酰化甲基纤维素后，通过混合乙酰化甲基纤维素和乙酸纤维素来维持膜结垢抗性而具有改善的化学耐久性的膜的制造方法。 根据本发明制造的膜与分离使用乙酰化甲基纤维素或乙酸纤维素相比，具有海绵结构的横截面以便保持膜的抗污垢性并且同时提高化学耐久性。
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公开(公告)号：KR101317643B1
公开(公告)日：2013-10-15
申请号：KR1020110091237
申请日：2011-09-08
Applicant: 한국화학연구원 , 도레이케미칼 주식회사
Abstract: 본 발명은 폴리아미드 나노복합막 및 그의 제조방법에 관한 것이다.
본 발명은 다공성 지지체 상에, 다관능성 아민 함유 수용액과 다관능성 아실 할라이드함유 유기용액간의 계면중합시, 상기 유기용액에 유기 인산염이 더 함유되어 형성된 폴리아미드 활성층으로 이루어진 폴리아미드 나노복합막을 제공하는 것으로서, 나노여과막 또는 역삼투막 분야에서 요구하는 40∼90% 수준의 염배제율을 유지하면서 40∼90 GFD수준의 투과유량을 충족한다. 이에, 본 발명의 폴리아미드 나노복합막은 나노여과 수준의 고유량을 구현하므로, 단위시간당 처리용량이 증가하게 되며 수처리 공정상의 효율성을 높일 수 있다. 나아가, 본 발명의 폴리아미드 나노복합막은 다양한 나노여과 공정에 적용 가능하며, 특히, 정수기, 해수담수화 공정의 전처리 장치, 연수기, 정수 처리장치, 폐수 처리장치 또는 식품 정제장치에 적용할 수 있다.-
公开(公告)号：KR1020120009820A
公开(公告)日：2012-02-02
申请号：KR1020100070573
申请日：2010-07-21
Applicant: 한국화학연구원
Abstract: PURPOSE: A forward osmosis membrane based on acetylated alkyl cellulose and a method for manufacturing the same are provided to reduce energy consumption by implementing permeation based on osmotic pressure-based diffusion. CONSTITUTION: A forward osmosis membrane includes an acetylated alkyl cellulose porous support and a polyamide layer. The substitution degree of alkyl group in acetylated alkyl cellulose is between 0.1 and 2.9. The alkyl group in the acetylated alkyl cellulose is methyl group, ethyl group, propyl group, hydroxyethyl group, or hydroxypropyl group. The pore size of the porous support is between 1 and 1000nm. The thickness of the porous support is between 5 and 300um. The polyamide layer is formed by the reaction of multi-functional amine compound and amine reactive compound. The multi-functional amine compound is the compound of one or two selected from m-phenylene diamine, p-phenylene diamine, piperazine, and the derivative thereof.
Abstract translation: 目的：提供一种基于乙酰化烷基纤维素的正向渗透膜及其制造方法，以通过基于渗透压扩散实施渗透来降低能量消耗。 构成：正向渗透膜包括乙酰化烷基纤维素多孔载体和聚酰胺层。 乙酰化烷基纤维素中烷基的取代度为0.1〜2.9。 乙酰化烷基纤维素中的烷基是甲基，乙基，丙基，羟乙基或羟丙基。 多孔载体的孔径在1〜1000nm之间。 多孔载体的厚度在5-300μm之间。 通过多官能胺化合物与胺反应性化合物的反应形成聚酰胺层。 多官能胺化合物是选自间苯二胺，对苯二胺，哌嗪及其衍生物中的1种或2种的化合物。
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公开(公告)号：KR1020110074201A
公开(公告)日：2011-06-30
申请号：KR1020090131104
申请日：2009-12-24
Applicant: 한국화학연구원
CPC classification number: B01D71/12 , B01D67/0006 , B01D2323/12 , B01D2325/20 , C02F1/001
Abstract: PURPOSE: An acetylation methylcellulose, and a manufacturing method of the same, a coating agent for the water treatment separation membrane including the same, and a manufacturing method of separation membrane for water treatment using the same are provided to manufacture the coating agent of the separation membraned which has superior mechanical strength by preventing the phenomenon that the decomposition occurs before melting occurs since having low melting point than natural polymer for the existing separation membrane of separation membrane material, and to have excellent profitability since the simplification of the manufacturing process is possible unlike the existing separation membrane material. CONSTITUTION: The manufacturing method of the acetylation methylcellulose includes the step of manufacturing solution by dissolving methylcellulose in the solvent containing more than one kind selected from the pyridine, and the acetone and their mixture, adding acetic anhydride in the solution and performing acetylation reaction and solidifying in the water. The rate of solvent and methylcellulose is 5 ~ 40 : 95 ~ 60 weight ratio. The amount of the acetic anhydride is 0.5 ~ 3 molar ratio per the methylcellulose unit. The acetylation reaction operates in 10 ~ 90°C. The acetylation methylcellulose has 160 ~ 180°C melting point.
Abstract translation: 目的：提供一种乙酰化甲基纤维素及其制造方法，包括其的水处理分离膜用涂布剂和使用其的水处理用分离膜的制造方法，制造分离用涂布剂 具有优异的机械强度的膜，其具有优异的机械强度，因为与分离膜材料的现有分离膜相比，熔点低于天然聚合物的熔点发生分解，并且由于制造过程的简化而具有优异的利润率，因此可能不同于 现有的分离膜材料。 构成：乙酰化甲基纤维素的制造方法包括通过将甲基纤维素溶解在含有多于一种选自吡啶和丙酮及其混合物的溶剂的溶剂中制备溶液的步骤，在溶液中加入乙酸酐并进行乙酰化反应和固化 在水里。 溶剂和甲基纤维素的比例为5〜40：95〜60重量比。 每个甲基纤维素单元的乙酸酐的量为0.5-3摩尔比。 乙酰化反应在10〜90℃下进行。 乙酰化甲基纤维素的熔点为160〜180℃。
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公开(公告)号：KR100957608B1
公开(公告)日：2010-05-13
申请号：KR1020070122364
申请日：2007-11-28
Applicant: 한국화학연구원
IPC: B01D69/00
Abstract: 본 발명은 2개 이상의 다중 채널을 갖는 금속 중공사 필터에, 특정의 입경을 가진 금속이 일정량 함유된 금속용액을 가압 및 소성하여 상기 중공사 필터의 내부에 금속이 코팅하는 연속적인 공정으로, 종래에 비해 용이하게 기공의 크기가 0.1 ∼ 0.4 ㎛이고 균일한 기공을 갖는 정밀여과막을 제조하는 방법에 관한 것이다.
다중채널, 금속 중공사, 가압 코팅, 정밀여과막
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