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1.发明授权신규한 ＰＶＤＦ 중공사막 제조용 고분자 수지, 막오염 저항성이 우수한 ＰＶＤＦ 중공사막, 및 이의 제조방법 有权聚偏二氟乙烯型中空纤维膜的新型聚合物树脂，耐腐蚀膜污染的PVDF中空纤维膜及其制备方法
公开(公告)号：KR101179161B1
公开(公告)日：2012-09-03
申请号：KR1020090109198
申请日：2009-11-12
Applicant: 한국화학연구원
Abstract: 본 발명은 신규한 폴리불화비닐리덴계(PVDF) 중공사막 제조용 고분자 수지, 막오염 저항성이 우수한 PVDF 중공사막, 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 폴리불화비닐리덴, 양용매, 특정 빈용매 및 기공형성제를 포함하는 신규한 PVDF 제조용 고분자 수지 조성물을 비용매 유도 상전이시켜서 제조한 PVDF 중공사막 및 이의 제조방법에 관한 것이다. 본 발명의 상기 PVDF 중공사막은 막오염에 대한 저항성이 우수하여 막세척 주기를 연장할 수 있기 때문에, 분리막의 화학적 안정성을 높을 뿐만 아니라, 투과유량이 높고 강도가 우수하여 오수, 폐수, 정수 등의 수처리용 중공사막으로 사용하기에 적합하다.
폴리불화비닐리덴, 중공사막, 막오염 저항성 , 기공률-
公开(公告)号：KR1020100123514A
公开(公告)日：2010-11-24
申请号：KR1020090042778
申请日：2009-05-15
Applicant: 한국화학연구원
Abstract: PURPOSE: A method for collecting sericin of small molecular weight in protein refining process is provided to resolve protein aggregation and to improve sericin decomposition. CONSTITUTION: A method for collecting sericin in protein refining process comprises: a step of putting calcium chloride to protein mixture solution to remove soap; a step of adding salt which enables salting in and heating; a step of cooling to obtain pH 6-8 of sericin; a step of passing sericin solution into a trypsin fixation bead reactor to collect 10kDa or less of sericin. The protein mixture solution contains 0.1-0.5 weight%, 1-4 weight% of sericine and 95.5-98.9 weight% of water.
Abstract translation: 目的：提供蛋白质精制过程中收集小分子量丝胶蛋白的方法，以解决蛋白质聚集和改善丝胶蛋白的分解。 构成：在蛋白质精制过程中收集丝胶蛋白的方法包括：将氯化钙置于蛋白质混合溶液中以除去皂的步骤; 添加能使盐析和加热的盐的步骤; 冷却以获得丝胶蛋白的pH 6-8的步骤; 将丝胶蛋白溶液通入胰蛋白酶固定珠反应器以收集10kDa或更少的丝胶蛋白的步骤。 蛋白质混合物溶液含有0.1-0.5重量％，1-4重量％的丝氨酸和95.5-98.9重量％的水。
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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-
Patent Agency Ranking6.发明公开신규한 ＰＶＤＦ 중공사막 제조용 고분자 수지, 막오염 저항성이 우수한 ＰＶＤＦ 중공사막, 및 이의 제조방법 有权聚偏二氟乙烯型中空纤维膜的新型聚合物树脂，PVDF中空纤维膜，具有耐腐蚀性膜污染及其制备方法
公开(公告)号：KR1020110052244A
公开(公告)日：2011-05-18
申请号：KR1020090109198
申请日：2009-11-12
Applicant: 한국화학연구원
CPC classification number: B01D71/34 , B01D67/0006 , B01D2323/12 , B01D2325/20
Abstract: PURPOSE: Polyvinylidenefluoride type hollow fiber membrane, a novel polymer resin of the polyvinylidenefluoride type hollow fiber membrane, and a preparing method of the same are provided to implement water purifying process with respect to waste water. CONSTITUTION: A polymer resin of the polyvinylidenefluoride type hollow fiber membrane includes polyvinylidene fluoride, a good solvent, a poor solvent, and a pore forming agent. 20 to 40 weight% of the polyvinylidene fluoride is included in the resin. The good solvent includes 15 to 60 weight% of one or more selected from dimethylformamide and dimethyl sulfuroxide. The poor solvent includes 10 to 50 weight% of ethylene carbonate. 1 to 5 weight% of the pore forming agent is included in the resin.
Abstract translation: 目的：提供聚偏二氟乙烯型中空纤维膜，聚偏二氟乙烯型中空纤维膜的新型聚合物树脂及其制备方法，以实现废水的净水处理。 构成：聚偏二氟乙烯型中空纤维膜的聚合物树脂包括聚偏二氟乙烯，良溶剂，不良溶剂和成孔剂。 树脂中含有20〜40重量％的聚偏二氟乙烯。 良溶剂包括15至60重量％的选自二甲基甲酰胺和二甲基亚砜的一种或多种。 不良溶剂包括10至50重量％的碳酸亚乙酯。 树脂中含有1〜5重量％的成孔剂。
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公开(公告)号：KR101068999B1
公开(公告)日：2011-09-30
申请号：KR1020080117376
申请日：2008-11-25
Applicant: 한국화학연구원
IPC: B01D71/00
Abstract: 본 발명은 수열 안정성이 향상된 금속/세라믹 복합막의 제조방법에 관한 것으로서, 더욱 상세하게는 다공성 금속 지지체에 콜로이드 용액을 코팅한 뒤 열에 강하고 수용액에 용해성이 낮은 물질을 콜로이드 입자의 표면에 화학적으로 결합시키는 일련의 공정으로 이루어지며, 공정의 반복이 가능하면서도 기존 지지체의 투과도를 유지함으로써 기존의 코팅-건조-소성의 코팅 방법이 적용된 복합막에 비하여 월등히 높은 투과도를 보이고, 소성과정 및 장시간의 건조가 필요치 않음으로써 코팅시간의 단축과 비용의 감소를 얻을 수 있을 뿐만 아니라 내열성과 내수성이 우수하여, 특히 수 처리 분야에 유용하게 적용될 수 있는 금속/세라믹 복합막의 제조방법에 관한 것이다.
수열 안정성, 금속/세라믹 복합막-
公开(公告)号：KR101035716B1
公开(公告)日：2011-05-19
申请号：KR1020090042778
申请日：2009-05-15
Applicant: 한국화학연구원
Abstract: 본 발명은 단백질 정련공정에서 저분자량의 세리신을 회수하는 방법에 관한 것으로서, 더욱 상세하게는 단백질 정련공정 중 버려지는 유용한 단백질인 세리신을 회수함에 있어서, 염해(salting-in) 가능한 염과 효소 고정화 비드를 이용하여 중량평균 분자량이 10 ~ 25 kD인 세리신 분해 시 발생하는 세리신 단백질 응축 현상을 해결한 효율적인 중량평균 분자량이 10 kD 이하인 저분자량 세리신을 회수하는 방법에 관한 것이다.
단백질 정련공정, 저분자량의 세리신, 회수, 염해, 효소 고정화 비드-
公开(公告)号：KR1020100058824A
公开(公告)日：2010-06-04
申请号：KR1020080117376
申请日：2008-11-25
Applicant: 한국화학연구원
IPC: B01D71/00
Abstract: PURPOSE: A manufacturing method of a metal/ceramics composite film is provided to reduce manufacturing time and manufacturing costs, and to strengthened hydrothermal stability while maintaining a pore size and pore volume of the composite film. CONSTITUTION: A manufacturing method of a metal/ceramics composite film comprises the following steps; the metal/ceramics composite film in which non metallic oxide is coated and hydrophilized; drying the hydrated composite film in 200 ~ 400 °C for 30 ~ 2 minutes; making chemical bond with a titanium precursor on the surface of metal or non metallic oxide; washing the residual titanium precursor solution within the composite film in which the titanium precursor is combined by the alcohol; and forming a titanium oxide layer. The metal or the non metallic oxide is silica, alumina, and ceria or zirconia.
Abstract translation: 目的：提供金属/陶瓷复合膜的制造方法，以减少制造时间和制造成本，并且在保持复合膜的孔径和孔体积的同时提高水热稳定性。 构成：金属/陶瓷复合膜的制造方法包括以下步骤： 其中非金属氧化物被涂覆并亲水化的金属/陶瓷复合膜; 将水合复合膜在200〜400℃下干燥30〜2分钟; 与金属或非金属氧化物表面的钛前体化学键合; 在其中钛前驱物被醇组合的复合膜内洗涤残留的钛前体溶液; 并形成氧化钛层。 金属或非金属氧化物是二氧化硅，氧化铝和二氧化铈或氧化锆。
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公开(公告)号：KR1020090055438A
公开(公告)日：2009-06-02
申请号：KR1020070122364
申请日：2007-11-28
Applicant: 한국화학연구원
IPC: B01D69/00
Abstract: A manufacturing method of metallic microfiltration hollow fiber membranes with multiple channels and a manufacturing of microfiltration membranes with uniform pores are provided to perform processes successively and to offer easy usability. A manufacturing method of metallic microfiltration hollow fiber membranes with multiple channels includes a step for manufacturing a metallic hollow fiber filter having the multiple channels by pressurizing a metal solution with a range of 0.1~5 pressure and a step for manufacturing a microfiltration membranes by plasticizing the hollow fiber filter at a temperature of 600~1000 °C. In metal solution, a metal of concentration of 0.1~3 weight% is contained.
Abstract translation: 提供具有多个通道的金属微滤中空纤维膜的制造方法和具有均匀孔的微滤膜的制造，以连续地进行处理并提供易于使用。 具有多个通道的金属微滤中空纤维膜的制造方法包括通过加压0.1〜5的压力的金属溶液制造具有多个通道的金属中空纤维过滤器的步骤，以及通过使 中空纤维过滤器，温度为600〜1000℃。 在金属溶液中含有浓度为0.1〜3重量％的金属。
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