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公开(公告)号：KR1020090032728A
公开(公告)日：2009-04-01
申请号：KR1020070098194
申请日：2007-09-28
Applicant: 한국화학연구원
IPC: B01D71/42
Abstract: A manufacturing method of adsorption-selective activated carbon hollow fiber membranes is provided to offer superior energy efficiency, excellent mechanical strength, and high permeability also about compressive gas of low concentration. A manufacturing method of adsorption-selective activated carbon hollow fiber membranes comprises the following steps of: manufacturing a spinning solution by dissolving 5 ~ 30 weight% of a polymer resin including polyacrylonitrile and 5 ~ 30 weight% of pitch into 60 ~ 90 weight% of an organic solvent; manufacturing a hollow fiber membrane by performing a wet spinning process with water or a mixture of water and an organic solvent; oxidizing the heated hollow fiber membrane; carbonizing the hollow fiber membrane by rotating the membrane in a tube furnace; and activating the hollow fiber membrane by using nitrogen gas in the heated hollow fiber membrane.
Abstract translation: 提供吸附选择性活性炭中空纤维膜的制造方法，以提供优异的能量效率，优异的机械强度和对低浓度的压缩气体的高渗透性。 吸附选择活性炭中空纤维膜的制造方法包括以下步骤：通过将5〜30重量％的包含聚丙烯腈的聚合物树脂和5〜30重量％沥青的聚合物树脂溶解在60〜90重量％的 有机溶剂; 通过用水或水和有机溶剂的混合物进行湿法纺丝工艺制造中空纤维膜; 氧化加热的中空纤维膜; 通过在管式炉中旋转膜来碳化中空纤维膜; 并通过在加热的中空纤维膜中使用氮气来活化中空纤维膜。
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公开(公告)号：KR100797141B1
公开(公告)日：2008-01-23
申请号：KR1020060081384
申请日：2006-08-26
Applicant: 한국화학연구원
IPC: C01B31/08
CPC classification number: C01B32/366 , B01J20/20 , B01J20/28019 , B01J20/28066 , C01B32/384 , C01P2004/32 , C01P2006/12
Abstract: A method for preparing spherical activated carbon granules is provided to improve the productivity of the spherical activated carbon granules, by rotating a mixture of pitch powder and carbon-based powder to form the spherical granules. Spherical activated carbon granules are prepared by using pitch as a starting source, and performing a rounding process, an oxidizing process, a carbonizing process, and an activating process. In the rounding process, spherical granules are formed by mixing pitch powder of no less than 120 mesh and carbon-based powder of no less than 200 mesh into each other and rotating the mixture while adding a water-soluble polymer solution into the mixture. Further, 60-90 wt.% of pitch powder is mixed with 10-40 wt.% of carbon powder.
Abstract translation: 提供制备球形活性炭颗粒的方法，通过旋转沥青粉和碳基粉末的混合物形成球形颗粒来提高球形活性炭颗粒的生产率。 球形活性炭颗粒通过使用沥青作为起始原料，并进行四舍五入法，氧化法，碳化法和活化法制备。 在四舍五入法中，通过将不少于120目的沥青粉末和不少于200目的碳基粉末混合并在混合物中加入水溶性聚合物溶液旋转混合物形成球形颗粒。 此外，60-90重量％的沥青粉与10-40重量％的碳粉混合。
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公开(公告)号：KR1020050113974A
公开(公告)日：2005-12-05
申请号：KR1020040039152
申请日：2004-05-31
Abstract: 본 발명은 가솔린 분리용 고효율 다중활성층 복합막 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 다공성 고분자 지지체상에, 나일론계, 실리콘계 및 폴리아마이드계 중에서 선택된 고분자층이 적층되어 다중활성층이 형성되어 있고, 상기 다중활성층을 형성하는 각 활성층에 함유되는 고분자는 서로 다른 다중활성층 복합막으로, 방향족 탄화수소의 선택성 및 내화학성과 같은 안정성이 월등하게 향상된 가솔린 분리용 고효율 다중활성층 복합막 및 이의 제조방법에 관한 것이다.
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公开(公告)号：KR100463020B1
公开(公告)日：2004-12-23
申请号：KR1020020046990
申请日：2002-08-09
Applicant: 한국화학연구원
Abstract: PURPOSE: A method for preparing an acryl-based polymer nano water dispersion is provided, to improve the environmental-friendliness of the acryl-based polymer nano water dispersion used in polymer cement and the tensile strength of the polymer cement. CONSTITUTION: The method comprises the steps of stirring the mixture comprising 45-55 parts by weight of an acryl-based monomer, 0.8-1.2 parts by weight of polyoxyethylene lauryl ether represented by C12H25O(C2H4O)nH (wherein n is 21-50) as a nonionic surfactant and 25-35 parts by weight distilled water at a temperature of 40-70 deg.C to prepare a stable monomer emulsion; stirring the mixture comprising 35-45 parts by weight of distilled water and 0.04-0.06 parts by weight of an anionic surfactant at a temperature of 60-80 deg.C and adding 0.2-1.5 parts by weight of an initiator to prepare an aqueous solution mixture; and continuously dropping the monomer emulsion to the aqueous solution mixture to perform the emulsion polymerization. The obtained acryl-based polymer nano water dispersion has a particle size of 315-350 nm and a polymer solid content of 37-41 wt%.
Abstract translation: 目的：提供一种制备基于丙烯酰基的聚合物纳米水分散体的方法，以改善聚合物水泥中使用的基于丙烯酰基的聚合物纳米水分散体的环境友好性和聚合物水泥的拉伸强度。 构成：该方法包括如下步骤：搅拌包含45-55重量份丙烯酸类单体，0.8-1.2重量份由C 12 H 25 O（C 2 H 4 O）n H表示的聚氧乙烯月桂醚（其中n为21-50） 作为非离子表面活性剂和25-35重量份的蒸馏水，在40-70℃的温度下制备稳定的单体乳液; 在60〜80℃的温度下搅拌包含35〜45重量份蒸馏水和0.04〜0.06重量份阴离子表面活性剂的混合物，并加入0.2〜1.5重量份引发剂以制备水溶液 混合物; 并将单体乳液连续滴加到水溶液混合物中进行乳液聚合。 所得到的丙烯酸类聚合物纳米水分散体的粒径为315〜350nm，聚合物固体成分为37〜41重量％。
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公开(公告)号：KR100447944B1
公开(公告)日：2004-09-08
申请号：KR1020010053925
申请日：2001-09-03
Applicant: 한국화학연구원
Abstract: PURPOSE: Provided is a method for producing nano composite of a polymer and kaolinite, whereby it is possible to produce a space to which a monomer of a polymer a polymer dissolved in a solvent can be readily inserted and to introduce a melted polymer into an interlayer. CONSTITUTION: The method includes the steps of reacting a layered compound of kaolinite with a low-molecular polar organic compound to reduce the attractive force between layers of the layered compound; reacting the layered compound with a nitrogen-containing linear compound to make the layered compound lipophilic; and introducing a polymer between the layers of the layered compound. The layered compound of kaolinite is a natural or synthesized layered compound of kaolinite and selected from kaolinite, dickite, nacrite and halloysite.
Abstract translation: 目的：提供一种制备聚合物和高岭石的纳米复合材料的方法，由此可以产生聚合物溶解在溶剂中的聚合物单体容易插入其中的空间并将熔融聚合物引入中间层 。 组成：该方法包括以下步骤：使高岭石的层状化合物与低分子量极性有机化合物反应以降低层状化合物的层之间的吸引力; 使层状化合物与含氮线性化合物反应以使层状化合物亲油; 并在层状化合物的层之间引入聚合物。 高岭石的层状化合物是天然或合成的高岭石层状化合物，并选自高岭石，地开石，珍珠陶土和埃洛石。
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Patent Agency Ranking
公开(公告)号：KR1020040073712A
公开(公告)日：2004-08-21
申请号：KR1020030009387
申请日：2003-02-14
IPC: C01B39/38
CPC classification number: C01B39/38 , C01P2004/50 , C01P2004/61 , C01P2004/62
Abstract: PURPOSE: A process for preparing environmentally friendly ZSM-5 type zeolite having high unit productivity is provided. CONSTITUTION: The process for preparing ZSM-5 type zeolite comprises a step of proceeding hydrogelation reaction by adding a sodium aluminate aqueous solution to a composition silica source in which the inside of pores of the support is activated by adding water and sodium hydroxide aqueous solution to a porous silica support in such a way that composition for the whole reactant is controlled as in the following formula 1:£Na2O|4 to 11£Al2O3|1.0£SiO2|25 to 100£H2O|900 to 4500; and a step of hydrothermal synthesizing the whole reactant as agitating the whole reactant, wherein the porous silica support is an amorphous silica selected from white carbon, silica gel and fumed silica.
Abstract translation: 目的：提供一种制备具有高单位生产率的环保型ZSM-5型沸石的方法。 构成：制备ZSM-5型沸石的方法包括通过向组合物二氧化硅源中加入铝酸钠水溶液进行水凝胶化反应的步骤，其中载体孔的内部通过将水和氢氧化钠水溶液加入 一种多孔二氧化硅载体，使得整个反应物的组成如下式1所控制：£Na2O | 4至11£Al2O3 | 1.0£SiO2 | 25至100H2O | 900至4500; 和搅拌整个反应物的水热合成整个反应物的步骤，其中多孔二氧化硅载体是选自白炭黑，硅胶和煅制二氧化硅的无定形二氧化硅。
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公开(公告)号：KR100435520B1
公开(公告)日：2004-06-10
申请号：KR1020020014696
申请日：2002-03-19
Applicant: 한국화학연구원
IPC: C08F6/12
Abstract: PURPOSE: A method for preparing a spherical low molecular weight polyethylene wax is provided, to simplify the reaction and to reduce the cost by using no polymerization catalyst and employing no pulverizing or separating process. CONSTITUTION: The method comprises the steps of heating a low molecular weight polyethylene wax at a temperature above a melting point to evaporate the unreacted oil component contained in the wax and to remove the deposited ash; dissolving the low molecular weight polyethylene wax in a good solvent to prepare a transparent homogeneous solution; heating a non-solvent having no dissolving power to the low molecular weight polyethylene wax, at a temperature above a melting point of the low molecular weight polyethylene wax; mixing the homogeneous solution and the non-solvent; cooling the obtained mixture to a temperature below the crystallization temperature of the low molecular weight polyethylene wax to prepare an emulsion by emulsion crystallization; and filtering the emulsion to obtain a spherical low molecular weight polyethylene wax, washing the spherical low molecular weight polyethylene wax with a solvent to remove the good solvent and non-solvent contained in the wax and drying the spherical low molecular weight polyethylene wax. Preferably the good solvent is a linear alkanol; and the non-solvent is a divalent alcohol or a polyol.
Abstract translation: 目的：提供一种制备球形低分子量聚乙烯蜡的方法，以简化反应并通过不使用聚合催化剂和不使用粉碎或分离过程来降低成本。 组成：该方法包括以下步骤：在高于熔点的温度下加热低分子量聚乙烯蜡以蒸发蜡中所含的未反应油组分，并除去沉积灰; 将低分子量聚乙烯蜡溶解在良溶剂中以制备透明均匀溶液; 在高于低分子量聚乙烯蜡的熔点的温度下将不具有溶解力的非溶剂加热至低分子量聚乙烯蜡; 混合均匀溶液和非溶剂; 将所得混合物冷却至低于低分子量聚乙烯蜡的结晶温度的温度以通过乳液结晶制备乳液; 并过滤乳液以获得球形低分子量聚乙烯蜡，用溶剂洗涤球形低分子量聚乙烯蜡以除去蜡中所含的良溶剂和非溶剂并干燥球形低分子量聚乙烯蜡。 优选的良溶剂是直链烷醇; 非溶剂是二元醇或多元醇。
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68.发明授权
公开(公告)号：KR100434942B1
公开(公告)日：2004-06-10
申请号：KR1020010029667
申请日：2001-05-29
Applicant: 한국화학연구원
IPC: C08F259/06
Abstract: PURPOSE: A method for preparing the graft polymer of a polyvinylidene fluoride resin and an acryl derivative and its polymerization apparatus are provided to use little solvent, to reduce the reaction time, to improve the graft rate and to modify the surface of the polymer. CONSTITUTION: The method comprises the steps of putting a solid polyvinylidene fluoride resin supplying the main chain of a linear polymer into a solid state polymerization reactor; purging nitrogen gas to remove the oxygen present in the reactor; heating the temperature to 90-120 deg.C; injecting a solid state initiator to generate radicals at the polymerization reaction temperature; spraying a liquid acryl derivative in the state of aerosol; and reacting it at the polymerization reaction temperature for 10-50 min after the injection of an initiator. Preferably the initiator is benzoyl peroxide, and the acryl derivative is selected from the group consisting of acrylic acid, methacrylic acid and glycidyl methacrylate.
Abstract translation: 目的：提供一种制备聚偏二氟乙烯树脂和丙烯酰基衍生物的接枝聚合物及其聚合装置的方法，以使用少量溶剂，缩短反应时间，提高接枝率和改性聚合物表面。 构成：该方法包括以下步骤：将供给线性聚合物主链的固体聚偏二氟乙烯树脂放入固态聚合反应器中; 吹扫氮气以除去存在于反应器中的氧气; 将温度加热到90-120℃; 在聚合反应温度下注入固态引发剂以产生自由基; 以气溶胶状态喷雾液体丙烯酰基衍生物; 并在引发剂注入后在聚合反应温度下反应10-50分钟。 优选引发剂是过氧化苯甲酰，丙烯酰基衍生物选自丙烯酸，甲基丙烯酸和甲基丙烯酸缩水甘油酯。
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公开(公告)号：KR1020040031921A
公开(公告)日：2004-04-14
申请号：KR1020020061061
申请日：2002-10-07
Applicant: 한국화학연구원
IPC: B01D71/06
CPC classification number: B01D71/06 , B01D53/228 , B01D69/10
Abstract: PURPOSE: A method for fabricating ionic liquid supported liquid membrane for gas separation is provided. The method uses ionic liquid which maintains liquid status over a wide temperature range and has no vapor pressure as liquid membrane raw material, and produces liquid membrane by phase separation process, so that the method can uniformly disperse ionic liquid to a support polymer and easily produce stable liquid membrane. CONSTITUTION: The method comprises the steps of (a) preparing ionic liquid being kept in liquid phase over a wide temperature range and having no vapor pressure, (b) preparing a support polymer with low gas permeability and good mechanical properties, (c) dissolving the prepared ionic liquid and the support polymer in a common solvent, (d) making a film using a solution obtained at the step (c), (e) removing the common solvent by phase separation in which a first phase separation process is performed at a temperature of 20 to 40°C and relative humidity of 30 to 40% and a second process is performed at a temperature of 60 to 90°C, thereby producing a domain in which ionic liquid is immobilized into a support polymer, wherein the ionic liquid is 1-alkyl-3-methylimidazolium cation and the polymer is selected from a group consisted of polyvinylidene fluoride, polyacrylonitrile, polysulfone, cellulose acetate, and polyvinylidene fluoride copolymer.
Abstract translation: 目的：提供一种制备用于气体分离的离子液体支撑液膜的方法。 该方法使用在宽温度范围内保持液体状态并且没有蒸气压作为液膜原料的离子液体，并且通过相分离方法生产液膜，使得该方法可以将离子液体均匀分散到支持聚合物上并且容易地产生 稳定液膜。 方法：该方法包括以下步骤：（a）制备在宽温度范围内保持液相并且不具有蒸气压的离子液体，（b）制备低透气性和良好机械性能的支撑聚合物，（c）溶解 所制备的离子液体和载体聚合物在常用溶剂中，（d）使用在步骤（c）中获得的溶液制备膜，（e）通过相分离除去常规溶剂，其中进行第一相分离处理 温度为20〜40℃，相对湿度为30〜40％，第2工序在60〜90℃的温度下进行，从而制成将离子液体固定在载体聚合物中的区域， 液体是1-烷基-3-甲基咪唑鎓阳离子，聚合物选自聚偏二氟乙烯，聚丙烯腈，聚砜，乙酸纤维素和聚偏二氟乙烯共聚物。
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公开(公告)号：KR1020040013883A
公开(公告)日：2004-02-14
申请号：KR1020020046990
申请日：2002-08-09
Applicant: 한국화학연구원
CPC classification number: C08F220/18 , B82B3/00 , C04B24/26 , C08F2/22 , C08F2/26
Abstract: PURPOSE: A method for preparing an acryl-based polymer nano water dispersion is provided, to improve the environmental-friendliness of the acryl-based polymer nano water dispersion used in polymer cement and the tensile strength of the polymer cement. CONSTITUTION: The method comprises the steps of stirring the mixture comprising 45-55 parts by weight of an acryl-based monomer, 0.8-1.2 parts by weight of polyoxyethylene lauryl ether represented by C12H25O(C2H4O)nH (wherein n is 21-50) as a nonionic surfactant and 25-35 parts by weight distilled water at a temperature of 40-70 deg.C to prepare a stable monomer emulsion; stirring the mixture comprising 35-45 parts by weight of distilled water and 0.04-0.06 parts by weight of an anionic surfactant at a temperature of 60-80 deg.C and adding 0.2-1.5 parts by weight of an initiator to prepare an aqueous solution mixture; and continuously dropping the monomer emulsion to the aqueous solution mixture to perform the emulsion polymerization. The obtained acryl-based polymer nano water dispersion has a particle size of 315-350 nm and a polymer solid content of 37-41 wt%.
Abstract translation: 目的：提供一种制备丙烯酸类聚合物纳米水分散体的方法，以改善聚合物水泥中使用的丙烯酸类聚合物纳米水分散体的环境友好性和聚合物水泥的拉伸强度。 方法：该方法包括以下步骤：将包含45-55重量份丙烯酸类单体，0.8-1.2重量份由C12H25O（C2H4O）nH（其中n为21-50）表示的聚氧乙烯月桂基醚） 作为非离子表面活性剂和25-35重量份蒸馏水，在40-70℃的温度下制备稳定的单体乳液; 在60-80℃的温度下搅拌包含35-45重量份蒸馏水和0.04-0.06重量份阴离子表面活性剂的混合物，并加入0.2-1.5重量份引发剂以制备水溶液 混合物; 并将单体乳液连续滴加到水溶液混合物中以进行乳液聚合。 得到的丙烯酸类聚合物纳米水分散体的粒径为315〜350nm，聚合物固体成分为37〜41重量％。
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