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公开(公告)号：KR100482277B1
公开(公告)日：2005-04-13
申请号：KR1020020058538
申请日：2002-09-26
Applicant: 한국과학기술연구원
IPC: B01J39/20
Abstract: 본 발명은 가교된 폴리스티렌(polystyrene) 수지를 이용하는 양이온 교환 수지에 자성체가 도입된, 자성을 띠는 양이온 교환수지 및 이의 제조방법에 관한 것이다. 본 발명에 따른 양이온 교환수지는 자성체와 스티렌을 함유하는 유기 층을 물에 분산시키고 현탁 중합시켜 구형의 폴리스티렌 수지 입자를 제조한 다음, 제조된 수지 입자의 표면에 설폰산기를 도입하는 방법으로 제조된다. 본 발명에 따른 자성 양이온 교환수지는 코발트, 납, 구리, 카드뮴, 니켈, 아연, 크롬 등과 같은 중금속 이온의 제거 및 회수에 사용될 수 있다.
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公开(公告)号：KR100466415B1
公开(公告)日：2005-01-13
申请号：KR1019990023984
申请日：1999-06-24
IPC: C08J5/22
Abstract: PURPOSE: A preparation method of an asymmetric membrane and the asymmetric membrane are provided, which can prepare asymmetric membrane having excellent mechanical intensity and gas selectivity by using chemical gelation. CONSTITUTION: The preparation method contains the steps of; (i) preparing polymer solution by mixing 15-35 wt% of chemical gelated polymer by ultraviolet rays and 65-85 wt% of solvent that doesn't absorb the light having wavelength of ultraviolet ray; (ii) chemically gelating the polymer solution by irradiating the ultraviolet ray; and (iii) preparing the asymmetric membrane by dipping chemically gelated polymer solution to water as nonsolvent and separating phase.
Abstract translation: 目的：提供一种非对称膜和非对称膜的制备方法，通过化学凝胶法制备具有优异机械强度和气体选择性的非对称膜。 组成：制备方法包含以下步骤： （i）通过紫外线混合15-35重量％的化学凝胶聚合物和65-85重量％的不吸收紫外线波长的光的溶剂制备聚合物溶液; （ii）通过照射紫外线使聚合物溶液发生化学凝胶化; 和（iii）通过将化学凝胶聚合物溶液浸渍到水中作为非溶剂和分离相来制备不对称膜。
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公开(公告)号：KR1020040098739A
公开(公告)日：2004-11-26
申请号：KR1020030030974
申请日：2003-05-15
Applicant: 한국과학기술연구원
IPC: C08G73/10
Abstract: PURPOSE: Provided are a sulfonated polyimide copolymer, an electrolyte membrane for a direct methanol fuel cell (DMFC) containing the copolymer which has high hydrogen ion conductivity, a low methanol permeability and an excellent stability and its preparation method. CONSTITUTION: The sulfonated polyimide copolymer is represented by the formula 1, wherein 0
Abstract translation: 目的：提供磺化聚酰亚胺共聚物，含有具有高氢离子传导性，低甲醇渗透性和优异稳定性的共聚物的直接甲醇燃料电池（DMFC）的电解质膜及其制备方法。 构成：磺化聚酰亚胺共聚物由式1表示，其中0
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14.发明公开전이금속염과 이를 물리적으로 분산시킬 수 있는 고분자로구성된 전이금속염-고분자 혼합막 및 다공성 지지막을포함하는 촉진 수송 분리막 失效包含过渡金属盐聚合物膜的便利运输膜，用于从烃混合物和多元支持膜中分离基于烯烃的碳氢化合物
公开(公告)号：KR1020040089187A
公开(公告)日：2004-10-21
申请号：KR1020030022842
申请日：2003-04-11
Applicant: 한국과학기술연구원
IPC: C08J5/22
CPC classification number: C10G31/11 , B01D53/228 , B01D69/142 , C07C7/144 , C07C11/02
Abstract: PURPOSE: A facilitated transport membrane having a transition metal salt-polymer membrane and a multiporous support membrane is provided to have high transmissivity and selectivity against unsaturated hydrocarbons such as alkenes and to keep the activity for a long time without any stability problems such as carrier loss. CONSTITUTION: The facilitated transport membrane for isolating an alkene-based hydrocarbon from a hydrocarbon mixture comprises a transition metal salt-polymer membrane and a multiporous support membrane. The transition metal salt-polymer membrane is composed of a transition metal salt and a polymer which is capable of physically dispersing the transition metal salt, not dissolving and is free of any functional groups forming a complex with the transition metal salt. The polymer is a polyolefin-based polymer or a polysiloxane-based polymer.
Abstract translation: 目的：提供一种具有过渡金属盐 - 聚合物膜和多孔载体膜的便利的输送膜，以对不饱和烃如烯烃具有高透射率和选择性，并保持长时间的活性而没有任何稳定性问题，如载流子损失 。 构成：用于从烃混合物中分离烯烃基烃的促进的输送膜包括过渡金属盐 - 聚合物膜和多孔载体膜。 过渡金属盐 - 聚合物膜由过渡金属盐和能够物理分散过渡金属盐而不溶解并且不含与过渡金属盐形成络合物的任何官能团的聚合物组成。 聚合物是基于聚烯烃的聚合物或基于聚硅氧烷的聚合物。
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公开(公告)号：KR1020040026904A
公开(公告)日：2004-04-01
申请号：KR1020020058538
申请日：2002-09-26
Applicant: 한국과학기술연구원
IPC: B01J39/20
CPC classification number: B01J39/20
Abstract: PURPOSE: Provided is a magnetized cation exchange resin capable of reducing water purification time and being easily recovered and recycled, and a method for manufacturing the same. CONSTITUTION: The cation exchange resin comprises polystyrene resin grain with magnetic substance and cation exchange functional groups, wherein the resin grain and the magnetic substance are 100 to 300 μm and 5 μm in size, respectively, and wherein the cation exchange functional group is sulfonic acid. The method comprises the steps of (a) dispersing magnetic substance, styrene, cross-linking agent, dispersing polymerization initiator, thereby obtaining suspension, wherein in the suspension, organic material such as the styrene and initiator and water are mixed with a mixing ratio of 1:20 in weight, the dispersing agent is 0.1 wt.% with respect to water, and the initiator is about 2 wt.% with respect to the total organic material, (b) causing suspension polymerization in the suspension at 70 to 80°C, thereby obtaining spherical magnetic polystyrene grains, and (c) immobilizing cation exchange functional groups into the grains, wherein the cross-linking agent, the dispersing agent and the polymerization initiator are divinyl, poly vinyl alcohol, and azobis(isobutyronitrile), respectively, and wherein a solvent used in the step (c) is dichloroethane.
Abstract translation: 目的：提供能够减少水净化时间并易于回收和再循环的磁化阳离子交换树脂及其制造方法。 构成：阳离子交换树脂包括具有磁性物质的聚苯乙烯树脂颗粒和阳离子交换官能团，其中树脂颗粒和磁性体的大小分别为100-300μm和5μm，其中阳离子交换官能团是磺酸 。 该方法包括以下步骤：（a）分散磁性物质，苯乙烯，交联剂，分散聚合引发剂，从而获得悬浮液，其中在悬浮液中，将有机材料如苯乙烯和引发剂和水以混合比 1:20，分散剂相对于水为0.1重量％，引发剂相对于总有机材料为约2重量％，（b）使悬浮液中的悬浮聚合在70〜80℃ （c）将阳离子交换官能团固定在晶粒中，其中交联剂，分散剂和聚合引发剂分别为二乙烯基，聚乙烯醇和偶氮二异丁腈（异丁腈） ，其中步骤（c）中使用的溶剂是二氯乙烷。
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Patent Agency Ranking
公开(公告)号：KR100379250B1
公开(公告)日：2003-04-08
申请号：KR1020000072958
申请日：2000-12-04
Applicant: 한국과학기술연구원
CPC classification number: C23C18/14 , H01B1/22 , H01C17/06586 , Y10T428/12007
Abstract: The present invention relates to composite polymers containing nanometer-sized metal particles and manufacturing method thereof, which can be uniformly dispersed nanometer-sized metal particles into polymers, thereby allowing the use thereof as optically, electrically and magnetically functional materials. The method for manufacturing composite polymers containing nanometer-sized metal particles includes the steps of: dispersing at least one metal precursor into a matrix made of polymers in a molecule level; and irradiating rays of light on the matrix containing the metal precursors dispersed in the molecule level and reducing the metal precursors into metals and fixing nanometer sized metal particles inside of matrix.
Abstract translation: 本发明涉及含有纳米尺寸金属颗粒的复合聚合物及其制造方法，其可以将纳米级金属颗粒均匀分散到聚合物中，从而允许其用作光学，电学和磁学功能材料。 用于制造含有纳米级金属颗粒的复合聚合物的方法包括以下步骤：将至少一种金属前体分散到由分子水平的聚合物制成的基质中; 并且将光线照射在含有分子级分散的金属前体的基体上，并将金属前体还原成金属并将纳米尺寸的金属颗粒固定在基体内。
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公开(公告)号：KR100379248B1
公开(公告)日：2003-04-08
申请号：KR1020000072959
申请日：2000-12-04
Applicant: 한국과학기술연구원
IPC: C08K3/00
CPC classification number: C08G83/003 , C08F8/42 , C08G83/001 , Y10S977/773 , Y10S977/788
Abstract: Disclosed is an inorganic-organic hybrid polymer composed of nano-particles on the surface using a dendrimer and a manufacturing method thereof, in which nanometer-sized inorganic (metal) particles are uniformly dispersed across the surface of the polymer and available as optically, electrically and magnetically functional materials. The method includes the steps of: forming a functional anhydride group on a polymer-based matrix; selectively adding metal or inorganic salts to the dendrimer to prepare either of dendrimer-metal precursor solution or dendrimer-inorganic particle solution; inducing the reaction between the functional anhydride group of the surface of polymer matrix with the solution to form a chemical bond between the matrix and the dendrimer; and reducing the metal ions or inorganic particle by irradiation of light.
Abstract translation: 公开了一种使用树状聚合物在表面上由纳米颗粒组成的无机 - 有机杂化聚合物及其制造方法，其中纳米尺寸的无机（金属）颗粒均匀分散在聚合物表面上并可作为光学，电学 和磁性功能材料。 该方法包括以下步骤：在基于聚合物的基质上形成官能酸酐基团; 向树枝状聚合物中选择性地加入金属或无机盐以制备树枝状聚合物 - 金属前体溶液或树枝状聚合物 - 无机颗粒溶液中的任一种; 诱导聚合物基质表面的官能酸酐基团与溶液之间的反应以在基质和树枝状聚合物之间形成化学键; 并通过光照射还原金属离子或无机颗粒。
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公开(公告)号：KR100315896B1
公开(公告)日：2001-12-24
申请号：KR1019990065673
申请日：1999-12-30
Applicant: 한국과학기술연구원
IPC: B01D61/44
CPC classification number: C10G31/11 , B01D67/0011 , B01D69/142 , B01D2323/08 , B01D2323/12 , B01D2325/26 , C07C7/144
Abstract: 본발명은고체고분자전해질을이용하여제조한안정성이좋고알켄계불포화탄화수소의투과성및 선택성이개선된비휘발성촉진수송분리막에관한것이다. 본발명에따라, 알켄계탄화수소를분리하기위한촉진수송분리막을제조하는데있어서알켄과선택적및 가역적으로착체를형성할수 있는전이금속의염과비휘발성고분자로구성된고체고분자전해질층을다공성지지막위에형성시켜촉진수송분리막을제조한다. 이렇게제조된촉진수송분리막은알켄계탄화수소에대한투과성과선택성이높을뿐만아니라장시간의운전상황에서도고체고분자전해질안에있는금속과고분자리간드의착체가알켄의운반체로서의활성을오랫동안지속하는특성을나타낸다.
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公开(公告)号：KR1020010065738A
公开(公告)日：2001-07-11
申请号：KR1019990065673
申请日：1999-12-30
Applicant: 한국과학기술연구원
IPC: B01D61/44
CPC classification number: C10G31/11 , B01D67/0011 , B01D69/142 , B01D2323/08 , B01D2323/12 , B01D2325/26 , C07C7/144
Abstract: PURPOSE: A facilitated transport membrane using solid polymer electrolyte is provided, which can separate selectively hydrocarbon of alkene series by forming complex of polymer ligand and metal ion of metal salt which is present in polymer electrolyte and non-volatile polymer and by promoting transportation of alkene that is caused by selective and reversible reaction of double bond of alkene and metal ion, the system being suitable for actual process of alkene/alkane separation. CONSTITUTION: The membrane is a complex separation membrane which is composed of transition metal salt that can react selectively and reversibly with alkene and non-volatile polymer and consists of polymer electrolyte layer that is solid state at operating temperature and porous supporting membrane, the selective permeability expressed by the square of pure alkene permeability/pure alkane permeability for hydrocarbon mixture feed to be separated being 100GPU (10¬-4 cm3(STP) per cm2 sec cm Hg).
Abstract translation: 目的：提供使用固体高分子电解质的促进输送膜，通过形成聚合物配体与聚合物电解质和非挥发性聚合物中存在的金属盐的金属离子和通过促进烯烃的输送，选择性地分离烯烃系的烃 这是由烯烃和金属离子双键的选择性和可逆反应引起的，该系统适用于烯烃/烷烃分离的实际工艺。 构成：膜是一种复杂的分离膜，由过渡金属盐组成，可以与烯烃和非挥发性聚合物选择性和可逆反应，由在操作温度下为固态的聚合物电解质层和多孔支撑膜组成，选择性渗透率 由待分离的烃混合物进料的纯烯烃渗透性/纯烷烃渗透性的平方表示为100GPU（每cm 2 sec cm Hg为10 -4 cm 3（STP））。
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