公开(公告)号：KR1020050041668A

公开(公告)日：2005-05-04

申请号：KR1020030076916

申请日：2003-10-31

Applicant: 한국과학기술원 ,  (주)아이블포토닉스

Inventor： 박정기 ,  김원선 ,  장형석

IPC: C08F2/46

CPC classification number: G03F7/004 ,  C08F220/06 ,  C08F220/10

Abstract: 본 발명은 광중합 가능한 단량체, 광개시제 및 고분자 바인더를 포함하는 광고분자 조성물에 있어서, 극성인 공단량체를 중합과정에 도입시켜 얻어지는 개질된 폴리(메타)아크릴레이트를 고분자 바인더로 함을 특징으로 하는 광고분자 조성물을 제공한다.

公开(公告)号：KR100484499B1

公开(公告)日：2005-04-20

申请号：KR1020020049549

申请日：2002-08-21

Applicant: 한국과학기술원

Inventor： 박정기 ,  신승식 ,  조기윤 ,  이백현 ,  엄지용

IPC: H01M8/02

Abstract: 본 발명은 불화수소계열 고분자와 주쇄가 퍼플루오로네이트계인 이오노머를 포함하는 직접 메탄올 연료전지용 고분자 전해질 조성물에 있어서, 주쇄가 탄화수소계인 이오노머 예를 들면 술폰화된 스티렌계 고분자 이오노머, 아크릴산계 고분자 이오노머 및 이들 고분자 이오노머의 2종 이상의 혼합 이오노머를 포함하는 직접 메탄올 연료전지용 고분자 전해질 조성물을 개시한다.
상기 구성에 의하면 종래 사용되는 직접 메탄올 연료전지용 고분자막에 비해 메탄올 크로스오버를 최소화하고, 두께가 얇으면서도 기계적 물성 및 수소이온 전도 특성이 우수한 고분자 전해질을 제조할 수 있다.

公开(公告)号：KR100425585B1

公开(公告)日：2004-04-06

申请号：KR1020010073009

申请日：2001-11-22

Applicant: 한국전자통신연구원 ,  한국과학기술원

Inventor： 장순호 ,  최남순 ,  박정기

IPC: H01M10/38

Abstract: 리튬 금속 음극의 표면에 덴드라이트 형성을 억제할 수 있는 가교 고분자 보호박막이 형성되어 있는 리튬 고분자 이차 전지 및 그 제조 방법에 관하여 개시한다. 본 발명에 따른 리튬 금속 이차 전지는 리튬 금속 음극과, 상기 리튬 금속 음극의 표면에 형성되어 있는 가교 고분자 보호박막과, 상기 가교 고분자 보호박막 위에 형성된 겔상 고분자 전해질층과, 양극을 포함한다. 상기 가교 고분자 보호박막은 다음 식으로 표시되는 모노머로부터 유도된 유니트 및 리튬염을 포함한다.
CH
2 =CH-CO
2 -(R
1 )-CO
2 -CH=CH
2
식중, R
1 은 -CH
2 CH
2 CH
2 CH
2 -, -CH
2 CH
2 CH
2 CH
2 CH
2 CH
2 -, -(CH
2 CH
2 O)
n - (여기서, n은 3 ∼ 8의 정수), -(CH
2 CH
2 OCH
2 CH
2 CH
2 CH
2 CH
2 CH
2 )-, 또는 -(CH
2 CHCH
3 OCH
2 CH
2 CH
2 CH
2 CH
2 CH
2 )-이다.

Abstract translation: 目的：提供一种锂聚合物二次电池，其能够抑制当电池充电/放电时在锂金属表面上产生的枝晶生长，并改善锂金属阳极与聚电解质之间的界面性质。 构成：电池包括锂金属阳极（10）; 交联聚合物保护薄膜（20），其形成在锂金属阳极的表面上; 在该保护薄膜上形成的凝胶状高分子电解质层（30） 和阴极（40）。 保护性薄膜包含由式1的单体和锂盐诱导的第一单元。 式（1）：其中R 1为-CH 2 CH 2 CH 2 CH 2 - ， - CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 - ， - （CH 2 CH 2 O）n - （其中n为3-8的整数） （CH 2 CH 2 OCH 2 CH 2 CH 2 CH 2 CH 2 CH 2） - ）。

公开(公告)号：KR100420786B1

公开(公告)日：2004-03-02

申请号：KR1020010012152

申请日：2001-03-09

Applicant: 한국과학기술원

Inventor： 박정기 ,  성시준 ,  이종우

IPC: C08F283/04

CPC classification number: C08G73/10 ,  G02F1/133723 ,  G02F1/133788 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1023 ,  Y10T428/31721

Abstract: The present invention provides a polymer in which coumarin, a photo-reactive molecule, is grafted onto a polyimide for preparing liquid crystal alignment layer which has a superior alignment property and an excellent thermal stability in photo-alignment, a process for preparing the said grafted polymer, a process for preparing liquid crystal alignment layer by employing the said grafted polymer, and a liquid crystal alignment layer prepared by the process. The polymer of the invention is prepared by mixing a coumarin compound with a polyimide, dissolving the mixture in an organic solvent, adding a catalyst, and stirring under an environment of N2 gas. The polymer of the invention is superior in terms of the thermal stability, which makes possible its universal application for the development of a novel liquid crystal display(LCD).

Abstract translation: 本发明提供一种聚合物，其中将光敏反应性分子香豆素接枝到聚酰亚胺上以制备具有优异取向性和光取向优异热稳定性的液晶取向层，制备所述接枝 聚合物，通过使用所述接枝聚合物制备液晶取向层的方法，以及通过该方法制备的液晶取向层。 本发明的聚合物通过将香豆素化合物与聚酰亚胺混合，将该混合物溶解在有机溶剂中，加入催化剂，并在N 2气的环境下搅拌来制备。 本发明的聚合物在热稳定性方面优越，这使其可用于开发新型液晶显示器（LCD）的通用应用。

公开(公告)号：KR1020040017477A

公开(公告)日：2004-02-27

申请号：KR1020020049549

申请日：2002-08-21

Applicant: 한국과학기술원

Inventor： 박정기 ,  신승식 ,  조기윤 ,  이백현 ,  엄지용

IPC: H01M8/02

Abstract: PURPOSE: Provided is a polymer electrolyte composition for a direct methanol fuel cell, which minimizes the crossover of methanol, and has a small thickness and excellent mechanical properties and hydrogen ion conductivity. CONSTITUTION: The polymer electrolyte composition comprises a hydrogen fluoride-based polymer and a perfluorinated ionomer as a main chain, wherein the polymer electrolyte composition further comprises a hydrocarbon based-ionomer as a main chain. In particular, the hydrocarbon-based ionomer as a main chain is selected from the group consisting of a sulfonated styrene polymeric ionomer, an acrylate polymeric ionomer and a mixed ionomer containing two or more of the aforesaid polymeric ionomers.

Abstract translation: 目的：提供一种用于直接甲醇燃料电池的聚合物电解质组合物，其最小化了甲醇的交叉，并且具有小的厚度和优异的机械性能和氢离子传导性。 构成：聚合物电解质组合物包含氟化氢系聚合物和全氟化离聚物作为主链，其中，高分子电解质组合物还含有作为主链的烃系离聚物。 特别地，作为主链的烃基离聚物选自磺化苯乙烯聚合离聚物，丙烯酸酯聚合离聚物和含有两种或多种上述聚合物离聚物的混合离聚物。

公开(公告)号：KR1020030081776A

公开(公告)日：2003-10-22

申请号：KR1020020020154

申请日：2002-04-12

Applicant: 한국과학기술원

Inventor： 박정기 ,  신승식 ,  최남순 ,  이백현

IPC: H01G11/38

CPC classification number: Y02E60/13

Abstract: PURPOSE: An electric double layer capacitor and a manufacturing method thereof are provided to increase the capacity of a capacitor by using a carboxymethylcellulose as a binder and adjusting contents of an activated carbon and a conductor. CONSTITUTION: A collector of the electric double layer capacitor is coated with an activated carbon of 70 to 90 wt%, a conductive material of 4 to 20 wt%, and a binder of 6 to 10 wt%. The activated carbon has a specific surface of 1000 to 3500 m¬2/g and a pore of 20 to 500 Å. The conductive material is an acetylene black or a carbon black. The binder binds the activated carbon and the conductive material and is a carboxymethylcellulose. The mixture of the activated carbon, the conductive material, and the binder is deposited on the collector with a thickness of below 100 μm, preferably 20 to 40 μm to maximize the capacity of a capacitor.

Abstract translation: 目的：提供一种双电层电容器及其制造方法，以通过使用羧甲基纤维素作为粘合剂并调节活性炭和导体的含量来增加电容器的容量。 构成：电双层电容器的集电体涂覆有70〜90重量％的活性炭，4〜20重量％的导电材料和6〜10重量％的粘合剂。 活性炭的比表面积为1000〜3500m2 / g，孔径为20〜500。 导电材料是乙炔黑或炭黑。 粘合剂结合活性炭和导电材料，并且是羧甲基纤维素。 将活性炭，导电材料和粘合剂的混合物沉积在集电体上，厚度低于100μm，优选为20至40μm，以使电容器的容量最大化。

公开(公告)号：KR100389121B1

公开(公告)日：2003-06-25

申请号：KR1020010017477

申请日：2001-04-02

Applicant: 한국과학기술원

Inventor： 박정기 ,  강능은 ,  최남순

IPC: C08F220/00

Abstract: PURPOSE: An ionomer conductive polymer electrolyte is provided, to improve the mechanical properties, the flexibility and the ion conductivity of an electrolyte by employing an acrylate-based ionomer and an ethylene oxide-based ionomer. CONSTITUTION: The ionomer conductive polymer electrolyte comprises a mixture of an acrylate-based ionomer and an ethylene oxide-based ionomer of 9:1 and 3:7 by weight and an inorganic material. The mixture is dissolved in an organic solvent whose content is 200-800 wt% based on the weight of the acrylate-based ionomer. The content of the inorganic material is 10-100 wt% based on the weight of the acrylate-based ionomer. Preferably the acrylate-based ionomer has a mean molecular weight of 10-1,000 kDa and is selected from the group consisting of polymethyl acrylate, polyethyl acrylate, polybutyl acrylate, polymethyl methacrylate, polyethyl methacrylate, polybutyl methacrylate, polystyrene, poly(vinyl chloride), polymaleic acid, polyacrylonitrile, polyethylene, polypropylene, polyurethane and polyimide-based ionomers, and their copolymers and mixtures. The inorganic material is selected from the group consisting of aluminum oxide, lithium aluminum oxide, silica, zeolite, titanium oxide and their mixtures.

Abstract translation: 目的：提供一种离聚物导电聚合物电解质，以通过使用丙烯酸酯基离聚物和基于氧化乙烯的离聚物改善电解质的机械性能，柔性和离子电导率。 构成：离聚物导电聚合物电解质包含重量比为9:1和3:7的基于丙烯酸酯的离聚物和基于氧化乙烯的离聚物的混合物和无机材料。 基于丙烯酸酯基离聚物的重量，将混合物溶解在含量为200-800重量％的有机溶剂中。 基于丙烯酸酯类离聚物的重量，无机材料的含量为10-100重量％。 优选地，基于丙烯酸酯的离聚物具有10-1,000kDa的平均分子量并且选自由聚丙烯酸甲酯，聚丙烯酸乙酯，聚丙烯酸丁酯，聚甲基丙烯酸甲酯，聚甲基丙烯酸乙酯，聚甲基丙烯酸丁酯，聚苯乙烯，聚氯乙烯， 聚马来酸，聚丙烯腈，聚乙烯，聚丙烯，聚氨酯和聚酰亚胺基离聚物，以及它们的共聚物和混合物。 无机材料选自氧化铝，氧化锂铝，二氧化硅，沸石，氧化钛及其混合物。

公开(公告)号：KR1020030047413A

公开(公告)日：2003-06-18

申请号：KR1020010077893

申请日：2001-12-10

Applicant: 한국과학기술원

Inventor： 박정기 ,  이성남 ,  조국영 ,  성시준

IPC: A61K47/30

CPC classification number: A61K9/0024 ,  A61K38/00 ,  A61K47/10 ,  A61K47/34

Abstract: PURPOSE: An in situ implant composition is provided with a biodegradable polymer containing polyethylene glycol to prevent denaturation of the protein substance within the polymer matrix by forming the movement passage of carboxylic acid, and to control the structure and material property of the polymer by introducing polyethylene glycol. CONSTITUTION: An in situ implant composition contains a biodegradable polymer containing a copolymer of polyethylene glycol and aliphatic polyester, a solvent for dissolving the biodegradable polymer, and a medicament uniformly diffused in the solvent to mediate the biodegradable polymer. The aliphatic polyester polymer is selected from lactic acid, glycolic acid, caprolactone, dioxanone, or trimethyl carbonate. The copolymer is a graft or block copolymer.

Abstract translation: 目的：原位植入组合物提供含有聚乙二醇的可生物降解的聚合物，以通过形成羧酸的移动通道来防止聚合物基质内的蛋白质物质变性，并通过引入聚乙烯来控制聚合物的结构和材料性能 乙二醇。 构成：原位植入物组合物包含含有聚乙二醇和脂肪族聚酯的共聚物的可生物降解的聚合物，用于溶解可生物降解的聚合物的溶剂，以及均匀地扩散到溶剂中以介导可生物降解的聚合物的药物。 脂族聚酯聚合物选自乳酸，乙醇酸，己内酯，二恶烷酮或碳酸三甲酯。 共聚物是接枝或嵌段共聚物。

公开(公告)号：KR1020020074814A

公开(公告)日：2002-10-04

申请号：KR1020010014840

申请日：2001-03-22

Applicant: 한국과학기술원

Inventor： 박정기 ,  윤춘섭 ,  이종우 ,  이광섭 ,  문준호

IPC: C08L33/10

CPC classification number: C08L101/00 ,  G02F1/0018 ,  H01S3/06754

Abstract: PURPOSE: Provided are a polymer composition capable of light-amplifying two beam together without polling and external electrical field, which shows photorefractivity without applying external electrical field, and a method for preparing the same. CONSTITUTION: The polymer composition comprises an optically transparent matrix polymer material; and at least any one of dye which is mixed with the matrix polymer material and changes the refractivity of the matrix polymer material, and polymer material grafted to the dye. The composition of the optically transparent matrix polymer material, and at least any one of dye and polymer grafted to the dye is 5-95 wt% and 5-95 wt%, respectively. The matrix polymer material is any one selected from polyacrylate, polymethacrylate, polyacrylamide, polycarbonate, polyvinylbutyral, polyvinylpyrrolidone, polyurethane, polyester, polyamide, polystyrene, polyimide, phenol, melamine, urea, and so on, and their derivatives and copolymers.

Abstract translation: 目的：提供能够将两束光束放大光束而不轮询和外部电场的聚合物组合物，其在不施加外部电场的情况下显示光折射率及其制备方法。 构成：聚合物组合物包含光学透明的基质聚合物材料; 以及与基质聚合物材料混合并改变基质聚合物材料的折射率的染料和接枝到染料上的聚合物材料中的至少一种。 光学透明基质聚合物材料的组成以及接枝到染料上的染料和聚合物中的至少一种分别为5-95wt％和5-​​95wt％。 基质聚合物材料是选自聚丙烯酸酯，聚甲基丙烯酸酯，聚丙烯酰胺，聚碳酸酯，聚乙烯醇缩丁醛，聚乙烯吡咯烷酮，聚氨酯，聚酯，聚酰胺，聚苯乙烯，聚酰亚胺，苯酚，三聚氰胺，尿素等中的任何一种，及其衍生物和共聚物。

公开(公告)号：KR1020020074582A

公开(公告)日：2002-10-04

申请号：KR1020010014426

申请日：2001-03-20

Applicant: 한국과학기술원

Inventor： 박정기 ,  이영기 ,  엄지용

IPC: H01M8/10

CPC classification number: Y02P70/56

Abstract: PURPOSE: Provided are a polyelectrolyte film for fuel cell, which has better mechanical/physical property and heat deflection than existing nafion, and improved hydrogen ion conductivity comparable to that of the nafion, even with being substantially thinner than the nafion, and a method for producing the same. CONSTITUTION: The method comprises the steps of (i) adding 3-50 wt% of fluorinated ionomer to polymer matrix so as to form solution of mixed polymer(the wt% is based on the polymer); (ii) casting the polymer solution to obtain a polymer film; and (iii) coating the fluorinated ionomer on both sides of the polymer film to obtain a composite film. The polymer matrix is at least one polymer selected from the group consisting of a copolymer of polyethylene, polypropylene, polysulfone, polyimide, polyvinylidene fluoride, polyurethane, polystyrene, polyvinyl chloride, cellulose, nylon polymers, or copolymer of monomers of the polymers, or blend thereof, or a copolymer of vinylidene fluoride and hexafluoropropylene, a copolymer of vinylidene fluoride and trifluoroethylene, a copolymer of vinylidene fluoride and tetrafluoroethylene, or acrylate polymer, or polyacrylonitrile, polyvinylacetate, polyethylene oxide, polypropylene oxide polymers, or copolymer of monomers of the polymers, or blends thereof.

Abstract translation: 目的：提供一种用于燃料电池的聚电解质膜，其具有比现有电极更好的机械/物理性能和热偏转，并且即使基本上比nafion更薄，也提高了与nafion相当的氢离子传导性，并且提供了一种方法 生产相同。 构成：该方法包括以下步骤：（i）将3-50重量％的氟化离聚物加入到聚合物基质中以形成混合聚合物溶液（wt％为聚合物）; （ii）浇铸聚合物溶液以获得聚合物膜; 和（iii）在聚合物膜的两侧涂覆氟化离聚物以获得复合膜。 聚合物基质是选自聚乙烯，聚丙烯，聚砜，聚酰亚胺，聚偏二氟乙烯，聚氨酯，聚苯乙烯，聚氯乙烯，纤维素，尼龙聚合物或聚合物单体的共聚物的共聚物中的至少一种聚合物，或共混物 或偏二氟乙烯和六氟丙烯的共聚物，偏二氟乙烯和三氟乙烯的共聚物，偏二氟乙烯和四氟乙烯的共聚物，或丙烯酸酯聚合物或聚丙烯腈，聚乙酸乙烯酯，聚环氧乙烷，聚环氧丙烷聚合物或聚合物单体的共聚物 ，或其混合物。