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公开(公告)号：KR1020050105861A
公开(公告)日：2005-11-08
申请号：KR1020040031137
申请日：2004-05-03
Applicant: 한국과학기술연구원
Abstract: 본 발명은 다양한 금속 알킬레이트를 이용하여 유기 나노 입자를 제조함으로써 입자 표면에 흡착된 금속들의 전기음성도 차이에 의해 입자들 간에 발생하는 정전기적 척력을 이용하여 안정하고 단분산성의 전하 나노 입자를 제공한다.
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公开(公告)号：KR1020050104280A
公开(公告)日：2005-11-02
申请号：KR1020040029660
申请日：2004-04-28
Applicant: 한국과학기술연구원
CPC classification number: C08K9/02 , B82Y30/00 , C08K3/013 , C08K7/04 , C08K7/10 , C08K7/18 , C08K2003/282 , C08K2003/385 , C09K5/14 , H01L23/3737
Abstract: 본 발명은 높은 열전도도와 낮은 열팽창 계수를 갖는 전자 패키징용 열관리재료 및 그 제조방법에 관한 것으로, 보다 상세하게는, 고분자 수지 내에 서로 다른 형상의 무기입자를 충전함으로써 열전도 네트워크를 형성하고, 고열전도도와 저열팽창계수를 가지는 전자 패키징용 열전도성 재료에 관한 것이다.
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公开(公告)号：KR1020050060147A
公开(公告)日：2005-06-22
申请号：KR1020030091232
申请日：2003-12-15
Applicant: 한국과학기술연구원
IPC: C08F10/02
CPC classification number: C08F10/02 , A61F2/46 , C08F4/65912 , C08F4/65916 , C08L23/06 , C08L2207/068
Abstract: 본 발명은 인공관절 등에 사용되는 초고분자량 폴리에틸렌의 내마모성이 향상된 내마모성 초고분자량 폴리에틸렌 복합체 및 그의 제조방법에 관한 것이다. 본 발명에 따르면, 충전제로 사용되는 무기입자 표면에 초고분자량 폴리에틸렌 중합용 전이금속 촉매/조촉매를 담지하고, 담지된 촉매 위치로부터 초고분자량 폴리에틸렌을 중합함으로써 무기입자 표면이 초고분자량 폴리에틸렌으로 피막된 복합 분말을 얻고, 이들 분말을 직접 성형해 고함량의 무기물 충전과 균일한 무기물 분산을 갖는 인공관절용 초고분자량 폴리에틸렌 복합체를 얻는다. 본 발명에 의해 제조된 무기입자가 충전된 초고분자량 폴리에틸렌 인공관절 재료는 충전되지 않은 초고분자량 폴리에틸렌 재료에 비해 뛰어난 내마모성을 보여 준다.
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24.发明公开
公开(公告)号：KR1020050013005A
公开(公告)日：2005-02-02
申请号：KR1020030051822
申请日：2003-07-26
IPC: C08K3/36
Abstract: PURPOSE: Provided are an ultra-high molecular weight polyethylene composition which is improved in abrasion resistance by charging an inorganic material, its preparation method, and an ultra-high molecular weight polyethylene molded product used in an artificial joint or a machine part prepared by using the composition. CONSTITUTION: The ultra-high molecular weight polyethylene composition comprises an ultra-high molecular weight polyethylene; and 5-50 wt% of an inorganic particle selected from the group consisting of kaolinite, talc, smectite, montmorillonite and mica. Preferably the ultra-high molecular weight polyethylene has a molecular weight of 1,750,000-6,000,000. The method comprises the step of mixing the ultra-high molecular weight polyethylene fine particle and the inorganic particle with stirring, or mixing them in a suitable solvent and drying the mixture.
Abstract translation: 目的：提供一种超高分子量聚乙烯组合物，其通过加入无机材料，其制备方法和用于人造接头的超高分子量聚乙烯模塑产品或通过使用 组成。 构成：超高分子量聚乙烯组合物包含超高分子量聚乙烯; 和5-50重量％的选自高岭石，滑石，蒙皂石，蒙脱石和云母的无机颗粒。 优选地，超高分子量聚乙烯的分子量为1,750,000-6,000,000。 该方法包括在搅拌下混合超高分子量聚乙烯微粒和无机颗粒，或将其混合在合适的溶剂中并干燥该混合物的步骤。
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公开(公告)号：KR1020040110891A
公开(公告)日：2004-12-31
申请号：KR1020030040376
申请日：2003-06-20
Applicant: 한국과학기술연구원
CPC classification number: C08J5/005 , B82Y30/00 , C08J2367/02 , C08K9/08
Abstract: PURPOSE: Provided are a polyester/clay nanocomposite material having low melt flow index, excellent processability, good mechanical and electrical properties, thereby being capable of utilizing as a substitute for a polyester resin and as a compatibilizer, and a manufacturing method thereof. CONSTITUTION: The polyester/clay nanocomposite material comprises a lamella structure of clay in which a cyclic ester oligomer is intercalated in a weight ratio of the cyclic ester oligomer : clay to 100:0.1-10. The cyclic ester oligomer is selected from the group consisting of poly(ethylene terephthalate), poly(ethylene isophthalate), poly(butylene terephthalate), poly(2,6-dinaphthoate) and poly(ethylene 2,6-naphthalenedicarboxylate), and the clay is comprised of phyllosilicate consisted of an aluminum silicate or magnesium silicate layer, and a sodium or potassium ion filled between the phyllosilicate layer. The polyester/clay nanocomposite material is manufactured by the method comprising mixing a cyclic ester oligomer and an organic clay to obtain a mixture in which the cyclic ester oligomer is intercalated between the lamella structure of clay, and polymerizing the cyclic ester oligomer to release the lamella structure of clay greater than 50nm.
Abstract translation: 目的：提供具有低熔体流动指数，优异的加工性能，良好的机械和电学性能的聚酯/粘土纳米复合材料，从而能够用作聚酯树脂和增容剂的替代品及其制造方法。 构成：聚酯/粘土纳米复合材料包括粘土薄片结构，其中环酯低聚物以环酯低聚物：粘土的重量比插入到100：0.1-10。 环状酯低聚物选自聚对苯二甲酸乙二醇酯，聚（乙烯间苯二甲酸酯），聚对苯二甲酸丁二醇酯，聚（2,6-二萘酸）和聚（2,6-萘二甲酸乙二醇酯））和 粘土由硅酸铝或硅酸镁层构成的页硅酸盐和填充在页硅酸盐层之间的钠或钾离子组成。 聚酯/粘土纳米复合材料通过以下方法制造：将环状酯低聚物和有机粘土混合，得到其中环状酯低聚物插入粘土层状结构之间并使环状酯低聚物聚合以释放薄片的混合物 粘土结构大于50nm。
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Patent Agency Ranking
公开(公告)号：KR100445237B1
公开(公告)日：2004-08-18
申请号：KR1020010050871
申请日：2001-08-23
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A method for preparing a clay-dispersed olefin-based polymer nanocomposite and a polyolefin resin by using the nanocomposite are provided, to improve the tensile strength and the heat transformation temperature without deterioration of the transparency. CONSTITUTION: The method comprises the steps of dipping a catalyst for polymerization of olefin into clay, dipping a co-catalyst into clay, and polymerizing the olefin, wherein the clay is an organic treated clay having a functional group capable of a catalyst being supported to, the catalyst for polymerization of olefin is a Ziegler-Natta catalyst where chlorine or oxychloride is bonded with titanium or vanadium, and the co-catalyst is an organoaluminum. Preferably the clay is selected from the group consisting of montmorillonite, hectorite, saponite, sauconite, vermiculite, magadiite and kenyaite; the catalyst for polymerization of olefin is an organometal complex bonded with a metal selected from Zr, Ti, Ni and Pd; and the organoaluminum used as a co-catalyst is selected from (C2H5)3Al, (C2H5)2AlCl, (C2H5)AlCl2, (t-C4H9)3Al and (iso-C4H9)3Al.
Abstract translation: 目的：提供一种通过使用该纳米复合材料制备粘土分散的烯烃基聚合物纳米复合材料和聚烯烃树脂的方法，以提高拉伸强度和热转变温度而不会使透明度劣化。 构成：该方法包括将用于烯烃聚合的催化剂浸渍到粘土中，将助催化剂浸渍到粘土中并使烯烃聚合的步骤，其中粘土是具有能够将催化剂负载的官能团的有机处理粘土 用于烯烃聚合的催化剂是其中氯或氯氧化物与钛或钒结合的齐格勒 - 纳塔催化剂，并且该助催化剂是有机铝。 优选地，粘土选自蒙脱石，锂蒙脱石，皂石，锌蒙脱石，蛭石，magadiite和肯纳石; 用于烯烃聚合的催化剂是与选自Zr，Ti，Ni和Pd的金属键合的有机金属配合物; 并且用作助催化剂的有机铝选自（C 2 H 5）3 Al，（C 2 H 5）2 AlCl，（C 2 H 5）AlCl 2，（tC 4 H 9）3 Al和（isoC 4 H 9）3 Al。
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公开(公告)号：KR100403549B1
公开(公告)日：2003-10-30
申请号：KR1020010067599
申请日：2001-10-31
Applicant: 한국과학기술연구원 , 주식회사 스위치코리아
IPC: H05K9/00
Abstract: PURPOSE: A method for shielding electromagnetic interference waves by using form-in-place type electrically conductive silicone pastes is provided to be capable of finding a viscosity condition suitable for form-in-place of a paste having a very low volume resistivity. CONSTITUTION: An application-type silicon paste is formed to have the viscosity over 3000 Pa.s at the shear velocity below 0.1/sec and the viscosity over 100 Pa.s at the shear velocity below 100/sec and has a volume resistivity below 0.01 ohm.cm. The application-type silicon paste contains a conductive metal particle over 80 weight% and a silicon component below 20 weight%. The conductive metal particle is adjusted to have a diameter below 7 micrometers, a distribution degree over 4 and a shaping rate over 1.
Abstract translation: 目的：提供一种通过使用就地型导电硅酮糊来屏蔽电磁干扰波的方法，其能够找到适合于体积电阻率非常低的糊就地形成的粘度条件。 组成：应用型硅膏的形成在低于0.1 /秒的剪切速度下具有超过3000帕·秒的粘度，并且在低于100 /秒的剪切速度下粘度超过100帕·秒，并且体积电阻率低于0.01 欧·厘米。 应用型硅膏包含超过80重量％的导电金属颗粒和低于20重量％的硅组分。 导电金属颗粒被调整为具有低于7微米的直径，分布度超过4并且成形率超过1。
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公开(公告)号：KR1020030025308A
公开(公告)日：2003-03-29
申请号：KR1020010050871
申请日：2001-08-23
Applicant: 한국과학기술연구원
CPC classification number: C08L23/02 , B82Y30/00 , C07C2521/16 , C08F4/622 , C08F10/00 , C08F110/02 , C08F110/06 , C08F110/14 , C08L23/06 , C08L23/12 , C08L23/20
Abstract: PURPOSE: A method for preparing a clay-dispersed olefin-based polymer nanocomposite and a polyolefin resin by using the nanocomposite are provided, to improve the tensile strength and the heat transformation temperature without deterioration of the transparency. CONSTITUTION: The method comprises the steps of dipping a catalyst for polymerization of olefin into clay, dipping a co-catalyst into clay, and polymerizing the olefin, wherein the clay is an organic treated clay having a functional group capable of a catalyst being supported to, the catalyst for polymerization of olefin is a Ziegler-Natta catalyst where chlorine or oxychloride is bonded with titanium or vanadium, and the co-catalyst is an organoaluminum. Preferably the clay is selected from the group consisting of montmorillonite, hectorite, saponite, sauconite, vermiculite, magadiite and kenyaite; the catalyst for polymerization of olefin is an organometal complex bonded with a metal selected from Zr, Ti, Ni and Pd; and the organoaluminum used as a co-catalyst is selected from (C2H5)3Al, (C2H5)2AlCl, (C2H5)AlCl2, (t-C4H9)3Al and (iso-C4H9)3Al.
Abstract translation: 目的：提供使用纳米复合材料制备粘土分散的烯烃类聚合物纳米复合材料和聚烯烃树脂的方法，以提高拉伸强度和热转变温度，而不会降低透明度。 方法：该方法包括将用于烯烃聚合的催化剂浸入粘土中，将助催化剂浸入粘土中并使烯烃聚合的步骤，其中粘土是具有能够将催化剂的官能团负载的有机处理的粘土 ，烯烃聚合催化剂是齐格勒 - 纳塔催化剂，其中氯或氯氯化物与钛或钒结合，助催化剂是有机铝。 优选地，粘土选自蒙脱石，锂蒙脱石，皂石，琥珀酸盐，蛭石，麦草碱和肯尼亚; 用于烯烃聚合的催化剂是与选自Zr，Ti，Ni和Pd的金属结合的有机金属络合物; 用作助催化剂的有机铝选自（C2H5）3A1，（C2H5）2AlCl，（C2H5）AlCl2，（t-C4H9）3A1和（iso-C4H9）3Al。
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公开(公告)号：KR100370592B1
公开(公告)日：2003-02-05
申请号：KR1020000040024
申请日：2000-07-12
Applicant: 한국과학기술연구원
IPC: B29C70/16
Abstract: PURPOSE: A manufacturing method of carbon fiber reinforced C-shaped structure is provided to obtain a carbon fiber reinforced C-shaped structure having the improved physical property by winding plural one-directional carbon fiber prepreg units on a cylindrical roller. CONSTITUTION: A sheet of one-directional carbon fiber prepreg is sheared into a tape form and then cut at specific length to prepare plural sheets of one-directional carbon fiber prepreg units(11)(S1). The plural one-directional carbon fiber prepreg units are piled up and wound on a cylindrical roller to form a C-shaped or ring-shaped preform(13)(S2). The preform is wound up as taffeta or satin label prepreg(15)(S3). Then, the preform is heated in a compression mold having a vacuum device to obtain a C-shaped structure(S4). If the preform is molded in the compression mold, the inside of an outer fixing unit has not pores. Thereby, the physical property of the C-shaped structure is improved.
Abstract translation: 目的：提供碳纤维增强C形结构的制造方法，以通过将多个单向碳纤维预浸料单元缠绕在圆柱形辊上来获得具有改善的物理性能的碳纤维增强的C形结构。 组成：将一片单向碳纤维预浸料剪切成带状，然后切割成特定长度以制备多片单向碳纤维预浸料坯（S1）（S1）。 将多个单向碳纤维预浸渍体单元堆积并缠绕在圆柱形辊上以形成C形或环形预成型体（13）（S2）。 预成型件作为塔夫绸或缎标签预浸料（15）卷绕（S3）。 然后，在具有真空装置的压缩模具中加热预成型体以获得C形结构（S4）。 如果预成型件在压缩模具中成型，则外部固定单元的内部不具有孔。 由此，C形结构的物理特性得到改善。
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公开(公告)号：KR100327152B1
公开(公告)日：2002-03-13
申请号：KR1019990044623
申请日：1999-10-14
Applicant: 한국과학기술연구원
Inventor： 최철림 , 김준경 , 임순호 , 박민 , 고문배 , 미로노프,블라디미르,세르게예비치 , 스크랴빈,올레그,보리소비치 , 유르케비치,올레그,로마노비치
IPC: C08J5/18
Abstract: 본발명은도전성고분자복합필름제조방법에관한것으로, 더욱상세하게는 1차고분자계접착층에불연속도전성섬유를고전기장을이용하여정전식모(靜電植毛) 방법으로도전성섬유층을형성하고, 그위에고분자분말을이용하여 2차고분자층을형성시킨후 열성형하여도전성고분자복합재료필름을제조하는방법에관한것이다. 본발명의제조방법에따라, 고분자분말과전기장을이용하여도전성단섬유를고분자매트릭스중에효과적으로분산시켜줌으로써도전성섬유가필름중간층에집중적으로위치되고, 공정중에섬유절단현상이발생하지않아소량의도전성섬유의첨가에도우수한도전성및 기계적성질을지닌도전성고분자복합필름을제조할수 있다.
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