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公开(公告)号：KR1020010037227A
公开(公告)日：2001-05-07
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: PURPOSE: A process for preparing a conductive polymer composite film formed by a conductive layer comprising a reticular structure of conductive fiber in an intermediate layer by well dispersing conductive short fiber in a polymer film without causing breakage during processing is provided, thereby the title film having excellent conductivity and mechanical properties is produced. CONSTITUTION: This process comprises the steps of: forming of a first polymer adhesion layer on a solid substrate; electrostatic planting of the conductive short fiber on the polymer adhesion layer using strong direct electric field; forming a second polymer layer by adding polymer powder to the planted polymer adhesion layer; and heat forming of the obtained composition.
Abstract translation: 目的：提供一种通过在中间层中包含导电性纤维网状结构而形成的导电性聚合物复合膜的方法，其中，通过在聚合物膜中充分分散导电短纤维而不会在加工过程中引起断裂，因此标题膜具有 产生优良的导电性和机械性能。 构成：该方法包括以下步骤：在固体基质上形成第一聚合物粘合层; 使用强直接电场在聚合物粘附层上静电播种导电短纤维; 通过向聚合物粘合层中加入聚合物粉末形成第二聚合物层; 和所得组合物的热成型。
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公开(公告)号：KR100127095B1
公开(公告)日：1998-04-02
申请号：KR1019940014940
申请日：1994-06-28
Applicant: 한국과학기술연구원
Abstract: The crystalline single spherulite polyamide was prepared by the following steps 1) forming a transparent homogeneous solution by completely dissolving the block crystalline polyamide resin such as nylon 4, nylon 6 or nylon 6,6, etc. at high temperature in a phase separation solvent, 2) forming an opaque heterogeneous solution by phase separating the solvents such as glycerol, ethylene glycol, diethylene glycol, 2-butene-1,4-diol or their mixture, and the polyamide of the single spherulite by cooling at low temperature, 3) precipitating the separated polyamide by washing the solvent, 4) obtaining the independent crystalline single sperulite polyamide powder having 1- 100um of diameter polydispersities less than 1.10 by filtrating and drying the precipitates.
Abstract translation: 通过以下步骤制备结晶单球晶聚酰胺：1）通过在相分离溶剂中高温完全溶解尼龙4，尼龙6或尼龙6,6等嵌段结晶性聚酰胺树脂，形成透明均匀溶液， 2）通过在低温下冷却，通过相分离甘油，乙二醇，二甘醇，2-丁烯-1,4-二醇或它们的混合物等溶剂和单球晶的聚酰胺，形成不透明的非均相溶液; 3） 通过洗涤溶剂使分离的聚酰胺沉淀; 4）通过过滤和干燥沉淀物，获得具有小于1.10的直径为100微米的多分散性的独立的结晶单一的纯正硅酸酯聚酰胺粉末。
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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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公开(公告)号：KR1019960010708A
公开(公告)日：1996-04-20
申请号：KR1019940024724
申请日：1994-09-29
Applicant: 한국과학기술연구원
Abstract: 본 발명은 괴상의 폴리에스테르 수지를 따라 비용매 또는 용매 특성을 나타내는 상분리용 용매를 사용하여 크기 분포가 균일한 단구정상의 폴리에스테르 분말을 얻는 결정성 폴리에스테르 구형 분말의 제조 방법에 관한 것이다. 본 발명의 목적은 종래의 방법으로 제조 불가능한 단구정상의 균일한 크기 분포를 가지는 결정성 폴리에스테르 수지 구형 분말의 제조 방법을 제공하는 것이다.
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Patent Agency Ranking
公开(公告)号：KR1019930006933B1
公开(公告)日：1993-07-24
申请号：KR1019900009345
申请日：1990-06-23
Applicant: 한국과학기술연구원
CPC classification number: C08J5/06 , C08J2363/00
Abstract: The interfacial adhesive force of polyethylene fiber/epoxy resin composite is improved by (1) plasma-etching the fabric woven with polyethylene fiber for 1-30 minutes, (2) coating silane coupling agent onto the plasma-treated fabric and (3) impregnating the fabric with the epoxy resin. The fiber is high strength polyethylene fiber. The coupling agent is selected from gamma-methacryloxypropyl trimethoxysilane, gamma-aminopropyl triethoxysilane, vinyl triacetoxysilane and 3-(N-styrylmethy2- aminoethylamino) propyl trimethoxysilane and its coating amount is 0.05-10 wt.%.
Abstract translation: 聚乙烯纤维/环氧树脂复合材料的界面粘合力通过（1）等离子体蚀刻用聚乙烯纤维编织的织物1-30分钟，（2）将硅烷偶联剂涂覆到等离子体处理的织物上，（3）浸渍 织物与环氧树脂。 纤维是高强度聚乙烯纤维。 偶联剂选自γ-甲基丙烯酰氧基丙基三甲氧基硅烷，γ-氨基丙基三乙氧基硅烷，乙烯基三乙酰氧基硅烷和3-（N-苯乙烯基甲基-2-氨基乙基氨基）丙基三甲氧基硅烷，其涂布量为0.05-10重量％。
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公开(公告)号：KR100522137B1
公开(公告)日：2005-10-18
申请号：KR1020030089868
申请日：2003-12-10
Applicant: 한국과학기술연구원
Abstract: 본 발명은 범용 수지나 엔지니어링 플라스틱 (engineering plastics)에 나노 크기의 무기입자를 충전하는 복합재료에 관한 기술로서, 더욱 상세하게는 나일론 6 (Nylon 6)과 같은 반응 압출 (reactive extrusion)이 가능한 고분자를 중합하면서 무기 충전입자로 사용되는 소듐-몬모릴로나이트 (sodium-montmorillonite)와 같은 클레이들을 나노 스케일 단위로 고르게 분산시킨 나노복합재 (nanocomposites)를 제조하는 기술에 관한 것이다. 본 발명에 따라, 모노머와 클레이를 미리 분자수준으로 혼합시킨 후 이축압출기 내에서 반응을 시키거나, 또는 이축압출기 내에서 고분자 중합 도중에 클레이를 첨가, 혼합시킴으로써 분산 상태가 향상된 나노복합재를 얻을 수 있으며, 이와 같이 제조된 나노복합재는 우수한 기계적, 열적 물성과 낮은 기체투과성을 나타내어 구조재나 포장재료에 응용될 수 있다.
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公开(公告)号：KR1020020019693A
公开(公告)日：2002-03-13
申请号：KR1020000052689
申请日：2000-09-06
Applicant: 한국과학기술연구원
CPC classification number: C08K3/346 , C08J3/226 , C08J2467/00 , C08K9/04 , C08L67/04 , C08L21/00 , C08L2666/04
Abstract: PURPOSE: Provided is a process for producing nanocomposites of clay dispersed polymer resin by a compounding method, which can perfectly delaminate even silicate plates as a base unit of the clay. CONSTITUTION: The nanocomposites of clay dispersed polymer resin are produced by adding and extruding a polystyrene acrylonitrile copolymer resin, a polyacrylonitrile butadiene styrene copolymer resin, or a polyvinyl chloride resin and polycaprolactone and organized clay, wherein the molecular weight of the polycaprolactone is 10,000-100,000 and the amount of the added polycaprolactone is 20-40wt% based on the total.
Abstract translation: 目的：提供一种通过配合方法制备粘土分散聚合物树脂的纳米复合材料的方法，其可以使甚至硅酸盐板作为粘土的基础单元分层。 构成：粘土分散聚合物树脂的纳米复合材料通过加入和挤出聚苯乙烯丙烯腈共聚物树脂，聚丙烯腈丁二烯苯乙烯共聚物树脂或聚氯乙烯树脂和聚己内酯和有机粘土制成，其中聚己内酯的分子量为10,000-100,000 并且添加的聚己内酯的量相对于总量为20-40重量％。
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公开(公告)号：KR1020020006390A
公开(公告)日：2002-01-19
申请号：KR1020000040024
申请日：2000-07-12
Applicant: 한국과학기술연구원
IPC: B29C70/16
CPC classification number: B29C70/347 , B29C70/08 , B29K2995/0082
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：提供一种碳纤维增强型C形结构体的制造方法，通过在圆筒状辊上缠绕多个单向碳纤维预浸料坯，得到具有改善的物性的碳纤维增强型C型结构体。 构成：将一片单向碳纤维预浸料坯剪切成带状，然后以特定长度切割以制备多片单向碳纤维预浸料坯单元（11）（S1）。 将多个单向碳纤维预浸料坯单元堆积并卷绕在圆筒状的辊上，形成C字状或环状的预成型体（13）（S2）。 将预制件卷起成塔夫绸或缎纹标签预浸料（15）（S3）。 然后，在具有真空装置的压缩模具中加热预制件以获得C形结构（S4）。 如果预成型件在压模中成型，则外固定单元的内部没有孔。 由此，提高了C形结构的物理性能。
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