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    • 2. 发明公开
    • 탄소섬유용 폴리아크릴로니트릴계 전구체 섬유의 제조 방법
    • 制备聚丙烯腈基前驱体碳纤维的方法
    • KR1020110078242A
    • 2011-07-07
    • KR1020090134996
    • 2009-12-30
    • 주식회사 효성
    • 최미영방윤혁이영상최성현
    • D01F6/18D01F9/22D01D1/02D04H1/4242
    • D01F6/18D01D1/02D01F9/22D04H1/4242
    • PURPOSE: A method of manufacturing the polyacrylonitrile group precursor fiber for carbon fiber is provided to prevent acrylonitrile group polymer from doing a cyclization reaction by controlling production of a amine compound by hydrolysis in the production and storage of the dope undiluted solution, and to maintain stability of the dope undiluted solution. CONSTITUTION: The method of manufacturing the polyacrylonitrile group precursor fiber for carbon fiber is as follows. The doped undiluted solution throws in an acrylonitrile copolymer and organic solvent in a dissolver, and dissolves the acrylonitrile copolymer in the organic solvent. The precursor fiber production is emits the dope undiluted solution and manufactures the acrylonitrile-group precursor fiber for carbon fiber. The dope undiluted solution production is done by throwing nitrogen.
    • 目的:提供一种制备碳纤维聚丙烯腈基前体纤维的方法,以防止丙烯腈基聚合物通过在生产和储存涂料未稀释溶液中通过水解控制胺化合物进行环化反应,并保持稳定性 的涂料未稀释溶液。 构成:碳纤维的聚丙烯腈基前体纤维的制造方法如下。 掺杂的未稀释溶液在溶解器中引入丙烯腈共聚物和有机溶剂,并将丙烯腈共聚物溶解在有机溶剂中。 前体纤维的生产是发出涂料未稀释的溶液,制造用于碳纤维的丙烯腈 - 前体纤维。 未经稀释的溶液的生产是通过投掷氮气进行的。
    • 5. 发明公开
    • 탄소섬유용 폴리아크릴로니트릴계 전구체 섬유의 제조방법
    • 制备聚丙烯腈基碳纤维前体的方法
    • KR1020110078245A
    • 2011-07-07
    • KR1020090135004
    • 2009-12-31
    • 주식회사 효성
    • 이영상방윤혁최미영조원섭김병한
    • D01F6/18D01F9/22D01F6/54D01D1/02D01D5/12D01F6/38
    • D01F6/18D01D1/02D01D5/12D01F6/38D01F6/54D01F9/22
    • PURPOSE: A method of manufacturing polyacrylonitrile group precursor fiber for carbon fiber is provided not to cause a strength degradation of the carbon fiber even when using an acrylate copolymer. CONSTITUTION: The method of manufacturing polyacrylonitrile group precursor fiber for carbon fiber has following features. A polyacrylonitrile polymer is composed of 96~98wt% of acrylonitrile monomer, 1~2wt% of extension promoting component and 1~2wt% of oxygen-permeability promoting component. The extension promoting component is selected in a group consisting of ethylacrylate, 2-ethylhexylacrylat, methyl acrylate, N-butyl acrylate and T-butyl acrylate. The oxygen-permeability promoting componen tis selected in a group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, citraconic acid, maleic acid and their alkylester.
    • 目的:提供一种制造用于碳纤维的聚丙烯腈基前体纤维的方法,即使在使用丙烯酸酯共聚物时也不会引起碳纤维的强度降低。 构成:用于碳纤维的聚丙烯腈基前体纤维的制造方法具有以下特征。 聚丙烯腈聚合物由96〜98重量%的丙烯腈单体,1〜2重量%的延伸促进成分和1〜2重量%的透氧促进组分组成。 延伸促进组分选自丙烯酸乙酯,2-乙基己基丙烯酸酯,丙烯酸甲酯,丙烯酸正丁酯和丙烯酸叔丁酯。 氧气渗透促进成分选自丙烯酸,甲基丙烯酸,衣康酸,巴豆酸,柠康酸,马来酸及其烷基酯。
    • 6. 发明公开
    • 탄소나노튜브 강화 폴리아크릴로나이트릴계 탄소섬유 및 그제조 방법
    • 基于聚丙烯腈的碳纤维增强碳纳米管及其制备方法
    • KR1020100011551A
    • 2010-02-03
    • KR1020080072813
    • 2008-07-25
    • 주식회사 효성
    • 임세혁방윤혁김병한이영상
    • D01F9/22D01F9/12D01F1/10D01F6/38D01D1/02D01D5/06
    • D01F9/22D01D1/02D01D5/06D01F1/10D01F6/38D01F9/12
    • PURPOSE: Carbon nanotube-reinforced polyacrylonitrile based carbon fiber and a manufacturing method thereof are provided to improve mechanical and electrical property by uniformly dispersing carbon nanotube inside polymer. CONSTITUTION: A manufacturing method of carbon nanotube-reinforced polyacrylonitrile based carbon fiber includes the following steps: forming acid surface processing carbon nanotube by dipping carbon nanotube in acid of the constant temperature and acidity; forming a precursor solution by mixing the precursor solution with the acid surface processing carbon nanotube of 0.1 ~ 10 parts by weight based on a monomer composition of 100 parts by weight; forming coagulated filament by spinning and extruding the precursor solution and washing and desolvating a spinning solution; and oxidizing the coagulated filament in a temperature of 200~300 °C.
    • 目的:提供碳纳米管增强聚丙烯腈基碳纤维及其制造方法,通过在聚合物内均匀分散碳纳米管来提高机械和电学性能。 构成:碳纳米管增强聚丙烯腈系碳纤维的制造方法包括以下步骤:通过将碳纳米管浸入恒温和酸度的酸中形成酸性表面处理碳纳米管; 通过将前体溶液与基于100重量份的单体组成的0.1〜10重量份的酸性表面处理碳纳米管混合来形成前体溶液; 通过纺丝和挤出前体溶液并洗涤和脱水纺丝溶液来形成凝固丝; 并在200〜300℃的温度下氧化凝固的长丝。
    • 7. 发明公开
    • 탄소섬유 전구체의 제조방법
    • 制备碳纤维前体的方法
    • KR1020100073760A
    • 2010-07-01
    • KR1020080132515
    • 2008-12-23
    • 주식회사 효성
    • 최미영이병민이영상방윤혁
    • D01F6/38D01F9/22
    • PURPOSE: A manufacturing method of a carbon fiber precursor is provided to manufacture the carbon fiber with high intensity and high elasticity by reducing deformity of the carbon fiber by a void, and to reduce the void existing in dope liquid. CONSTITUTION: A manufacturing method of a carbon fiber precursor includes the following steps: manufacturing dope liquid by dissolving an acrylonitrile copolymer in an organic solvent by putting the acrylonitrile copolymer(12) and an organic solvent(14); transferring the dope liquid in a dope liquid storage tank(30); and manufacturing the carbon fiber precursor by spinning the transferred dope liquid. The intensity of the ultrasonic wave is 10-300kHz.
    • 目的:提供碳纤维前体的制造方法,通过减少碳纤维的空隙变形,并且减少涂布液中存在的空隙,制造高强度,高弹性的碳纤维。 构成:碳纤维前体的制造方法包括以下步骤:通过将丙烯腈共聚物(12)和有机溶剂(14)通过将丙烯腈共聚物溶解在有机溶剂中来制造掺杂液; 将掺杂液转移到掺杂液储罐(30)中; 并通过旋转所转移的掺杂液来制造碳纤维前体。 超声波的强度为10-300kHz。
    • 8. 发明公开
    • 연료전지용 기체확산층의 제조 방법
    • 燃料电池气体扩散层的制备方法
    • KR1020100027701A
    • 2010-03-11
    • KR1020080086715
    • 2008-09-03
    • 주식회사 효성
    • 조원섭정희록이영상방윤혁
    • H01M8/04H01M8/10
    • Y02P70/56H01M8/04B82Y30/00H01M8/10
    • PURPOSE: A method for preparing a gas diffusion layer for a fuel cell is provided to prepare a gas diffusion layer with improved electrical and mechanical properties compared with conventional porous carbon materials using carbon nanotube with excellent electrical and mechanical properties. CONSTITUTION: A method for preparing a gas diffusion layer for a fuel cell comprises the steps of: forming a mixture by mixing carbon nanotubes and polyvinylalcohol aqueous solution; forming a drafting paper material by drying the mixture; impregnating the drafting paper material in a phenol resin solution and compressing the drafting paper material to form a precursor; and plasticizing the precursor at 500~1600 °C.
    • 目的:提供一种制备用于燃料电池的气体扩散层的方法,与使用具有优异电气和机械性能的碳纳米管的常规多孔碳材料相比,制备具有改善的电气和机械性能的气体扩散层。 构成:制备燃料电池用气体扩散层的方法包括以下步骤:通过混合碳纳米管和聚乙烯醇水溶液形成混合物; 通过干燥混合物形成牵伸纸材料; 将牵伸纸材料浸渍在酚醛树脂溶液中并压缩牵伸纸材料以形成前体; 并在500〜1600℃下使前体增塑。