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    • 1. 发明授权
    • 전기방사 방법에 의한 씨타입 탄소나노섬유 제조방법
    • 通过电解制备C型碳纳米纤维的制备方法
    • KR100783490B1
    • 2007-12-11
    • KR1020060070934
    • 2006-07-27
    • 전남대학교산학협력단
    • 김찬윤우연양갑승
    • D01F9/12D01D5/00D06C7/04
    • D01F9/12D01D5/0038D06C7/04Y02E60/13Y10S977/842
    • A method for manufacturing a C-type carbon nanofiber is provided to regulate the cross-section of the carbon nanofiber, by electrospinning polyacrylonitrile as a carbon fiber precursor and thermoplastic polymer using a Y-shaped nozzle and removing the thermoplastic polymer through a thermal treatment process. A PAN(polyacrylonitrile) spinning solution and a PMMA(polymethylmethacrylate) spinning solution are respectively prepared. The spinning solutions are electro-spun through a Y-shaped nozzle(2) to produce a nanofiber. The nanofiber is thermally treated at 300-350°C under an air ambience to obtain an insolubilized fiber. The insolubilized fiber is incinerated under a vacuum condition or an inert ambience to produce a carbon nanofiber having a C-type cross-section.
    • 提供一种制造C型碳纳米纤维的方法,通过使用Y形喷嘴静电纺丝聚丙烯腈作为碳纤维前体和热塑性聚合物来调节碳纳米纤维的横截面,并通过热处理工艺除去热塑性聚合物 。 分别制备PAN(聚丙烯腈)纺丝溶液和PMMA(聚甲基丙烯酸甲酯)纺丝溶液。 纺丝溶液通过Y形喷嘴(2)进行电纺,以生产纳米纤维。 将纳米纤维在空气气氛下在300-350℃进行热处理,得到不溶纤维。 不溶的纤维在真空条件或惰性气氛下焚烧,生产出具有C型横截面的碳纳米纤维。
    • 2. 发明公开
    • 옥수수를 이용한 초고비표면적 활성탄 및 이의 제조방법
    • 具有超高特异性表面积的活性炭及其生产方法
    • KR1020080085605A
    • 2008-09-24
    • KR1020070027360
    • 2007-03-20
    • 전남대학교산학협력단
    • 김찬발라부이티느녹문희양갑승이재욱
    • C01B31/08B01J20/20B01J21/18
    • H01G11/34Y02E60/13C01B32/30B01J20/20B01J21/18
    • An activated carbon with ultra-high specific surface area which is prepared using corn, which has a specific surface area of 2500 m^2/g or more and an average pore size of about 2 nm, and in which a ratio of micropores to mesopores is controllable is provided, a method for preparing the activated carbon inexpensively and easily is provided, and various uses of the activated carbon including odor removal, water purification, natural gas adsorption, electric double layer supercapacitors, and catalyst carriers are provided. As a method for preparing an activated carbon with ultra-high specific surface area using corn grains, a method for preparing an activated carbon with a specific surface area of 2500 m^2/g or more using corn comprises the steps of: (A) drying and sorting raw material; (B) carbonizing the sorted raw material to a temperature of 500 to 1000 deg.C in an inert gas atmosphere; (C) mixing at least one activating agent selected from potassium hydroxide, sodium hydroxide, calcium carbonate, and zinc chloride with the carbide to activate the carbide, and controlling sizes of mesopores and micropores of the carbide while controlling content, activating time and activating temperature of the activating agent; and (D) cleaning and drying the size-controlled activated carbide. The step(B) is performed by carbonizing the raw material at 550 to 650 deg.C for 1 to 2 hours at a temperature rising rate of 5 deg.C/min. The step(C) is performed by activating the carbide at 700 to 1000 deg.C for 30 to 300 minutes using the activating agent to the carbide at a weight ratio of 1:1 to 5. The cleaning process in the step(D) is repeated until the cleaned carbide has a potential of hydrogen(pH) of 6 to 8.
    • 具有超高比表面积的活性炭,其使用具有2500m 2 / g以上的比表面积和约2nm的平均孔径的玉米制备,其中微孔与中孔的比例 是可控的,提供了廉价且容易地制备活性炭的方法,并且提供了除臭除臭,水净化,天然气吸附,双电层超级电容器和催化剂载体等活性炭的各种用途。 作为使用玉米粒制备具有超高比表面积的活性炭的方法,使用玉米制备比表面积为2500m 2 / g以上的活性炭的方法包括以下步骤:(A) 干燥和分选原料; (B)在惰性气体气氛中将分选的原料碳化至500〜1000℃的温度; (C)将选自氢氧化钾,氢氧化钠,碳酸钙和氯化锌中的至少一种活化剂与碳化物混合以活化碳化物,并控制碳化物的中孔和微孔的尺寸,同时控制含量,活化时间和活化温度 的活化剂; 和(D)清洁和干燥尺寸控制​​的活性碳化物。 步骤(B)通过在550〜650℃下以5℃/ min的升温速率将原料碳化1〜2小时来进行。 步骤(C)通过使用活化剂在700至1000℃下以1:1至5的重量比将碳化物活化30至300分钟来进行。步骤(D)中的清洁处理 直到清洁的碳化物具有6至8的氢(pH)的电位。
    • 3. 发明授权
    • 혼합용매에 용해된 핏치용액의 전기방사 및 이로부터 극세 탄소섬유 웹과 극세 활성탄소섬유 웹 제조
    • 静电纺丝溶解在混合溶剂中的沥青溶液,由此生产超细碳纤维网和超细活性碳纤维网
    • KR100623004B1
    • 2006-09-19
    • KR1020040083806
    • 2004-10-20
    • 전남대학교산학협력단
    • 박상희김찬양갑승
    • D01F9/145D01F1/10D01F9/00D04H1/42D04H3/16
    • 본 발명은 프리커서 핏치혼합용액을 전기방사하여 극세 탄소섬유 웹과 극세 활성탄소섬유 웹을 제조하는 것에 관한 것으로, 더욱 상세하게는 등방성 핏치를 잘 용해하는 용매에 용해한 후 상용성과 이온전도도가 높은 용매를 부가하여 핏치혼합용액을 제조한 후 고전압(∼50 kV)을 가하여 핏치섬유 웹을 제조하고 이것을 안정화 및 탄화하여 극세 탄소섬유 웹을 제조하거나 안정화된 섬유 웹이나 탄소섬유 웹을 활성화하여 극세 활성탄소 섬유 웹을 만드는 방법과 그것의 특성에 관한 것이다. 본 발명에서 제조된 극세 탄소섬유 웹은 높은 전기전도성 및 열 전도성을 가지며, 이를 활성화하면 각종 고기능성 필터재료, 전기이중층 슈퍼캐패시터 (Electrical Double Layer Capacitor, EDLC) 및 연료전지용 전극으로 사용할 수 있다.
      전기방사, 핏치, 혼합용매, 극세 탄소섬유 웹, 극세 활성탄소섬유 웹
    • 本发明和前体与非常细的活性炭纤维电纺丝的沥青混合物超细碳纤维网被引导以制备网,并且更特别地,涉及一种高的溶剂相容性和离子导电性物溶解在溶剂中后溶解各向同性沥青 除了通过施加制备混合溶液后的高电压(〜50千伏)一种制造沥青纤维毡,和俯仰稳定化和碳化以制备或激活一个稳定的纤维网或碳纤维网具有非常微细碳纤维网这是一个非常细的活性炭 它是关于如何制作纤维网及其特性。 在本发明中制造的超细碳纤维网可被用作各种高功能性过滤器材料,电双层超级电容器(双电层电容器,EDLC)和燃料电池用电极,具有高导电性和导热性的情况下,激活它。
    • 5. 发明授权
    • 옥수수를 이용한 초고비표면적 활성탄 및 이의 제조방법
    • 玉米超高比表面活性炭及其制备方法
    • KR100886365B1
    • 2009-03-03
    • KR1020070027360
    • 2007-03-20
    • 전남대학교산학협력단
    • 김찬발라부이티느녹문희양갑승이재욱
    • C01B31/08B01J20/20B01J21/18
    • H01G11/34Y02E60/13
    • An activated carbon with ultra-high specific surface area which is prepared using corn, which has a specific surface area of 2500 m^2/g or more and an average pore size of about 2 nm, and in which a ratio of micropores to mesopores is controllable is provided, a method for preparing the activated carbon inexpensively and easily is provided, and various uses of the activated carbon including odor removal, water purification, natural gas adsorption, electric double layer supercapacitors, and catalyst carriers are provided. As a method for preparing an activated carbon with ultra-high specific surface area using corn grains, a method for preparing an activated carbon with a specific surface area of 2500 m^2/g or more using corn comprises the steps of: (A) drying and sorting raw material; (B) carbonizing the sorted raw material to a temperature of 500 to 1000 deg.C in an inert gas atmosphere; (C) mixing at least one activating agent selected from potassium hydroxide, sodium hydroxide, calcium carbonate, and zinc chloride with the carbide to activate the carbide, and controlling sizes of mesopores and micropores of the carbide while controlling content, activating time and activating temperature of the activating agent; and (D) cleaning and drying the size-controlled activated carbide. The step(B) is performed by carbonizing the raw material at 550 to 650 deg.C for 1 to 2 hours at a temperature rising rate of 5 deg.C/min. The step(C) is performed by activating the carbide at 700 to 1000 deg.C for 30 to 300 minutes using the activating agent to the carbide at a weight ratio of 1:1 to 5. The cleaning process in the step(D) is repeated until the cleaned carbide has a potential of hydrogen(pH) of 6 to 8.
    • 7. 发明公开
    • 전기방사를 이용한 페놀계 초극세 탄소섬유 및 초극세활성탄소섬유와 그 제조방법
    • 通过使用它们生产的酚醛树脂和纤维电极来制造超细碳纤维和活性碳纤维的方法
    • KR1020070057311A
    • 2007-06-07
    • KR1020050116104
    • 2005-12-01
    • 전남대학교산학협력단
    • 김찬박태진양갑승
    • D01F9/14D01F9/12D01F1/02D04H1/4242
    • D01F9/14D01F1/02D01F9/12D04H1/4242
    • Phenol-group ultra-fine carbon fibers and activated carbon fibers and a manufacturing method thereof by using the electro-spinning are provided to add a curing agent into the phenol-group resin with the low viscosity, thereby manufacturing the fiber with a nano unit as a non-woven cloth state. In the first process, HMTA(Hexa Methylene Tetra Amine) of 10 to 15 % to the weight of the novolak phenol resin is added into the novolak phenol resin and dissolved into alcohol solvent so that the spinning solution is manufactured. In the second process, the spinning solution is previously heat-treated. In the third process, the ultra-fine phenol fiber web is formed through an electro spinning manner. In the fourth process, the thermosetting operation of the web is performed so that the ultra-fine phenol curing fiber is manufactured. In the fifth process, the phenol curing fiber is carbonated so that the ultra-fine carbon fiber is manufactured.
    • 提供苯酚类超细碳纤维和活性炭纤维及其制造方法,通过使用电纺丝,将固化剂添加到低粘度的酚醛树脂中,由此制造具有纳米单位的纤维 无纺布状态。 在第一种方法中,将酚醛清漆型酚醛树脂重量为10〜15%的HMTA(Hexa Methylene Tetra Amine)加入到酚醛清漆型酚醛树脂中,溶解在醇溶剂中,制成纺丝溶液。 在第二种方法中,预先对该纺丝溶液进行热处理。 在第三种方法中,通过电纺方式形成超细苯酚纤维网。 在第四工序中,进行纤维网的热固化处理,从而制造超细苯酚固化纤维。 在第五种方法中,将酚醛固化纤维碳酸化以制造超细碳纤维。
    • 10. 发明公开
    • 혼합용매에 용해된 핏치용액의 전기방사 및 이로부터 극세 탄소섬유 웹과 극세 활성탄소섬유 웹 제조
    • 在混合溶剂中溶解的溶液的电纺丝和超细碳纤维网以及由其制造的超细活性碳纤维网
    • KR1020040097043A
    • 2004-11-17
    • KR1020040083806
    • 2004-10-20
    • 전남대학교산학협력단
    • 박상희김찬양갑승
    • D01F9/145D01F1/10D01F9/00D04H1/42D04H3/16
    • D01F9/145D01F1/10D01F9/00D04H1/42D04H3/16
    • PURPOSE: A manufacturing method of super fine carbon fiber web and super fine activated carbon fiber web is capable of using precursor pitch not separated, reducing a production cost and a process, controlling diameter of fiber according to concentration of a pitch solution and quantity of solvent having high conductibility and not using an organic binder for forming in manufacturing an electrode. The webs are useful for high efficiency electrical double layer capacitor, fuel cell electrodes and a high efficiency particulate arrestor gas-filter. CONSTITUTION: A manufacturing method of super fine carbon fiber web and super fine activated carbon fiber web is as follows: dissolving precursor pitch in a solvent to manufacture a pitch mix solution; electric-spinning the pitch mix solution to manufacture super fine isotropic pitch fiber web and super fine anisotropic pitch fiber web; stabilizing the webs under condition of oxidation to manufacture super fine stabilized fiber web; carbonizing the web to manufacture the super fine carbon fiber web; and then activating the super fine stabilized fiber web or the super fine carbon fiber web to manufacture the super fine activated carbon fiber web.
    • 目的:超细碳纤维网和超细活性炭纤维网的制造方法能够使用未分离的前体沥青,降低生产成本和工艺,根据沥青溶液的浓度和溶剂量控制纤维的直径 具有高导电性,并且在制造电极时不使用有机粘合剂进行成形。 该网可用于高效双电层电容器,燃料电池电极和高效除尘器气体过滤器。 构成:超细碳纤维网和超细活性炭纤维网的制造方法如下:将前体沥青溶解在溶剂中以制备沥青混合溶液; 电纺沥青混合溶液制造超细各向同性沥青纤维网和超细各向异性沥青纤维网; 在氧化条件下稳定纤维网,制成超细纤维网; 碳化碳纤维网以制造超细碳纤维网; 然后激活超细纤维网或超细碳纤维网以制造超细活性炭纤维网。