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    • 7. 发明公开
    • 환원그래파이트옥사이드 제조 방법 및 이에 따라 제조된 환원그래파이트옥사이드
    • 使用其制造减少氧化亚铁和减少的石墨氧化物的方法
    • KR1020140071729A
    • 2014-06-12
    • KR1020120139644
    • 2012-12-04
    • 서울대학교산학협력단
    • 박종래정해솔양승재
    • C01B31/02B01J19/18B01J19/10
    • C01B32/20B01J19/10B01J19/18C01B32/23C01B2204/28
    • A method for preparing reduced graphite oxide is provided. The method for preparing the reduced graphite oxide according to an embodiment of the present invention, includes a step of providing graphite oxide, a step of preparing a first mixed liquid by mixing a dispersion containing an organic alkali metal compound or a derivative thereof with the graphite oxide, a step of preparing a second mixture by stirring and filtering the first mixed liquid, and a step of preparing the reduced graphite oxide by drying the second mixture. According to embodiments of the present invention, the graphite oxide may be rapidly reduced by using the organic alkali metal compound and the derivative thereof as a novel reducing agent of graphite oxide, and producing efficiency is high. Particularly, unlike an existing method performed at a high temperature, the reduced graphite oxide may be provided within a rapid time period at room temperature, and improved dispersibility may be obtained. The above-mentioned properties may be controlled through simple modification during a synthetic process.
    • 提供了制备还原性氧化石墨的方法。 根据本发明实施方案的还原性氧化石墨的制备方法包括提供氧化石墨的步骤,通过将含有机碱金属化合物或其衍生物的分散体与石墨混合制备第一混合液的步骤 氧化物,通过搅拌和过滤第一混合液制备第二混合物的步骤,以及通过干燥第二混合物制备还原性氧化石墨的步骤。 根据本发明的实施方案,通过使用有机碱金属化合物及其衍生物作为氧化石墨的新型还原剂,可以快速还原石墨氧化物,并且生产效率高。 特别地,与在高温下进行的现有方法不同,还原氧化石墨可以在室温的快速时间内提供,并且可以获得改善的分散性。 可以通过在合成过程中的简单修改来控制上述性质。
    • 9. 发明公开
    • 배향된 탄소나노튜브 페이퍼의 제조방법
    • 对准的碳纳米管纸及其制造方法
    • KR1020140008652A
    • 2014-01-22
    • KR1020120075408
    • 2012-07-11
    • 서울대학교산학협력단
    • 박종래오준영
    • C01B31/02B01D37/00B01D71/06
    • C01B32/168B01D37/00B01D71/06B82B3/0066C01B2202/08
    • An aligned carbon nanotube paper and a manufacturing method thereof are disclosed. The manufacturing method for the aligned carbon nanotube paper according to an embodiment of the present invention comprises: a step of producing a first mixed solution by mixing carbon nanotubes in a surface modification solution; a step of producing a second mixed solution by mixing the surface modified carbon nanotubes obtained by filtering the first mixed solution in a dispersion solvent; and a step of drying the second mixed solution after removing the dispersion solvent from the second mixed solution. The surface modification solution includes one among an acid solution, a polymer solution or a surfactant solution. [Reference numerals] (S100) Produce a first mixed solution by mixing carbon nanotubes in a surface modification solution; (S200) Produce a second mixed solution by mixing surface modified carbon nanotubes obtained by filtering the first mixed solution in a dispersion solvent; (S300) Dry the second mixed solution after removing the dispersion solvent from the second mixed solution
    • 公开了一种排列的碳纳米管纸及其制造方法。 根据本发明实施方案的对准的碳纳米管纸的制造方法包括:通过在表面改性溶液中混合碳纳米管来制备第一混合溶液的步骤; 通过将通过在分散溶剂中过滤第一混合溶液获得的表面改性碳纳米管混合制备第二混合溶液的步骤; 以及在从第二混合溶液中除去分散溶剂之后干燥第二混合溶液的步骤。 表面改性溶液包括酸溶液,聚合物溶液或表面活性剂溶液之一。 (附图标记)(S100)通过在表面改性溶液中混合碳纳米管来制造第一混合溶液; (S200)将通过将分散溶剂中的第一混合溶液进行过滤得到的表面改性碳纳米管混合,制造第二混合溶液; (S300)从第二混合溶液中除去分散溶剂后,干燥第二混合溶液
    • 10. 发明授权
    • 탄소나노소재의 표면 관능기 평가를 위한 보엠 적정 데이터 처리방법
    • 用于评估碳纳米管表面特征的BOEHM TITRATION数据处理方法
    • KR101334548B1
    • 2013-11-28
    • KR1020120075380
    • 2012-07-11
    • 서울대학교산학협력단
    • 박종래김연승
    • C01B31/02B01D37/00
    • C01B32/168B01D37/00B82B3/0085C01B32/15C01B2202/20
    • Disclosed is a boehm titration data processing method for evaluating a surface functional group of carbon nanomaterials. The boehm titration data processing method for evaluating the surface functional group of the carbon nanomaterials by one example of the present invention comprises the following steps: providing a reaction base solution; measuring the equivalent molar rate of a functional group of the reaction base solution through a first neutralization titration; making the reaction base solution react with the carbon nanomaterials; filtering the reaction base solution from the carbon nanomaterials; measuring the equivalent molar rate of the functional group of the reaction base solution through a second neutralization titration; and determining the reaction base consumption rate of the reaction base solution using the equivalent molar rates before and after the reaction. [Reference numerals] (S110) Providing a reaction base solution;(S120) Measuring the equivalent molar rate of a functional group of the reaction base solution before reaction through a first neutralization titration;(S130) Making the reaction base solution react with the carbon nanomaterials;(S140) Filtering the reaction base solution from the carbon nanomaterial;(S150) Measuring the equivalent molar rate of the functional group of the reaction base solution after reaction through a second neutralization titration;(S160) Determining the reaction base consumption rate of the reaction base solution using the equivalent molar rates before and after the reaction
    • 公开了一种用于评价碳纳米材料的表面官能团的伯氏滴定数据处理方法。 通过本发明的一个实例来评价碳纳米材料的表面官能团的伯氏滴定数据处理方法包括以下步骤:提供反应基质溶液; 通过第一次中和滴定测量反应基质溶液的官能团的当量摩尔比; 使反应基溶液与碳纳米材料反应; 从碳纳米材料过滤反应液; 通过第二次中和滴定测定反应基质溶液的官能团的当量摩尔比; 并且使用反应前后的当量摩尔比来测定反应碱溶液的反应碱消耗速率。 (S110)提供反应液溶液;(S120)通过第一次中和滴定测定反应前的反应碱溶液的官能团的当量摩尔比;(S130)使反应碱溶液与碳反应 纳米材料;(S140)从碳纳米材料中过滤反应液;(S150)通过第二次中和滴定法测定反应后的反应液溶液的官能团当量摩尔比;(S160)测定反应液的反应碱消耗率 反应碱溶液使用反应前后的当量摩尔比