KR101709823B1 - 나노튜브 직물 층 및 필름 내의 밀도, 다공도 및/또는 간극 크기를 제어하는 방법 - Google Patents
나노튜브 직물 층 및 필름 내의 밀도, 다공도 및/또는 간극 크기를 제어하는 방법 Download PDFInfo
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Abstract
Description
도 2a-2b는 개별 나노튜브 구성요소의 래프팅을 실질적으로 나타내지 않는 나노튜브 직물 층의 (상이한 배율에서의) SEM 이미지이다;
도 3은 본 개시내용의 하나 이상의 실시양태에 따른 개별 나노튜브 구성요소의 래프팅을 실질적으로 나타내는 나노튜브 직물 층을 도시하는 도면이다;
도 4a-4b는 본 개시내용의 하나 이상의 실시양태에 따른 개별 나노튜브 구성요소의 래프팅을 실질적으로 나타내는 나노튜브 직물 층의 (상이한 배율에서의) SEM 이미지이다;
도 5는 고도로 래프팅된 나노튜브 직물 층을 형성하도록 나노튜브 적용 용액을 제조하는 본 개시내용에 따른 방법을 도시하는 공정 다이아그램이다;
도 6은 실질적으로 래프팅되지 않는 나노튜브 직물 층을 형성하도록 나노튜브 적용 용액을 제조하는 본 개시내용에 따른 방법을 도시하는 공정 다이아그램이다;
도 7은 복수의 나노튜브 적용 용액에서 취한 질산암모늄염 수준(ppm 단위로 측정)에 대한 전도도 판독(μS/㎝ 단위로 측정)을 작도한 그래프이다;
도 8a-8c는 대략 11.6%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가 배율에서의) SEM 이미지이다;
도 9a-9c는 대략 18.9%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 10a-1Oc는 대략 5.5%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 11a-11c는 대략 37.8%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 12a-12c는 실질적으로 래프팅을 나타내지 않는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 13a-13c는 실질적으로 래프팅을 나타내지 않는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 14a-14c는 대략 13.1%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 15a-15c는 대략 10.0%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
도 16a-16c는 대략 35.0%의 래프팅을 나타내는 본 개시내용의 방법에 따라 형성된 예시적인 나노튜브 직물 층의 (증가하는 배율에서의) SEM 이미지이다;
Claims (26)
- 나노튜브 적용 용액으로서,
액체 매질;
제1 농도로 상기 액체 매질에 분산된 제1 복수의 나노튜브 구성요소; 및
제2 농도로 상기 액체 매질에 분산된 제2 복수의 이온성 입자
를 포함하며, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상은 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내에 구현된 래프팅(rafting) 정도를 제어하도록 선택되고,
복수의 나노튜브 구성요소의 농도는 래프팅 정도에 비례하고, 복수의 이온성 입자의 농도는 래프팅 정도에 반비례하는 것인 나노튜브 적용 용액. - 제1항에 있어서, 상기 제1 복수의 나노튜브 구성요소는 탄소 나노튜브인 나노튜브 적용 용액.
- 제2항에 있어서, 상기 탄소 나노튜브는 단일벽 탄소 나노튜브인 나노튜브 적용 용액.
- 제2항에 있어서, 상기 탄소 나노튜브는 다중벽 탄소 나노튜브인 나노튜브 적용 용액.
- 제1항 또는 제2항에 있어서, 상기 제2 복수의 이온성 입자는 질산암모늄염, 포름산암모늄, 아세트산암모늄, 탄산암모늄, 중탄산암모늄, 이온성 유기 종 및 이온성 중합체 중 1종 이상을 포함하는 것인 나노튜브 적용 용액.
- 제1항 또는 제2항에 있어서, 상기 액체 매질은 수용액, 질산 용액 및 황산 용액 중 1종인 나노튜브 적용 용액.
- 제1항 또는 제2항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상은 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내의 래프팅을 촉진하도록 선택되는 것인 나노튜브 적용 용액.
- 제1항 또는 제2항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상은 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내의 래프팅을 막도록 선택되는 것인 나노튜브 적용 용액.
- 제1항에 따른 나노튜브 적용 용액으로부터 제조된 나노직물(nanofabric).
- 나노튜브 적용 용액의 제조 방법으로서,
액체 매질에 분산된, 제1 농도의 제1 복수의 나노튜브 구성요소 및 제2 농도의 제2 복수의 이온성 입자를 포함하는 미처리 나노튜브 적용 용액을 형성시키는 단계; 및
상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상을, 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내에 구현된 래프팅 정도를 제어하도록 조정하는 단계
를 포함하고,
복수의 나노튜브 구성요소의 농도는 래프팅 정도에 비례하고, 복수의 이온성 입자의 농도는 래프팅 정도에 반비례하는 것인 제조 방법. - 제10항에 있어서, 상기 제1 복수의 나노튜브 구성요소는 탄소 나노튜브인 제조 방법.
- 제11항에 있어서, 상기 탄소 나노튜브는 단일벽 탄소 나노튜브인 제조 방법.
- 제11항에 있어서, 상기 탄소 나노튜브는 다중벽 탄소 나노튜브인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제2 복수의 이온성 입자는 질산암모늄염, 포름산암모늄, 아세트산암모늄, 탄산암모늄, 중탄산암모늄, 이온성 유기 종 및 이온성 중합체 중 1종 이상을 포함하는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 액체 매질은 수용액, 질산 용액 및 황산 용액 중 1종인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상은, 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내의 래프팅을 촉진하도록 조정되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도는 증가되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도는, 상기 나노튜브 적용 용액 내에 상기 액체 매질의 용적을 감소시킴으로써 증가되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제2 복수의 이온성 입자의 상기 제2 농도는 감소되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제2 복수의 이온성 입자의 상기 제2 농도는, 여과 공정을 통해 감소되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 여과 공정은 교차 흐름(cross flow) 여과 공정, 초음파 여과 공정 및 원심분리 여과 공정 중 하나인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도 및 상기 제2 복수의 이온성 입자의 상기 제2 농도 중 하나 이상은, 상기 나노튜브 적용 용액을 사용하여 형성되는 나노튜브 직물 층 내의 래프팅을 막도록 조정되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도는 감소되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제1 복수의 나노튜브 구성요소의 상기 제1 농도는, 상기 나노튜브 적용 용액 내로 상기 액체 매질의 추가 용적을 도입함으로써 감소되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제2 복수의 이온성 입자의 상기 제2 농도는 증가되는 것인 제조 방법.
- 제10항 또는 제11항에 있어서, 상기 제2 복수의 이온성 입자의 상기 제2 농도는, 상기 나노튜브 적용 용액 내에 추가량의 상기 이온성 입자를 도입함으로써 증가되는 것인 제조 방법.
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KR20240113105A (ko) | 2023-01-13 | 2024-07-22 | 국립강릉원주대학교산학협력단 | 다양한 크기를 갖는 단일벽 탄소나노튜브의 제조방법 및 이에 의해 제조된 단일벽 탄소나노튜브 |
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