KR20180082364A - 그래핀계 액정 분산액, 액정복합탄성섬유 및 이의 제조방법 - Google Patents
그래핀계 액정 분산액, 액정복합탄성섬유 및 이의 제조방법 Download PDFInfo
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- KR20180082364A KR20180082364A KR1020180003591A KR20180003591A KR20180082364A KR 20180082364 A KR20180082364 A KR 20180082364A KR 1020180003591 A KR1020180003591 A KR 1020180003591A KR 20180003591 A KR20180003591 A KR 20180003591A KR 20180082364 A KR20180082364 A KR 20180082364A
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 극성기를 갖는 고분자를 포함하는 고분자 용액에 그래핀계 물질을 분산시킨 그래핀계 조성물의 모식도이다.
도 3은 본 발명의 일 실시예에 따른 그래핀계 조성물의 액정상 거동에 대하여 편광현미경으로 관찰한 사진이다.
Claims (15)
- a) 극성기를 갖는 고분자를 포함하는 고분자 용액에 그래핀계 물질을 분산 또는 화학반응시켜 상기 극성기를 갖는 고분자가 그래핀계 물질에 인터칼레이션된 그래핀계 조성물을 준비하는 단계; 및
b) 상기 그래핀계 조성물을 방사하여 액정복합탄성섬유를 얻는 단계;
를 포함하는 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 그래핀계 조성물은 액정성을 갖는 것인 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 그래핀계 조성물은 탄소나노튜브를 더 포함하는 액정복합탄성섬유의 제조방법. - 제 3항에 있어서,
상기 그래핀계 물질과 탄소나노튜브는 1: 0.1 내지 1:1중량비인 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 그래핀계 조성물 총 중량에 대하여, 그래핀계 물질 0.8 내지 10중량% 포함하는 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 고분자 용액은 총 중량에 대하여, 극성기를 갖는 고분자 1 내지 40중량% 포함하는 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 방사는 습식 방사 또는 전기 방사인 액정복합탄성섬유의 제조방법. - 제 1항에 있어서,
상기 극성기를 갖는 고분자는 폴리알킬렌글리콜계, 폴리우레탄계 및 폴리비닐알코올계에서 선택되는 어느 하나 또는 둘 이상의 고분자인 액정복합탄성섬유의 제조방법. - 제 8항에 있어서,
상기 a)단계에서 반응성 관능기를 포함하는 폴리우레탄계 고분자는 상기 그래핀계 물질과 공유결합을 형성하는 단계;를 더 포함하는 액정복합탄성섬유의 제조방법. - 제 1항 내지 제9항에서 선택되는 어느 한 항의 제조방법으로 제조된 액정복합탄성섬유.
- 그래핀계 물질 층간에 극성기를 갖는 고분자가 삽입되어 그래핀계 물질과 수소결합 또는 공유결합된 액정복합탄성섬유.
- 제11항에 있어서,
상기 그래핀계 물질은 탄소나노튜브를 더 포함하여 복합화 된 것인 액정복합탄성섬유. - 제 11항에 있어서,
상기 그래핀계 물질과 상기 탄소나노튜브는 1: 0.1 내지 1:1중량비로 복합화된 액정복합탄성섬유. - 제 11항에 있어서,
상기 그래핀계 물질과 상기 극성기를 갖는 고분자는 1: 0.1 내지 1:1,000 중량비로 결합된 액정복합탄성섬유.
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| KR20250011873A (ko) * | 2023-07-14 | 2025-01-22 | 오션스바이오 주식회사 | 전기 자극 전달이 용이한 그래핀과 탄소나노튜브의 혼합 구조물의 제조 방법 |
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| US11106064B2 (en) * | 2018-06-15 | 2021-08-31 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Tuning the polar anchoring strength by doping graphene flakes and resulting accelerated electro-optic switching in liquid crystal devices |
| US20210112669A1 (en) * | 2019-10-09 | 2021-04-15 | National Taiwan University Of Science And Technology | Conductive slurry and plating method using the same |
| CN111636117B (zh) * | 2020-06-16 | 2022-09-02 | 广东石油化工学院 | 一种强韧聚氨酯纳米复合纤维的制备方法 |
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