KR102201302B1 - 분말 형태의 폴리 프로필렌 및 탄소 나노 튜브로 제조된 플라즈마 기능화된 고분자 복합체 및 이의 제조방법 - Google Patents
분말 형태의 폴리 프로필렌 및 탄소 나노 튜브로 제조된 플라즈마 기능화된 고분자 복합체 및 이의 제조방법 Download PDFInfo
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- KR102201302B1 KR102201302B1 KR1020180150968A KR20180150968A KR102201302B1 KR 102201302 B1 KR102201302 B1 KR 102201302B1 KR 1020180150968 A KR1020180150968 A KR 1020180150968A KR 20180150968 A KR20180150968 A KR 20180150968A KR 102201302 B1 KR102201302 B1 KR 102201302B1
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- C08K3/041—Carbon nanotubes
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
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Abstract
Description
도 2는 복합체 제조의 모식도를 나타낸 것이다.
도 3은 u-PP (a의 실선), f-PP (a의 점선), u-SWNTs (b의 실선) 및 f-SWNTs (b의 점선)의 FTIR 스펙트럼을 나타낸 것이다.
도 4는 산소 플라즈마에 의하여 변형되는 PP 분말 및 SWNT의 메커니즘을 모식도로 나타낸 것이다.
도 5는 다양한 함량의 SWNT를 갖는 나노 복합물의 SEM 이미지의 결과로, 붉은색 점 원은 SWNT의 응집체를 나타낸 것이다((a) 0.29 wt.% u-SWNTs/u-PP (b) 0.29 wt.% f-SWNTs/f-PP (c) 1.28 wt.% u-SWNTs/u-PP (d) 1.16 wt.% f-SWNTs/f-PP (e) 6.56 wt.% u-SWNTs/u-PP (f) 5.52 wt.% f-SWNTs/f-PP).
도 6은 SWNT의 함량에 따른 플라즈마 처리되지 않은 복합체(왼쪽) 및 플라즈마 처리된 복합체(오른쪽)의 SWNT 응집체 크기 분포의 양이온 현미경 이미지 및 면적 비를 나타낸 것이다.
도 7은 플라즈마 처리되지 않은 SWNT 복합체(삼각형) 및 플라즈마 처리된 SWNT 복합재(원형)의 SWNT 중량%에 대한 총 면적 분율(AA)을 그래프로 나타낸 것이다.
도 8은 u-SWNT/u-PP (왼쪽) 및 f-SWNT/f-PP(오른쪽) 복합체의 저장 모듈러스 (G'), 손실 모듈러스 (G”) 및 복합 점도(η)를 나타낸 것이다.
도 9는 u-SWNT/u-PP (빨간색 점) 및 f-SWNT/f-PP (검은색 점) 복합체의 인장 강도를 나타낸 것으로, 같은 색의 다른 문자는 95 신뢰 수준(α= 0.05)에서 통계적으로 유의미한 차이가 있음을 의미한다.
도 10은 u-SWNT/u-PP (빨간색 점) 및 f-SWNT/f-PP (파란색 점) 복합체의 전기 전도도 및 퍼콜레이션 임계값(Фc)을 나타낸 것이다.
Sample No. | SWNT contents (wt.%) | |
u-SWNTs/u-PP | f-SWNTs/f-PP | |
1 | 0.29 ± 0.075 | 0.29 ± 0.095 |
2 | 0.43 ± 0.033 | 0.48 ± 0.046 |
3 | 0.62 ± 0.16 | 0.59 ± 0.058 |
4 | 1.28 ± 0.27 | 1.16 ± 0.106 |
5 | 2.94 ± 0.28 | 2.30 ± 0.120 |
6 | 3.66 ± 0.48 | 2.60 ± 0.253 |
7 | 4.29 ± 0.10 | 3.86 ± 0.146 |
8 | 4.80 ± 0.18 | 4.26 ± 0.618 |
9 | 6.56 ± 0.04 | 5.52 ± 0.332 |
Claims (12)
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- 전도성 고분자 복합체 제조방법으로서,
분말 형태의 폴리프로필렌 및 단일벽 탄소 나노튜브를 준비하는 제1단계;
상기 분말 형태의 폴리프로필렌 및 상기 단일벽 탄소 나노튜브를 산소 플라즈마 처리하는 제2단계; 및
상기 플라즈마 처리된 분말 형태의 폴리프로필렌 및 단일벽 탄소 나노튜브를 압축 성형하여 복합체를 제조하는 제3단계;를 포함하고,
상기 전도성 고분자 복합체의 퍼콜레이션 임계값은 0.01 wt% 내지 1.0 wt%이고,
상기전도성 고분자 복합체 전체 기준으로 상기 단일벽 탄소 나노튜브의 함량은 0.1 내지 0.7 wt%이고,
상기 단일벽 탄소 나노튜브의 결함 부위에 산소가 첨가된 그룹이 형성되는, 전도성 고분자 복합체 제조방법.
- 삭제
- 삭제
- 제8항에 있어서, 상기 제1단계는 폴리프로필렌을 동결 분쇄하여 분말 형태로 준비하는 단계인, 전도성 고분자 복합체 제조방법.
- 제8항에 있어서, 상기 제1단계의 단일벽 탄소 나노튜브의 직경은 0.1 내지 5 nm이고, 길이는 1 내지 15 ㎛인, 전도성 고분자 복합체 제조방법.
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JP2013515847A (ja) * | 2009-12-28 | 2013-05-09 | 日本ポリプロ株式会社 | ポリオレフィン中のナノチューブ及び/又はナノ小板の分散 |
KR101795788B1 (ko) * | 2016-10-27 | 2017-11-08 | 한국과학기술연구원 | 고분자-탄소필러 복합체 및 이의 제조방법 |
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JP2013515847A (ja) * | 2009-12-28 | 2013-05-09 | 日本ポリプロ株式会社 | ポリオレフィン中のナノチューブ及び/又はナノ小板の分散 |
KR101795788B1 (ko) * | 2016-10-27 | 2017-11-08 | 한국과학기술연구원 | 고분자-탄소필러 복합체 및 이의 제조방법 |
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KR102201302B1 (ko) | 분말 형태의 폴리 프로필렌 및 탄소 나노 튜브로 제조된 플라즈마 기능화된 고분자 복합체 및 이의 제조방법 |
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