KR20150026158A - 탄소나노물질 함유 수지 조성물 및 플라스틱 성형품 - Google Patents
탄소나노물질 함유 수지 조성물 및 플라스틱 성형품 Download PDFInfo
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Abstract
Description
도 2는 실시예 2에서 제조된 ‘MWNT가 결합된 폴리아미드(PA66)’에 대한 SEM 사진이다. 원재료 상태의 MWNT를 폴리아미드와 함께 압출한 후 formic acid를 통해 녹여서 관찰할 경우 그림에서처럼 MWNT 표면의 폴리아미드가 모두 제거되어 원재료 상태와 동일한 얇은 실의 형태로 관찰된다. 하지만 MWNT 표면에 π-π 상호작용으로 폴리아미드를 결합시킨 후 폴리아미드 펠렛과의 동일한 압출 과정을 거쳐 formic acid로 녹여서 관찰할 때 그림에서처럼 MWNT 표면에 코팅되어있어 직경이 크고 표면이 매끄러워진 것을 확인할 수 있다. 이를 통해 MWNT가 결합된 폴리아미드를 구현하였음을 확인할 수 있다.
실시예 | 비교예 | |||||||
1 | 2 | 1 | 2 | 3 | 4 | 5 | ||
성분 | MWNT | O | O | X | O | O | O | O |
Pyrene 유도체 | PBA | PBC | X | X | pyrene | PBA | PBA | |
용매(메탄올)* | O | O | O | O | O | 과량 | O | |
Mixing 방법 | 교반기 | 기계식 | 초음파 | |||||
교반 시간(h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | |
물성 | 제조 효율 (kg/day) | 50 | 50 | 50 | 50 | 50 | 50 | 0.001 |
인장강도 (MPa) | 1898 | 1899 | 1606 | 1686 | 1786 | 1607 | 1890 | |
인장탄성률 (GPa) | 68 | 75 | 59 | 64 | 58 | 60 | 69 | |
표면고유저항(Ω/㎝) | 10^8 | 10^8 | >10^13 | 10^10 | 10^9 | 10^10 | 10^8 | |
전자파차폐 (dB) | 8 | 8 | 0 | 4 | 6 | 5 | 8 |
실시예 | ||
3 | ||
성분 | MWNT | O |
Pyrene 유도체 | PBA | |
용매 | 물 | |
Mixing 방법 | 교반기 | 기계식 |
교반시간(hr) | 12 | |
물성 | 제조 효율 (kg/day) | 50 |
인장강도 (MPa) | 1898 | |
인장탄성률 (GPa) | 68 | |
표면고유저항(Ω/㎝) | 10^8 | |
전자파차폐 (dB) | 8 |
Claims (16)
- 열가소성 수지 80 내지 99.9 중량부; 및 다환방향족탄화수소 유도체 포함 탄소나노물질 0.1 내지 20 중량부;를 포함하는 탄소나노물질 함유 수지 조성물.
- 제1항에 있어서,
상기 다환방향족탄화수소 유도체 포함 탄소나노물질은, 상기 탄소나노물질과 다환방형족탄화수소 유도체의 중량비가 1:0.1 내지 1:1.5인 것을 특징으로 하는 수지 조성물. - 제1항에 있어서,
상기 탄소나노물질은, 탄소나노튜브, 그래핀(graphene) 및 탄소나노화이버중에서 선택된 1종 이상인 것을 특징으로 하는 수지 조성물 - 제1항에 있어서,
상기 다환방향족탄화수소 유도체는, 융합된 벤젠 고리(fused benzene ring)가 2 내지 5 개인 것을 특징으로 하는 수지 조성물. - 제1항에 있어서,
상기 다환방향족탄화수소 유도체는, 트리알킬 아자니움 기(trialkyl azanium group), 카르복시산 기(carboxylic acid group) 및 아실 클로라이드 기(acylchloride group) 중에서 선택된 1종 이상의 관능기를 함유하는 것을 특징으로 하는 수지 조성물. - 제1항에 있어서,
상기 열가소성 수지는, 아미드계 중합체, 에스테르계 중합체, 아크릴레이트계 중합체, 폴리케톤계 중합체, 비닐계 중합체, 스티렌계 중합체, 폴리올레핀 및 폴리페닐렌에테르 중에서 선택된 1종 이상 중에서 선택된 1종 이상인 것을 특징으로 하는 수지 조성물. - 제1항에 있어서,
상기 조성물은 화이버 형상의 보강재 0.1 내지 50 중량부를 더 포함하는 것을 특징으로 하는 수지 조성물. - 제7항에 있어서,
상기 화이버 형상의 보강재는 탄소 섬유 및 유리 섬유 중에서 선택된 1종 이상인 것을 특징으로 하는 수지 조성물. - 제1항에 있어서,
상기 조성물은 지르코니아 볼, 및 고분자 펠릿 중에서 선택된 1종 이상의 충격 에너지 인가용 제제를 더 포함하는 것을 특징으로 하는 수지 조성물. - a) 하기 b)단계에서 용융혼련하고자 하는 열가소성 수지 100 중량부 기준으로, 탄소나노물질 0.1내지 20 중량부, 다환방향족탄화수소 유도체(polycyclic aromatic hydrocarbon derivative) 0.1 내지 20 중량부, 및 용매 60 내지 99.8 중량부를 기계식 교반기로 교반하여 탄소나노물질에 다환방향족탄화수소 유도체를 코팅시키는 단계; 및 b) 상기 코팅물 0.1 내지 5 중량부를 상기 열가소성 수지 100 중량부에 용융 혼련하는 단계;를 포함하는 것을 특징으로 하는 탄소나노물질 함유 수지 조성물의 제조방법.
- 제10항에 있어서,
상기 a) 단계에서 화이버 형상의 보강재 0.1 내지 50 중량부를 더 포함하는 것을 특징으로 하는 수지 조성물의 제조방법. - 제10항에 있어서,
상기 a) 단계에서 지르코니아 볼, 및 고분자 펠릿 중에서 선택된 1종 이상의 충격 에너지 인가용 제제를 더 포함하는 것을 특징으로 하는 수지 조성물의 제조방법. - 제10항에 있어서,
상기 용매는, 물, 에탄올, 메탄올, 테트라하이드로퓨렌(THF), 클로로포름, 톨루엔 및 벤젠 중에서 선택된 1종 이상인 것을 특징으로 하는 수지 조성물의 제조방법. - 제10항 내지 제13항 중 어느 한 항의 방법에 의해 제조된 탄소나노물질 함유 수지 조성물을 성형에 의해 수득된 표면 저항 제어된 성형품.
- 제14항에 있어서,
상기 성형은 압출 성형 및 사출 성형 중에서 선택된 1종 이상의 방식으로 수행하는 것을 특징으로 하는 성형품. - 제14항에 있어서,
상기 성형품은 전자파 차폐, 정전분산, 대전 방지용 제품에 적용하는 것을 특징으로 하는 성형품.
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