KR20080050735A - 전기 절연성을 가지는 실리콘고무/카본나노튜브 복합체의제조 방법 - Google Patents
전기 절연성을 가지는 실리콘고무/카본나노튜브 복합체의제조 방법 Download PDFInfo
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- KR20080050735A KR20080050735A KR1020060121351A KR20060121351A KR20080050735A KR 20080050735 A KR20080050735 A KR 20080050735A KR 1020060121351 A KR1020060121351 A KR 1020060121351A KR 20060121351 A KR20060121351 A KR 20060121351A KR 20080050735 A KR20080050735 A KR 20080050735A
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- C01B32/158—Carbon nanotubes
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/06—Multi-walled nanotubes
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Abstract
Description
시료(wt%/wt%) | 모듈러스(MPa) | 파단신도(%) | 강도(MPa) |
PDMS | 0.77 | 340.1 | 2.25 |
PDMS/MWNT-APS(99.8/0.2) | 1.05 | 416.5 | 3.56 |
PDMS/MWNT-COOH(99.8/0.2) | 0.94 | 165.6 | 1.61 |
Claims (5)
- (A) 다중벽 카본나노튜브를 100 - 140℃의 염산으로 5 - 7시간동안 반응시킨 후 50-70℃의 질산으로 10- 14시간 동안 산처리하는 단계;(B) 산처리된 다중벽 카본나노튜브를 싸이오닐 클로라이드(thionyl chloride)와 반응시켜 아실기를 함유한 다중벽 카본나노튜브를 얻는 단계; 및(C) 아실기를 함유한 카본나노튜브를 3-아미노프로필트리에톡시실란과 반응시켜 SiO2가 표면에 코팅된 다중벽 카본나노튜브 복합체를 얻는 단계를 포함하는 SiO2가 표면에 코팅된 카본나노튜브 복합체의 제조 방법.
- 제 1항에 있어서, 상기 (A)단계의 다중벽 카본나노튜브의 산처리는 120℃의 염산으로 6시간 및 60℃의 질산으로 12시간 동안 이루어지는 것을 특징으로 하는 SiO2가 표면에 코팅된 카본나노튜브 복합체의 제조 방법.
- 제 1항에 따라 제조된 SiO2가 표면에 코팅된 다중벽 카본나노튜브(MWCNT-APS)를 실리콘 고무와 혼합 교반하는 단계; 및 (B) 상기 혼합액에 경화제 및 촉매를 첨가하여 교반한 후 테프론 몰드에서 경화시키는 단계로 이루어지는 것을 특징 으로 하는 실리콘고무/카본나노튜브 복합체의 제조방법.
- 제 2항에 있어서, 상기 실리콘 고무는 폴리(디메틸실록산)인 것을 특징으로 하는 실리콘고무/카본나노튜브 복합체의 제조방법.
- 제 3항 또는 제 4항에 따라 제조된 실리콘고무/카본나노튜브 복합체는 복합체 전체 중량 대비 0 ~ 5wt%의 다중벽 카본나노튜브를 포함하는 것을 특징으로 하는 실리콘고무/카본나노튜브 복합체.
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