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Volumn 15, Issue 6, 2005, Pages 910-916

Preparation of homogeneously dispersed multiwalled carbon nanotube/polystyrene nanocomposites via melt extrusion using trialkyl imidazolium compatibilizer

Author keywords

[No Author keywords available]

Indexed keywords

DIFFERENTIAL SCANNING CALORIMETRY; DISPERSIONS; EXTRUSION; FOURIER TRANSFORMS; IMAGE ANALYSIS; LAMINATES; MELTING; NANOSTRUCTURED MATERIALS; POLYSTYRENES; SYNTHESIS (CHEMICAL); TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION;

EID: 20544477224     PISSN: 1616301X     EISSN: None     Source Type: Journal    
DOI: 10.1002/adfm.200400441     Document Type: Article
Times cited : (223)

References (41)
  • 1
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    • S. Iijima, Nature 1991, 354, 56.
    • (1991) Nature , vol.354 , pp. 56
    • Iijima, S.1
  • 30
    • 20544468461 scopus 로고    scopus 로고
    • note
    • In the TEM images the lengths of MWNTs appears smaller (10-500 nm) than the theoretical length (1-2 μm). Extrusion can cause some breakage of nanotubes [12] but here the main reason is the 100 nm thickness of the TEM section. Nanotubes are cut by the diamond knife during microtoming preventing observation of the real carbon-nanotube length.
  • 32
    • 20544448002 scopus 로고    scopus 로고
    • note
    • Since the TEM samples are microtomed at room temperature and the DMHDIm-TFB does not melt until 75°C, the phase-separated DMHDIm-TFB domains may be pulling out of the sections. It is not likely that these holes are from degradation of the imidazolium salt; the DMHDIm-TFB used to modify the MWNTs has a high thermal stability (325°C), much higher than the processing temperature (195°C). Indeed, these holes do not appear in the TEM images of PS/MWNT-untreated sample, or for the sample with a 1:1 DMHDIm-TFB-to-MWNT ratio.
  • 39
    • 20544466213 scopus 로고    scopus 로고
    • note
    • This work was carried out by the National Institute of Standards and Technology (NIST), an agency of the U. S. government and by statute is not subject to copyright in the United States. Certain commercial equipment, instruments, materials or companies are identified in this paper in order to adequately specify the experimental procedure. This in no way implies endorsement or recommendation by NIST. The policy of NIST is to use metric units of measurement in all its publications, and to provide statements of uncertainty for all original measurements. In this document, however, data from organizations outside NIST are shown, which may include measurements in non-metric units or measurements without uncertainty statements.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.