Document Detail


Grafting reactions of living macroanions with multi-walled carbon nanotubes.
MedLine Citation:
PMID:  17450926     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Grafting reactions of living polystyryllithium (PSLi) with acid chloride containing multi-walled carbon nanotubes (MWNTs-COCI) were performed under vacuum in benzene at room temperature. Covalent grafting of polystyrene (PS) was characterized using spectroscopic, microscopic, and thermogravimetric analyses. Grafting at different ratios of macroanion to acylchloride of the carbon nanotubes showed that the grafting efficiency was not dependent on the concentration of the macroanions. The mole percent of PS present in the MWNTs-g-PS samples was inversely proportional to the precursor molecular weight of PSLi. Direct reactions of PSLi, polybutadienyllithium and n-butyllithium with pristine MWNTs without any functional groups were also performed in the presence and in the absence of tetrahydrofuran in benzene. The grafting reactions of living macroanions either with MWNTs-COCl or with pristine MWNTs indicated a partial grafting of polymer on the carbon nanotubes in benzene at room temperature.
Authors:
Durairaj Baskaran; Georgios Sakellariou; Jimmy W Mays; Matthew S Bratcher
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  7     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:    2007 Apr-May
Date Detail:
Created Date:  2007-04-24     Completed Date:  2007-07-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1560-7     Citation Subset:  IM    
Affiliation:
Polymer Science and Engineering Division, National Chemical Laboratory, Pune 411008, India.
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MeSH Terms
Descriptor/Qualifier:
Anions*
Butadienes / chemistry
Carbon / chemistry
Chemistry / methods
Materials Testing
Molecular Conformation
Nanotechnology / methods*
Nanotubes, Carbon / chemistry*
Polymers / chemistry
Spectrophotometry
Spectroscopy, Fourier Transform Infrared
Styrene / chemistry
Temperature
Thermogravimetry
Chemical
Reg. No./Substance:
0/Anions; 0/Butadienes; 0/Nanotubes, Carbon; 0/Polymers; 100-42-5/Styrene; 106-99-0/1,3-butadiene; 7440-44-0/Carbon

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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