DOI: 10.1002/pi.729. Preparation of polystyrene–graphite conducting nanocomposites via intercalation polymerization

Preparation of polystyrene–graphite conducting nanocomposites via intercalation polymerization

10.1002/pi.729

Crossref journal-article

Wiley

Polymer International (311)

Abstract

AbstractIn situ polymerization of styrene was conducted in the presence of expanded graphite obtained by rapid heating of a graphite intercalation compound (GIC), to form a polystyrene–expanded graphite conducting composite. The composite showed excellent electrically conducting properties even though the graphite content was much lower than in normal composites. The transition of the composite from an electrical insulator to an electrical semiconductor occurred when the graphite content was 1.8 wt%, which is much lower than that of conventional conducting polymer composites. TEM, SEM and other studies suggest that the graphite was dispersed in the form of nanosheets in a polymer matrix with a thickness of 10–30 nm, without modification of the space between carbon layers and the structure of the graphite crystallites. The composite exhibited high electrical conductivity of 10−2 S cm−1 when the graphite content was 2.8–3.0 wt%. This great improvement of conductivity could be attributed to the high aspect ratio (width‐to‐thickness) of the graphite nanosheets. The rolling process strongly affected the conductivity and the mechanical properties of the composite.© 2001 Society of Chemical Industry

Bibliography

Chen, G., Wu, D., Weng, W., He, B., & Yan, W. (2001). Preparation of polystyreneâgraphite conducting nanocomposites via intercalation polymerization. Polymer International, 50(9), 980â985. Portico.

Authors 5

Guo‐Hua Chen (first)
Da‐Jun Wu (additional)
Wen‐Gui Weng (additional)
Bin He (additional)
Wen‐li Yan (additional)

References 17 Referenced 171

Dates

Type	When
Created	23 years ago (Aug. 25, 2002, 5:50 p.m.)
Deposited	1 year, 10 months ago (Oct. 9, 2023, 11:49 p.m.)
Indexed	4 days, 14 hours ago (Aug. 21, 2025, 2:23 p.m.)
Issued	24 years, 1 month ago (July 24, 2001)
Published	24 years, 1 month ago (July 24, 2001)
Published Online	24 years, 1 month ago (July 24, 2001)
Published Print	23 years, 11 months ago (Sept. 1, 2001)

Funders 0

None

BibTeX

@article{Chen_2001, title={Preparation of polystyrene–graphite conducting nanocomposites via intercalation polymerization}, volume={50}, ISSN={1097-0126}, url={http://dx.doi.org/10.1002/pi.729}, DOI={10.1002/pi.729}, number={9}, journal={Polymer International}, publisher={Wiley}, author={Chen, Guo‐Hua and Wu, Da‐Jun and Weng, Wen‐Gui and He, Bin and Yan, Wen‐li}, year={2001}, month=jul, pages={980–985} }

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