Characteristics of Polycarbonate Composites with Poly(methyl methacrylate) Grafted Multi-Walled Carbon Nanotubes

To improve the mechanical strength and electrical conductivity of polycarbonate (PC)-based composites with multi-walled carbon nanotubes (MWCNT), poly(methyl methacrylate) (PMMA)-grafted MWCNT (PMMA-MWCNT) was first prepared by polymerizing the monomer MMA on MWCNT that was functionalized with 3-(tr...

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Published inMacromolecular research Vol. 26; no. 2; pp. 107 - 112
Main Authors Choi, Eun Yeob, Nam, Jeong Ung, Hong, So Hyun, Kim, Chang Keun
Format Journal Article
LanguageEnglish
Published Seoul The Polymer Society of Korea 01.02.2018
Springer Nature B.V
한국고분자학회
Subjects
Adhesion tests
Characterization and Evaluation of Materials
Chemical industry
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Dispersion
Electrical properties
Electrical resistivity
Energy measurement
Extrusion
Mechanical properties
Multi wall carbon nanotubes
Nanochemistry
Nanotechnology
Nanotubes
Physical Chemistry
Polycarbonate resins
Polymer matrix composites
Polymer Sciences
Polymethyl methacrylate
Soft and Granular Matter
고분자공학
composites
tensile strength
polycarbonate
interfacial adhesion
poly(methyl methacrylate) grafted multi-walled carbon nanotube
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ISSN1598-5032
2092-7673
DOI10.1007/s13233-018-6022-3

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Summary:To improve the mechanical strength and electrical conductivity of polycarbonate (PC)-based composites with multi-walled carbon nanotubes (MWCNT), poly(methyl methacrylate) (PMMA)-grafted MWCNT (PMMA-MWCNT) was first prepared by polymerizing the monomer MMA on MWCNT that was functionalized with 3-(trimethoxysily)propylmethacrylate. A composite of PC and MWCNT was then produced by melt extrusion to examine its mechanical properties; another composite was also fabricated from solution to explore the dispersion of MWCNT and the electrical conductivity. The measured adhesion energy of the PC and PMMA-MWCNT was the highest value that could be obtained with PC and MWCNT, which guaranteed the strongest adhesion and the most uniform dispersion of the MWCNT in the composite. When compared to the PC/MWCNTs composite, the PC composite with PMMA-MWCNT exhibited improved interfacial adhesion and dispersion of the MWCNT, resulting in better mechanical and electrical properties.
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ISSN:1598-5032
2092-7673
DOI:10.1007/s13233-018-6022-3