期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 18, 页码 9841-9850出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b01849
关键词
amphiphilic block copolymer; carbon nanotube; noncovalent functionalization; solubility manipulation; nanocomposites; hybrid composites
资金
- Industrial Strategic Technology Development Program - Ministry of Trade, Industry & Energy (MI, Korea) [10041829]
- Fundamental R&D Program for Core Technology of Materials - Ministry of Knowledge Economy, Republic of Korea
- Korea Evaluation Institute of Industrial Technology (KEIT) [10041850, 10041829] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The design of amphiphilic polymer compatibilizers for solubility manipulation of CNT composites was systematically generalized in this study. Structurally tailored multiamphiphilic compatibilizer were designed and synthesized by applying simple, high-yield reactions. This multiamphiphilic compatibilizer was applied for noncovalent functionalization of CNTs as well as provided CNTs with outstanding dispersion stability, manipulation of solubility, and hybridization with Ag nanoparticles (NPs). With regard to the dispersion properties, superior records in maximum concentration (2.88-3.10 mg/mL in chloroform), and mass ratio of the compatibilizer for good CNT dispersion (36 wt %) were achieved by MWCNTs functionalized with a multiamphiphilic block copolymer compatibilizer. In particular, the solubility limitations of MWCNT dispersion in solvents ranging from toluene (nonpolar) to aqueous solution (polar) are surprisingly resolved by introducing this multiamphiphilic polymer compatibilizer. Furthermore, this polymer compatibilizer allowed the synthesis of the hybrid CNT nanocomposites with Ag nanoparticles by an in situ nucleation process. As such, the multiamphiphilic compatibilizer candidate as a new concept for the noncovalent functionalization of CNTs can extend their use for a wide range of applications.
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