Surface Functionalization and Disaggregation of Nanodiamonds via In Situ Copolymerization
Nanodiamond (ND) has versatile applications in electro-optical devices, sensors, and biomedicine. However, serious aggregation of ND has limited its further applications. After introduction some double bonds on the ND surface by treatment with acryloyl chloride (AC), ND-grafted-poly(styrene)
(ND-PS) and ND-grafted-poly(methyl methacrylate) (ND-PMMA) having excellent solution dispersion were prepared via In Situ free radical copolymerization with styrene (St) and methyl methacrylate (MMA) using the “grafting from” synthesis strategy. Both FTIR and Raman results
reveal that the polymer chains are covalently attached to the ND surface and the ratio of grafted polymers was determined by TGA. Dynamic light scattering analysis, TEM images and contact angle analysis demonstrate that the dispersion, stability and hydrophobicity of ND have been significantly
improved after modification with PS and PMMA.
Keywords: Dispersion; Hydrophobicity; Nanodiamond; Polymer Chains
Document Type: Research Article
Affiliations: 1: Institute of Polymer Science and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China 2: Hybrid Materials Center, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, 305-0047, Japan
Publication date: December 1, 2017
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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