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Synthesis of Monodisperse Silica Particles Coated with Well-Defined, High-Density Polymer Brushes by Surface-Initiated Atom Transfer Radical Polymerization
Abstract
Monodisperse silica particles (SiPs) of diameter between 100 and 1500 nm were surface-modified in a mixture of ethanol/water/ammonia with a newly designed triethoxysilane having an atom transfer radical polymerization (ATRP) initiating site, (2-bromo-2-methyl)propionyloxyhexyltriethoxysilane. The surface-initiated ATRP of methyl methacrylate (MMA) mediated by a copper complex was carried out with the initiator-fixed SiPs in the presence of a “sacrificial” (free) initiator. The polymerization proceeded in a living manner in all examined cases, producing SiPs coated with well-defined PMMA of a target molecular weight up to 480K with a graft density as high as 0.65 chains/nm 2 . These hybrid particles had an exceptionally good dispersibility in organic solvents. Transmission electron microscopic and atomic force microscopic observations of their monolayers prepared at the air−water interface revealed that they formed an ordered 2-dimensional lattice extending throughout the monolayer.
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Cited by
Polymer/Silica Nanocomposites: Preparation, Characterization, Properties, and Applications
Zou, H., Wu, S., & Shen, J. (2008) · Chemical Reviews · doi:10.1021/cr068035q · Cited by 2,121
Barbey, R., Lavanant, L., Paripovic, D., Schüwer, N., Sugnaux, C., Tugulu, S., & Klok, H.-A. (2009) · Chemical Reviews · doi:10.1021/cr900045a · Cited by 1,753
Flexible Nanodielectric Materials with High Permittivity for Power Energy Storage
Dang, Z., Yuan, J., Yao, S., & Liao, R. (2013) · Advanced Materials · doi:10.1002/adma.201301752 · Cited by 1,454
Ouchi, M., Terashima, T., & Sawamoto, M. (2009) · Chemical Reviews · doi:10.1021/cr900234b · Cited by 1,257
Zoppe, J. O., Ataman, N. C., Mocny, P., Wang, J., Moraes, J., & Klok, H.-A. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00314 · Cited by 1,046
Metadata
- Authors
- Ohno, K., Morinaga, T., Koh, K., Tsujii, Y., & Fukuda, T.
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-02-09
- Volume
- 38
- Issue
- 6
- Pages
- 2137-2142
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W2045001517
- Cited by
- 569
- References
- 0
- FWCI
- 17.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ohno, K., Morinaga, T., Koh, K., Tsujii, Y., & Fukuda, T. (2005). Synthesis of Monodisperse Silica Particles Coated with Well-Defined, High-Density Polymer Brushes by Surface-Initiated Atom Transfer Radical Polymerization. Macromolecules. https://doi.org/10.1021/ma048011q
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