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Published on: December 16, 2013
Core/shell particles containing 3-(methacryloxypropyl)-trimethoxysilane in the shell: synthesis, characterization,
Shunsheng Cao1, Bailing Liu, Xiaobo Deng
1Chengdu Institute of Organic Chemistry, The Graduate School of CAS, Chinese Academy of Sciences, Chengdu 610041, P. R. China.
Macromolecular Bioscience
|July 13, 2005
Summary
This study successfully prepared novel core/shell polyacrylate/polysiloxane (PA/PSi) particles using dispersion polymerization. These composite particles offer improved properties for advanced material applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Core/shell particles exhibit superior properties compared to single-component materials.
- Polysiloxane offers desirable surface properties but lacks cohesiveness, while polyacrylate provides good film-forming capabilities.
- Combining polyacrylate (PA) and polysiloxane (PSi) is challenging due to hydrophobicity differences, hindering traditional synthesis methods.
Purpose of the Study:
- To develop a novel method for synthesizing core/shell PA/PSi particles.
- To overcome limitations in preparing composite particles with significantly different hydrophobicities.
- To characterize the resulting core/shell structure and explore potential applications.
Main Methods:
- Dispersion polymerization under kinetically controlled conditions was employed.
- Poly(butyl methacrylate) (PA) was used as the core material.
- Poly(3-(methacryloxypropyl)-trimethoxysilane) (PSi) served as the shell material.
Main Results:
- The successful formation of core/shell PA/PSi particles was confirmed.
- Characterization techniques including TEM, DSC, particle size analysis, and contact angle measurements validated the core-shell structure.
- The study demonstrated a viable method for creating these composite particles.
Conclusions:
- A new route for synthesizing PA/PSi core/shell particles was established using dispersion polymerization.
- The developed method addresses challenges associated with combining hydrophobic polymers.
- The synthesized particles show promise for various material applications requiring tailored surface properties.
