期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 115, 期 4, 页码 2162-2169出版社
JOHN WILEY & SONS INC
DOI: 10.1002/app.31329
关键词
microcapsule; urea-formaldehyde resin; epoxy resin; contact angle
资金
- National Natural Science Foundation of China
- Zhejiang Wenzhou Research Institute of Light Industry
- Graduate Innovation Fund of Shaanxi University of Science and Technology
- Key Laboratory of Auxiliary Light Chemical Industry in Shaanxi Province
Microcapsules with epoxy curing agent were successfully prepared by an in-situ polymerization route with epoxy resin and poly-(urea-formaldehyde) as core and shell materials, respectively. The synthetic conditions were optimized by a comprehensive investigation on raw materials consumption, size distribution, and surface morphology. Preparation of microcapsules with high wrap ratio was also demonstrated. The as-synthesized microcapsules were studied using various characterizations techniques, including optical microscope, fourier transform infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry, and contact angle meter. Spherical microcapsules (size: similar to 60 mu m) with smooth surface were obtained when the stirring rate was 400 rpm and the amount of core materials is 76 wt %. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115: 2162-2169, 2010
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