Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 138, Issue 13, Pages -Publisher
WILEY
DOI: 10.1002/app.50111
Keywords
coatings; nanoparticles; nanowires and nanocrystals
Categories
Funding
- National Natural Science Foundation of China [51802259]
- China Postdoctoral Science Foundation [2019M663785]
- Natural Science Foundation of Shaanxi [2019JQ-510]
- Opening Project of Shanxi Key Laboratory of Advanced Manufacturing Technology [XJZZ202001]
- Scientific Research Project of Shaanxi Education Department [20JS108]
- Promotion Program for Youth of Shaanxi University science and technology association [20190415]
- Fund of Key laboratory of Processing and Quality Evaluation Technology of Green Plastics of China National Light Industry council [PQETGP2019003]
- Innovation Guidance of Technology Program of Shaanxi Province [2020CGXNG-022]
- Key Program of China People's Police University [ZDZX202001]
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Homogenous waterborne polyurethane/polyacrylate emulsions were successfully synthesized and characterized, showing improved thermal stability and elongation at break compared to waterborne polyurethane. The composites exhibited a single-phase structure with a higher polyacrylate content, smaller particle size, and narrower particle size distribution.
Homogenous waterborne polyurethane/polyacrylate emulsions were synthesized based on the prepared polyurethane and polyacrylate through a facile process. The attention was attracted to the miscibility and performance of waterborne polyurethane and polyacrylate. The structures and properties of waterborne polyurethane and waterborne polyurethane/polyacrylate samples were characterized by using Fourier transform infrared spectroscopy, transmission electron microscope, X-ray photoelectron spectroscopy, X-ray diffractometer, thermogravimetric, and so forth, as well as solid content and tensile testing. The results showed that the micro morphology of waterborne polyurethane/polyacrylate emulsion presented single-phase structure with the stoichiometric polyacrylate content increasing from 33% to 80% to waterborne polyurethane. The waterborne polyurethane/polyacrylate films surface is rich in polyacrylate phase. Meanwhile, waterborne polyurethane/polyacrylate composites showed significant improvement in thermal stability and elongation at break, smaller particle size and narrower particle size distribution comparing with waterborne polyurethane.
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