Thermochromic microcapsules with highly transparent shells obtained through in-situ polymerization of urea formaldehyde around thermochromic cores for smart wood coatings
| Autor: | Zhao Li, Yu Liu, Xiaodong Zhu, Wang Weicong |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Thermochromism
Multidisciplinary Materials science Fabrication Urea-formaldehyde lcsh:R Shell (structure) lcsh:Medicine Core (manufacturing) 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Smart material 01 natural sciences Article 0104 chemical sciences chemistry.chemical_compound chemistry Chemical engineering lcsh:Q Particle size In situ polymerization 0210 nano-technology lcsh:Science |
| Zdroj: | Scientific Reports, Vol 8, Iss 1, Pp 1-10 (2018) Scientific Reports |
| ISSN: | 2045-2322 |
| Popis: | In this paper, thermochromic microcapsules were synthesized in situ polymerization with urea formaldehyde as shell material and thermochromic compounds as core material. The effects of emulsifying agent and conditions on surface morphology and particle size of microcapsules were studied. It was found that the size and surface morphology of microcapsules were strongly depending on stirring rate and the ratio of core to shell. The stable and small size spherical microcapsules with excellent transparency can be obtained at an emulsifying agent to core to shell ratio as 1:5:7.5 under mechanical stirring at 12 krpm for 15 min. Finally, the thermochromic property was discussed by loading microcapsules in wood and wood coatings. Results indicate that microcapsules can realize the thermochromic property while incorporated with wood and coatings, and could have high potential in smart material fabrication. |
| Databáze: | OpenAIRE |
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