Publication: Structural-thermochromic relationship of polydiacetylene (PDA)/polyvinylpyrrolidone (PVP) nanocomposites: Effects of PDA side chain length and PVP molecular weight
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2017-02-25
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22345957
1226086X
1226086X
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2-s2.0-85005992142
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Mahidol University
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SCOPUS
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Journal of Industrial and Engineering Chemistry. Vol.46, (2017), 130-138
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Anothai Kamphan, Chanita Khanantong, Nisanart Traiphol, Rakchart Traiphol Structural-thermochromic relationship of polydiacetylene (PDA)/polyvinylpyrrolidone (PVP) nanocomposites: Effects of PDA side chain length and PVP molecular weight. Journal of Industrial and Engineering Chemistry. Vol.46, (2017), 130-138. doi:10.1016/j.jiec.2016.10.023 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/42179
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Structural-thermochromic relationship of polydiacetylene (PDA)/polyvinylpyrrolidone (PVP) nanocomposites: Effects of PDA side chain length and PVP molecular weight
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© 2016 The Korean Society of Industrial and Engineering Chemistry Reversible thermochromic polydiacetylene (PDA)/polyvinylpyrrolidone (PVP) nanocomposites are prepared by using 6 diacetylene (DA) monomers. The use of relatively low molecular weight (MW) PVP provides the nanocomposites with reversible thermochromism. The shortening of PDA alkyl tail causes the decrease of color-transition temperature, ranging from 75 to 85 °C. The shortening of alkyl segment adjacent to PDA carboxylic head group, however, does not provide the same trend. The nanocomposites constituting PDAs with 8, 6 and 4 methylene units exhibits color-transition at about the same temperature. The increase of PVP MW reduces the color-transition temperature and also affects thermochromic reversibilty of the PDA/PVP nanocomposites.