Nonflammable UV protective films consisting of clay and lignin with tunable light/gas transparency |
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| Authors: | Kazuhiro Shikinaka Asami Suzuki Yuichiro Otsuka |
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| Affiliation: | Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology, Nigatake, 4-2-1, Miyagino-ku, Sendai 983-8551 Japan.; Forestry and Forest Products Research Institute, Matsunosato, 1, Tsukuba 305-8687 Japan |
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| Abstract: | In this paper, we present nonflammable UV protective films consisting of clay minerals and lignin derivatives. The nonflammable transparent films were produced by mixing clay with a lignin derivative extracted from plants by simultaneous enzymatic saccharification and comminution. The preparation procedure did not require hazardous chemicals. The optical properties and gas permeability of the films could be tuned by the components and phase separation structure of the clay minerals and lignin derivatives. In particular, the gas transmittance of the films could be controlled in the range of several mol m−2 s−1 Pa−1. The present film uses mineral and plant components as high-value industrial materials and reduces the environmental load of extracting limited petroleum-based resources.Nonflammable UV protective films consisting of clay and lignin with tunable light/gas transparency were prepared. |
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