Poplar-based thermochromic composites that change colour at 38 °C to 46 °C

Abstract The red thermochromic dye (R-TD) is the tetradecanoic acid tetradecyl ester (C28H56O2) and methyl red (C15H15N3O2) mixture that has better permeability enabling its infiltration into wood and better thermochromic properties changing its colour at above 30 °C after about 0.5 min. Thicker pop...

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Autores principales:	Weihua Zou, Zimu Li, Zhangheng Wang, Delin Sun, Pingfang Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ed7ac595a2ce4ae59c52738e0fb04652
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spelling	oai:doaj.org-article:ed7ac595a2ce4ae59c52738e0fb046522021-12-02T18:51:52ZPoplar-based thermochromic composites that change colour at 38 °C to 46 °C10.1038/s41598-021-95274-22045-2322https://doaj.org/article/ed7ac595a2ce4ae59c52738e0fb046522021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95274-2https://doaj.org/toc/2045-2322Abstract The red thermochromic dye (R-TD) is the tetradecanoic acid tetradecyl ester (C28H56O2) and methyl red (C15H15N3O2) mixture that has better permeability enabling its infiltration into wood and better thermochromic properties changing its colour at above 30 °C after about 0.5 min. Thicker poplar-based thermochromic composite specimens (R-PTC, thickness: 5.0 mm) were prepared by filling the R-TD into pre-treated poplar veneer (thickness: 5.0 mm) thus allowing better penetration after pre-treatment. After R-TD infiltration, the R-PTC samples were covered by polypropylene wax for preventing R-TD from overflowing from R-PTC under the action of phase-change temperature. This R-PTC, whose colour can change from light-red to dark-red at 38 °C to 46 °C, can recover to light-red at below 38 °C after about 14 h, and the peak of colour change is at about 42 °C. R-PTC will be suitable for materials used in thermochromic furniture that can indicate the surface temperature to potential users, thus allowing assessment of likely scalded pain when used the furniture.Weihua ZouZimu LiZhangheng WangDelin SunPingfang ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Weihua Zou Zimu Li Zhangheng Wang Delin Sun Pingfang Zhang Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
description	Abstract The red thermochromic dye (R-TD) is the tetradecanoic acid tetradecyl ester (C28H56O2) and methyl red (C15H15N3O2) mixture that has better permeability enabling its infiltration into wood and better thermochromic properties changing its colour at above 30 °C after about 0.5 min. Thicker poplar-based thermochromic composite specimens (R-PTC, thickness: 5.0 mm) were prepared by filling the R-TD into pre-treated poplar veneer (thickness: 5.0 mm) thus allowing better penetration after pre-treatment. After R-TD infiltration, the R-PTC samples were covered by polypropylene wax for preventing R-TD from overflowing from R-PTC under the action of phase-change temperature. This R-PTC, whose colour can change from light-red to dark-red at 38 °C to 46 °C, can recover to light-red at below 38 °C after about 14 h, and the peak of colour change is at about 42 °C. R-PTC will be suitable for materials used in thermochromic furniture that can indicate the surface temperature to potential users, thus allowing assessment of likely scalded pain when used the furniture.
format	article
author	Weihua Zou Zimu Li Zhangheng Wang Delin Sun Pingfang Zhang
author_facet	Weihua Zou Zimu Li Zhangheng Wang Delin Sun Pingfang Zhang
author_sort	Weihua Zou
title	Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
title_short	Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
title_full	Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
title_fullStr	Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
title_full_unstemmed	Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
title_sort	poplar-based thermochromic composites that change colour at 38 °c to 46 °c
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ed7ac595a2ce4ae59c52738e0fb04652
work_keys_str_mv	AT weihuazou poplarbasedthermochromiccompositesthatchangecolourat38cto46c AT zimuli poplarbasedthermochromiccompositesthatchangecolourat38cto46c AT zhanghengwang poplarbasedthermochromiccompositesthatchangecolourat38cto46c AT delinsun poplarbasedthermochromiccompositesthatchangecolourat38cto46c AT pingfangzhang poplarbasedthermochromiccompositesthatchangecolourat38cto46c
_version_	1718377420642320384

Poplar-based thermochromic composites that change colour at 38 °C to 46 °C

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