Thermochromic behavior of aromatic polyester films blended with aromatic polyacetylene

Clicks: 6
ID: 318398
2026
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Ranked #730 of 790 articles by views in phytochemistry letters

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Abstract
Abstract A blend film was created by solvent casting using aromatic polyacetylene as a thermochromic component and a fully aromatic polyester with high heat resistance. The film exhibited a two-stage irreversible color change from orange to yellow and subsequently to yellowish-brown at 240 and 270 °C, respectively. The initial transition was associated with a decrease in cis-cisoid persistence, while the second resulted from low-molecular-weight polyenes formed by the polyacetylene backbone cleavage.
Reference Key
openalex_W7165682414 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chiharu Takahashi, Haruki Ikushima, Yasuharu Kanda, Yasuteru Mawatari
Journal phytochemistry letters
Year 2026
DOI
10.1093/chemle/upag126
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