Glass-transition-induced color-changing resins containing layered polydiacetylene.

Chem Commun (Camb)

Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.

Published: September 2019

A phase-segregated composite of polystyrene (PSt) and layered polydiacetylene (PDA) was formed through simultaneous polymerization and crystallization. As the motion of PSt chains with glass transition is transferred to that of PDA, the color change was achieved by the shortening of the conjugation length with deformation of the layered structure.

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Source
http://dx.doi.org/10.1039/c9cc05303dDOI Listing

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