journal article·2019-08-07Open access

Temperature-Responsive, Multicolor-Changing Photonic Polymers

Augustinus J. J. Kragt, Nadia C. M. Zuurbier, Dirk J. Broer, Albert P.H.J. Schenning

ACS Applied Materials & Interfaces· Volume 11· Issue 31

Abstract

A new principle is developed to fabricate temperature-responsive, multicolor photonic coatings that are capable of switching color. The coating is composed of a non-cross-linked liquid crystal siloxane-based elastomer that is interpenetrated through an acrylate-based liquid crystal network. Discrete temperature changes induce phase separation and mixing between the siloxane and the acrylate polymers and change the reflective colors correspondingly. The temperature-responsive color change of the coatings can be programmed by the processing conditions and coating formulation, which allows for the fabrication of photopatterned multicolor images. The photonic ink can be coated on flexible poly(ethylene terephthalate) films using roll-to-roll flexographic printing, making these temperature-responsive, multicolor-changing polymers appealing for applications such as responsive color decors, optical sensors, and anticounterfeit labels.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Photonic Crystals and Applications · Liquid Crystal Research Advancements · Photonic and Optical Devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Stimuli-responsive Functional Materials and Devices, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

SCNU-TUE Joint Laboratory of Device Integrated Responsive Materials (DIRM), Guangzhou Higher Education Mega Center, South China Normal University, 510006 Guangzhou, China

Institute for Complex Molecular Systems, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Nederlandse Organisatie voor Wetenschappelijk Onderzoek · Program for Changjiang Scholars and Innovative Research Teams in Universities · Collaborative Innovation and Platform for the Construction of special funds of Guangdong Province · Major Science and Technology Projects of Guangdong Province · Guangdong Innovative Research Team Program

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