A Heat‐Resistant Polymer Based on the Reversible Change in Polymer Skeleton Structure for Self‐Anticounterfeiting

Author:

Luo Hong1,Li Wa2,Yuan Rui1,Huang Ying1,Chen Junze3,Yang Li1,Chang Guanjun1ORCID

Affiliation:

1. State Key Laboratory of Environment‐friendly Energy Materials, National Engineering Technology Center for Insulation Materials Southwest University of Science and Technology Mianyang 621010 P. R. China

2. Research Center of Laser Fusion China Academy of Engineering Physics Mianyang 621900 P. R. China

3. Engineering Research Center of Alternative Energy Materials and Devices Ministry of Education College of Materials Science and Engineering Sichuan University Chengdu 610065 China

Abstract

AbstractHeat‐resistant polymer materials have been widely used in many fields, but their anticounterfeit is still a significant challenge. This work has successfully constructed a heat‐resistant polymer material that can achieve self‐anticounterfeit. In response to changes in the external environment, the color of polymer changes from yellow‐green to red reversibly, which is due to the fact that polymer material's backbone undergoes isomerization. Therefore, this high‐performance polymer material can not only be used in a high‐temperature environment for a long time but also achieve its anticounterfeit and be used in advanced security applications.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Sichuan Province

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,Organic Chemistry

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