Yang, Y. F.; Bai, Y.; Li, Y. B.; He, C. F. Phase patterning of poly(oxime-ester) for information encryption by photo-induced isomerization. Chinese J. Polym. Sci. 2024, 42, 1488–1494
Yu-Fan Yang, Yun Bai, Yi-Bao Li, et al. Phase Patterning of Poly(oxime-ester) for Information Encryption by Photo-induced Isomerization[J]. Chinese Journal of Polymer Science, 2024, 42(10): 1488-1494.
Yang, Y. F.; Bai, Y.; Li, Y. B.; He, C. F. Phase patterning of poly(oxime-ester) for information encryption by photo-induced isomerization. Chinese J. Polym. Sci. 2024, 42, 1488–1494DOI: 10.1007/s10118-024-3183-8.
Yu-Fan Yang, Yun Bai, Yi-Bao Li, et al. Phase Patterning of Poly(oxime-ester) for Information Encryption by Photo-induced Isomerization[J]. Chinese Journal of Polymer Science, 2024, 42(10): 1488-1494.DOI: 10.1007/s10118-024-3183-8.
Phase Patterning of Poly(oxime-ester) for Information Encryption by Photo-induced Isomerization
We introduce a straightforward method for fabricating information encryption materials based on a poly(oxime-ester) network with a programmable crystallization temperature induced by UV light. Thus complex patterns and information can be encrypted through different selective regional exposure time and decrypted under specific temperature or cooling time.
Abstract
Crystal polymers or liquid crystal elastomers undergo a phase transition that results in a change in the corresponding optical properties
which has the potential to be applied in areas such as information encryption and anti-counterfeiting. The utilization of these materials for patterning purposes requires different phase transition temperatures. However
once prepared
altering the phase transition temperature of them presents significant challenges. Herein
a poly(oxime-ester) (POE) network is developed to achieve high-resolution and multilevel patterning by photo-induced isomerization. The as-prepared POE exhibits the ability to transition from an opaque state to a transparent state under temperature stimuli
with the transition temperature and kinetics dependent on UV light exposure time. Thus
complex patterns and information can be encrypted through different selective regional exposure time and decrypted under specific temperature or cooling time. Furthermore
we illustrate an example of temporal communication
where cooling time or temperature serves as the encoded information. This research expands the application scope of advanced encryption materials
showcasing the potential of POE in dynamic information encryption and decryption processes.
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references
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