PHOTO-RESPONSIVE DAMPENING AND TOUGHENING AGENTS
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United States of America Patent
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Issued Date -
Feb 15, 2024
app pub date -
Jul 31, 2023
filing date -
Aug 5, 2022
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Abstract
In various aspects, a cured polymer glass may be provided. The cured polymer glass may include a polymer glass component (such as an epoxide component and an amine component), and an azobenzene photo-responsive modifying agent. The modifying agent may cause a reversible transition in the cured polymer glass from a first state to a second state when the modifying agent is exposed to a light condition (such as specific wavelengths of light). The glass transition temperature (Tg) of the cured polymer glass may be at least 100° C. The first state may have at least one different mechanical property than the second state. The reversible transition may be configured to occur when the cured polymer glass is at a first temperature below a Tg of the cured polymer glass.
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