1585-90-6, Name is 1-(2-Hydroxyethyl)-1H-pyrrole-2,5-dione, belongs to pyrrolines compound, is a common compound. COA of Formula: C6H7NO3In an article, once mentioned the new application about 1585-90-6.
Self-healing polyurethanes with shape recovery
Two new thermoresponsive self-healing polyurethanes (1DA1T and 1.5DA1T) based on the Diels-Alder (DA) reaction between furan and maleimide moieties are developed that use the shape-memory effect to bring crack faces into intimate contact such that healing can take place. Unlike other self-healing polymers, these polymers do not require external forces to close cracks but rather they use the shape-memory effect to autonomously close the crack. Both polyurethanes have a stable polymer structure and comparable mechanical properties to commercial epoxies. A differential scanning calorimeter is employed to check the glass transition temperature of the polymers as well as the DA and retro-DA (rDA) reaction temperatures. These DA and rDA reactions are confirmed with variable-temperature proton nuclear magnetic resonance. Healing efficiency is calculated using a measurement of the failure load from compact tension testing. The results show that the shape-memory effect can replace external forces to close two crack surfaces and the DA reaction can be repeatedly employed to heal the cracks.
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Reference£º
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem