A new application of Krafft point concept: an ultraviolet-shielded surfactant switchable window
Yihan Liu, Yiyi Guo, Zhuo Zhang, Zhaohui Huang, Ping Qi, Jiwei Cui, Aixin Song, Jingcheng Hao
Abstract
We report thermo-responsive gels of polyacrylamide (PAAm) with ionic surfactants in mixed water and ethylene glycol (W–EG) solvents as smart windows to solubilize ultraviolet absorbents for UV shielding materials.
Topics & Concepts
Krafft temperatureUltravioletOpacityPulmonary surfactantIonic bondingAntifreezeEthylene glycolChemical engineeringMaterials scienceTransparency (behavior)Polymer chemistryChemistryMicelleOrganic chemistryCritical micelle concentrationOptoelectronicsAqueous solutionComputer scienceOpticsPhysicsComputer securityEngineeringIonAerogels and thermal insulationSurfactants and Colloidal SystemsPhotochemistry and Electron Transfer Studies