Thermotherapy,renowned for its non-invasive alleviation of musculoskeletal pain,faces constraints due to the scarcity of flexible and lightweight wearable heating solutions.In this study,we introduce an innovative fle...Thermotherapy,renowned for its non-invasive alleviation of musculoskeletal pain,faces constraints due to the scarcity of flexible and lightweight wearable heating solutions.In this study,we introduce an innovative flexible wearable film designed for effective thermotherapy.The film is engineered by in-situ immobilization of copper sulfide(CuS)nanoparticles onto a bicomponent PET@PE nonwoven fabric,subsequently enhanced through a straightforward hot-pressing process.This method results in an all-in-one integrated PET@PE/CuS film that possesses intrinsic self-enhancement and remarkable photothermal conversion capabilities.Upon exposure to near-infrared(NIR)laser,infrared(IR)therapeutic light,or simulated sunlight,the film maintains stable and precisely regulated temperatures,catering to the optimal thermotherapy temperature range.Its high mechanical robustness and chemical stability,as evidenced by rigorous mechanical and chemical testing,ensure the film’s suitability and long-term serviceability in wearable thermotherapy applications.Our study provides an affordable and sustainable strategy for the development of comfortable wearable thermotherapy devices,offering a promising avenue for pain management and rehabilitation.展开更多
Based on the microstructure characterization,electrochemical impedance spectroscopy,potentiodynamic polarization,and immersion corrosion,this work comparatively analyzed the differences in the electrochemical corrosio...Based on the microstructure characterization,electrochemical impedance spectroscopy,potentiodynamic polarization,and immersion corrosion,this work comparatively analyzed the differences in the electrochemical corrosion morphology and post-foil formation surface morphology of laser beam welded(LBW)sample and spin-formed sample,and compared the corrosion resistance and Cu foil formation ability of two samples in H_(2)SO_(4)/NaCl solution and CuSO_(4) reducing electrolyte.Results show that in H_(2)SO_(4) and NaCl solutions,LBW sample and spin-formed sample exhibit excellent passivation ability and corrosion resistance.Both samples show uniform corrosion morphologies and similar corrosion resistance in the strong acidic solution containing Cl^(-).Meanwhile,the Cu foil formation ability of the welded joint is similar to that of the spin-formed sample,and both samples obtain intact Cu foils with high-quality surfaces and small differences in properties.展开更多
基金support from the National Natural Science Foundation of China(No.52473029)the Shanghai Oriental Talent Program,and the Fundamental Research Funds for the Central Universities(No.CUSF-DH-T-2024020)。
文摘Thermotherapy,renowned for its non-invasive alleviation of musculoskeletal pain,faces constraints due to the scarcity of flexible and lightweight wearable heating solutions.In this study,we introduce an innovative flexible wearable film designed for effective thermotherapy.The film is engineered by in-situ immobilization of copper sulfide(CuS)nanoparticles onto a bicomponent PET@PE nonwoven fabric,subsequently enhanced through a straightforward hot-pressing process.This method results in an all-in-one integrated PET@PE/CuS film that possesses intrinsic self-enhancement and remarkable photothermal conversion capabilities.Upon exposure to near-infrared(NIR)laser,infrared(IR)therapeutic light,or simulated sunlight,the film maintains stable and precisely regulated temperatures,catering to the optimal thermotherapy temperature range.Its high mechanical robustness and chemical stability,as evidenced by rigorous mechanical and chemical testing,ensure the film’s suitability and long-term serviceability in wearable thermotherapy applications.Our study provides an affordable and sustainable strategy for the development of comfortable wearable thermotherapy devices,offering a promising avenue for pain management and rehabilitation.
基金Key Research and Development Program of Shaanxi Province(2022GY-410)Funding of Western Titanium Technologies Co.,Ltd(WX2210)。
文摘Based on the microstructure characterization,electrochemical impedance spectroscopy,potentiodynamic polarization,and immersion corrosion,this work comparatively analyzed the differences in the electrochemical corrosion morphology and post-foil formation surface morphology of laser beam welded(LBW)sample and spin-formed sample,and compared the corrosion resistance and Cu foil formation ability of two samples in H_(2)SO_(4)/NaCl solution and CuSO_(4) reducing electrolyte.Results show that in H_(2)SO_(4) and NaCl solutions,LBW sample and spin-formed sample exhibit excellent passivation ability and corrosion resistance.Both samples show uniform corrosion morphologies and similar corrosion resistance in the strong acidic solution containing Cl^(-).Meanwhile,the Cu foil formation ability of the welded joint is similar to that of the spin-formed sample,and both samples obtain intact Cu foils with high-quality surfaces and small differences in properties.
