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Janus Antipyretic Pastes for Efficient, Durable and Comfortable Personal Physical Cooling
Jiahao Liu1, Zhihao Chen1, Tonghuan Zhan1
1School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
Abstract:
Prompt and prolonged cooling is extremely important when the body is in a fever state. Here, we proposed a concept of Janus antipyretic paste (JAP) with unique asymmetric wetting for effective and durable personal physical cooling. The prepared JAP possesses greater one-way transport capacity, and faster average water evaporation rate (∼2 times) than the original fabric. Compared to the wet cotton fabric (a reduction of ∼2.9 °C) and medical antipyretic paste (MAP) (no cooling after 5 h), the JAP achieved the best cooling effect and long cooling duration (cooling by 3.8 °C, at least 5-7 h) in practical application tests. In addition, the wearability of JAP is well validated, including its excellent breathability and good flexibility, which can maximum improve the comfort of our body. We believe the new JAP with superior cooling and comfort properties will provide promising design guidelines for the next generation of family or hospital physical cooling products.
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