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Researchers in Hong Kong produce prototype face mask with novel nanomembrane (Xinhua)    10:46, December 22, 2020 HONG KONG, Dec. 21 (Xinhua) -- The Hong Kong University of Science and Technology (HKUST) said on Monday that they have developed an ultrathin polymer nanofilm and produced a prototype face mask with a 99-percent filtration efficiency for virus, bacteria and particulate matters. The polymer nanomembrane is not only 25 times stronger than stainless steel with the same mass, bu...

2020-12-21 14:35:26 GMT2020-12-21 22:35:26(Beijing Time) Xinhua English HONG KONG, Dec. 21 (Xinhua) -- The Hong Kong University of Science and Technology (HKUST) said on Monday that they have developed an ultrathin polymer nanofilm and produced a prototype face mask with a 99-percent filtration efficiency for virus, bacteria and particulate matters. The polymer nanomembrane is not only 25 times stronger than stainless steel with the same mass, but is also extremely transparent, gas-perme...