Waterproof and moisture-permeable composite non-woven fabric with blood and virus blocking capable of blocking virus, bacteria, blood infection, and infection of suspended mouth foam aerosol
The invention provides a waterproof and moisture-permeable composite non-woven fabric with blood and virus blocking, which comprises a non-woven fabric having two surfaces, wherein the basis weight of the non-woven fabric is smaller than or equal to 70g/m2; a multi-layer breathable film having at le...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
01.07.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides a waterproof and moisture-permeable composite non-woven fabric with blood and virus blocking, which comprises a non-woven fabric having two surfaces, wherein the basis weight of the non-woven fabric is smaller than or equal to 70g/m2; a multi-layer breathable film having at least three layers of co-extruded films, wherein the basis weight of the multi-layer breathable film is in the range of 5-30 g/m2, the multi-layer breathable film is attached to one of the surfaces of the non-woven fabric, the weight percentage of the powder in the multi-layer breathable film is 40-60%, and the draft ratio thereof is smaller than or equal to 300%. The invention is characterized in that the synthetic blood permeability of the waterproof and moisture-permeable composite non-woven fabric with blood and virus blocking can withstand a pressure of 2.0 psi for 1 minute; the Phi-X174 phage penetration of the waterproof and moisture-permeable composite non-woven fabric with blood and virus blocking can withst |
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Bibliography: | Application Number: TW20209144813 |