SPUN-BONDED COMPOSITE WIPING NON-WOVEN FABRIC AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Jan 27, 2022
filing date -
Jul 19, 2021
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Abstract
A spunbound composite wiping non-woven fabric with a layered structure of an upper surface layer, a middle fiber layer, and a lower surface layer arranged in sequence; at least one of the upper surface layer and the lower surface layer is formed by a spunbound filaments, and the middle fiber layer is formed at least by viscose fibers; a weight of the middle fiber layer is greater than or equal to 65% of a total weight of the spunbound composite wiping non-woven fabric; fiber interfacing and intertwining areas exist between the upper surface layer and the middle fiber layer, as well as between the lower surface layer and the middle fiber layer.
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