LYOCELL FIBER, NONWOVEN FIBROUS AGGREGATE CONTAINING THE SAME, AND A MASK PACK SHEET CONTAINING THE SAME
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United States of America Patent
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Issued Date -
Nov 14, 2019
app pub date -
Dec 29, 2017
filing date -
Dec 29, 2016
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Abstract
Disclosed are a lyocell fiber, a nonwoven fibrous aggregate containing the lyocell fiber, and a mask pack sheet containing the nonwoven fibrous aggregate. The lyocell fiber contains a monofilament having a cross-section of a flat yarn or a flat yarn having a curvature. Such lyocell fiber exhibits physical properties that could not be provided by existing lyocell fibers having a circular cross-section, and thus can afford excellent properties such as excellent bendability for industrial material application, good feel and soft gloss property for clothes or interior applications, and transparency, skin adhesion, absorption, and maintenance of a solvent such as moisture, and a smooth surface feel for a mask pack nonwoven fibrous aggregate application.
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