EXTRACTION BAG, METHOD FOR MANUFACTURING EXTRACTION BAG, SHEET FOR EXTRACTION BAG, AND METHOD FOR MANUFACTURING SHEET FOR EXTRACTION BAG
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 28, 2022
filing date -
Dec 28, 2022
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Abstract
Provided is an extraction bag in which an accessory member can be appropriately joined to a sheet constituting the extraction bag, even in a case where biodegradable polylactic acid resins are adopted as a resin for a nonwoven fabric for use in the sheet and as a resin for a laminate for use in the accessory member of the extraction bag, without damaging the nonwoven fabric side. An extraction bag 100 including a spunbond nonwoven fabric layer 10 containing a polylactic acid resin and an accessory member 20 which are joined, wherein a laminate layer 21 containing a polylactic acid resin is provided on at least a surface of the accessory member 20 in contact with the spunbond nonwoven fabric layer 10, and wherein a degree of crystallinity of the polylactic acid resin contained in the laminate layer 21 is set to be smaller than a degree of crystallinity of the polylactic acid resin contained in the spunbond nonwoven fabric layer 10.
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