SHEET AND LAMINATE
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United States of America Patent
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Oct 4, 2018
app pub date -
Sep 29, 2016
filing date -
Sep 29, 2016
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Abstract
An object of the present invention is to provide an ultrafine fiber-containing sheet, regarding which wrinkles and/or cracks generated upon sheet formation are suppressed, and a laminate thereof. According to the present invention, provided are: a sheet comprising ultrafine fibers having an ionic substituent and an organic ion that is a counterion of the ionic substituent, wherein the content of the organic ion is 0.40 mmol/g or less; and a laminate comprising the sheet and at least one of an inorganic layer and an organic layer formed on at least one side of the sheet.
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