METHOD OF PRODUCING INORGANIC FIBER MAT AND INORGANIC FIBER MAT
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Dec 6, 2023
filing date -
Dec 9, 2022
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Abstract
Provided is a method of producing an inorganic fiber mat, the method including: a preparing step of preparing a first inorganic fiber molding including an organic binder attached thereto and derived from a needle-punched mat; a defibrating step of defibrating the first inorganic fiber molding to obtain defibrated inorganic fibers; and a papermaking step of forming the inorganic fiber mat by papermaking using a slurry containing the defibrated inorganic fibers.
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