POLYURETHANE PRECURSOR-CONTAINING WOODY MATERIAL, POLYURETHANE-CONTAINING WOODY MATERIAL, POLYURETHANE-CONTAINGIN WOODY MOLDED ARTICLE, AND METHODS FOR MANUFACTURING SAME
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Dec 6, 2022
filing date -
Dec 6, 2022
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A polyurethane precursor-containing woody material that includes a woody raw material that is impregnated with a blocked isocyanate compound and a polyethylene glycol. The polyethylene glycol is represented by a formula: HO—(CH2—CH2—O), —H (n=1 to 12,000). The blocked isocyanate compound is a compound which is formed from an isocyanate compound and a blocking agent that protects an isocyanate group contained in the isocyanate compound, and is inactivated by a group derived from the blocking agent.
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