TREATMENT METHOD OF WASTE CLOTH INCLUDING POLYESTER FIBER AND WOOL FIBER

• Main Authors: SU CHUNGI, CHUANG JUNG-JEN, LIAO TEAO
• Format: Patent
• Language: English; Japanese
• Published: 10.05.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

To improve the recovery efficiency of polyester fibers from a waste cloth.SOLUTION: The present invention discloses a method which includes treating a waste cloth including polyester fibers and wool fibers in an acid catalyst aqueous solution at 160°C-170°C, dissolving the wool fibers and completely...