POLYESTER-BASED TEXTILE PRODUCT FOR RECYCLING, METHOD FOR DECOLORING POLYESTER-BASED TEXTILE PRODUCT FOR RECYCLING, AND METHOD FOR RECYCLING POLYESTER-BASED TEXTILE PRODUCT

摘要

PROBLEM TO BE SOLVED: To provide a recyclable polyester-based textile product, to provide a method for decoloring the polyester-based textile product and to provide a method for recycling the polyester-based textile product.;SOLUTION: The polyester-based textile product dyed with an azo-based disperse dye is treated with a treating liquid for decoloring containing an alkaline agent, a reducing agent and a nonionic surfactant. The resultant decolored textile product is re-dyed for use. Otherwise, the decolored textile product for recycling is used as a raw material for chemical recycling or material recycling.;COPYRIGHT: (C)2008,JPO&INPIT