Polyamide fiber recovery method, recycled polyamide product manufacturing method, and silicone solution

• Main Authors: SUZUOKA, AKIHIRO, SAKURADA, TAKEHIRO
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: ADHESIVES; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; BLEACHING LEATHER OR FURS; CANDLES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DETERGENT COMPOSITIONS; DETERGENTS; DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; DYES; FATTY ACIDS THEREFROM; FILLING PASTES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GENERAL PROCESSES OF COMPOUNDING; INKS; LAUNDERING; MAKING GRANULES OR PREFORMS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF GLYCEROL; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; RESIN SOAPS; SOAP OR SOAP-MAKING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TREATMENT OF TEXTILES OR THE LIKE; USE OF MATERIALS THEREFOR; USE OF SINGLE SUBSTANCES AS DETERGENTS; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR; WOODSTAINS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

A polyamide fiber recovery method of the present invention comprises a step of treating a cloth-like polyamide fiber product coated with silicone with a solution, wherein the solution contains an anionic surfactant and a chain-saturated hydrocarbon.