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1. (WO2018220656) OXIDATIVE COLORING OF THERMOPLASTIC FIBERS AND APPAREL THEREOF

Pub. No.:    WO/2018/220656    International Application No.:    PCT/IN2018/050361
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Tue Jun 05 01:59:59 CEST 2018
IPC: D06P 1/32
Applicants: ARVIND LIMITED
Inventors: SONI, Mahesh
PATEL, Utpal
SINGH, Sudhir
DASH, Satyapriya
Title: OXIDATIVE COLORING OF THERMOPLASTIC FIBERS AND APPAREL THEREOF
Abstract:
Described is an exhaustion process for dyeing thermoplastic fibers, yarns/filaments or fabrics thereof that utilizes swelling of the thermoplastics at glass transition state along with a swelling agent, dyes the swelled thermoplastics with oxidative dyes and utilizes reducing agents to colour the thermoplastic fibers yarns/filaments or fabrics thereof in an exhaustion chamber.