Project Database

Development of Non-aqueous Solvent Medium (NASM) Dyeing System

In traditional dyeing process, water acts as a solvent medium to dissolve the dyestuff and bring the dyestuff to the substrate to conduct the dyeing process. Due to the limited water resource issue, more and more researchers are investigating substitute that could replace the water such as supercritical fluid carbon dioxide, different types of organic solvent and etc. However, due to the limitation of existing system and high engineering requirement of the new system, these waterless dyeing technologies cannot be widely adopted by the industry. This project will focus on the development of a two in one non-aqueous solvent medium (NASM) dyeing system. The system would be able to specifically dye the yarn and garment respectively with an innovative design of dyeing vessel mechanism, in order to facilitate a uniform uptake of dye molecule on the substrate.


Bronze Medal in the 47th International Exhibition of Inventions of Geneva (2019)
Commercialisation Opportunity
Project No. (ITC) ITP/111/15TP
Project Type Platform
Project Co-ordinator Mr. KEH Yee Man, Edwin
Research Institute The Hong Kong Research Institute of Textiles & Apparel Limited
ITF Amount HK$ 13,372,000
Start Date DD/MM/YY 2016-04-29
Completion Date DD/MM/YY 2021-07-15
Esquel Enterprises Limited
Patagonia Works
Singtex Industrial Co. Ltd.
TAL Apparel Limited
Toyota Tsusho Corporation
IP Number
19 162 459.2