2008•Dyeing & FinishingRequires access

Dyeing of NMMO pretreated ramie fabric with X type reactive dye

Han Jin

Abstract

Environment-friendly organic solvent N-Methylmorpholine-N-oxide (NMMO) was used as the ramie fiber swelling solvent. Through padding and curing pretreatment, ramie fabric was modified by NMMO. The optimum pretreatment condition of the ramie fabric and dyeing property of pretreated ramie fabric were investigated. The results showed that the K/S value of the modified ramie fabric was one time higher than that of the normal ramie fabric and the color fastness is close to non-treated one's after the pretreatment of dipping 15 minutes in 40% NMMO solution, curing 2 minutes at 160℃.

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Key concepts: Ramie, Dyeing, Materials science, Pulp and paper industry, Curing (chemistry), Swelling, Composite material, Fiber