Effect of Dyeing Process Conditions on Dyeing Quality
The choose of dye when dyeing rayon Procion HE produced by British ICI company is a kind of high-temperature reactive dyes, especially suitable exhaust dyeing. It has bright color, economical, leveling good leveling property, excellent color performance property. In order to prevent the nylon yarn from staining with color, we can choose to add soda first, then anhydrous sodium sulphate, running in 20min, then add the activity dye, the holding time can vary with the amount of dye. The process of dyeing Nylon filament / modified polyester filament yarn 1. The addition sequence of dye For the acid dyes used on dyeing nylon yarn, we should control the appropriate initial dyeing temperature, heating rate and dyeing time according to its diffusion, aggregation tendency and dye migration performance level. Only by thus, it can have good levelness and penetration effect. Cationic dye has good affinity with modified polyester filament. Due to its quick absorption and slow d...