| abstract |
The invention discloses a kind of cation modified dyeing methods of polypropylene fibre, comprising the following steps: (1) fibre modification；(2) it pre-processes；(3) fabric pre-setting；(4) reduction cleaning；(5) dye liquor is prepared；(6) it dyes；(7) it post-processes.Compared with prior art, the invention has the benefit that dyeing of the invention solves the problems, such as that energy consumption is high, water pollution is serious for cation-modified fabric dyeing course in the prior art；The fabric color dyed using dyeing of the invention is uniform, is in bright colors, and can extend the service life of fabric；Dyeing step of the invention is few, and dyeing time is short, and dyestuff is Ke Xunhuanliyong after dye, the advantages that reducing environmental pollution. |