Salt-free low-alkaline modifying dyeing method of cellulose fiber
A technology of cellulose fiber and dyeing method, which is applied in dyeing method, textiles and paper making, etc. It can solve the problems of inapplicability to large-scale production, high chroma of dyeing residual liquid, difficult treatment of waste water, etc., and achieves difficult hydrolysis, uniform dyeing, The effect of not easy to spread and penetrate
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Embodiment 1
[0078] Cellulose fiber dyeing process:
[0079] The salt-free and low-alkali modified dyeing method of cellulose fibers comprises the following process steps:
[0080] A. Cellulose fiber modification treatment
[0081] Put the cellulose fiber into the container, add water to the container, and then modify the cellulose fiber with two cationic modifiers, the small molecule quaternary ammonium salt cationic modifier and the high molecular quaternary ammonium salt cationic modifier After the modification treatment is completed, modified cellulose fibers are obtained; the small molecular quaternary ammonium salt cationic modifier is an epoxy quaternary ammonium salt compound, and the high molecular quaternary ammonium salt cationic modifier is a cationic polyacrylamide Compounds;
[0082] B. Washing treatment
[0083] Washing the modified cellulose fibers obtained through the modification treatment in step A;
[0084] C. Dyeing
[0085] Putting the modified cellulose fibers w...
Embodiment 2
[0090] Cellulose fiber dyeing process:
[0091] The salt-free and low-alkali modified dyeing method of cellulose fibers comprises the following process steps:
[0092] A. Cellulose fiber modification treatment
[0093] Put the cellulose fiber into the container, add water to the container, and then modify the cellulose fiber with two cationic modifiers, the small molecule quaternary ammonium salt cationic modifier and the high molecular quaternary ammonium salt cationic modifier After the modification treatment is completed, modified cellulose fibers are obtained; the small molecular quaternary ammonium salt cationic modifier is an epoxy quaternary ammonium salt compound, and the high molecular quaternary ammonium salt cationic modifier is a cationic polyacrylamide Compounds;
[0094] B. Washing treatment
[0095] Washing the modified cellulose fibers obtained through the modification treatment in step A;
[0096] C. Dyeing
[0097] Putting the modified cellulose fibers w...
Embodiment 3
[0103] The small molecule quaternary ammonium salt cationic modifier of the present invention is an epoxy quaternary ammonium salt compound;
[0104] The polymer quaternary ammonium salt cationic modifier of the present invention is a cationic polyacrylamide compound.
[0105] Epoxy quaternary ammonium compound:
[0106]
[0107] Cationic polyacrylamide compounds:
[0108]
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