Cellulose fiber cationic modification method
A technology of cationic modification and cellulose fiber, which is applied in the treatment of cellulose fiber and the field of cationic modification of cellulose fiber. It can solve the problems of difficult wastewater treatment, large amount of alkali consumption, pollution, etc., and achieve low cost and high reaction rate. full effect
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Embodiment 1
[0060] Modification process of cellulose fiber:
[0061] 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 class of compounds.
[0062] The above process is the cellulose fiber modification process of the present invention, and the modified cellulose fiber can be obtained with a Zeta electrode potential value of 0-25mV when the pH value is 6.5-8.5. Due to the small molecular weight of the small molecular quaternary ammonium salt cationic modifier, it can not only be adsorbed on ...
Embodiment 2
[0064] Modification process of cellulose fiber:
[0065] 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 class of compounds.
[0066] The cellulose fibers are selected from viscose filaments, viscose staple fibers, modal, tencel, cotton fibers, yarns and fabrics made from the aforementioned cellulose fibers.
[0067] The modification process of the present invention is applicable to all kinds of cellulose fibers, and also includes twisted yarns (hank form or cheese form) of th...
Embodiment 3
[0069] The small molecule quaternary ammonium salt cationic modifier of the present invention is an epoxy quaternary ammonium salt compound;
[0070] The polymer quaternary ammonium salt cationic modifier of the present invention is a cationic polyacrylamide compound.
[0071] Epoxy quaternary ammonium compound:
[0072]
[0073] Cationic polyacrylamide compounds:
[0074]
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