Modified cellulosic fiber obtained through modification of modifier
A technology of cellulose fibers and modifiers, which is applied in the field of textile dyeing, can solve the problems of inapplicability to large-scale production, high chroma of dyeing raffinate, difficult wastewater treatment, etc. The effect of dosage reduction
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Embodiment 1
[0060] Modified cellulose fiber:
[0061] The modified cellulose fiber is modified by cellulose fiber through a small molecule quaternary ammonium salt cationic modifier and a polymer quaternary ammonium salt cationic modifier as a cationic modifier, and the pH value obtained is 6.5 -8.5, the modified cellulose fiber with a Zeta electrode potential value of -2-20mV; the small molecule quaternary ammonium salt cation modifier is an epoxy quaternary ammonium salt compound, and the polymer quaternary ammonium salt cation modification The sex agent is cationic starch.
[0062] The above is the modified cellulose fiber of the present invention. Because the small molecular quaternary ammonium salt cationic modifier has a small molecular weight, it can not only be adsorbed on the surface of the fiber but also diffuse into the fiber, while the high molecular weight quaternary ammonium salt cationic modifier has a large molecular weight, which is mainly adsorbed on the surface of the fiber...
Embodiment 2
[0064] Modified cellulose fiber:
[0065] The modified cellulose fiber is modified by cellulose fiber through a small molecule quaternary ammonium salt cationic modifier and a polymer quaternary ammonium salt cationic modifier as a cationic modifier, and the pH value obtained is 6.5 When the Zeta electrode potential value is 20mV modified cellulose fiber; the small molecule quaternary ammonium salt cationic modifier is an epoxy quaternary ammonium salt compound, and the polymer quaternary ammonium salt cationic modifier is cationic starch .
Embodiment 3
[0067] Modified cellulose fiber:
[0068] The modified cellulose fiber is modified by cellulose fiber through a small molecule quaternary ammonium salt cationic modifier and a polymer quaternary ammonium salt cationic modifier as a cationic modifier, and the pH value obtained is 8.5 When the Zeta electrode potential value is -2mV modified cellulose fiber; the small molecule quaternary ammonium salt cation modifier is epoxy quaternary ammonium salt compound, and the polymer quaternary ammonium salt cation modifier is cationic starch.
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