Preparation method of cellulose-based ion exchange fiber
A technology of ion exchange fiber and cellulose fiber, which is applied in the fields of plant fiber, fiber treatment, textile and paper making, etc., can solve the problems such as no research report on ion exchange fiber, and achieve the expansion of application field and scope, large exchange capacity and superiority. The effect of taking performance
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Embodiment 1
[0025] (1) Attachment of the initiator: take 15 g of degreasing gauze, dry it to constant weight in a vacuum oven, and immerse it in potassium permanganate-sulfuric acid solution, wherein the concentration of potassium permanganate is 0.015mol / L, and the concentration of sulfuric acid is 0.011 mol / L, stirred and reacted for 30 minutes, then rinsed with soft water, separated and removed excess water, and obtained 2 of cellulose fibers.
[0026] (2) Graft polymerization reaction: MnO will be attached 2 The cellulose fiber is put into the grafting polymerization reaction solution, the concentration of acrylamide in this solution is 1.2mol / L, the concentration of reducing agent sulfuric acid is 0.008mol / L, in the constant temperature shaking water bath of 50 ℃, grafting After 4 hours of polymerization reaction, the reaction product was washed with soft water, and the remaining manganese ions were removed with dilute oxalic acid solution, then washed with soft water until neutral,...
Embodiment 2
[0029] (1) Attachment of the initiator: Take 10g of 1.67dtex×38mm viscose short filament, dry it in a vacuum oven to constant weight, and immerse it in potassium permanganate-sulfuric acid solution, wherein the concentration of potassium permanganate is 0.012mol / L, the concentration of sulfuric acid is 0.013mol / L, stirred and reacted for 20 minutes, then rinsed with soft water, separated and removed excess water, and obtained MnO 2 of cellulose fibers.
[0030] (2) Graft polymerization reaction: MnO will be attached 2 The cellulose fiber is put into the graft polymerization reaction solution, the concentration of acrylamide in the solution is 1.5mol / L, the concentration of the reducing agent sulfuric acid is 0.007mol / L, in a constant temperature oscillating water bath at 50°C, grafting After 3 hours of polymerization reaction, the reaction product was washed with soft water, and the remaining manganese ions were removed with dilute oxalic acid solution, then washed with soft...
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