Natural antibacterial non-woven fabric and preparation method thereof
A natural antibacterial, non-woven fabric technology, applied in textiles and papermaking, resistance to media-borne diseases, liquid-repellent fibers, etc., to achieve excellent antibacterial performance, save manpower and equipment costs, and simple production process
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Embodiment 1
[0021] A preparation method of natural antibacterial non-woven fabrics, comprising: making spun-bonded non-woven fabrics from PP slices through a spun-bonded production process; coating chitosan dispersion on the spun-bonded non-woven fabrics, and drying The natural antibacterial non-woven fabric is obtained. Wherein, the chitosan dispersion is composed of the following components by mass percentage: 0.6% water-soluble modified chitosan, 8% hydrophilic oil agent, 0.5% adhesive, and the rest is water (specifically to remove ionized water).
[0022] In this embodiment, the adhesive is a mixture of water-based polyurethane and water-based blocked isocyanate, and the mass ratio of the two is 7:3.
[0023] In the present embodiment, the hydrophilic oil agent is a nonionic surfactant, which includes the following components by mass percentage: polyethylene glycol fatty acid ester 72%, silicone oil 24%, wetting agent 1.5%, Water 2.5%. Wherein, the wetting agent is sodium dioctyl s...
Embodiment 2
[0029] A preparation method of natural antibacterial non-woven fabric is basically the same as Example 1, except that the chitosan dispersion is composed of the following components by mass percentage: water-soluble modified chitosan 1% , 10% of hydrophilic oil agent, 1% of adhesive, and all the other are water (specifically deionized water); said hydrophilic oil agent includes the following components by mass percentage: polyethylene glycol fatty acid ester 73% , silicone oil 22%, wetting agent 3%, water 2%.
Embodiment 3
[0031] A preparation method of natural antibacterial non-woven fabric is basically the same as Example 1, except that the chitosan dispersion is composed of the following components by mass percentage: 0.4% water-soluble modified chitosan , 8% of hydrophilic oil agent, 0.5% of adhesive, and all the other are water (specifically deionized water); said hydrophilic oil agent includes the following components by mass percentage: polyethylene glycol fatty acid ester 71% , silicone oil 26%, wetting agent 1%, water 2%.
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