Antibacterial polylactic acid melt-blown non-woven fabric
A melt-blown non-woven, polylactic acid technology, applied in non-woven fabrics, textiles and papermaking, conjugated synthetic polymer rayon, etc. problems, to achieve the effect of improving crystallization rate and crystallinity, improving processing performance, and improving antibacterial properties
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Embodiment 1
[0021]A antibacterial polylactic acid meltblown nonwoven fabric comprising: polylactic acid 80g, polybutanoicate 20g, phenylphosphate 0.1g, modified montmorillonite 0.4 g, epoxidized corn Oil 5G;
[0022]Among them, in the preparation of modified montmorillonmine, 2.5 g of chitosan was added to a aqueous aqueous aqueous acetic acid in a aqueous acetic acid, and the mixture was stirred at room temperature to dissolve the chitosan solution; add 1G nammond to soil to 100ml Mix mixing in water, static swelling 24 h, then mixed with the chitosan solution, adjusted pH = 4.3 with acetate aqueous sodium acetate, then stirred at 80 ° C for 7 h, filtered, water washing filter cake to give an intermediate material to add concentrations It was stirred at 1 mol / L of a silver nitrate solution, stirred at room temperature for 4 h, filtered, washed with filter cake, and dried under reduced pressure to obtain modified montmorillonite.
Embodiment 2
[0024]A antibacterial polylactic acid meltblown nonwoven fabric comprising: polylactic acid 85g, polybutyl dikaricate 15g, phenylphosphate 0.1g, modified montmorillonite 0.9 g, epoxidized corn Oil 3G;
[0025]Among them, in the preparation of modified montmorillonmine, 3 g of chitosan was added to a aqueous aqueous aqueous solution of 400 ml of mass fraction, stirred at room temperature to dissolve the chitosan solution; 1 g of nammond mandidine was added to 100 ml of water to stir Mixed, static swelling 24 h, then mixed with the chitosan solution, adjusted pH = 4.7 with acetate acetate, then stirred at 70 ° C for 8 h, filtered, water washing cake to obtain an intermediate material; add the concentration of the intermediate material to 0.6 In a silver nitrate solution of Mol / L, it was stirred at room temperature for 5 h, filtered, water washing cake, and dried under reduced pressure to obtain modified montmorillonite.
Embodiment 3
[0027]A antibacterial polylactic acid meltblown nonwoven fabric, a raw material comprising: polylactic acid 82 g, polybutic acid butnectate 18g, phenylphosphate 0.1g, modified montmorillonite 0.7 g, epoxidized corn Oil 4G;
[0028]Among them, in the preparation of modified montmorillonmine, 2.7 g of chitosan was added to aqueous aqueous aqueous aqueous acetic acid, stirred at room temperature to dissolve the chitosan solution; add 1G nammond to soil to 100ml Mix mixing in water, static swelling 24 h, then mixed with the chitosan solution, adjusted pH = 4.5 with acetate acetate, then stirred at 75 ° C, filtered, water washing cake to obtain an intermediate material; In a nitric aqueous solution of 0.8 mol / L, it was stirred at room temperature for 4.5 h, filtered, water washing cake, and dried under reduced pressure to obtain modified montmorillonite.
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