Multifunctional viscose with functions such as temperature regulation and bacterium resistance, preparation method of viscose and fabric
A viscose fiber and multi-functional technology, applied in the direction of artificial filaments made of viscose, can solve the problems of antibacterial or single temperature control, achieve the effect of lasting coolness, protection of human health, and stable temperature
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[0039] The present invention provides a method for preparing multifunctional viscose fiber with temperature control and antibacterial function, which includes the following steps:
[0040] The phase change microcapsule emulsion, graphene dispersion and viscose collagen solution are mixed to obtain a spinning solution; the phase change microcapsule includes a polymer capsule wall and a phase change material embedded in the polymer capsule wall; The phase change material is selected from one of n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane and polyethylene glycol E600 Or multiple
[0041] The spinning solution enters the coagulation bath through the spinneret, and the nascent fiber is separated out, and then the multifunctional viscose fiber is obtained through drawing and winding.
[0042] The viscose fiber prepared by the invention has multiple functions such as temperature control, antibacterial, etc., is used as a clothing fabric...
Example Embodiment
[0060] Example 1
[0061] a) Preparation of phase change microcapsule emulsion:
[0062] Mix 20 g of styrene, 2 g of butyl acrylate, 0.1 g of methyl methacrylate, and 25 g of n-octadecane. Pour into the emulsifier-containing isotridecyl alcohol polyoxyethylene ether 7 0.3 g and dodecyl benzene. In an aqueous solution of 0.15 g of sodium sulfonate and 0.05 g of sodium lauryl sulfate, 30 parts of water are pre-emulsified for 60 minutes. The obtained pre-emulsion was placed in a reaction kettle, the temperature was raised to 70°C, the initiator potassium persulfate aqueous solution (0.08g potassium persulfate dissolved in 6g deionized water) was added, the reaction was completed after 4.5h, and a phase change microcapsule containing Lotion.
[0063] b) Preparation of graphene dispersion:
[0064] Take 6 parts of graphene powder prepared by physical exfoliation method, dispersant Tween 20 0.3 parts, Tween 60 0.3 parts, 0.3 parts of sodium dodecylbenzene sulfonate and sodium α-olefin sul...
Example Embodiment
[0077] Example 2
[0078] a) Preparation of phase change microcapsule emulsion:
[0079] Mix 22g of styrene, 4g of butyl acrylate, 1.5g of methyl methacrylate, 0.5g of acrylonitrile, and 30g of phase change material. Pour 9 0.3 parts of isotridecyl alcohol polyoxyethylene ether containing emulsifier and isoform In an aqueous solution of 70.05 parts of tridecyl alcohol polyoxyethylene ether, 0.1 part of sodium dodecylbenzene sulfonate, and 0.1 part of sodium dihexyl succinate sulfonate, 40 parts of water are pre-emulsified for 60 minutes. The obtained pre-emulsion was placed in a reaction kettle, the temperature was raised to 70°C, the initiator potassium persulfate aqueous solution (0.09g potassium persulfate dissolved in 10g deionized water) was added, the reaction was completed after 5h, and the emulsion containing phase change microcapsules was obtained. .
[0080] Among them, the phase change material is n-tetradecane, a mixture of n-pentadecane and n-eicosane, and the mass rat...
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