A preparation method of oxide/essential oil/latex particle composite particles for textile finishing
An oxide and post-finishing technology, which is applied in the fields of fine chemicals and material science, can solve problems such as reducing the slow-release effect of essential oils more effectively, and achieve the effects of prolonging timeliness, reducing volatilization rate, and simple methods
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Embodiment 1
[0015] Weigh 15g of nano-silica, add it to a mixed solvent composed of 40g ethanol and 40g water, mix well, add 5g KH-570, adjust the pH to 8-9 with ammonia solution, react at 40°C for 2 hours, and centrifuge , drying to obtain modified silica. Weigh 0.5g of modified silicon dioxide, 1g of essential oil and 5g of methyl methacrylate and n-butyl acrylate in the mixed monomer, the molar ratio of the two monomers is 2:3, and then put it into an ultrasonic pulverizer for dispersing treatment for 1min , then add 0.025g of hexadecane and 0.025g of azobisisobutylcyanide, stir and mix evenly, as the oil phase; dissolve 0.25g of allyloxynonylphenoxypropanol polyoxyethylene ammonium sulfate in 93.2g of Deionized water was used as the aqueous phase. At a stirring speed of 100 r / min, the oil phase was slowly added dropwise into the water phase, and then treated with an ultrasonic cell pulverizer for 60 min to obtain a fine emulsion. Transfer the fine emulsion to a four-necked flask equi...
Embodiment 2
[0018] Weigh 30g of nano-titanium dioxide, add it to a mixed solvent composed of 32g ethanol and 32g water, mix evenly, add 6g KH550, adjust the pH to 8-9 with ammonia solution, react at 60°C for 6 hours, centrifuge and dry to obtain the improved Active titanium dioxide. Weigh 10g of titanium dioxide, 15g of essential oil and 10g of styrene and 20g of n-butyl acrylate in the mixed monomer, then put it into an ultrasonic pulverizer and disperse for 30min, then add 1.5g of cetyl alcohol and 1.2g of benzoyl peroxide, and stir Mix evenly and use it as the oil phase; dissolve 7.5g of methacryloyloxyethyl hexadecyldimethylammonium bromide in 34.8g of deionized water as the water phase. At a stirring speed of 2000r / min, the oil phase was slowly added dropwise into the water phase, and then treated with an ultrasonic cell pulverizer for 30min to obtain a fine emulsion. Transfer the fine emulsion to a four-necked flask equipped with a stirrer, a reflux condenser and a thermometer, rai...
Embodiment 3
[0021] Weigh 5g of nano-zinc oxide and add it to the mixed solvent of ethanol and water, including 47g of water and 47g of ethanol. After mixing evenly, add 1g of KH560, adjust the pH to 8-9 with ammonia solution, react at 20°C for 1 hour, and centrifuge Separate and dry to obtain modified zinc oxide. Weigh 5g of modified zinc oxide, 10g of essential oil and 30g of methyl methacrylate, then put them into an ultrasonic pulverizer for dispersing treatment for 15min, then add 0.75g of octadecyl methacrylate and 0.6g of tert-butyl peroxide Hydrogen, stirred and mixed evenly, used as the oil phase; 4.5g of allyloxy hydroxypropyl sodium sulfonate was dissolved in 49.15g of deionized water as the water phase. At a stirring speed of 1000 r / min, the oil phase was slowly added dropwise to the water phase, and then treated with an ultrasonic cell pulverizer for 40 min to obtain a fine emulsion. Transfer the fine emulsion to a four-neck flask equipped with a stirrer, a reflux condenser a...
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