Bi2WO6 coating weaving fabric and preparation method thereof
A textile fabric, coating technology, applied in the direction of textile and paper making, fiber processing, etc., to achieve the effect of good repeatability, low cost, and maintaining comfort
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[0054] Bi of the present invention 2 WO 6 A method for preparing a coated textile fabric, comprising the steps of:
[0055] 1) Pre-treatment of textile fabrics: first, the textile fabrics are ultrasonically treated with organic solvents to remove impurities, and dried for later use;
[0056] 2) Bi 2 WO 6 Preparation: Dissolve bismuth salt in acidic solution and stir to make it clear, then dissolve tungstate in alkali solution and stir to make it clear, then add it dropwise to the above solution, stir magnetically for 20-60 minutes, and adjust the pH to 6-6 with ammonia water 12. Stir again by magnetic force for 1-2 hours, put the obtained solution into a polytetrafluoroethylene reaction kettle, and conduct crystallization reaction at high temperature for 12-24 hours. Then take out the reactor and cool to room temperature, wash repeatedly with deionized water and absolute ethanol several times, and obtain Bi after drying. 2 WO 6 Powder, wherein the mass ratio of bismuth s...
Embodiment 1
[0065] The polyester fabric with a size of 5cm×5cm was ultrasonically cleaned with acetone and ethanol for 30 minutes, dried, and set aside. Weigh 2.4250g Bi(NO 3 ) 3 ·5H 2 20.0mL 4.0M HNO was added to O 3 solution, magnetically stirred to dissolve it into a transparent solution. Weigh 0.8250g Na 2 WO 4 2H 2 O was added to 30.0mL 2.0M NaOH solution, and magnetically stirred to dissolve it into a transparent solution. Add the completely dissolved sodium tungstate solution to the bismuth nitrate solution dropwise. After the dropwise addition is completed, continue magnetic stirring for 30 minutes, adjust the pH to 6 with 5% ammonia water, continue magnetic stirring for 1 hour, and transfer the obtained solution to volume In a 250mL polytetrafluoroethylene reactor, add distilled water to make the filling degree reach 80%, seal it, place the reactor in an oven, and crystallize at 160°C for 24 hours. The autoclave was taken out and cooled at room temperature. Suction filte...
Embodiment 2
[0074] The polyester fabric with a size of 5cm×5cm was ultrasonically cleaned with acetone and ethanol for 30 minutes, dried, and set aside. Weigh 2.4250g Bi(NO 3 ) 3 ·5H 2 20.0mL 4.0M HNO was added to O 3 solution, magnetically stirred to dissolve it into a transparent solution. Weigh 0.8250g Na 2 WO 4 2H 2 O was added to 30.0mL 2.0M NaOH solution, and magnetically stirred to dissolve it into a transparent solution. Add the completely dissolved sodium tungstate solution to the bismuth nitrate solution dropwise. After the dropwise addition is completed, continue magnetic stirring for 30 minutes, adjust the pH to 6 with 5% ammonia water, continue magnetic stirring for 1 hour, and transfer the obtained solution to volume In a 250mL polytetrafluoroethylene reactor, add distilled water to make the filling degree reach 80%, seal it, place the reactor in an oven, and crystallize at 160°C for 24 hours. The autoclave was taken out and cooled at room temperature. Suction filte...
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