A kind of anti-ultraviolet functional cotton fabric and its preparation method
A cotton fabric and functional technology, which is applied in the field of anti-ultraviolet functional cotton fabric and its preparation, can solve the problems of poor anti-ultraviolet performance, poor durability, and easy agglomeration, etc., and achieve good ultraviolet shielding ability and anti-ultraviolet effect. , the effect of stable chemical properties
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Embodiment 1
[0022] Step 1. Weigh 0.2g of sodium tungstate into a beaker, add 10ml of distilled water, and stir at 20°C until it dissolves to obtain a sodium tungstate solution;
[0023] Step 2. Weigh 0.04g of zinc nitrate in a beaker, add 10ml of distilled water, and stir at 20°C until it dissolves to obtain a zinc nitrate solution;
[0024] Step 3. Weigh 0.2g of pyridine, add it into the zinc nitrate solution, and stir at 20°C until clear;
[0025] Step 4. Slowly pour the sodium tungstate solution into the zinc nitrate solution in step 3 at room temperature, adjust the pH to 2.5, and stir at 30°C for 4 hours to obtain the finishing solution;
[0026] Step 5, cut the cotton fabric into a certain size, remove the grease and wax on the surface of the fabric with ether, wash and dry;
[0027] Step 6. Add the treated cotton fabric to the finishing solution under the condition of 35°C, dipping twice and padding for 25 minutes, then pre-baking at 30°C for 2 hours, then baking at 100°C for 2 ho...
Embodiment 2
[0030] Step 1. Weigh 1.0g of sodium tungstate into a beaker, add 30ml of ethanol, stir at 50°C until it dissolves, and obtain sodium tungstate solution;
[0031] Step 2. Weigh 0.6g of zinc nitrate in a beaker, add 30ml of distilled water, and stir at 30°C until it dissolves to obtain a zinc nitrate solution;
[0032] Step 3. Weigh 0.5g of pyridine, add it into the zinc nitrate solution, and stir at 40°C until clear;
[0033] Step 4. Slowly pour the sodium tungstate solution into the zinc nitrate solution in step 3 at room temperature, the pH is 5.0, and stir at 50°C for 8 hours to obtain the finishing solution;
[0034] Step 5, cut the cotton fabric into a certain size, remove the grease and wax on the surface of the fabric with ether, wash and dry;
[0035] Step 6. Add the treated cotton fabric to the finishing solution under the condition of 40°C, dipping twice and padding for 30 minutes, then pre-baking at 50°C for 2 hours, then baking at 110°C for 2 hours, washing with wa...
Embodiment 3
[0037] Step 1. Weigh 3.0g of potassium tungstate into a beaker, add 50ml of ethanol, stir at 20°C until it dissolves, and obtain potassium tungstate solution;
[0038] Step 2. Weigh 1.0 g of indium trichloride into a beaker, add 50 ml of ethanol, and stir at 50°C until it dissolves to obtain an indium trichloride solution;
[0039] Step 3. Weigh 1.0 g of pyridine, add it into the indium trichloride solution, and stir at 50°C until clear;
[0040] Step 4. Slowly pour the potassium tungstate solution into the indium trichloride solution in step 3 at room temperature, adjust the pH to 8.5, and stir at 70°C for 10 hours to obtain the finishing solution;
[0041] Step 5, cut the cotton fabric into a certain size, remove the grease and wax on the surface of the fabric with ether, wash and dry;
[0042] Step 6. Add the treated cotton fabric to the finishing solution under the condition of 45°C, dipping twice and padding for 35 minutes, then pre-baking at 60°C for 2 hours, then bakin...
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