Preparation method of water-retention mask base cloth
A technology of film base and preparation steps, which is applied in the field of daily chemicals, can solve problems such as insufficient liquid absorption, easy loss of essence and water, etc., to improve adsorption performance, increase liquid retention rate, water retention performance, and liquid retention rate and the effect of water retention performance improvement
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example 1
[0021]In parts by weight, add 4 parts of sodium hydroxide, 3 parts of anhydrous sodium carbonate, and 120 parts of water into a No. 1 beaker, and stir and mix for 60 minutes at a speed of 300 r / min to obtain a corrosion solution. The solution was added to the No. 2 beaker at a weight ratio of 1:30, and the No. 2 beaker was placed in a digital display speed measuring constant temperature magnetic stirrer. Under the condition of temperature of 100°C and rotation speed of 400r / min, heating, stirring and impregnating for 2 hours, and then filtering , to obtain pretreated leaves; rinse the obtained pretreated leaves with water for 5 times, remove the mesophyll with a test tube brush, and rinse with water for 5 times to obtain leaf veins, then place the leaf veins in an oven, and dry them at a temperature of 110°C until constant Weight, to obtain dry veins, then put the dry veins in a pulverizer to pulverize, pass through an 80-mesh sieve to obtain vein powder; put chitosan and water...
example 2
[0023] In parts by weight, add 4 parts of sodium hydroxide, 3 parts of anhydrous sodium carbonate, and 120 parts of water into a No. 1 beaker, and stir and mix for 60 minutes at a speed of 300 r / min to obtain a corrosion solution. The solution was added to the No. 2 beaker at a weight ratio of 1:30, and the No. 2 beaker was placed in a digital display speed measuring constant temperature magnetic stirrer. Under the condition of temperature of 100°C and rotation speed of 400r / min, heating, stirring and impregnating for 2 hours, and then filtering , to obtain pretreated leaves; rinse the obtained pretreated leaves with water for 5 times, remove the mesophyll with a test tube brush, and rinse with water for 5 times to obtain leaf veins, then place the leaf veins in an oven, and dry them at a temperature of 110°C until constant Weight, to obtain dry veins, then put the dry veins in a pulverizer to pulverize, pass through an 80-mesh sieve to obtain vein powder; put chitosan and wate...
example 3
[0025] In parts by weight, add 4 parts of sodium hydroxide, 3 parts of anhydrous sodium carbonate, and 120 parts of water into a No. 1 beaker, and stir and mix for 60 minutes at a speed of 300 r / min to obtain a corrosion solution. The solution was added to the No. 2 beaker at a weight ratio of 1:30, and the No. 2 beaker was placed in a digital display speed measuring constant temperature magnetic stirrer. Under the condition of temperature of 100°C and rotation speed of 400r / min, heating, stirring and impregnating for 2 hours, and then filtering , to obtain pretreated leaves; rinse the obtained pretreated leaves with water for 5 times, remove the mesophyll with a test tube brush, and rinse with water for 5 times to obtain leaf veins, then place the leaf veins in an oven, and dry them at a temperature of 110°C until constant Weight, to obtain dry veins, then put the dry veins in a pulverizer to pulverize, pass through an 80-mesh sieve to obtain vein powder; put chitosan and wate...
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