Preparing method of antibacterial cotton and linen fabric
A technology of cotton and linen fabrics and linen fabrics, which is applied in the field of preparation of antibacterial cotton and linen fabrics, can solve the problems of poor washing fastness, instability, and unsatisfactory antibacterial effects of fabrics, and achieve simple preparation methods and operability strong effect
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Embodiment 1
[0022] (1) Pretreatment: put 100g of cotton and linen fabric into 0.9L of sodium carbonate solution with a concentration of 35g / L and boil for 25min, wash and dry, and treat with plasma. The plasma treatment conditions are: the gas adopts oxygen, and the processing power is 200W, pressure 55Pa, processing time 25min;
[0023] (2) Add 0.9g terpineol, 9g specific activity of bitter almond beta-glucosidase of 60U / mg to 100mL 100mM pH5.0 citric acid phosphate buffer containing 30% (v / v) acetone, fully stir The reaction solution is obtained;
[0024] (3) immerse 2.5g of the cotton and linen fabric obtained by step (1) pretreatment in the reaction solution prepared by 100mL of step (2), react at 40°C for 18h, add 250mL of sodium carbonate solution with a concentration of 35g / L, Stop the reaction, take out the cotton and linen fabric, wash it with water, and dry it to prepare the antibacterial cotton and linen fabric.
Embodiment 2
[0026] (1) Pretreatment: put 100g of cotton and linen fabric into 0.8L of sodium carbonate solution with a concentration of 20g / L and boil for 30min, wash and dry, and treat with plasma. The plasma treatment conditions are: the gas adopts oxygen, and the processing power is 100W, pressure 50Pa, processing time 20min;
[0027] (2) Add 0.6g geraniol, 8g specific activity of Aspergillus niger beta-glucosidase of 45U / mg to 100mL 100mM pH5.0 citric acid phosphate buffer containing 30% (v / v) acetone, fully stir The reaction solution is obtained;
[0028] (3) Immerse 3 g of the cotton and linen fabric obtained by step (1) pretreatment in 90 mL of the reaction solution prepared by step (2), react for 12 hours at 37 ° C, add 180 mL of sodium carbonate solution with a concentration of 20 g / L, and stop react, take out the cotton and linen fabric, wash it with water, and dry it to prepare the antibacterial cotton and linen fabric.
Embodiment 3
[0030] (1) Pretreatment: Put 100g of cotton and linen fabric into 1L of 50g / L sodium carbonate solution and boil for 20min, wash and dry, and use plasma treatment. The plasma treatment conditions are: the gas uses oxygen, and the treatment power is 300W , the pressure is 60Pa, and the processing time is 30min;
[0031] (2) 1.2g nerol, 10g specific activity are the Trichoderma reesei β-glucosidase of 80U / mg adding 100mL 100mM pH5.0 citric acid phosphate buffer containing 30% (v / v) acetone, Fully stir to obtain the reaction solution;
[0032] (3) Immerse 2 g of the cotton and linen fabric obtained in step (1) pretreatment in 100 mL of the reaction solution prepared in step (2), react at 45° C. for 24 h, add 300 mL of sodium carbonate solution with a concentration of 50 g / L, and stop react, take out the cotton and linen fabric, wash it with water, and dry it to prepare the antibacterial cotton and linen fabric.
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Abstract
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