Plant cellulose nanofiber antibacterial moisturizing mask and preparation method thereof
A technology of plant cellulose and nanofibrils, which is applied in the fields of pharmaceutical formulations, cosmetic preparations, dressing preparations, etc. It can solve the problems of mask air permeability differences, user allergies, etc., achieve high nutrient solution absorption, and improve porosity Structure, the effect of expanding the scope of application
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[0044] Example 1
[0045] A plant cellulose nanofibril antibacterial moisturizing facial mask, and its preparation method is as follows:
[0046] (a) 10g of plant fiber (softwood pulp fiber) was enzymatically hydrolyzed with 50IU of endocellulase at 50℃ for 1h, and then placed in a water bath at 80℃ for 10min to inactivate the enzyme, and then under 10000psi pressure, the cycle was even 5 times of quality treatment to prepare plant cellulose nanofibrils with high aspect ratio; the plant cellulose nanofibrils have a diameter of 1-50 nm, a length greater than 1 μm, and an aspect ratio greater than 200;
[0047] (b) Blend the plant cellulose nanofibrils and the functional component particles according to the mass ratio at a temperature of 20°C and a rotation speed of 500r / min for 60 minutes for blending, and then a temperature of 40°C and a rotation speed of 10000r / min for 10 minutes for emulsification , To obtain a uniform and stable white emulsion as a mask stock solution. Plant cel...
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[0051] Example 2
[0052] A plant cellulose nanofibril antibacterial moisturizing facial mask, and its preparation method is as follows:
[0053] (a) 10g plant fiber (poplar pulp fiber) was enzymatically hydrolyzed with 1IU of endocellulase at 50°C for 5h, then left standing in a water bath at 80°C for 10min to inactivate the enzyme, and then under a pressure of 30,000 psi, the cycle was uniform Quality treatment 20 times to prepare plant cellulose nanofibrils with a high aspect ratio; the plant cellulose nanofibrils have a diameter of 1-50 nm, a length greater than 1 μm, and an aspect ratio greater than 200;
[0054] (b) Blend the plant cellulose nanofibrils and functional ingredient particles according to the mass ratio at a temperature of 80°C and a rotating speed of 1000r / min for 30 minutes for blending, and then at a temperature of 60°C and a rotating speed of 15000r / min for 5 minutes to emulsify , To obtain a uniform and stable white emulsion as a mask stock solution. Plant c...
Example Embodiment
[0058] Example 3
[0059] A plant cellulose nanofibril antibacterial moisturizing facial mask, and its preparation method is as follows:
[0060] (a) 10g of plant fiber (eucalyptus pulp fiber) was enzymatically hydrolyzed with 100IU of endocellulase at 30°C for 10 hours, and then placed in a water bath at 80°C for 10 minutes to inactivate the enzyme, and then under a pressure of 30,000 psi, the cycle was uniform Quality treatment once to prepare plant cellulose nanofibrils with a high aspect ratio; the plant cellulose nanofibrils have a diameter of 1-50 nm, a length greater than 1 μm, and an aspect ratio greater than 200;
[0061] (b) Blend the plant cellulose nanofibrils and functional ingredient particles according to the mass ratio at a temperature of 50°C and a rotating speed of 800r / min for 30 minutes for blending, and then at a temperature of 50°C and a rotating speed of 10000r / min for 10 minutes to emulsify , To obtain a uniform and stable white emulsion as a mask stock solut...
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