Silk mask
A facial mask and silk technology, applied in the direction of cosmetics, cosmetic preparations, dressing preparations, etc., can solve the problems of barrier damage, amplified ingredient irritation, skin allergies, etc., achieve less denaturation loss, strong efficacy, and improve mechanical properties performance effect
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Embodiment 1
[0036] A silk mask made by the following steps:
[0037] (1) Partial degumming: use lye containing 6g / L industrial soap and 3g / L soda ash, soak for 30min at a temperature of 70°C, and filter to obtain the filtrate and filter residue, wherein the filtrate is filtered through primary filtration and ultrafiltration membrane , concentrated, and freeze-dried to make silk fibroin, and the filter residue was washed in 85°C hot water for 5 minutes, 45°C warm water for 5 minutes, and 20°C room temperature water for 5 minutes, then placed in an oven at 110°C and dried to constant weight to obtain residual glue. Silk fiber with a rate of 4.40%;
[0038] (2) Pretreatment: Cut the silk fibers into fibers with a length of 0.8 cm, and soak them for 1.5 min at a liquor ratio of 1:100, a sodium bicarbonate solution concentration of 0.9 g / L, and a temperature of 25° C.;
[0039] (3) Fiber dissociation: transfer the impregnated fiber in its wet state to a fiber dissociator with a bath ratio of ...
Embodiment 2
[0044] A silk mask made by the following steps:
[0045] (1) Partial degumming: use lye containing 4g / L industrial soap and 3g / L soda ash, soak for 35 minutes at a temperature of 75°C, and filter to obtain the filtrate and filter residue, wherein the filtrate is filtered through primary filtration and ultrafiltration membrane , concentrated, and freeze-dried to make silk gum protein, and the filter residue was washed in 75°C hot water for 5 minutes, 50°C warm water for 5 minutes, and 20°C room temperature water for 5 minutes, then placed in an oven at 105°C and dried to constant weight to obtain residual glue. Silk fiber with a rate of 4.35%;
[0046] (2) Pretreatment: Cut the silk fibers into fibers with a length of 1.0 cm, and soak them for 2 minutes at a bath ratio of 1:80, a sodium bicarbonate solution concentration of 0.8 g / L, and a temperature of 30° C.;
[0047] (3) Fiber dissociation: transfer the impregnated fiber in its wet state to a fiber dissociation device with ...
Embodiment 3
[0052] A silk mask made by the following steps:
[0053] (1) Partial degumming: use lye containing 6g / L industrial soap and 2g / L soda ash, soak for 40min at a temperature of 70°C, and filter to obtain the filtrate and filter residue, wherein the filtrate is filtered through primary filtration and ultrafiltration membrane , concentrated, and freeze-dried to make silk fibroin, and the filter residue was washed in 85°C hot water for 5 minutes, 45°C warm water for 5 minutes, and 20°C room temperature water for 5 minutes, then placed in an oven at 105°C and dried to constant weight to obtain residual glue. Silk fiber with a rate of 4.26%;
[0054] (2) Pretreatment: cut the silk fibers into fibers with a length of 1.0 cm, soak for 1 min at a bath ratio of 1:120, a sodium bicarbonate solution concentration of 0.9 g / L, and a temperature of 30° C.;
[0055] (3) Fiber dissociation: transfer the impregnated fiber in its wet state to a fiber dissociator with a bath ratio of 1:340 and a s...
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