Hydrogel dressing and preparation method thereof
A hydrogel and deionized water technology, applied in medical science, absorbent pads, bandages, etc., can solve the inconvenience of observing wound healing, achieve good stretch resistance and biocompatibility, and enhance stretch resistance The effect of strength, long-lasting antibacterial effect
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Embodiment 1
[0024] A hydrogel dressing, comprising in parts by weight: 2 parts of seabuckthorn extract, 1 part of herb extract, 3 parts of hyaluronic acid, 0.5 part of polylysine, 3 parts of polyhydroxyethyl methacrylate, carrageenan 2 parts, 1 part of 2-hydroxyethyl methacrylate, 0.8 parts of vitamin C, 1 part of polyvinyl alcohol, 2 parts of calcium chloride, 1 part of borax, 0.7 parts of ammonium dihydrogen phosphate, 2 parts of glycerin, 3 parts of mannose parts, 20 parts of deionized water.
[0025] The above seabuckthorn extract is seabuckthorn proanthocyanidin; the herb extract is the volatile oil of herb; the degree of polymerization of polyvinyl alcohol is 1000, and the degree of alcoholysis is 80%.
[0026] The preparation method of above-mentioned hydrogel dressing comprises the following steps:
[0027] Step 1: prepare seabuckthorn extract, dry and pulverize seabuckthorn leaves, add absolute ethanol to the powder and heat under reflux at 60°C for extraction, suction filter th...
Embodiment 2
[0033] A hydrogel dressing, comprising in parts by weight: 3 parts of seabuckthorn extract, 2 parts of herb extract, 5 parts of hyaluronic acid, 1.2 parts of polylysine, 8 parts of polyhydroxyethyl methacrylate, carrageenan 6 parts, 3 parts of 2-hydroxyethyl methacrylate, 1.5 parts of vitamin C, 2 parts of polyvinyl alcohol, 4 parts of calcium chloride, 2 parts of borax, 0.9 parts of ammonium dihydrogen phosphate, 4 parts of glycerin, 6 parts of mannose parts, 30 parts of deionized water.
[0034] The above seabuckthorn extract is seabuckthorn proanthocyanidin; the herb extract is the volatile oil of herb; the degree of polymerization of polyvinyl alcohol is 3000, and the degree of alcoholysis is 80%.
[0035] The preparation method of above-mentioned hydrogel dressing comprises the following steps:
[0036] Step 1: prepare seabuckthorn extract, dry and pulverize seabuckthorn leaves, add absolute ethanol to the powder and heat under reflux at 60°C for extraction, suction filt...
Embodiment 3
[0042] A hydrogel dressing, comprising in parts by weight: 5 parts of seabuckthorn extract, 2 parts of herb extract, 7 parts of hyaluronic acid, 1.5 parts of polylysine, 9 parts of polyhydroxyethyl methacrylate, carrageenan 7 parts, 5 parts of 2-hydroxyethyl methacrylate, 2.2 parts of vitamin C, 5 parts of polyvinyl alcohol, 4 parts of calcium chloride, 3 parts of borax, 1.2 parts of ammonium dihydrogen phosphate, 6 parts of glycerin, 5 parts of mannose parts, 35 parts of deionized water.
[0043] The above seabuckthorn extract is seabuckthorn proanthocyanidin; the herb extract is the volatile oil of herb; the degree of polymerization of polyvinyl alcohol is 1000, and the degree of alcoholysis is 80%.
[0044] The preparation method of above-mentioned hydrogel dressing comprises the following steps:
[0045] Step 1: prepare seabuckthorn extract, dry and pulverize seabuckthorn leaves, add absolute ethanol to the powder and heat under reflux at 60°C for extraction, suction filt...
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