Traditional Chinese medicine parasite-expelling reagent and applications thereof
A traditional Chinese medicine and reagent technology, applied in traditional Chinese medicine repellent reagents and their application fields, can solve the problems of aggravating dermatitis symptoms, skin allergic reactions, inability to treat dermatitis, etc., and achieve the effects of preventing mosquito bites and relieving discomfort
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[0054] (3) The preparation method of insect repellent regenerated cellulose fiber, mainly including the influence of coagulation bath on the structure and tensile properties of primary insect repellent fiber, the improvement of fiber tensile properties, etc.;
[0055] (4) The structure, physical and mechanical properties and insect repelling performance of insect repellent regenerated cellulose fibers.
[0056] The invention uses mint fiber and cellulose pulp as raw materials, uses cuproammonia solution method, and adopts wet spinning to prepare insect repellent regenerated cellulose fiber. The insect-repellent regenerated cellulose fiber developed is one of the important raw materials for the development of insect-repellent textiles.
[0057] The purification of cellulose is to separate cellulose from wax, pectin and lignin to obtain products with higher purity of cellulose. The purification of cellulose mainly includes chemical method and biological method. The biological ...
specific Embodiment 1
[0097] Silverwort 1000g, Patchouli 1000g, Agrimony 1000g, Nepeta 1000g, Basil 1000g, Burdock 1000g, Atractylodes 1000g, Mint 1000g, Panax notoginseng 1000g, Calamus 1000g, Mugwort 1000g, Asarum 1000g, Clove 1000g, Fangfeng 1000g, Guizhi 1000g, Rhizoma Cyperi 1000g, Angelica dahurica 1000g, Sophora flavescens 1000g, Duhuo 1000g, Evodia rutaecarpa 1000g, steamed into crystals by distillation, crushed and sieved, passed through a 120-150 fine sieve, set aside, as component 1 Add water to soak the vaporized raw material drug residue, heat and boil 3 times, each time for 1-2 hours, filter, and the filtrate is for subsequent use; pump the filtrate after merging into a vacuum concentration tank for 3 times, and concentrate under reduced pressure to a relative density of 1.20, extract at a temperature of 60°C-70°C; become component 2, mix component 1 and component 2, and sterilize with ultraviolet light for use.
specific Embodiment 2
[0098] Silverwort 1200g, Patchouli 1200g, Agrimony 1100g, Nepeta 1200g, Basil 1100g, Burdock 1100g, Atractylodes 1100g, Mint 1200g, Panax notoginseng 1100g, Calamus 1100g, Artemisia argyi 1100g, Asarum 1100g, Clove 1200g, Fangfeng 1200g, Guizhi 1100g, Rhizoma Cyperi 1100g, Angelica dahurica 1200g, Sophora flavescens 1200g, Duhuo 1200g, Evodia rutaecarpa 1200g, vaporized into crystals by distillation, crushed and sieved, sieved through a 120-150 fine sieve, set aside, as component 1 Add the residue of the crude drug extracted by distillation to 5-10 times the amount of ethanol to soak for 4-6 hours, heat and extract 2 times, each time for 1-2 hours, remove the supernatant, and combine the extracts, 100-120 mesh filtration, and then ultrafiltration through ultrafiltration column with cut-off molecular weight of 5000-10000, and the ultrafiltrate is concentrated under reduced pressure to a filtrate with a relative density of 1.05 at 80°C. Concentrate the filtrate, put it into a do...
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