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84results about How to "Has mosquito repellent effect" patented technology

Folium artemisiae argyi extract air freshener for air sterilization and mosquito repelling

The invention discloses a folium artemisiae argyi extract air freshener for air sterilization and mosquito repelling. The air freshener contains the following ingredients in percentage by weight: 60-90% of a folium artemisiae argyi extracting solution, 10-40% of pyrethrin and 0.5-2.0% of a solubilizer. A preparation process comprises the following steps: grinding and soaking dried folium artemisiae argyi, and extracting the folium artemisiae argyi through a steam distillation method to obtain two components, i.e., folium artemisiae argyi oil on upper layer and water on lower layer; collecting a mother solution in which distillate contains 0.1-0.15% of folium artemisiae argyi oil, to obtain a folium artemisiae argyi extract; adding the solubilizer and the pyrethrin to the mother solution in percentage by weight, uniformly stirring completely, filtering, inspecting, shading, bottling and sealing to obtain the air freshener. The air freshener disclosed by the invention not only can keep air fresh, deodorize and dispel mosquitoes, but also can inhibit and kill bacteria; the air freshener can function as refreshing as well as preventing epidemic and preserving health; the air freshener is favorable for body health, free from residue and side effect, environmentally friendly and sanitary.
Owner:CHANGSHA AIYI BIOTECH

Multifunctional anti-mosquito coating material and method for preventing mosquito bites

The invention discloses a multifunctional anti-mosquito coating material and a method for preventing mosquito bites. The multifunctional anti-mosquito coating material comprises a solvent and a film forming agent, wherein the solvent is alcohol; the film forming agent adopts natural resin or synthetic resin; the solvent adopts ethyl alcohol, isopropanol, propylene glycol or deionized water and a mixture of the components; the natural resin is selected from shellac, rosin and the like; the synthetic resin is selected from sodium polyacrylate, polyvinyl pyrrolidone, polyvinyl acetate copolymer, acetyl tributyl citrate and the like. A protecting layer is formed on the body surface by the aid of the coating material, and volatile mosquito repellent substances in the protecting layer have certain mosquito repellent effect; even though part of mosquitoes pass through an odor barrier around the skin and reach the skin, the mosquitoes cannot bite the skin and suck blood smoothly, so that the anti-mosquito efficiency is higher compared with a common mosquito repellent. Besides, the coating is non-toxic to a human body, easy to clean, breathable, transparent, convenient to use and low in cost, large-scale popularization is facilitated, environmental pollution is avoided, and the drug resistance can be prevented from being produced in bodies of the mosquitoes.
Owner:BEIJING YINHEZHIZHOU ENVIRONMENTAL PROTECTION TECH

Process for preparing bamboo-wood floor capable of repelling ants and mosquitoes

The invention discloses a process for preparing bamboo-wood floor capable of repelling ants and mosquitoes. The process includes the following steps: (1) material preparation; (2) rough milling; (3) cooking and carburization; (4) drying; (5) artificial selection; (6) finish milling; (7) splicing and pressing; (8) trying plane; (9) all-side slotting; (10) end face mortising; (11) soaking; (12) secondary drying; (13) polishing and carving; (14) painting. According to the process provided by the invention, zanthoxylum bungeanum and lavandula angustifolia ingredients permeate through the bamboo-wood floor; zanthoxylum bungeanum has the function of repelling ants, and lavandula angustifolia has the function of repelling mosquitoes, so that the bamboo-wood floor can prevent ants from boring and repel mosquitoes during the using process; in addition, the natural fragrance of lavandula angustifolia can emanate slowly and make the living environment more pleasant; the floor is coated with only one layer of varnish which is good in air permeability and transparency; under the condition of not affecting the function of repelling ants and mosquitoes, the natural textures and colors of the bamboo-wood are fully exposed, which are elegant and dignified.
Owner:安徽浩峯塑业有限公司

Environment-friendly type mosquito-repellent single-component epoxy-resin-based building sound insulation adhesive and preparation method thereof

The invention discloses an environment-friendly type mosquito-repellent single-component epoxy-resin-based building sound insulation adhesive. The building sound insulation adhesive is prepared from, by weight, 56-59 parts of E-44 epoxy resin, 20-22 parts of acrylic ester, 15-16 parts of urban road waste cement residues, 6-8 parts of lignocelluloses, 0.03-0.06 part of aluminum powder, 2-3 parts of aluminum silicate fibers, 1.6-1.9 parts of camphor, 0.1-0.2 part of butanedioic anhydride, 5-6 parts of ethylenediamine, 1.9-2.1 parts of aminopropyl triethoxysilane, 5-7 parts of corn syrup, 81-83 parts of mixed solvent and a proper amount of water. The epoxy resin modified with the acrylic ester serves as a base body, the urban road waste cement residues are added, and other effective auxiliary agents are compounded; the building sound insulation adhesive obtained by compositing all the materials has the beneficial effects of being high in activity, good in stability and bonding performance, high in impact resistance and shearing strength and the like; and when the building sound insulation adhesive is used as an adhesive for interior decoration, the mosquito-repellent effect is further achieved.
Owner:刘德玉

Preparation method of mosquito repellent liquid based on ten Chinese herbal medicines

InactiveCN106577838AGood effectAvoid defects that damage the surrounding ecological environmentBiocidePest repellentsBottlePyrethrin
The invention discloses a preparation method of a mosquito repellent liquid based on ten Chinese herbal medicines, wherein the preparation method comprises the following steps: (1) grinding the ten Chinese herbal medicines comprising rhizoma atractylodis, radix angelicae, clove, herba eupatorii, folium artemisiae argyi, borneol, agastache rugosus, camphor, dried tangerine or orange peel and mint according to the ratio of 1:1:1:1:1:1:1:1:1:1 into a powder, adding the powder into an earthen pot, adding purified water with the ratio of 1:20, decocting, concentrating to 1/20, and then filtering, to obtain a filtrate for standby application; (2) drying pyrethrum white flowers in the sun, grinding into a powder, adding purified water with the ratio of 1:20, blending evenly, adding the mixture into an earthen pot, decocting, concentrating to 1/20, and then filtering, to obtain a filtrate for standby application; (3) mixing the concentrate filtrate of the ten Chinese herbal medicines and the pyrethrum concentrate filtrate according to the proportion of 4:1, then transferring to a sterilization room, and sterilizing; and (4) after the inspection is qualified, bottling the filtrate with 20 g per bottle. The mosquito repellent liquid prepared by the ten Chinese herbal medicines and having insecticidal effect has good effect compared with common single pyrethrin products and has no any harm to human body health; and the preparation method is relatively simple, and is suitable for wide promotion and application.
Owner:东莞市维科应用统计研究所

Sound-absorbing cotton with mosquito avoiding function and preparation method thereof

The invention discloses sound-absorbing cotton with a mosquito avoiding function. The sound-absorbing cotton consists of a top surface layer, a back surface layer and a fiber cotton layer clamped between the top layer and the back layer, wherein the top surface layer and the back surface layer are made of a non-woven fabric material. The sound-absorbing cotton is characterized in that the non-woven fabric material is prepared from the raw materials in parts by weight with a melt blowing method: 100 parts of isotatic polypropylene, 1-2 parts of acetofenate, 4-5 parts of polyvinyl alcohol, 1-2 parts of calcium-zinc stabilizer, 2-3 parts of antimonous oxide, 12-15 parts of acetyl triethyl citrate, 1-2 parts of polyvinyl pyrrolidone, 12-14 parts of diatomaceous earth, 1-2 parts of gypsum rubrum, 3-4 parts of amur corktree bark, 1-2 parts of willow leaves, 2-3 parts of isatis root, 1-2 parts of rhizoma paridis and 4-5 parts of aid. A mosquito repellent is uniformly distributed in the sound-absorbing cotton, so that the prepared sound-absorbing cotton has the advantages of good mosquito repelling effect, high wet resistance, high adsorptivity, remarkable sound-absorbing effect, and the like.
Owner:芜湖跃飞新型吸音材料股份有限公司

Environment-friendly recycling device for Chinese herbal medicines

The invention discloses an environment-friendly recycling device for Chinese herbal medicines. The environment-friendly recycling device comprises a wall shell, wherein a feeding cavity, a water releasing cavity, a pushing cavity and a driving cavity are formed in the wall shell; a thumbwheel mechanism is arranged in the pushing cavity; a water seepage mechanism is arranged in the feeding cavity;a water filtering screen is arranged on the lower end wall of the feeding cavity; and a driving mechanism is arranged in the driving cavity and used for driving a transmission mechanism to work. According to the device, wild chrysanthemum flower residues left after soaking are poured into the feeding cavity; redundant water seeps into the water releasing cavity through the water filtering screen and is discharged out of a sewer; redundant moisture is pressed out through pressing blocks; a push rod pushes wild chrysanthemum flower residues on the upper end surface of the water filtering screeninto the drying cavity for drying and recovery so as to prolong storage time and emit flower fragrance remaining on wild chrysanthemum flowers to outside fresh air; and dried wild chrysanthemum flowers can serve as nutriments of plants to promote plant growth and can be made into a sachet with mosquito repelling effect.
Owner:王伟秋
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