345results about How to "Strong irritant" patented technology

The invention discloses a multiple crosslink ultraviolet solidification aqueous polyurethane disperser, a relative preparation method and an application. The preparation method comprises synthesizing polyurethane initial polymerized compound I, synthesizing polyurethane prepolymer II, synthesizing polyurethane prepolymer III, synthesizing polyurethane acrylate oligomer and synthesizing ultraviolet solidification aqueous polyurethane disperser. The invention mainly utilizes aromatic diisocyanate, diatomic alcohol prepolymer, polyhydroxy carboxylic acid, epoxy resin and hydroxyl acrylate as raw materials, with better water dispersity and storage stability, which leads in light inducer, levelling agent, defoaming agent and thickener to prepare ultraviolet solidification aqueous wood paint better than solvent ultraviolet solidification photosensitive resin, with stable storage, low fineness, high rigidity, high brightness, better flow leveling property, better water resistance, better solvent resistance, excellent abrasion resistance, environment protection, easy process and fire hazard resistance.

The invention discloses humidity and ultraviolet dual-cured polyurethane woodware coating and a preparation method thereof. A synthesis method includes synthesizing initial polyurethane polymer I, polyurethane pre-polymer II, polyurethane pre-polymer III, polyurethane acrylate oligomer and ultraviolet cured woodware coating. The humidity and ultraviolet dual-cured polyurethane woodware coating is mainly prepared by aliphatic diisocyanate, dihydric alcohol pre-polymer, polyhydroxy acid, epoxy resin and hydroxy acrylic ester and the like, and by adding auxiliaries such as photoinitiators, flatting agents, defoamers, substrate wetting agents and catalysts, the ultraviolet cured woodware coating is prepared. The ultraviolet cured woodware coating can form films and be cured under irradiation of ultraviolet, also can be cured by humidity in the air within 5 hours at the room temperature, and has the advantages of high solid, NCO (isocyanate) group content and adhesion force, fine resistance to chemical corrosion, high film coating hardness and fine storage stability and the like, can be used for irregular coating surfaces, hone finished UV (ultraviolet) paint and UV colored paint and the like where cannot be irradiated by the ultraviolet.

The invention discloses a maca composite beverage. The beverage is prepared from raw materials of, calculated by 800 to 1200kg of the beverage: 10 to 20kg of maca, 10 to 30kg of okra, 1 to 5kg of male silk moth, 0.1 to 0.5kg of arginine, 0.1 to 0.5kg of potassium sorbate, 1 to 3.5kg of citric acid, 0.05 to 0.15kg of trichlorosucrose, and an appropriate amount of water. The maca composite beverage contains no sugar and low heat. The beverage provides healthcare functions of fatigue resisting, pressure releasing, health enhancing, body strengthening, and male function enhancing. The invention also discloses the preparation method of the maca composite beverage. Maca, okra, male silk moth, arginine, citric acid, trichlorosucrose and potassium sorbate are adopted as main materials; the materials are processed through enzymolysis, extracting, mixing and filtering, such that the composite beverage is prepared. The operation is simple, and the method is suitable for industrialized productions.

The present invention relates to a needleless pain-alleviating apparatus. It is characterized by that said needleless pain-alleviating apparalus can output dilatational wave with 2H2 low-frequency and 100 plus or minus 10H2 high-frequency and uses said dilalational wave as electric pulse stimulation signal so as to attain the goal of alleviating pain. Said needleless pain-alleviating apparatus includes the following several portions: microcontroller, low-frequency signal generator, high-frequency signal generator, low-pass filter and mos switch. Said invention also provides the working principle of said meedleless pain-alleviating apparatus and its concrete operation method.

Aiming at the current situation of the cotton dissolving pulp and the wood dissolving pulp and the characteristics of the bamboo and the defects in the existing preparation of the dissolving pulp, the invention provides a method for preparing a chemical bamboo dissolving pulp. The chemical dissolving pulp produced can be widely applied in the cellulose derivative industries such as spinning viscose fiber, nitrocellulose and acetate fiber. The method comprises the following steps of: material preparation, cooking, screening, scrubbing, bleaching and paper making. The cooking procedure comprises two grades of cooking steps, wherein the primary cooking procedure is continuous cooking and the secondary cooking procedure is continuous cooking or intermittent cooking; and the bleaching procedure is elemental chlorine free bleaching or totally chlorine free bleaching. The invention solves the problems existed in the cooking and bleaching procedures. The chemical bamboo dissolving pulp can be prepared with high efficiency, low energy consumption, low material consumption and low pollution.

The invention discloses UV (Ultra Violet) hectograph printing ink used for printing, which comprises the following components in percentage by weight: 10-30 percent of polyester acrylates, 20-40 percent of polyurethane acrylates with high functional groups, 1-3 percent of auxiliaries, 10-15 percent of photoinitiators and 5-20 percent of fillers. The UV hectograph printing ink used for printing overcomes the problems of traditional solvent-based ink. The UV hectograph wear-resisting matt printing ink used for printing provided by the invention has the advantages of excellent wear-resisting matt effect, excellent printability and high UV solidifying speed, thereby being suitable for high-speed operation, being high in production efficiency and being capable of thoroughly being dried and firmly set on the surface of a substrate within 1 / 10 second. The UV hectograph printing ink used for printing meets an environmental protection demand, contains no organic volatile matter, has small irritation to the skin of a human body, is beneficial to the health of inking workers and printing workers and is also beneficial to continuously improving environment and preventing pollution.

The invention discloses an electronic cigarette with an ultrasonic atomization function and tobacco liquid. An ultrasonic liquid atomization mode is set, and compared with general liquid heating atomization, the atomization rate of ultrasonic atomization is improved. Especially, the tobacco liquid is automatically sucked out of a tobacco liquid storage bin through a liquid level adjuster to be atomized by an ultrasonic atomizer, and compared with a current fiber absorption mode and the like, liquid waste is avoided, and meanwhile it can be guaranteed that airflow is sufficient after atomization. Meanwhile, due to the fact that the tobacco liquid directly enters the ultrasonic atomizer, the atomization rate can be further improved, atomization components can be even relatively, and the taste of a smoker can be proper. In addition, high-concentration propylene glycol and glycerin components are removed from the components of the tobacco liquid, and the taste of the smoker can be more comfortable.

The invention provides a dry suspension agent containing racecadotril and the preparation method. The dry suspension agent provided in the invention contains a basic remedy ingredient with physiological available quantity and a carrier acceptable in pharmacy. The preparation method of the dry suspension agent containing racecadotril in the invention is characterized in that the basic remedy ingredient is firstly fixed evenly with a thinner and a suspending agent, then fixed with a wetting agent to produce granules in wet process, and finally fixed evenly with a corrective. The preparation method can hide the bitterness of medicine and guarantee the settling volume ratio of the dry suspension agent.

The invention discloses a selective-oxidized chitosan and a heterogeneous preparation method thereof. The method is characterized in that according to preparation of the oxidized chitosan, macromolecular chitosan is dissolved in an ionic liquid, the chitosan is precipitated from the ionic liquid by adding absolute ethyl alcohol, and porous chitosan is obtained after the ionic liquid in a precipitation is fully replaced through absolute ethyl alcohol dipping and ultrasonic oscillation; the porous chitosan is moistened and expanded in the ionic liquid to form a semisolid gel with certain viscosity, and then partial or all hydroxyls at C6 position in pyranose rings of the chitosan are selectively oxidized into carboxyls in an ionic liquid medium to obtain the selective-oxidized chitosan with adoption of a concentrated nitric acid-concentrated phosphoric acid-sodium nitrite system. According to the method, operation is simple and convenient, the oxidation reaction rate is high, the oxidation degree of the chitosan is easily controlled, oxidation products are easy to separate, the yield of the products is high, the prepared carboxyl chitosan has good antibacterial activity and water solubility, and the ionic liquid can be recycled for cyclic utilization, which is environmentally friendly.

The invention relates to new application of neoagarool igosaccharode as a hair growth agent or hair care agent and a combination containing the neoagarool igosaccharode, in particular to the application of the neoagarool igosaccharode in preparing products for improving and / or promoting hair growth or eliminating and / or relieving diseases or states related to the poor hair growth state. The neoagarool igosaccharode for the application is clear in mechanism, definite in function, free of side effects, high in safety and remarkable in effect. The combination containing the neoagarool igosaccharode has the remarkable hair loss preventing and hair growth functions and is free of irritation and side effects and high in safety.

The invention discloses a polyvinyl alcohol nanofiber membrane with excellent water resistance, a preparation method thereof and a composite filter material. The method includes mixing water with polyvinyl alcohol, heating and stirring until the mixture is completely dissolved to obtain a polyvinyl alcohol solution; mixing an organic solvent with polyvinyl formal to obtain a polyvinyl formal solution; mixing the polyvinyl alcohol solution and the polyvinyl formal solution to obtain an electrostatic spinning solution; preparing the polyvinyl alcohol nanofiber membrane by using the electrostaticspinning solution through an electrostatic spinning process; and preforming heat treatment on the polyvinyl alcohol nanofiber membrane to obtain the polyvinyl alcohol nanofiber membrane with excellent water resistance. According to the method, a macromolecular nucleating agent polyvinyl formal is added, so that the crystallinity of polyvinyl alcohol nanofibers is improved, physical crosslinking points are increased, and the water resistance of the fibers is greatly improved. The ultra-high water-resistant polyvinyl alcohol can be used as a filter material of a mask filter layer, can efficiently adsorb salt and oily particles in air, and has basically no attenuation in filtering performance.

The invention discloses a fucoidin-containing moisturizing lotion and a preparation method thereof, which relate to the technical field of cosmetic preparation. The fucoidin-containing moisturizing lotion is prepared from the following materials in parts by weight: 0.1 to 50 percent of fucoidin, 4 to 8 percent of glycerol, 0.5 to 3 percent of sorbitol, 0.5 to 2 percent of stearate group, 0.5 to 2percent of emulsifier, 3 to 10 percent of softener, 0.5 to 3 percent of cetostearyl alcohol, 0.2 to 3 percent of thickening agent, 0.05 to 0.2 percent of vitamin E acetate, 0.5 to 5 percent of skin feeling conditioning agent, 0.01 to 0.5 percent of anti-allergic agent, 0.01 to 0.5 percent of chelating agent, 0.2 to 0.6 percent of phenoxyethanol. According to the invention, since pure vegetable fucoidin is added into the materials, the moisturizing effect of the prepared moisturizing lotion is good, and the moisturizing lotion does not irritate skin, is safer, and is a safe and highly effectivenatural plant moisturizing agent.

The invention provides a lymphocyte serum-free medium which comprises the following materials per liter: a basic culture medium, 10 mg of transferrin, 0.01 mg of sodium selenite, 110 mg of pyroracemic acid, 1.5 mg of ethanolamine, 10 mg of insulin, 10 to 30 mg of glutamine substitute, 300 mg of lipid-type bovine serum albumin, 0.001 mg of cupper sulfate, 0.0005 mg of ammonium meta-vanadate, 0.00005 mg of manganese chloride, 0.8 mg of zinc sulfate, 2 mg of Vitamin E, 100 mg of PHA, and 10 to 25 mg of an MHEPES / NaHCO3 buffering system. The invention further provides a preparation method and application to lymphocyte culture of the lymphocyte serum-free medium. The lymphocyte serum-free medium has the advantages that the repeatability of lymphocyte culture is high; poisoning and polluting of blood serum to lymphocyte are avoided; convenience is brought for differentiation of the lymphocyte, so as to obtain various mitosis phases.

The invention provides rebamipide suspension eye drop containing water soluble high-molecular polymers and a preparation method thereof. The rebamipide suspension eye drop can be used for treating dry eyes. The main components of the eye drop comprise the water soluble high-molecular polymers, active pharmaceutical ingredients, a deflocculating agent, a pH regulator and an osmotic pressure regulator; the eye drop is prepared by sterilizing and filtering or high temperature sterilizing. The rebamipide suspension eye drop provided by the invention has the characteristics of being fine and uniform and free of settlement and agglomeration of particles, the sizes of the particles are kept to be consistent in a long term storage process, no particle is felt during eye dropping and no stimulation is generated, so that the rebamipide suspension eye drop is accepted by patients easily.

The invention relates to a neural stem cell injection, which is derived from a human fetal cerebral cortex source and is used for treating various brain damages. The neural stem cell injection at least comprises 1*10<6> neural stem cells, wherein the neural stem cells are obtained by separately culturing waste fetal cerebral cortex tissues; the neural stem cell are cultured by tissue separation and primary cell culture, purification and amplification culture of the neural stem cells, building of a neural stem cell library and preparation of the neural stem cell injection. The cells can be amplified by 5000 times in a serum-free culture system. According to the use condition of the cells, P5-generation neural stem cells of seed cells are recovered and counted, and undergo suspension culture in a serum-free culture medium and digestion passage, till P9-generation neural stem cells are obtain by repeating the previous steps. The neural stem cell injection is 95 percent in purity, and can be applied to treatment of various brain damage diseases such as cerebral apoplexy, hypoxic-ischemic brain damage and infantile cerebral palsy.

The invention relates to a synthesizing method of 2-amino-5,8-dimethoxy[1,2,4]-triazolo[1,5-c]-pyrimidine. The invention solves the problems such as low yield, high pollution, complicated operation, and the like of current preparation methods. The method provided by the invention comprises the steps that: methoxy methyl acetate and methyl formate are condensed under a strong-alkali condition; the condensation product is subjected to cyclization with thiourea; methylation is carried out by using chloromethane; chlorination is carried out by using phosphorus oxychloride; hydrazination is carried out by using hydrazine hydrate; the product is subjected to cyclization with cyano bromine; and under the effect of strong alkali and acrylate, a final product is obtained. With the method provided by the invention, the yield of each step is higher than 80%, and a total yield reaches 39%. The method is suitable for industrialized productions. The method provided by the invention belongs to the field of paddy rice herbicide penoxsulam intermediate preparation.

A slowly-releasing compound medicine in the form of tablet for treating and preventing thrombosis and apoplexy is prepared from aspirin, 2-(acetoxy) benzoic acid, slow-releasing dipyridamole, 2,2',2'',2''', [(4,8-dipiperidylpyrimido[5,4-d] pyrimidine-2,6-diyl) dihyponitido]-tetraethanol through granulating, tabletting and coating. Its advantages are high curative effect and equickly taking its effect.

The invention relates to a vinpocetine injection and a preparation method thereof. The vinpocetine injection is mainly prepared from vinpocetine, a cosolvent and a physical stabilizer and contains a pH regulator and a metal ion chelator. The pH range is close to the neutrality, the irritation of the vinpocetine injection is small, the stability of the vinpocetine injection is good, and antioxidants and vascular irritation regulators do not need to be added. The invention has the beneficial effects that the chemical stability of the vinpocetine injection is better, the vinpocetine injection can be stored at room temperature, the foreign matter inspection result meets the rules, and the safety of the vinpocetine injection is high.

The invention belongs to the field of medicinal chemistry, and particularly relates to a novel crystalline form A of doxercalciferol and a preparation method for the novel crystalline form A. The invention further comprises a pharmaceutical composition of the novel crystalline form A of doxercalciferol and an application of the composition for treating osteoporosis or secondary hyperparathyroidism. By virtue of Cu-Kalpha radiation, X-ray powder diffraction has diffraction peaks at positions where 2theta angles are 7.82, 8.51, 12.06, 13.01, 15.60, 17.05, 17.82, 18.71, 19.35, 20.06, 20.37, 20.62, 21.98, 22.68, 22.90, 23.81 and 24.79. The invention further discloses a technically improved scheme for preparing high purity doxercalciferol at the same time. The scheme is simple in step, easy to operate, short in consumed time and low in cost, and industrial large-scaled production is quite facilitated.

The invention is suitable for the technical field of cosmetics, and provides shower gel and a preparation method thereof. The shower gel is prepared from the following components in percentage by weight: 10%-18% of an ampholytic surfactant, 10%-15% of a nonionic surfactant, 0.5%-2.5% of a skin conditioning agent, 0.1%-1.7% of natural preservative substance, 0.05%-0.2% of a chelating agent, 0.1%-0.2% of a pH regulator and the balance of deionized water, wherein the natural preservative substance is an enzyme preparation or a mixture of the enzyme preparation and an anti-oxidant. The shower geladopts the pure natural enzyme preparation with inflammation-diminishing effect, antibacterial effect and anti-viral effect and the mixture of the enzyme preparation and the natural antioxidant to construct a natural preservative system, can achieve effective preservative effect, is gentle and free of irritation on skin, is high in safety, can keep moisture of skin, and enables skin to be not dryand tight after use.

The invention provides a new cefmetazole preparation used for injection. The preparation mixes evenly active ingredient cefmetazole acid asepsis powder and complex solubilizer anhydrous sodium carbonate asepsis powder which are respectively bottled in sterilized amoxicillin bottles according to labeled amount and are packaged to obtain the product of cefmetazole used for injection after tamponage, rolling of cover and full inspection; wherein the weight ratio between cefmetazole acid (pure) and anhydrous sodium carbonate is 1:0.1 to 1:0.2 with 1:0.15 being the better ratio, namely, 1g of cefmetazole acid (pure) asepsis powder is added into 0.1-0.2g of anhydrous sodium carbonate asepsis powder. The preparation is good in stability and safe in usage.

The aromatic germicide consists of seaweed gel, essence, organic solvent, solubilizer, pigment, chlorine dioxide, delay releasing agent, and water, and through heating, dissolving and cooling, transparent gel or granular gel of different colors may be prepared with the essence and chlorine dioxide being released slowly into air. The aromatic germicide has simple usage, low acting period and no irritation, and is superior to air sweetener in that it has both aromatizing and germicidal effects.

The invention discloses a nano-encapsulated retinol anti-acne gel and a production method thereof. The nano-encapsulated retinol anti-acne gel comprises, by weight, 0.5-5 parts of retinal, 1-3 parts of vitamin C, 1-20 parts of phospholipid, 20-40 parts of polyethylene glycol-20, 10-20 parts of caprylic triglyceride or capric triglyceride, 10-30 parts of glycerol and 5-10 parts of water. The production method of the nano-encapsulated retinol anti-acne gel is simple, and raw materials in the invention accord with cosmetic healthiness standards; and the nano-encapsulated retinol anti-acne gel has an obvious treatment effect on acnes in various stages, and is basically suitable for all people.

The invention provides a device and a method for decomposing air pollutants by dual-wave-length ultraviolet rays. The device comprises a box body and a box cover arranged on the box body. The device is characterized in that two sides of the box body are respectively provided with an air inlet and an air outlet, and the box body is internally provided with a baffle which separates the interior of the box body to be a first reaction area and a second reaction area, and the baffle is provided with a channel hole through which air passes; the first reaction area and the second reaction area are internally provided with ultraviolet lamps. The method for decomposing the air pollutants in the air comprises the following treatment steps: (1) irradiating polluted air by the ultraviolet lamp with the double wave lengths of 185nm and 254nm; and (2) irradiating the air treated from the step (1) by the ultraviolet lamp with the wavelength of 254nm. The air purified by adopting the method does not contain ozone, and prevents the secondary pollution.

The invention discloses a nourishing and conditioning moisturizer containing highland barley beta-glucan. The nourishing and conditioning moisturizer contains glycerin, butanediol, sodium hyaluronate, urea, lactic acid, sodium pyrrolidonecarboxylate, 1,2-hexanediol, caprylyl glycol, allantoin, lotus flavone extract, sophora flower bud flavone extract, highland barley beta-glucan, sodium chloride, preservative, essence and the balance of distilled water. The invention also provides a preparation method of the nourishing and conditioning moisturizer. The nourishing and conditioning moisturizer is rich in natural highland barley ingredient and highly environment-friendly, and has remarkable moisturizing, whitening and anti-aging effects.

Aiming at current situations of cotton and wood dissolving pulp, characters of bamboo material and many disadvantages existing in the existing method for preparing dissolving pulp, the invention provides a secondary stewing method for preparing bamboo material chemical dissolving pulp. The produced chemical dissolving pulp can be widely applied to derivant industry of celluloses, such as spinning viscose fiber, cellulose nitrate, acetate fiber, etc. The invention uses two-stage stewing step, wherein the first stage stewing process is continuous stewing, and the second stewing process is continuous stewing or batch stewing. The invention solves problems existing in stewing processes of the method for preparing dissolving pulp so that the bamboo material chemical dissolving pulp is prepared high-efficiently with low energy consumption, low material consumption and low pollution.

The vagina cleaning and antiphlogistic suppository is prepared with Chinese medicine materials (in weight portions) including flavescent sophora root 9-30, phellodendron bark 6-30, sessile stemona root 6-30, pricklyas 3-15, cnidium fruit 6-30 and borneol 0.1-6. It has high treating effect on various vaginitis, and is easy to absorb, safe and effective. The preparation process is also provided.

The invention relates to a soil activator. The soil activator consists of the following components in parts by weight: 30-50 parts of farm manure, 10-30 parts of potassium fulvate, 2-10 parts of malic acid, 5-9 parts of phosphate-solubilizing inoculants, 3-4 parts of sulfur powder, 2-4 parts of potassium sulfate and 6-8 parts of ammonium nitro-humate. The soil activator provided by the invention can effectively reduce usage amount of a chemical fertilizer, so that soil pollution caused by fertilizer application is reduced, soil nutrients can be sufficiently activated, and aluminum toxicity in acidic soil is reduced, and therefore, the soil activator is a soil activator for improving activity of forest nutrients of oil tea in red soil areas, and has a wide application value.

The invention discloses a Chinese medicine for treating women dysmenorrhea. The Chinese medicine comprises the following compositions in percentage by weight: 10.25-39.48% of folium artemisiae argyi, 12.78-39.48% of paederia scandens, 7.69-31.58% of dogwood, 3.84-23.68% of cassia twig, 7.69-23.68% of rhizoma cyperi, 3.84-23.68% of rhizoma corydalis and 2.56-23.68% of cinnamon. The preparation method of an external patch of the Chinese medicine comprises the steps of: mixing the medicinal herbs extract with the accessory preparing a hydrogel patch to obtain a carrier cream, and coating, cutting, standing, moisture absorbing, quality testing, packaging, etc. According to the therapeutic formula of warming channel and expelling cold, activating blood and eleminating stasis, dredging meridian and relieving pain, as well as tonifying essence and blood, the invention selects Chinese herbal medicines on the basis of the reasons of women dysmenorrhea and the body physiological characteristics, combined with clinical application experiences, and the research results of pathology and modern Chinese medicine pharmacology, which improves treatment effect. The Chinese medicine for treating women dysmenorrhea and the preparation method of the external patch of the Chinese medicine disclosed by the invention have the advantages of large medicine loading capacity of external patches, high medicine transdermal absorption efficiency, and no irritating and allergic effects for skins.