54 results about "Benzoin" patented technology

The invention discloses an epoxy powder coating and a preparation method thereof, and belongs to the technical field of powder coating production, firstly, the epoxy powder coating is prepared from the following raw materials in parts by mass: 100 parts of epoxy resin, 15-20 parts of modified phenolic resin, 12-15 parts of carboxyl-terminated polyester resin, 4-8 parts of nano cerium oxide coated mica, 1.5-2.0 parts of a flatting agent and 0.5-1.0 part of benzoin; the modified phenolic resin is prepared by carrying out addition on bisphenol A phenolic resin and DOPO, neutralizing and carrying out reduced pressure distillation; the carboxyl-terminated polyester resin is prepared by carrying out esterification polycondensation on terephthalic acid, isophthalic acid, neopentyl glycol and trimethylolpropane, and then modifying by trimellitic anhydride; the nano cerium oxide coated mica is prepared by coating white mica powder with cerium oxide precipitate, and then carrying out surface treatment and crushing.

The invention provides a high-flexibility low-temperature fast curing powder coating for reinforcing steel bars as well as a preparation method and application thereof, and belongs to the technical field of powder coatings. The powder coating comprises the following components in parts by mass: 180-200 parts of high-toughness epoxy resin, 45-48 parts of a high-toughness phenolic curing agent, 6-8 parts of a flatting agent, 2-4 parts of a brightener, 1-2 parts of benzoin and 55-70 parts of pigment filler. The high-toughness epoxy resin is obtained by polymerizing bisphenol F diglycidyl ether, 1, 10-decanediol, glyceryl monobutyrate, hexamethylene diisocyanate, dodecanedioic acid, triglycidyl p-aminophenol and the like; the high-toughness phenolic curing agent is obtained by polymerizing bisphenol F diglycidyl ether, 1, 4-butanediol diglycidyl ether and bisphenol F. The coating is used for low-temperature rapid curing molding on the surface of the reinforcing steel bar to obtain a coating, and has excellent bending resistance and corrosion resistance.

The invention discloses a scratch-resistant flame-retardant insulating powder coating, a preparation method thereof and application of the scratch-resistant flame-retardant insulating powder coating in rail transit and new energy automobiles, and relates to the technical field of polysiloxane powder coatings. The scratch-resistant flame-retardant insulating powder coating is prepared from the following raw materials in parts by weight: 100 to 120 parts of polysiloxane epoxy resin, 10 to 20 parts of modified curing agent, 5 to 10 parts of flame retardant, 3 to 6 parts of flexibilizer, 2 to 3 parts of flatting agent, 1 to 2 parts of benzoin and 8 to 10 parts of mica powder. The scratch-resistant flame-retardant insulating powder coating prepared by the invention has good impact resistance, flame retardance, adhesive force and insulating property.

The invention discloses a flame-retardant corrosion-resistant coating and a preparation method thereof, and relates to the technical field of fluorocarbon resin powder coatings. The flame-retardant corrosion-resistant coating comprises the following raw materials in parts by weight: 15-25 parts of fluorocarbon resin, 40-50 parts of epoxy resin, 3-5 parts of a curing agent, 5-7 parts of a reinforcing agent, 4-6 parts of a corrosion inhibitor, 6-8 parts of filler, 1-2 parts of a flatting agent and 0.5-1 part of benzoin. The preparation method comprises the following steps: reacting phosphonitrilic chloride trimer with p-hydroxybenzaldehyde to generate an intermediate 1, reacting the intermediate 1 with p-aminobenzoic acid to generate an intermediate 2, and reacting the intermediate 2 with 2-heptyl ethylene oxide to generate the reinforcing agent. The flame-retardant corrosion-resistant coating prepared by the invention has excellent mechanical properties, corrosion resistance, aging resistance and flame retardance.

The invention discloses an anticorrosive coating composition based on a nano hybrid and a preparation method of the anticorrosive coating composition, and relates to the technical field of powder coatings. Comprising the following components in parts by weight: 60-70 parts of fluorosilicone modified epoxy resin, 8-10 parts of an aminoethylated acrylic polymer, 4-8 parts of a functionalized nano hybrid, 4-6 parts of a curing agent, 0.3-1.2 parts of an accelerant, 1-2 parts of benzoin, 2-4 parts of a functional aid, 10-15 parts of a micron-sized filler and 1-2 parts of a coupling agent. The curing agent is prepared by compounding dicyandiamide, bicyclo [2.2. 1] heptane dimethylamine and 3, 5-diamino-1, 2, 4-triazole according to a mass ratio of (3 to 5): 1: (0.8 to 1.2). The coating composition is high in adhesive force and excellent in impact resistance and corrosion resistance.

The invention relates to the field of powder coatings, in particular to a high-adhesion powder coating and a preparation method thereof.The high-adhesion powder coating is prepared from, by weight, 20-30 parts of epoxy resin, 20-30 parts of polyester resin, 3-5 parts of curing agent, 17-18 parts of filler, 2-4 parts of pigment, 0.5-2 parts of flatting agent and 0.5-2 parts of benzoin; the epoxy resin is at least one of triglycidyl p-aminophenol, sulfonic acid grafted modified epoxy resin and bisphenol A epoxy resin. The epoxy resin is used as a core film-forming substance, contains polar groups, and can form chemical bonding or physical adsorption with the surface of a metal substrate, so that the binding force of the coating and the metal substrate is remarkably improved; the polyester resin and the epoxy resin are compounded, so that the brittleness of the epoxy resin can be balanced, the toughness and cohesion of the powder coating are effectively improved, and the adhesive force of the powder coating on a metal base material is further enhanced, so that the powder coating with strong adhesive force is prepared.

The present invention relates to the field of coating preparation. Disclosed are a low-temperature curing thin-coat powder coating and a preparation method therefor. The powder coating comprises a resin, an accelerant, a curing agent, a dispersing agent, benzoin, barium sulfate, a leveling agent, a brightening agent, and a pigment as preparation raw materials, and the preparation raw materials of the resin comprise neopentyl glycol, ethylene glycol, 1,4-cyclohexanedimethanol, terephthalic acid, adipic acid, isophthalic acid, a catalyst, and an antioxidant. In the present application, by optimizing the preparation raw materials of the resin and the preparation raw material proportion, the branching degree and the terminal carboxyl activity of the resin are effectively improved, the reaction activity of the resin is ensured, the curing temperature of the powder coating is reduced, and excellent weather resistance and mechanical properties can also be obtained; moreover, the catalyst and the antioxidant are added in the resin preparation stage, thereby facilitating improvement of the storage stability, solving, taken as a whole, the problem of non-uniform dispersion of powder coatings, and facilitating improvement of the glossiness of the coating and the performance of the coating.

The invention relates to the technical field of traditional Chinese veterinary medicines, in particular to a veterinary antiviral traditional Chinese medicine composition and a preparation method thereof.The traditional Chinese medicine composition is prepared from, by weight, 20-40 parts of gypsum and 15-30 parts of rhizoma anemarrhenae; 15-30 parts of cornu bubali; 10-15 parts of manyleaf paris rhizome; 10-15 parts of radix paeoniae rubra; 10 to 15 parts of moutan bark; 10 to 15 parts of uncaria rhynchophylla; 0.3-1 part of calculus bovis factitius; 15 to 30 parts of magnet; 1-3 parts of benzoin; 10-15 parts of radix trichosanthis; and 10-15 parts of cape jasmine. The preparation method comprises the following steps: decocting the traditional Chinese medicines to prepare traditional Chinese medicine decoction, and concentrating overnight filtrate under reduced pressure to obtain traditional Chinese medicine fluid extract; and adding clinically acceptable auxiliary materials into the traditional Chinese medicine fluid extract, and preparing a clinically acceptable oral traditional Chinese medicine preparation by adopting a conventional preparation mode. The veterinary antiviral traditional Chinese medicine composition provided by the invention has a good treatment effect on viral diseases of livestock according to the principle of dialectical treatment of traditional Chinese veterinary medicines, can be used for replacing western medicines, and effectively avoids the problems of food safety and drug resistance caused by drug residues of the western medicines.

This invention belongs to the field of traditional Chinese medicine technology, specifically relating to a traditional Chinese medicine composition, its preparation method, and its uses. By mass parts, the raw materials of the traditional Chinese medicine composition include: 20-60 parts of Acorus calamus, 30-50 parts of Citrus aurantium, 20-60 parts of Benzoin, and 40-100 parts of Catechu. The traditional Chinese medicine composition of this invention has simple and natural components, and clear efficacy. It can effectively reduce the levels of XOD, SUA, CRE, BUN, TNF-α, IL-6, D-Lac, and DAO in the serum of a mouse model of gout, and significantly reduce the renal index, demonstrating good efficacy in treating hyperuricemia and / or gout.

The embodiment of the invention provides a method for preparing benzil by oxidizing benzoin, which comprises the following steps: S1, adding benzoin and a ferric ion solution into a reaction kettle, stirring and heating for reaction; s2, sampling and layering in the reaction process, observing the color of a water phase, introducing chlorine gas into the reaction kettle when the water phase is changed from brown yellow to green, and introducing the chlorine gas below the liquid level of the reaction liquid; s3, when yellow green gas overflows from tail gas, liquid phase detection is carried out, benzoin reaction is completed, and the reaction is stopped; s4, after standing, separating liquid to obtain a lower-layer water phase and an upper-layer organic phase; wherein the lower-layer water phase is an aqueous solution rich in ferric ions, and the upper-layer organic phase is the product benzil. According to the embodiment of the invention, at least the metabolite of the ferric ions, namely the ferrous ions, is changed into the ferric ions which can be recycled.

The invention discloses a fireproof insulating material and a preparation method thereof, and the fireproof insulating material comprises the following raw materials in percentage by weight: 20-30% of silicon resin, 20-30% of phenolic modified epoxy resin, 7.5-10% of an epoxy curing agent, 5-6% of an isophorone diisocyanate curing agent, 0.5-1% of a flatting agent, 0.2-0.5% of an electricity increasing agent type powdering aid, 0.3-0.5% of benzoin, 0.3-0.5% of an antioxidant and the balance of a solvent. 11.3-15% of a flame-retardant and fire-resistant functional auxiliary agent, and the balance of a pigment and a filler; the filler is a composition prepared from glass powder, mica powder, aluminum phosphate and wollastonite in a mass ratio of (8-10): (4-5): (2.6-3): (4-4.5). Through the mode, when the fireproof insulating material is used, the surface of a protected workpiece is coated with the powder, a protective coating is formed after baking and curing, and the curing conditions are 230 DEG C and 30 min; the protective coating has good initial insulation performance, still has good insulation effect after being burned in open fire at 1300 DEG C for 30 min, and can pass insulation performance tests after the initial coating and open fire burning: alternating voltage AC is 3000V, test duration is 60s, and current is less than 1mA.

The invention relates to the technical field of animal medicines, and particularly discloses a veterinary medicine compound preparation as well as a preparation method and application thereof. The veterinary medicine compound preparation is prepared by boiling, extracting, concentrating and diluting eight Tibetan medicines including aconitum pendulum, fructus chebulae, radix inulae inula, benzoin, pterocephalus hookeri, lagotis lagotis, amomum tsao-ko and rhodiola rosea. The veterinary drug compound preparation provided by the invention has an antibacterial range of 8.67 mm to 23.77 mm on enterotoxic large intestine dried bacteria, salmonella enteritidis and pasteurella multocida, and has an inhibition rate of 60% to 72% on enterotoxigenic escherichia coli diarrhea, salmonella enteritidis diarrhea and pasteurella multocida diarrhea; therefore, the veterinary drug compound preparation provided by the invention has a remarkable inhibition effect on enterotoxic large intestine dry bacteria, salmonella enteritidis and pasteurella multocida.

The invention belongs to the technical field of organic synthesis, and particularly discloses a method for preparing benzil through air oxidation of benzoin under the action of catalytic amount of Prussian blue, which comprises the following steps: sequentially adding benzoin, Prussian blue, inorganic alkali, ethanol and water into a reactor, stirring and reacting for 10-60 minutes in air, filtering, washing and drying to obtain the benzil. After the reaction is completed, filtering, extracting and separating to obtain an organic phase, and drying and concentrating the organic phase to obtain a finished product benzil. According to the invention, benzoin is taken as a raw material, prussian blue is taken as an additive to reduce the occurrence of excessive oxidation reaction, and benzil is rapidly synthesized; the synthesis method disclosed by the invention is green and environment-friendly, simple in reaction operation, free of additional separation and purification steps of products, high in reaction speed, obviously improved in reaction yield, low in environmental pollution, capable of effectively reducing the reaction cost and easy to popularize and use, and air is used as an oxidizing agent, alcohol is used as a solvent, and a catalytic amount of Prussian blue is used.

Biomass derived benzoin derivatives, and methods of making and using the same, are described. Benzoin derivatives may be used as visible light photoinitiators.

The invention belongs to the technical field of coatings, and particularly relates to an epoxy anti-corrosion primer powder coating which comprises raw materials. The raw materials comprise the following components in parts by weight: 300 to 480 parts of epoxy resin, 280 to 300 parts of polyester resin, 100 to 140 parts of a phenolic aldehyde curing agent, 8 to 12 parts of a flatting agent, 1 to 5 parts of benzoin, 3 to 7 parts of a brightener, 1 to 5 parts of PE wax, 0.3 to 0.7 part of dimethylmizole, 18 to 22 parts of an adhesion promoter, 38 to 42 parts of zinc phosphate, 38 to 42 parts of zinc powder, 90 to 110 parts of titanium dioxide, 3 to 7 parts of pigment and 160 to 260 parts of barium sulfate. The adhesive force of the epoxy anti-corrosion base powder coating is greatly improved, and then the phenomenon of falling can be avoided.

The present invention discloses a pH-responsive nanocomplex, a preparation method thereof and applications, belonging to the technical field of biomedicine. The preparation method of the pH-responsive nanocomplex disclosed by the present invention includes: S1. Using N-(2-hydroxyethyl) acrylamide, PPTS and allyl vinyl ether as raw materials to react to generate AEEAA; S2. Reacting PAMAM with AEEAA to generate PAMAM-acetal-ene; S3. Reacting benzoin diethyl ether, cysteamine hydrochloride with PAMAM-acetal-ene to synthesize PAMAM-acetal-NH2; S4. Mixing and reacting PAMAM-acetal-NH2 with VDQACs in water to synthesize a pH-responsive nanocomplex. The present invention also discloses the pH-responsive nanocomplex prepared by this method and its application in the preparation of drugs for preventing and / or treating dental caries. The nanocomplex of the present invention releases the antibacterial drug VDQACs in response to pH changes to kill pathogenic bacteria; at the same time, the nanocomplex also has an unexpected remineralization induction function.

The invention discloses a polyester type powder coating and a preparation method thereof, and belongs to the technical field of coating production, firstly, the polyester type powder coating is prepared from the following raw materials in parts by mass: 45 to 55 parts of film forming matter, 15 to 20 parts of curing agent, 5 to 15 parts of pigment, 10 to 15 parts of filler, 0.3 to 0.8 part of benzoin and 0.5 to 1.5 parts of antioxidant. Wherein the film forming substance is prepared by carrying out a self-polycondensation reaction on 2, 2-dimethylolpropionic acid under high-temperature catalysis and nitrogen protection; wherein the curing agent is prepared by the following steps: esterifying 2, 4-dihydroxybenzophenone and trimellitic anhydride in N, N-dimethylformamide, and catalyzing by ion exchange resin to obtain a carboxylic acid-containing intermediate; and carrying out ring-opening reaction with epoxy chloropropane, carrying out ring-closing reaction with NaOH, and introducing a glycidyl ester structure.

The application discloses a low-temperature curing thin coating powder paint and a preparation method thereof, and belongs to the field of paint preparation. The powder paint comprises preparation raw materials of resin, accelerant, curing agent, dispersant, benzoin, barium sulfate, leveling agent, gloss enhancer and pigment. The preparation raw materials of the resin comprise neopentyl glycol, ethylene glycol, 1,4-cyclohexane dimethanol, terephthalic acid, adipic acid, isophthalic acid, catalyst and antioxidant. The application effectively improves the branching degree and end carboxyl activity of the resin by optimizing the preparation raw materials and the preparation raw material ratio of the resin, reduces the curing temperature of the powder paint while ensuring the reaction activity of the resin, and also obtains excellent weather resistance and mechanical properties. The catalyst and antioxidant are added in the resin preparation stage, which helps to improve the storage stability, solves the problem of uneven dispersion of the powder paint as a whole, and helps to improve the gloss of the coating and the performance of the coating.

The invention relates to the technical field of medicines, in particular to cold-dispelling and dampness-eliminating massage medicinal oil and a preparation method thereof. The cold-dispelling and dampness-dispelling massage medicinal oil is prepared from the following raw materials in parts by weight: 40-80 parts of medicinal oil, 17-19 parts of an oil phase, 35-45 parts of ionized water and 0.2-0.3 part of an antioxidant. Compound traditional Chinese medicine powder is extracted from sesame oil to prepare medicine oil, and the compound traditional Chinese medicine powder comprises fructus chebulae, tinospora sinensis merr powder, saussurea lappa, benzoin, myristica fragrans, fennel, ferula asafetida, semen brassicae, flos carthami, fructus tsaoko, fructus amomi rotundus, flos caryophylli, pericarpium zanthoxyli and rhizoma nardostachyos. According to the preparation method of the cold-dispelling and dampness-eliminating massage medicinal oil, the medicinal oil, the oil phase, the deionized water and the antioxidant are homogenized and emulsified through gradient homogenization, and the cold-dispelling and dampness-eliminating massage medicinal oil is prepared and has the effects of dispelling cold, eliminating dampness, dredging channels and collaterals, and being low in sensitivity, efficient and high in safety.

This invention discloses a method for preparing powder coatings for coiled steel, comprising the following steps: S1, weighing the following raw materials by mass percentage: linear polyester; epoxy resin; curing agent; diamond coating wax powder; leveling agent; benzoin; pigment; filler; by modifying the epoxy resin with polycarboxylic acid and further modifying it with sulfonyl chloride, the polarity of the coating can be increased due to the high reactivity and polarity of the sulfonyl group. When the sulfonyl group reacts with the benzene ring in the linear polyester, it leads to the destruction of structures such as conjugated double bonds or triple bonds, thereby increasing the polarity and chemical stability of the coating. The increase in polarity can change the intermolecular interaction forces, increase the regularity and order of the molecules, and the increase in chemical stability can inhibit the occurrence of chemical reactions, thereby reducing the reaction of electron transitions on π→π orbitals, avoiding the problems of yellowing and degradation caused by transition reactions under ultraviolet radiation, and improving the anti-aging effect of the coating.

This invention relates to the field of powder coating technology and discloses a low-temperature curing polyester powder coating and its preparation method. The coating comprises the following components in parts by weight, obtained through a melt polycondensation reaction: 50-65 parts low-temperature curing polyester resin, 3-8 parts crosslinking curing agent, 0.5-2 parts leveling agent, 0.1-1 parts gloss enhancer, 0.3-0.5 parts benzoin, 10-16 parts titanium dioxide, and 16-20 parts filler. After uniformly mixing the low-temperature curing polyester resin and crosslinking curing agent, the mixture is baked and cured at 150°C for 10 minutes to obtain a low-temperature curing polyester material. This material exhibits high curing degree, water resistance, and anti-frosting properties, preventing water from entering the coating and causing hydrolysis and aging. It also possesses good adhesion, impact resistance, and hardness. While maintaining excellent room temperature storage stability, it can achieve rapid curing at lower temperatures, meeting the needs of energy conservation, emission reduction, and improved production efficiency.

The invention relates to the technical field of animal medicines, and particularly discloses a veterinary medicine compound preparation as well as a preparation method and application thereof. The veterinary medicine compound preparation is prepared by boiling, extracting, concentrating and diluting eight Tibetan medicines including aconitum pendulum, fructus chebulae, radix inulae inula, benzoin, pterocephalus hookeri, lagotis lagotis, amomum tsao-ko and rhodiola rosea. The veterinary drug compound preparation provided by the invention has an antibacterial range of 8.67 mm to 23.77 mm on enterotoxic large intestine dried bacteria, salmonella enteritidis and pasteurella multocida, and has an inhibition rate of 60% to 72% on enterotoxigenic escherichia coli diarrhea, salmonella enteritidis diarrhea and pasteurella multocida diarrhea; therefore, the veterinary drug compound preparation provided by the invention has a remarkable inhibition effect on enterotoxic large intestine dry bacteria, salmonella enteritidis and pasteurella multocida.

The invention relates to the technical field of powder coatings, and discloses a low-temperature curing polyester type powder coating and a preparation method thereof.The low-temperature curing polyester type powder coating is prepared from, by weight, 50-65 parts of low-temperature curing polyester resin, 3-8 parts of a cross-linking curing agent, 0.5-2 parts of a flatting agent, 0.1-1 part of a sensitizer, 0.3-0.5 part of benzoin, 10-16 parts of titanium dioxide and 16-20 parts of filler through a melt polycondensation reaction, the low-temperature cured polyester resin and the crosslinking curing agent are uniformly mixed and then baked and cured for 10 minutes at 150 DEG C to obtain the low-temperature cured polyester material, and the low-temperature cured polyester material has relatively high curing degree, water resistance and frosting resistance, can prevent hydrolysis and aging caused by water entering a coating, has good adhesive force, impact resistance and hardness, and can be applied to the field of coating materials. While the excellent room-temperature storage stability is maintained, rapid curing can be realized at a relatively low temperature, and the requirements of energy conservation, emission reduction and production efficiency improvement are met.

The invention relates to the technical field of powder coatings, in particular to a thermosetting molding powder coating as well as a preparation method and application thereof. The thermosetting molding powder coating is prepared from the following raw materials in parts by mass: 80 to 120 parts of epoxy resin, 20 to 40 parts of polyester resin, 1 to 5 parts of triglycidyl isocyanurate, 1 to 2 parts of flatting agent, 1 to 2 parts of sensitizer, 1 to 2 parts of benzoin, 1 to 5 parts of wax powder, 5 to 15 parts of calcium carbonate, 1 to 3 parts of organic pigment, 1 to 2 parts of titanium dioxide, 1 to 2 parts of sand texture agent, 1 to 2 parts of orange texture agent and 1 to 2 parts of amino-terminated polyamidoamine. 1-3 parts of a water-based silane coupling agent, 5-15 parts of a sodium sulfate aqueous solution and 10-30 parts of a barium chloride aqueous solution. The obtained coating not only has good toughness and impact resistance, but also has strong binding force with a pipe body, so that the coating is firmly melted and adhered to the pipe, and the adhesive force is the first grade; the high-temperature-resistant performance is excellent, the material can be used in a high-temperature water environment for a long time, and the humidity and heat resistance is excellent.

The invention belongs to the technical field of biological electrodes, and particularly relates to a high-viscosity flexible spinal cord electrical stimulation electrode for chronic pain treatment and a preparation method of the high-viscosity flexible spinal cord electrical stimulation electrode. The preparation method comprises the following steps: pre-polymerizing and dispersing dithiothreitol, benzoin dimethyl ether, vinyl-terminated polydimethylsiloxane and boric acid in a proper ratio in a nitrogen atmosphere to obtain a silica gel mixture; performing ultraviolet irradiation to obtain high-viscosity polyborosilane marked as PBS, and coating a silica gel film with the PBS to serve as a flexible substrate of the electrode; and then sputtering a conductive circuit on the PBS, and packaging by using the PBS to only expose electrode sites to obtain the flexible electrode. The preparation method disclosed by the invention is simple, efficient and rapid, and the obtained electrode is good in biocompatibility, has high adhesion and deformability to all biological interfaces, and can be tightly attached to the surfaces of biological tissues with different shapes; wherein sulfydryl and sulfur atom sites in the PBS can interact with gold, so that a surface circuit has in-vivo long-term stability.

The present application relates to the technical field of medicine, in particular to a preparation method and application of Yixin pill. The preparation method comprises the following steps: crushing red ginseng, safflower, Fupian (black Shunpian) and Sanqi, and performing complex enzyme hydrolysis, inactivation, to obtain extract A; crushing toad venom and pearl powder, mixing with ox horn tip powder, performing papain hydrolysis, inactivation, to obtain extract B; combining extract A and extract B, adding beta-glucosidase for hydrolysis, inactivation, filtration, concentrating and drying the filtrate, to obtain extract C; fully dissolving artificial cow-bezoar, artificial musk, borneol and benzoin, adding sodium alginate solution and chitosan solution, stirring, freeze-drying, to obtain component D; mixing extract C and component D, adding starch, stirring, pill-making, drying, activated carbon coating, polishing, to obtain Yixin pill. The Yixin pill prepared by the preparation method has better effects of reducing blood pressure and blood lipid than Yixin pill prepared by the pharmacopoeia method and other comparative examples.

The application discloses a kind of weather-resistant insulating coating and preparation method thereof, belong to functional coating material technical field.The weather-resistant insulating coating includes the following weight parts of component: polyester resin 45-65 parts, curing agent 3-8 parts, leveling agent 0.5-1.5 parts, benzoin degassing agent 0.3-0.8 parts, ultraviolet absorber CoWO4-ZnS 1-5 parts, antioxidant 0.3-1.0 parts, dispersing agent 0.2-0.8 parts, defoaming agent 0.1-0.5 parts, pigment 5-20 parts.By CoWO4 with ZnS composite, wide band ultraviolet absorption and efficient separation of photo-generated carriers are realized, and the weather resistance of coating is significantly improved.

The invention discloses a nerve-calming and depression-resolving aromatic bead and a preparation method thereof, and relates to the technical field of aromatic products. The invention aims to provide the mind-tranquilizing and depression-resolving aromatic bead which is remarkable in effect, stable in forming, safe and harmless. The traditional Chinese medicine composition specifically comprises 70% of core medicinal material powder, 25% of sticky powder and 5% of honey, the preparation method specifically comprises the following steps: respectively removing surface impurities from lavender, poria cocos, polygala tenuifolia, benzoin and pericarpium citri reticulatae, flushing dust on the surfaces of the medicinal materials with purified water, placing the medicinal materials in a constant-temperature drying box, and drying at 40-50 DEG C until the moisture content is less than or equal to 7%. On the basis of the traditional Chinese medicine compatibility theory, five natural traditional Chinese medicinal materials such as lavender, poria cocos and polygala tenuifolia which have the effects of soothing the nerves and relieving depression are selected, the effects of all the medicinal materials can be complemented, the synergistic effect is achieved, and through the dual drug effect ways of smell inhalation and direct contact with skin, insomnia can be effectively improved, anxiety can be relieved, mood can be effectively regulated, and the effect of soothing the nerves and relieving depression is achieved. The problems of single effect and weak pertinence of the existing blended aromatic beads are solved.

The invention provides a pharmaceutical composition for pulmonary tuberculosis and a preparation method and application thereof, and the pharmaceutical composition comprises the following raw materials in parts by weight: 40-60 parts of fructus chebulae, 20-30 parts of acorus calamus, 10-20 parts of embelia laeta, 10-15 parts of fructus viticis, 10-15 parts of buchnera buxifolia, 10-15 parts of radix aucklandiae, 10-15 parts of travertine, 10-15 parts of frankincense, 10-15 parts of semen cassiae, 10-15 parts of abelmoschus esculentus, 10-15 parts of benzoin and 10-15 parts of safflower. The traditional Chinese medicine composition is prepared from 10-15 parts of clove, 10-15 parts of fructus amomi rotundus, 10-15 parts of fructus tsaoko, 10-15 parts of semen myristicae, 5-7 parts of catechu, 2-3 parts of zota and 1-2 parts of artificial musk. The raw materials are scientific in compatibility and reasonable in compounding, pure natural traditional Chinese medicines are used as the raw materials, and the traditional Chinese medicine composition is safe and mild, has the efficacy of treating pulmonary tuberculosis, is quick in efficacy, has no obvious side effect, does not cause damage to liver and kidney functions, does not generate drug resistance, can regulate the whole body of the lung, regulate the body and enhance the immunity, is low in recurrence rate and is convenient to take.

The invention relates to the technical field of medicines, in particular to a preparation method and application of heart tonifying pills. The preparation method comprises the following steps: crushing red ginseng, safflower, radix aconiti lateralis praeparata (black prepared common monkshood daughter root) and pseudo-ginseng, performing enzymolysis with compound enzyme, and inactivating to obtain an extract A; crushing venenum bufonis and pearls, mixing the crushed venenum bufonis and pearls with ox horn tip powder, and performing enzymolysis and inactivation with papain to obtain an extract B; combining the extract A and the extract B, adding beta-glucosidase for enzymolysis, inactivating, filtering, and concentrating and drying filtrate to obtain an extract C; after calculus bovis factitius, artificial musk, borneol and benzoin are fully dissolved, a sodium alginate solution and a chitosan solution are added, stirring and freeze drying are conducted, and a component D is obtained; and mixing the extract C and the component D, adding starch, uniformly stirring, pelleting, drying, coating with activated carbon, and polishing to obtain the traditional Chinese medicine composition. The heart-tonifying pill prepared by the preparation method disclosed by the invention has better effects of reducing blood pressure and blood fat than heart-tonifying pills prepared by a pharmacopoeia method and other contrast agents.