40 results about "Salicylic acid ester" patented technology

A cosmetic composition for providing a matte foundation may be provided, that includes a mattifying filler, a colorant, a hydrocarbon-based oil, a hydrocarbon-based emulsifier, water, and UV filter system consisting of an organic hydrophobic UV filter, an organic water-soluble UV filter, and an inorganic UV filter. The mattifying filler may consist of a silica aerogel and optionally a modified starch, amorphous silica, a clay, and / or a silicone elastomer. The organic hydrophobic UV filter may consist of octyl salicylate, and the cosmetic composition may be free of other organic hydrophobic ultraviolet filters. The organic water-soluble ultraviolet filter may consist of 2-phenylbenzimidazole-5-sulfonic acid (PBSA), and the cosmetic composition may be free of other organic water-soluble ultraviolet filters. The inorganic UV filter may consist of UV-grade titanium dioxide, and the cosmetic composition may be free of other inorganic ultraviolet filters.

The invention relates to the technical field of anticorrosive coatings, and discloses an environment-friendly fluorine-free aluminum alloy surface anticorrosive coating and a preparation method thereof. The preparation method comprises the following steps: carrying out intercalation modification treatment on Na-montmorillonite by using mono-quaternized hepta (salicylate) cage type polysilsesquioxane to prepare lamellar spacing stable montmorillonite loaded with a salicylate group and a polysilsesquioxane group; the preparation method comprises the following steps: compounding interlamellar spacing stable montmorillonite and bisphenol A glycidyl ether type epoxy resin based on a pi-pi accumulation effect between phenyl groups, and carrying out emulsification treatment through a phase inversion method to prepare a corrosion-resistant and weather-resistant water-borne epoxy resin emulsion; the environment-friendly fluorine-free aluminum alloy surface anticorrosive paint is prepared by taking a corrosion-resistant and weather-resistant water-borne epoxy resin emulsion as a film-forming raw material, and the paint product not only has excellent corrosion resistance, but also shows high weather resistance, and can play a role in resisting a corrosive medium and environmental aging simultaneously when being applied to the aluminum alloy surface.

A kind of recyclable high molecular weight polysalicylate green material belongs to the field of material synthesis. With six-membered ring internal anhydride ester monomer (R-SAOCAs) prepared from salicylic acid and its derivatives as raw material, Lewis base and thiourea (urea) are used to catalyze the fast controllable ring-opening polymerization of the monomer at room temperature in inert gas atmosphere and in suitable polymerization solvent, to prepare polysalicylate polymer material with number average molecular weight of more than 100,000 and molecular weight distribution within 1.30, and with accurate structure. The new type of polysalicylate polymer material has a high glass transition temperature comparable to polystyrene, and can be used as a substitute product of petroleum-based chemicals. At the same time, the polyester structure of the main chain endows the material with good degradation performance, and the material can be recycled and regenerated into salicylic acid small molecules under suitable conditions. The development of the new type of high molecular weight polysalicylate material provides a new window for the sustainable development of green materials.

The present invention provides a blood-sucking insect repellent composition that not only repels blood-sucking insects but also provides sustained deodorization of unpleasant odors that adhere to clothing. [Solution] A blood-sucking insect repellent composition containing an insect repellent component and a fragrance component, wherein the insect repellent component is at least one selected from the group consisting of ethyl 3-(N-butylacetamide)propionate, picaridin, p-menthane-3,8-diol, and N,N-diethyltoluamide, and the fragrance component is a compound that does not have electron-conjugated parts other than electron-conjugated parts derived from a benzene ring, a benzoic acid ester structure, or a salicylic acid ester structure, has 6 to 18 carbon atoms, a molecular weight of 98 to 270, has carbon atoms, hydrogen atoms, and oxygen atoms, and does not have sulfur atoms, nitrogen atoms, or halogen atoms.

The invention provides a sunscreen lotion containing a photoresponse material and a preparation method thereof, and the sunscreen lotion comprises the following components in parts by weight: 20-30 parts of a photoresponse material, 3-5 parts of an anti-inflammatory component, 2-6 parts of an antioxidant component, 4-7 parts of a moisturizing component, 3-6 parts of a plant extract, 0.3-0.8 part of essence and 10-20 parts of water. The photoresponse material is prepared from benzophenone, salicylate and metal oxide according to the mass ratio of 1: (1 to 2): (0.4 to 0.8); the plant extracting solution comprises aloe and a green tea extracting solution in a mass ratio of 1: (2-3). The obtained sunscreen lotion has good sunscreen performance, stability and the like, and is friendly to skin and free of irritation.

The invention relates to low-dielectric insulating paint and application thereof. The low-dielectric insulating paint comprises matrix resin, a solvent and a pore-forming agent, wherein the pore-forming agent is at least one of a salicylate derivative and a lactate derivative. According to the invention, at least one of a salicylate derivative pore-forming agent and a lactate derivative pore-forming agent is introduced into the insulating paint, and the porous low-dielectric polyimide insulating layer with smaller pore diameter and narrower distribution is prepared through coating and curing processes. No extra (such as high temperature, ultraviolet, high pressure, specific atmosphere and the like) conditions exist for the painting process, and the prepared enameled wire is good in appearance and free of the problems of bubbling or debonding and the like.

The application provides a composite catalyst and a preparation method thereof, and a preparation method of a salicylate compound. The preparation method of the composite catalyst comprises the following steps: mixing a carbon carrier with a hydrotalcite for mixing treatment to prepare a mixture; and performing calcination treatment on the mixture to prepare the composite catalyst. When the composite catalyst prepared by the preparation method is used in an ester exchange reaction, the catalyst has high catalytic activity and is not prone to reaction with water, and can be repeatedly used.

The invention relates to a modified titanate catalyst, a single-component RTV (Room Temperature Vulcanization) dealcoholization condensation type silicone sealant and a preparation method of the single-component RTV dealcoholization condensation type silicone sealant. The salicylate is used for modifying titanium isopropoxide to obtain modified titanate, the modified titanate has high catalytic activity and excellent storage stability, and the single-component RTV dealcoholization condensation type silicone sealant prepared by taking the modified titanate as a catalyst has the advantages that the single-component RTV dealcoholization condensation type silicone sealant can be used for preparing the single-component RTV dealcoholization condensation type silicone sealant, and the service life of the single-component RTV dealcoholization condensation type silicone sealant is prolonged. The contradictory relationship between the curing rate and the storage performance of the sealant can be obviously improved. The single-component RTV dealcoholized condensed silicone sealant disclosed by the invention can simultaneously have relatively high curing rate and excellent storage stability, and still has very high reaction activity after being stored for a long time; and the adhesive has the advantages of good adhesive property, wide application range of base materials and good adhesive property with various base materials.

The present application discloses hyaluronic acid derivatives, specifically hyaluronic acid esters synthesized from hyaluronic acid or its salt and salicylic acid esters. The hyaluronic acid esters disclosed in the present application are characterized by good water solubility, low irritation, and mild properties, optimizing the stratum corneum. Furthermore, the water-soluble esters inhibit the penetration of salicylic acid into the stratum corneum and extend the duration of salicylic acid's action in the stratum corneum. The unique chemical structure of the salicylic acid hyaluronic acid esters of the present application immobilizes acidic functional groups, reducing the irritation of salicylic acid. The increased hyaluronic acid polysaccharide content effectively delays the penetration of salicylic acid into the deeper layers of the skin, prolonging its action time in the epidermis, targeting the stratum corneum and contributing to the long-term regulation of keratinocytes. The improved solubility of salicylic acid itself in the aqueous phase facilitates its use in formulations.

The present invention provides a process for the preparation of salicylate compounds. Especially, the preparation of salicylate compounds comprises a carboxylation reaction of reacting the phenols to obtain the corresponding salicylate compounds under the carbon monoxide, and in presence of base in a suitable solvent. According to the present invention, the carboxylation reaction can be carried out under 2 MPa and 180 ℃. The process according to the present invention allows for the preparation of salicylate compounds such as 4, 4'-dihydroxy- [1, 1'-biphenyl] -3, 3'-dicarboxylic acid in a greener, safer and highly efficient manner, which is suitable for large-scale production.

A method for synthesizing an aluminium-fluoride complex obtainable by reacting together: a salt made of aluminium(III) and counterions of aluminium(III) other than chloride(I), and a fluoride anion; or a chelate bearing molecule precomplexed with aluminium(III), obtained from treating the chelate bearing molecule with a salt made of aluminium(III) and counterions of aluminium(III) other than chloride(I), and a fluoride anion; the fluoride being [19F]fluoride or radioactive [18F]fluoride; wherein the counterions of aluminium(III) other than chloride are selected from bromide, iodide, nitrate, phosphate, sulfate, sulphonate, hydroxide, any anionic salt of natural and non-natural amino acids, 2,4-pentanedionate, 8-hydroxyquinoline, acetate, acrylate, ascorbate, aspartate, benzenesulfonate, benzoate, besylate, bitartrate, camphorsulfonate, citrate, decanoate, esylate, fumarate, gentisate, gluconate, glutamate, glutarate, glycinate dihydroxide, glycolate, hexanoate, hydroxynaphthoate, isethionate, lactate, lactobionate, malate, maleate, malonate, mandelate, mesylate, methylsulfate, methylsulfonate, mucate, napsylate, octanoate, oleate, oxalate, pamoate, pantothenate, phthalate, polygalacturonate, propionate, salicylate, stearate, succinate, tartrate, teoclate, toluenesulfonate, trifluoroacetate, trifluoromethanesulfonate, and any combination thereof.

The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.

The invention relates to preparation and application of algin salicylate. The algin salicylate is prepared by reacting algin and salicylic acid under the catalysis of EDC and DMAP. The alginate salicylate disclosed by the invention firstly has an excellent antibacterial effect, and can inhibit the growth of propionibacterium acnes and staphylococcus aureus causing skin acnes; the traditional Chinese medicine composition has the advantages that the traditional Chinese medicine composition has good moisturizing and grease secretion inhibiting performance, can regulate water-oil balance of skin, can avoid water loss of the skin, can regulate excessive grease secretion, is low in cytotoxicity, irritation and inflammability, and can avoid irritation sensitivity caused by damage of a skin barrier. Algin salicylate is free of immunogenicity, good in air permeability, capable of keeping the moist environment of the skin for a long time, safe, non-toxic and convenient to apply. The acne-removing composition can be added into medical instruments or cosmetics with an acne-removing function, and has a good acne-removing effect.

A method for producing a salicylic acid ester represented by general formula (2) below, in which salicylic acid and an alcohol represented by general formula (1) below are brought into contact with a solid acid catalyst at a reaction temperature of 50° C. to 200° C.X—R—OH  (1)(In the formula (1), R represents a linear or branched alkyl group having 1 to 6 carbon atoms. X represents a hydrogen atom or a hydroxyl group.)(In the formula (2), R and X are each as defined in the formula (1).)

The invention discloses a preparation method and application of a composite material, according to the preparation method, non-woven flame-retardant polyester is subjected to PE lamination, then electron radiation is carried out in a salicylate ultraviolet absorbent, the ultraviolet absorbent can be grafted with a polyester layer and a PE layer in the radiation process to improve the binding force, and on the premise that the ductility is guaranteed, the tensile strength of the composite material is improved. Meanwhile, the tearing strength and the aging resistance of the composite material are improved; in addition, the material is endowed with water repellency, oil repellency and the like based on the characteristics of the lamination layer, can be widely applied to paint surface protection, such as automobile paint surface protection as an automobile cover, and has a wide application prospect.

This disclosure provides a method for alleviating the damaging effects of D. maidis in corn crops, which involves the use of plant defense elicitors such as jasmonates and salicylates.

The invention belongs to the technical field of gaultheria yunnanensis extraction, and provides a method for separating and purifying effective components of gaultheria yunnanensis. The method for separating and purifying the effective components of the gaultheria yunnanensis comprises the following steps: mixing gaultheria yunnanensis powder and a solvent, and carrying out ultrasonic extraction to obtain an extracting solution; extracting the extracting solution by adopting a mixed solvent to obtain an extraction phase and a raffinate phase; and removing the solvent from the raffinate phase to obtain the lignan effective component. And removing the solvent from the extract phase to obtain the salicylate effective component. According to the method disclosed by the invention, the gaultheria yunnanensis powder is extracted by using the mixed solvent of the ethyl acetate and the methanol, so that lignan active ingredients and salicylate active ingredients in the gaultheria yunnanensis can be extracted at the same time, and efficient co-extraction of multiple ingredients is realized; a mixed solvent of n-butyl alcohol and dichloromethane is adopted to extract an extracting solution, and lignan effective components and salicylate effective components can be efficiently separated at the same time only through one-time extraction.

The purpose of the present disclosure is to provide a sanitary article capable of repelling not only mosquitoes but also mites by mosquito and mite repelling components. This sanitary article has the following feature.　This sanitary article (1) comprises a mosquito and mite repellent (13) containing mosquito and mite repelling components that include at least one among acetate and salicylate.

The application relates to the technical field of anticorrosive coatings, and discloses an environment-friendly fluorine-free aluminum alloy surface anticorrosive coating and a preparation method thereof, which comprises the following steps: based on ion exchange, single-quaternary ammonium salt seven (salicylate group) cage polysilsesquioxane is used to perform intercalation modification treatment on sodium-based montmorillonite to obtain a stable interlayer spacing type montmorillonite loaded with salicylate groups and polysilsesquioxane groups; based on the pi-pi stacking effect between phenyl groups, the stable interlayer spacing type montmorillonite is compounded with a bisphenol A glycidyl ether type epoxy resin, and is subjected to emulsification treatment through phase inversion to obtain a corrosion-resistant and weather-resistant water-based epoxy resin emulsion; and the environment-friendly fluorine-free aluminum alloy surface anticorrosive coating is prepared by taking the corrosion-resistant and weather-resistant water-based epoxy resin emulsion as a film-forming raw material. The coating product not only has excellent corrosion resistance, but also has high weather resistance, and can resist corrosion media and environmental aging at the same time when used on the surface of an aluminum alloy.

This invention relates to the fields of cosmetics and pharmaceutical chemistry, and discloses a glycyrrhizin salicylate ester and its applications. The structural formula of the glycyrrhizin salicylate ester is shown in Formula I. The glycyrrhizin salicylate ester of this application uses glycyrrhizin and salicylic acid as starting materials, and combines the two active molecules into one through dehydration ester condensation, fundamentally solving the problem of easy oxidation and inactivation of glycyrrhizin, and significantly improving chemical stability. At the same time, this structure cleverly masks the strongly acidic carboxyl group of salicylic acid, resulting in a significant reduction in skin irritation of the final product, making it far milder than physical mixtures, with better tolerance and suitability for a wider range of skin types. The glycyrrhizin salicylate ester of this application combines the excellent whitening and antioxidant effects of glycyrrhizin with the excellent keratin-regulating and anti-inflammatory capabilities of salicylic acid, and has broad application prospects in the preparation of topical products for skin whitening, spot fading, anti-inflammation, anti-acne, and anti-photoaging.

The invention relates to the technical field of pharmaceutical and chemical synthesis, in particular to a synthesis method of a 3-trifluoromethyl-1, 4-benzoxaza # imgabs0 # compound, which comprises the following steps: adding a compound 1, a compound 2 and an additive into a reactor, stirring for 4 hours under the air condition of 100 DEG C, cooling to 0 DEG C after the reaction is finished, adding alkali, and reacting overnight. The preparation method comprises the following steps of: extracting, distilling under reduced pressure to obtain a crude product, and purifying by column chromatography and thin-layer chromatography to obtain the 3-trifluoromethyl-1, 4-benzoxaza # imgabs 1 # compound. According to the invention, a trifluoromethyl imine ylide compound and a salicylate compound are taken as raw materials, and the 3-trifluoromethyl-1, 4-benzoxaza # imgabs2 # compound is synthesized by a one-pot method. The method has the advantages of simple synthesis steps, easily available raw materials, no need of intermediate separation, no need of precious metal catalysis, good functional group compatibility and the like; reaction conversion is high, cost is low, and industrial production is facilitated.

The invention discloses a composition for improving sunscreen performance, a product and a preparation method thereof, and the composition comprises the following components in parts by mass: 5-32 parts of difatty acyl pentaerythritol difatty alcohol citrate, 5-32 parts of tribehenin and 61.5-90.9 parts of salicylate derivative. According to the invention, the salicylate sunscreen agent with low greasy feeling is compounded with the di-fatty acyl pentaerythritol di-fatty alcohol citrate and the tribehenin, so that the salicylate sunscreen cosmetics with low sunscreen efficiency originally have excellent sunscreen efficiency while maintaining excellent skin feeling.

The invention relates to the technical field of cosmetics, in particular to an oil-controlling and acne-removing composition and application thereof. The oil control and acne removal composition disclosed by the invention is prepared from the following components in parts by weight: 0.11 to 0.18 part of hectorite, 0.35 to 0.40 part of silica, 1.2 to 2.0 parts of silanediol salicylate and 0.2 to 0.4 part of rhamnolipid. The oil-controlling and acne-removing composition is used for preparing silica-containing suspension type toning lotion, not only effectively solves the problems of sinking to the bottom, caking, uneven dispersion and the like caused by independently adding silica into the toning lotion, but also remarkably improves the rheological property and the stability of the product. The oil-controlling and acne-removing composition provided by the invention acts from three dimensions of oil controlling, bacteriostasis and repairing, has multifunctionality and stability, and can provide safer and more efficient skin care experience.

The present invention relates to a cosmetic or pharmaceutical composition comprising at least one cosmetically or pharmaceutically acceptable excipient and a photoprotective system consisting of: (a) 5,6,5′,6′-tetraphenyl-3,3′-(1,4-phenylene)-bis[1,2,4]triazine, (b) 2,4-bis[4-(2-ethylhexyloxy)-2-hydroxyphenyl]-6-(4-methoxyphenyl)-1,3,5-triazine, (c) hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate, and (d) a solar filter selected from the group comprised of ethylhexyl triazone, diethylhexyl butamido triazone and 2-ethylhexyl salicylate, wherein the photoprotective system represents between 4% and 20% by weight of the composition relative to the total weight of the composition.

The application provides a method for synthesizing salicylate by cyclization and dehydrogenation, specifically, C3 aldehyde and acetoacetic ester are subjected to gas phase cyclization reaction under the catalysis of a solid base to obtain 2-oxo-3-cyclohexene acid ester intermediate, and the intermediate is then subjected to dehydrogenation aromatization under the action of a dehydrogenation catalyst and an assistant to obtain salicylate product. The application uses cheap and readily available C3 aldehyde and acetoacetic ester as starting materials, quickly synthesizes salicylate through two steps, has a short synthesis route, high yield, less waste and good cost advantage; in the gas phase condensation cyclization reaction, lithium phosphate and potassium salt solid mixture are used as the catalyst to efficiently catalyze the condensation reaction of C3 aldehyde and acetoacetic ester, and 2-oxo-3-cyclohexene acid ester intermediate is obtained; in the dehydrogenation reaction, the dehydrogenation catalyst and nitrite assistant are used in combination, the nitrite promotes the isomerization between the ketonic form and the enolic form of 2-oxo-3-cyclohexene acid ester, reduces the temperature required for the dehydrogenation reaction, and promotes the dehydrogenation reaction.

The present invention relates to a salicylate plasticizer in the field of bio-based materials, a preparation method and use thereof. The salicylate plasticizer is synthesized by introducing a flexible alkyl chain and multiple ester groups into a bio-based compound salicylic acid through an esterification reaction and an acylation reaction. The salicylate plasticizer has good compatibility with polylactic acid and can be used as a polylactic acid plasticizer to produce a good plasticizing effect. The obtained polylactic acid product has good toughness, thermal stability and migration resistance, so that the salicylate plasticizer can be used as a plasticizer in the production of PLA plastic products.

The invention discloses a preparation process and application of massage ointment for relieving prostatitis pain, and belongs to the technical field of massage ointment preparation, the preparation process comprises the following steps: step 1, preparing required raw materials including glyceryl polyether-26, PEG / PPG-14 / 7 dimethyl ether, silane glycol salicylate and the like; 2, carrying out necessary treatment on the raw materials, such as heating, dissolving and the like; 3, mixing and stirring the treated raw materials to ensure uniformity; and 4, adding the plant extract and other active components, and continuing to stir uniformly. According to the preparation method, the raw materials are ensured to be fully dissolved and prevented from splashing or component damage through three stages of low-speed (200-300 rpm) wetting, medium-speed (500-800 rpm) fusion and low-speed (300-400 rpm) stable magnetic stirring, meanwhile, the characteristics of the paste are matched through three stages of paddle type stirring and three stages of dispersion (30-60 rpm), homogenization (80-150 rpm) and defoaming (20-40 rpm), bubbles and particle residues are remarkably reduced, and the texture fineness is improved.

The invention relates to the technical field of optical cement, in particular to full-lamination multiband absorption optical cement and a preparation method thereof. The optical adhesive adopts the polypropylene carbonate modified cyanoacrylate which has better flexibility and impact resistance, the caffeic acid modified lignin ester derivative is added, the transparency of the adhesive is kept, meanwhile, the adhesive is endowed with double functions of oxidation resistance and ultraviolet absorption, and the optical adhesive is prepared through a coprecipitation method. Triazine and salicylate ultraviolet absorbers are inserted into a layered Zn3Al2 (OH) 8 two-dimensional bimetallic nanosheet to prepare a novel ultraviolet shielding material, so that the light aging resistance of an adhesive layer is improved, and the adhesive layer is endowed with multiband light absorption capacity. The optical adhesive can adapt to electronic products with different sizes, and has the advantages of full lamination, high light transmittance and good light aging resistance.

The present disclosure provides an analytical method for the stability of water-based cosmetics and its application, belonging to the field of cosmetic technology. The analytical method for the stability of water-based cosmetics disclosed herein includes: taking a cosmetic sample and placing it in a detection bottle, and after irradiation with a xenon lamp, judging the stability of the cosmetic sample according to the changes in the turbidity and chromaticity of the cosmetic sample; the components of the cosmetics contain at least one of tranexamic acid, hydroxyphenylpropionamide benzoic acid, oat β-glucan, saccharide isomers, Damask rose flower water, silanediol salicylate, and hydroxyethylpiperazine ethane sulfonic acid. The present disclosure can quickly detect the stability of cosmetics by calculating the changes in the turbidity and chromaticity of cosmetics, reducing the test time of stability, and improving the detection accuracy and detection amount of cosmetic stability; it is conducive to the application in cosmetic quality control.

The present application is related to a pharmaceutical composition a biphasic lipid vesicle comprising a lipid bilayer comprising vesicle forming lipids; an oil-in-water emulsion stabilized by one or more surfactants; one or more compounds; and one or more penetration enhancing agents. The one or more penetration enhancing agents include one or more non-ionic surfactants having a hydrophilic-lipophilic balance (HLB) of about 10 or less, alone or combination with one or more penetration enhancing agents selected from one or more of terpenes, alkaloids, salicylate derivatives, and polycationic surfactants and combinations thereof. The present application is also related to a pharmaceutical composition comprising a biphasic lipid vesicle comprising a lipid bilayer comprising vesicle forming lipids; an oil-in-water emulsion stabilized by one or more polycationic surfactants; and one or more compounds.