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154 results about "Triol" patented technology

A triol is a chemical compound containing three hydroxyl groups (−OH functional groups), such as glycerol.

Polyurethane modified epoxy resin adhesive, preparation method and application

The invention discloses a polyurethane modified epoxy resin adhesive as well as a preparation method and application thereof, and the polyurethane modified epoxy resin adhesive is prepared from the following components in parts by mass: 7-10 parts of E51 type bisphenol A diglycidyl ether, 3.5 parts of a phenolic aldehyde amine T31 curing agent and 1-3 parts of synthetic polyurethane, the synthetic polyurethane is prepared from polyether triol, polyether amine, isophorone diisocyanate and glycerol carbonate, and a blending system of the synthetic polyurethane and bisphenol A diglycidyl ether is adopted to be subjected to covalent crosslinking with phenolic aldehyde amine T31, so that the adhesive has high toughness and strength guarantee; the synthetic polyurethane prepared by the method is obtained through simple, green and efficient solvent-free synthesis, and the synthesized product has certain fluidity at room temperature, so that the subsequent stirring preparation process of an adhesive is facilitated. And a solvent-free synthesis method is adopted, so that the use of a toxic organic solvent in the traditional polyurethane synthesis process is avoided, and the synthesis process is greener.
Owner:BEIJING FORESTRY UNIVERSITY

Slow-resilience polyurethane sponge for automobile and preparation method of slow-resilience polyurethane sponge

PendingCN120865600AEpoxyFiber
The invention discloses slow-rebound polyurethane sponge for an automobile and a preparation method of the slow-rebound polyurethane sponge, and belongs to the field of preparation of polyurethane sponge for the automobile. Raw materials comprise hollow glass beads, short carbon fibers, hydrophobic nano silicon dioxide, a silane coupling agent, polyether triol, modified MDI, deionized water, a catalyst, silicone oil, an antioxidant, epoxy silane, grafted polyether, clay, absolute ethyl alcohol, a dispersing aid and a stabilizer, and the raw materials are treated. According to the slow-rebound polyurethane sponge for the automobile and the preparation method of the slow-rebound polyurethane sponge, composite reinforced particles containing hollow glass beads, short carbon fibers and hydrophobic nano silicon dioxide are prepared and added into the sponge to form three supporting force areas, differential supporting is achieved, collapse is prevented, and materials are saved; and meanwhile, the transition area is arranged, so that smooth connection can be achieved, and stability, comfort and durability are improved.
Owner:JIANGSU XINYUAN NEW MATERIAL TECH CO LTD

Skin-tightening anti-wrinkle essence and preparation process thereof

PendingCN121102109ACosmetic preparationsToilet preparationsUmbilical cord tissueGlycerol
The invention discloses a skin-tightening anti-wrinkle essence and a preparation process thereof, and relates to the technical field of cosmetic preparation, and the preparation process comprises the following steps: obtaining animal umbilical cord tissue, culturing, collecting cell culture supernatant after culture, carrying out low-speed centrifugation to remove cells and dead cells, and carrying out concentration, filtration and sterilization through a tangential flow membrane technology to obtain the skin-tightening anti-wrinkle essence. The animal umbilical cord extract is obtained; the preparation method comprises the following steps: mixing the animal umbilical cord extract with water, butanediol, glycerol, hydroxypropyl tetrahydropyrantriol, 1, 2-hexanediol, trehalose, p-hydroxyacetophenone, allantoin, hydrolyzed sodium hyaluronate, sodium hyaluronate, tetrahydromethylpyrimidine carboxylic acid, xanthan gum and essence, homogenizing under a stirring condition, and standing for defoaming. By constructing an active stable microenvironment and an efficient transdermal delivery system, the technical problem that the animal umbilical cord extract serving as a core component is easy to inactivate and difficult to absorb is solved, and a faster and more stable skin structure remodeling effect is realized by utilizing the synergistic effect of the animal umbilical cord extract and functional components.
Owner:LEJIE BIOTECHNOLOGY CO LTD

Hair compositions and styling processes

Hair Styling Compositions and Processes: The disclosure relates to compositions comprising (a) at least one sucrose ester; (b) at least one nonionic polysaccharide thickening agent; (c) at least one cationic surfactant; (d) at least one emulsifier selected from fatty alcohols, esters, or a combination thereof; (e) optionally, at least one C3-C8 polyol selected from diols and triols; and (f) optionally, at least one fatty compound. The compositions may be used as leave-in hair styling compositions. The disclosure also relates to kits comprising the compositions and processes for using the compositions. Figure for the abstract: Figure 1
Owner:LOREAL SA

Double-layer essence with anti-aging effect and preparation method thereof

PendingCN121287533ACosmetic preparationsToilet preparationsGlycerolAscorbyl Tetraisopalmitate
The invention relates to the technical field of skin care essence, in particular to double-layer essence with an anti-aging effect and a preparation method thereof.The double-layer essence with the anti-aging effect is composed of a water phase layer and an oil phase layer; the water-phase layer is prepared from the following raw materials in percentage by mass: 3-8% of hydroxypropyl tetrahydropyrantriol, 0.1-0.5% of tetrahydromethylpyrimidine carboxylic acid, 0.01-0.1% of a pepper kava extract, 1-5% of lactobacillus / soybean milk fermentation product filtrate, 1-5% of vitamin C ethyl ether, 1-5% of acetylchitosamine, 3-8% of 1, 3-butanediol and the balance of water. The invention relates to an anti-aging mask which comprises the following components in percentage by weight: 1-10% of 1, 3-butanediol, 0.01-0.1% of sodium hyaluronate, 0.1-0.5% of a buffer system, 5-10% of glycerol and the balance of deionized The oil phase layer is prepared from the following raw materials: 0.5-2% of ascorbyl tetraisopalmitate, 11-44% of compound plant-derived grease and 0.05-0.3% of tocopheryl acetate, and the problems that existing essence oil is lack of a multi-dimensional synergistic anti-aging effect, and the stability and transdermal absorption efficiency of water-soluble active ingredients and oil-soluble ingredients are difficult to consider are solved.
Owner:FOSHAN ZHONGHUI BIOTECHNOLOGY CO LTD

Triterpene compound and application thereof in myocardial protection medicine

The invention belongs to the field of traditional Chinese medicine chemistry and natural product separation, and particularly relates to extraction and separation of a novel triterpenoid compound 25-Etherxy-dammar-20 (22) Z-ene-3beta, 6alpha, 12beta-triol and application of the novel triterpenoid compound 25-Etherxy-dammar-20 (22) Z-ene-3beta, 6alpha, 12beta-triol in myocardial protection drugs. The compound is named as 25-Etherxy-dammar-20 (22) Z-ene-3beta, 6alpha, 12beta-triol, and the structural formula of the compound is shown in the description. The invention provides an extraction and separation method of the compound. The extraction and separation method mainly comprises the following steps: sequentially carrying out solvent extraction, macroporous adsorption resin enrichment, silica gel column chromatography, ODS medium-pressure column chromatography, high performance liquid chromatography separation and purification and the like on ginseng and other traditional Chinese medicine processed products and hydrolysates. The structure of the compound is determined through comprehensive analysis of a high-resolution mass spectrum (HRMS), one-dimensional nuclear magnetic resonance (1H NMR, 13C NMR) and a two-dimensional nuclear magnetic resonance spectrum (such as HSQC, HMBC, ROESY and the like), and the compound is a newly discovered dammarane type triterpene compound. Experiments show that the compound and the composition thereof have a remarkable protection effect on myocardial cell hypoxia / reoxygenation reperfusion injury, and can be used for preparing drugs for preventing or treating myocardial ischemia reperfusion injury and other related diseases.
Owner:LIAONING UNIV OF TRADITIONAL CHINESE MEDICINE

Fluids for electric vehicles

An electric driveline fluid is described. The fluid comprises an oil of a major lubricating viscosity, an electric driveline additive including glycerol, glycol, glycol ether, pentaerythritol, vicinal diol, triol, or derivatives thereof, and at least one overbasic sulfonate detergent. The amount of the electric driveline additive is approximately 0.001% to approximately 1.5% by weight, based on the total weight of the electric driveline fluid.
Owner:CHEVRON ORONITE CO LLC

A composition with long-lasting anti-wrinkle, skin elasticity and firming efficacy and its preparation method and application

ActiveCN118267341BSkin stretchingBUTTON MUSHROOM EXTRACT
The application discloses a composition with long-acting anti-wrinkle, skin elasticity improvement and skin tightening effects, a preparation method and application thereof, and belongs to the technical field of cosmetics. The composition comprises the following efficacy components: Schizosaccharomyces pombe ferment lysate, hydroxypropyl tetrahydropyrane triol, lactose, whey protein, lactic acid, Lactarius volemus extract and palm leaf tree extract. The eye cream prepared by using the composition has very significant long-acting anti-wrinkle, skin elasticity improvement and skin tightening effects. After 28 days of use, the R2 value of skin elasticity at the corner of the eye is increased by more than 20%, the R0 value of total skin stretching displacement is decreased by more than 40%, the proportion of wrinkle area is decreased by more than 15%, and the wrinkle depth is decreased by more than 27%. The effect after 28 days of use is also significantly better than that after 14 days of use.
Owner:RENHE GLOBAL (SHANGHAI) GRAND HEALTH RESEARCH INSTITUTE CO LTD

Boiler ash removal and decoking agent

PendingCN121160378AFuel additivesHYDROXYQUINOLINE SULFATEPyrrolidinones
The invention discloses a boiler deashing and decoking agent, and belongs to the field of boiler deashing and decoking. Comprising the following substances in parts by weight: 15-20 parts of sodium carbonate, 5-10 parts of sodium sulfate, 20-25 parts of potassium hydroxide, 12-16 parts of 8-hydroxyquinoline sulfate, 10-15 parts of modified nano silicon dioxide, 1-2 parts of polyvinylpyrrolidone, 3-5 parts of potassium chlorate, 2-6 parts of sodium lignin sulfonate, 3-5 parts of polyoxypropylene triol, 2-4 parts of an ethyl acrylate-acrylonitrile copolymer and 20-30 parts of modified calcium carbonate. The modified nano silicon dioxide can be uniformly dispersed in the medicament by virtue of nano-scale particle size and surface modification treatment, so that the contact area with deposited ash and coke blocks is increased, and the removal efficiency is improved; the polyvinylpyrrolidone is helpful for keeping the components in a good dispersion state in the use process, and agglomeration is avoided; and through the synergistic effect of all the raw materials, a good ash removal and decoking effect can be achieved, so that normal use of the boiler is ensured.
Owner:HEBEI WUJI ENERGY SAVING TECH CO LTD

A firming and wrinkle-reducing eye cream

This invention discloses a firming and wrinkle-reducing eye cream, comprising a moisturizer, a whitening agent, a skin repair additive composition, a thickener, a preservative, a film-forming agent, a skin moisturizer, and a surfactant. The weight ratio of the moisturizer, whitening agent, anti-aging additive composition, thickener, preservative, film-forming agent, skin moisturizer, and surfactant is 20:1:2:3:0.3:0.5:1:0.2. The moisturizer includes butylene glycol, glycerin, polydimethylsiloxane, and hydrogenated polyisobutylene. The skin-repairing additive composition includes hydroxypropyl tetrahydropyranotriol, adenosine, cell growth factors, ceramides, and salicylic acid, comprising olefins, betaine, trehalose, 1,2-hexanediol, hydrogenated lecithin, allantoin, and Euglena galactosides. The film-forming agents include polyacrylamide, cyclohexylsiloxane, and polydimethylsiloxane alcohol. The emollients include C13-14 isoparaffins, polydimethylsiloxane / vinyl dimethylsiloxane crosspolymers, and cyclopentamethoxysiloxane. This invention can repair cells and provide long-lasting anti-wrinkle and whitening protection for the corners of the eyes.
Owner:GUANGZHOU YUMING BIOLOGICAL TECH CO LTD

One-component moisture-curable adhesive composition

A one-component moisture-curing adhesive composition comprising from 80 to 100 wt% of an isocyanate-functional prepolymer obtainable by reacting: (a) a polyisocyanate component comprising methyl diphenyl diisocyanate; and (b) a polyol mixture comprising: (b1) a linear butylene oxide-based diol with two primary hydroxyl groups; and (b2) a polyether triol with three secondary hydroxyl groups; (c) a chain extender, which chain extender is different from (b1) or (b2), has a functionality of from 2 to 5, a molecular weight of from 50-400 g / mol and at least two groups which are reactive with an isocyanate group; wherein the equivalent ratio between isocyanate groups in (a) and hydroxyl groups in (b) is in the range of from 3.5 to 7.0; and wherein the content of free isocyanate groups in the adhesive composition is in the range of from 13 to 18 wt%; a method of making the prepolymer, a bonded material and a method of bonding material using an adhesive.
Owner:AKZO NOBEL COATINGS INT BV

High-performance flame retardant suitable for composite material and preparation method of high-performance flame retardant

PendingCN121554828APolymer scienceDimethyl methylphosphonate
The invention relates to the technical field of flame retardants, in particular to a high-performance flame retardant suitable for a composite material and a preparation method thereof, and the high-performance flame retardant comprises the following raw materials in parts by weight: 45-55 parts of isocyanate, 45-55 parts of polypropylene triol, 5-10 parts of dimethyl methylphosphonate and 2-10 parts of an additive. According to the invention, a base material of the additive is generated from hydrogenated tallow amine polyoxyethylene ether, KH560, KH792 and other components, the interface bonding force between flame retardant molecules and a matrix is enhanced, KH570 modified composite hydroxide, nano-silica and the like form a filler, and through wrapping and bridging of the base material in the additive, nano-scale uniform dispersion in the matrix is realized, and the base material and the nano-silica cooperate with each other, so that the flame retardant performance is improved. A firm anchoring and dispersing structure is constructed between the flame retardant and a composite material matrix, and migration and precipitation of the flame retardant due to weak interface bonding force are effectively inhibited, so that the durability of the flame retardant property is ensured.
Owner:山东众甫新材料有限公司

Anti-aging composition and skin care product

The invention provides an anti-aging composition and a skin care product. The anti-aging composition is prepared from components in percentage by mass as follows: 5%-40% of hydroxypropyl tetrahydropyrantriol, 5%-40% of a skin feeling / rheology regulator and 2%-12% of a ternary compound, the ternary complex is prepared from the following raw materials: organic acid, amino acid and saccharides. The anti-aging composition provided by the embodiment of the invention can be used for improving the skin penetration of the hydroxypropyl tetrahydropyrantriol.
Owner:BEIJING FANGSHENG YIDA TECHNOLOGY DEVELOPMENT CO LTD +1

Multi-site COF-COF adsorbent as well as preparation method and application thereof

The invention relates to a multi-site COF-COF adsorbent as well as a preparation method and application thereof, and belongs to the technical field of composite adsorption materials. According to the invention, pyrogallol and diaminomaleonitrile are used to construct a primary COF skeleton, the primary COF skeleton is expanded by 2, 5-dithiourea to prepare the multi-site COF-COF adsorbent DPDA, and the structural formula of the multi-site COF-COF adsorbent DPDA is shown in the specification; the multi-site COF-COF adsorbent disclosed by the invention can be used for efficiently and selectively adsorbing gallium ions from a solution, and the multi-site COF-COF adsorbent has relatively high cyclic regeneration capacity.
Owner:KUNMING UNIV OF SCI & TECH

Preparation method and application of BMP-2 / Apt19S two-factor immobilized mesoporous bioglass material

The invention provides a preparation method and application of a BMP-2 / Apt19S two-factor immobilized mesoporous bioglass material, and belongs to the technical field of biomaterials. The mesoporous bioglass material with an ordered mesoporous structure, high specific surface area and good biological activity is stably prepared by combining a sol-gel method with a surfactant template technology; by introducing carboxyethyl silanetriol sodium, carboxyl functionalization on the surface of the material is realized, and further through amide reaction, a deoxynucleotide fragment Apt19S is grafted, so that the material has good stem cell collection capability and bone-induced growth factor BMP-2 loading capability; the method is simple in process, and the biological activity of the growth factor can be well maintained. The prepared BMP-2 / Apt19S two-factor immobilized mesoporous bioglass material is expected to realize targeted enrichment and slow release of drugs in the field of bone defect repair, improves bone regeneration efficiency, and has important clinical application prospects.
Owner:WENZHOU INST UNIV OF CHINESE ACAD OF SCI

Highly efficient and long-lasting bio-based polyol polyether ester defoamer and preparation method

PendingCN122325739APolymer sciencePtru catalyst
This application relates to the technical field of defoamers, and in particular to a highly efficient and durable bio-based polyol polyether ester defoamer and its preparation method. This application uses 1,2,6-hexanetriol as a starting agent, and reacts it with propylene oxide and ethylene oxide under the action of a catalyst to obtain a bio-based polyol polyether. The bio-based polyol polyether is then mixed with vegetable oleic acid, p-toluenesulfonic acid, and an antioxidant to obtain a bio-based polyol polyether ester. The bio-based polyol polyether ester is then mixed with an emulsifier and a dispersant to obtain a bio-based polyol polyether ester defoamer. In this application, a trifunctional bio-based starting agent is used to form a three-armed star-shaped structure to stabilize and reduce interfacial film tension, and the EO structure enables rapid dispersion and emulsification to obtain the bio-based polyol polyether. The addition of an antioxidant, while inhibiting metal-catalyzed oxidation reactions through complexation, forms a slightly cross-linked network with the bio-based polyol polyether, ultimately yielding a bio-based polyol polyether ester defoamer with stability and defoaming properties.
Owner:FUJIAN SYSTAK ENVIRONMENTAL PROTECTION MATERIAL TECHNOLOGY CO LTD

Deplating solution for electroplating unqualified cadmium layer, preparation method and use method

PendingCN121826717ASodium acetateBoronic acid
The invention discloses an electroplating disqualified cadmium layer stripping solution, a preparation method and a use method, and the electroplating disqualified cadmium layer stripping solution comprises 6-8 parts of sodium phytate, 1-3 parts of sodium nitrilotriacetate, 2-4 parts of borate, 5-10 parts of sodium bromate, 1-2 parts of sodium alkyl naphthalene sulfonate, 1-2 parts of glucoside, 5-8 parts of sodium nitrate, 3-5 parts of ammonia water, 2-4 parts of triol ethylamine, 4-6 parts of 1-hydroxyethylidene-1, 1-diphosphonic acid and 8-12 parts of ammonium persulfate. The total amount of the purified water is 100 parts, and the total amount of the purified water is 100 parts. The pH value of the deplating agent solution is alkaline, the problem of hydrogen evolution of a hydrogen sensitive material is solved, the risk of hydrogen embrittlement is avoided, and hydrogen removal is not needed after steel and iron materials are deplated; cadmium ion heavy metal pollution and sewage treatment difficulty exist, the stripped cadmium ions automatically generate precipitates, recycling is facilitated, and the sewage treatment difficulty is reduced; the metal deplating liquid is convenient to use and simple to operate, only unqualified products need to be put into the deplating liquid in a room-temperature environment, after a certain time, after a plating layer is completely removed, the unqualified products are washed with water, and a metal base material is not damaged.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Sandal insole, preparation method thereof and sandal

The invention discloses a sandal insole, a preparation method thereof and a sandal, and relates to the field of shoe materials. The sandal insole comprises a PU insole base material, and the PU insole base material is formed by reacting a material A and a material B; the material A comprises bifunctional polytetrahydrofuran ether, micromolecular straight-chain diol, branched-chain diol, a chemical foaming agent, a catalyst and polyether silicone oil; the branched chain diol is selected from at least one of 2-butyl-2-ethyl-1, 3-propylene glycol and 2, 2, 4-trimethyl-1, 3-pentanediol, and the branched chain diol is selected from at least one of 2-butyl-2-ethyl-1, 3-propylene glycol and 2, 2, 4-trimethyl-1, 3-pentanediol; the material B comprises an isocyanate component A and an isocyanate component B, the isocyanate component A is obtained by reaction of diphenylmethane diisocyanate, polypropylene oxide glycol, polypropylene oxide triol and carbodiimide modified diphenylmethane diisocyanate according to a specific ratio, and the isocyanate component B is isophorone diisocyanate. The sandal insole has the advantages of excellent seawater resistance, low compression set rate, good mechanical properties and long service life.
Owner:FOSHAN BAOMIN SHOES CO LTD

Biobased dielectric coolants using intermediates from ozone cracking of lipids

PendingUS20260250569A1Propanoic acidCarboxylic acid
Biobased dielectric coolants and methods for making diverse high-quality biobased dielectric coolants using carboxylic acid and / or dicarboxylic acids produced from ozone cracking of lipids. The method can include reacting a fatty acid with one or more alcohols, diols, and / or triols to esterify the fatty acid to form esters having a kinematic viscosity @ 40° C. of less than 15 mm2 / s, according to ASTM D 445. The carboxylic acids and dicarboxylic acids can be nonanoic acid, malonic acid, propanoic acid, hexanoic acid, and / or azelaic acid, and can be derived from the oxidation of one or more lipids by ozone cracking.
Owner:PURDUE RES FOUND

A two component composition for preparing polyurethane foam dressing infused with copper and chitosan as antimicrobial

The present invention relates to two-component composition for preparing polyurethane,PU foam wound dressing, said composition comprising a first polyol-based mixture component comprising a polyether polyol comprising high-reactivity-capped polyether triol, water, a tertiary amine catalyst in a solution of dipropylene glycol, an emulsifier and pH buffer, a curing agent with a bi-functional organic compound, a foaming agent, a delayed-action blowing catalyst, and a silicone co-surfactant, and copper and chitosan and a second prepolymer based component comprising diphenyl methane diisocyanate,MDI-based prepolymers, characterized in that, said PU foam wound dressing is infused with copper and chitosan as antimicrobial agents.
Owner:LOKUS MEDICAL (SG) PTE LTD

Alginate fiber filled polylactic acid and preparation method thereof

PendingCN121226985AFiberPolymer science
The invention discloses alginate fiber filled polylactic acid and a preparation method thereof. The alginate fiber filled polylactic acid is prepared from 100 parts by weight of polylactic acid, 20-100 parts by weight of alginate fiber, 1-5 parts by weight of zinc borate, 0.5-5 parts by weight of gamma-aminopropyl silanetriol, 0.5-3 parts by weight of an antioxidant and 0.1-3 parts by weight of a lubricant. The zinc borate and the gamma-aminopropyl silanetriol are introduced into an alginate fiber filled polylactic acid system, so that the mechanical property and the flame retardant property of polylactic acid are remarkably improved, and a prospect is provided for application of a polylactic acid material in more fields.
Owner:HEFEI GENIUS NEW MATERIALS CO LTD

Wide-temperature-range and high-damping polyurethane elastomer material and preparation method thereof

The invention discloses a wide-temperature-range and high-damping polyurethane material and a preparation method thereof.The wide-temperature-range and high-damping polyurethane material comprises a component A1, a component A2 and a component B. The component A1 comprises, by mass, 100 parts of polyether polyol A, 6.5-16.1 parts of monofunctional micromolecular alcohol and 25-39 parts of isocyanate A; the component A2 is prepared from the following components in parts by mass: 100 parts of polyether polyol B and 28.7 to 41.0 parts of isocyanate B; and the component B comprises the following components in parts by mass: 100 parts of micromolecular triol and 0.1-1 part of a catalyst. According to the invention, a certain amount of suspension chains are formed through the combined action of the monofunctional micromolecular alcohol and the micromolecular triol, and meanwhile, the polyurethane elastomer material with wide temperature range and high damping is prepared by controlling the proportion of the components, the temperature range is greater than 75 DEG C, the temperature range covers the conventional working condition temperature (-10 to 50 DEG C), and Tan delta max is up to 2.21.
Owner:LIMING RES INST OF CHEM IND

COMPOSITION A BASE DE POLYURETHANE

POLYURETHANE-BASED COMPOSITION The present invention relates to a composition comprising: a component –NCO comprising: A) at least one polyurethane having at least two NCO terminal groups; B) optionally a polyisocyanate compound comprising at least one polyisocyanate P having at least three NCO isocyanate functions; a component –OH comprising: a polybutadiene polyol P1 having at least two hydroxyl functions, said polyol P1 having a number-average molecular mass from 1,000 g / mol to 15,000 g / mol; a polyol P2 selected from diols, triols or mixtures thereof, said polyol P2 having a number-average molar or molecular mass from 60 to 500 g / mol;a P3 polyol comprising a hydroxyl functionality greater than or equal to 2, said P3 polyol being selected from the group consisting of polyether polyols, naturally occurring polyols, polyester polyols, and mixtures thereof, said P3 polyol having a number-average molecular weight ranging from 800 to 5,000 g / mol; at least one filler, the total filler content being greater than or equal to 30% by weight relative to the total weight of said component –OH. Figure: None;
Owner:BOSTIK SA(FR)

Method for obtaining pore-expanded mesoporous silica nanoparticles

PCT designated stageWO2026078293A1Molecular sieve catalystsMolecular-sieve silicatesAlcoholActive agent
The invention relates to a method for preparing pore-expanded mesoporous silica nanoparticles, comprising: - a first step involving preparing mesoporous silica nanoparticles using surfactants as templating agents; - and a second step of degradation of the silica nanoparticles using an amino tri-alcohol of general formula NR1OH R2OHR3OH, wherein R1, R2 and R3 represent identical or different organic groups, preferably hydrocarbon groups and particularly aliphatic chains with a chain length of less than four, and more preferably 2,2',2''-nitrilotriethanol or triethanolamine, the second step being carried out in water.
Owner:UNIV DE VALENCIA

Oral water retention gel based on compounding of sialic acid and resveratrol and preparation method of oral water retention gel

The invention relates to oral water-retaining gel based on compounding of sialic acid and resveratrol and a preparation method of the oral water-retaining gel, and belongs to the technical field of pharmaceutical preparations. The oral cavity water retention gel is prepared from the following components in parts by mass: 5 to 20 parts of sialic acid, 1 to 8 parts of resveratrol, 20 to 50 parts of liquid grease, 25 to 45 parts of soybean phospholipid, 1 to 8 parts of phytantriol, 0.5 to 5 parts of Tween, 2 to 15 parts of organic solvent and 0.1 to 5 parts of flavoring agent. The sialic acid and the resveratrol are compositely applied, the sialic membrane stability is enhanced by combining the strong hydrophilicity and mucous membrane repairing effect of the sialic acid (N-acetylneuraminic acid), the resveratrol reduces free radical damage through oxidation resistance, and the oral moisturizing effect is improved and the oral microenvironment is improved by cooperating with the effects of the sialic acid and the resveratrol; and oral mucosa stimulation is reduced.
Owner:BEIJING BAITERUN MEDICAL EQUIPMENT CO LTD

Low voc high performance one-component polyurethane waterproof coating and preparation method thereof

This invention relates to a low-VOC, high-performance, single-component polyurethane waterproof coating and its preparation method, belonging to the field of coating technology. The low-VOC, high-performance, single-component polyurethane waterproof coating of this invention comprises polyether diol, polyether triol, dispersant, colorant, fluorosiloxane-modified needle-like wollastonite, unmodified powder, isocyanate, catalyst, latent curing agent, defoamer, high-boiling-point solvent, and polymerization inhibitor. The single-component polyurethane waterproof coating prepared by this invention features low VOC, low odor, and solvent-free characteristics, with a plasticizer content far lower than similar products. It exhibits excellent mechanical properties, good workability, water resistance, corrosion resistance, and aging resistance, and its surface is hydrophobic, making it difficult for moisture to adhere, thus providing excellent waterproof performance.
Owner:GUANGZHOU SUPER CHEM COATING CO LTDGUANGZHOU SUPER CHEM COATING CO LTD

Suspension dense polyurethane finish composition and pavement structure

PendingCN122277152AFiberAdhesive cement
This invention relates to the field of road materials, providing a suspended dense polyurethane surface layer composition and a road surface structure. Road surfaces paved with the surface layer composition of this invention not only have a low permeability coefficient and high splitting strength after freeze-thaw cycles, but also exhibit good dynamic stability and 16-hour Marshall stability, enabling rapid traffic opening. The surface layer composition comprises a mixture and a curing agent; the mixture comprises the following components in parts by weight: 86.5-92.0 parts of aggregate, 4.9-7.0 parts of single-component polyurethane adhesive, 3-6 parts of mineral powder, and 0.1-0.5 parts of lignin fiber; the curing agent is a 2-35 wt% aqueous solution of a triol, wherein the triol is selected from one or more of glycerol and trimethylolpropane.
Owner:WANHUA CHEM GRP CO LTD

Amine triols and process to make them

An amine triol is represented by Formula 2: wherein R1 is a lower alkyl group containing from 1 to 4 carbon atoms; R2, R3 and R4 are each independently hydrogen or a lower alkyl moiety; and "n" is a number of repeating –(CR3R4)- units that is at least 1.
Owner:DOW GLOBAL TECHNOLOGIES LLC

UV paint for metal applications

A UV-curable paint has been developed which exhibits improved adhesion to metal substrates. The paint composition comprises a) a mixture of different epoxy resins, b) an acrylate compound, c) a photoinitiator, d) a polycaprolactone triol, and e) cellulose acetate butyrate.
Owner:ACTEGA DO BRASIL TINTAS E VERNIZESLTDA