214 results about "Propylene glycol" patented technology

To provide an inkjet ink that can be adjusted to an appropriate viscosity range and has excellent properties such as continuous and intermittent printing capabilities. [Solution] An inkjet ink is provided comprising a solvent containing a first solvent which is a glycol ether and a second solvent which is an alcohol having C1 to C3 carbon atoms, and a polyvinyl acetal resin, wherein the ratio of the second solvent to the total amount of the solvent is 5% by mass or more and 50% by mass or less. The first solvent may be propylene glycol monomethyl ether.

The application provides a low pour point nonionic surfactant and a preparation method thereof, which is composed of the following raw materials in parts by weight: C13 isomeric fatty alcohol polyoxyethylene ether 18-30 parts, reverse EO / PO block copolymer 10-20 parts, sodium diisooctyl sulfosuccinate 1-7 parts, sodium dodecyl sulfonate 1-5 parts, glyceryl laurate 1-5 parts, isopropyl alcohol 5-10 parts, and propylene glycol 1-5 parts; the formula is constructed based on a nonionic surfactant as a main body, ion surfactants and additives are introduced, and the system is optimized, so that a low pour point nonionic surfactant with excellent adsorption capacity and decontamination capacity is obtained.

The present application belongs to the technical field of daily chemical preparation, and particularly relates to a gynecological gel for inhibiting bacteria, regulating microecological balance and tightening vagina and a preparation method thereof. The gynecological gel comprises the following raw materials in mass fractions: 0.5-1 parts of carbomer, 0.04-0.09 parts of sodium hydroxide, 1-3 parts of collagen, 0.01-0.06 parts of sodium hyaluronate, 0.5-1.5 parts of isomaltooligosaccharide, 2-5 parts of propylene glycol, 0.05-0.3 parts of hydroxybenzoic acid methyl ester, 0.02-0.15 parts of hydroxyphenyl ethyl ester, 0.1-1.5 parts of hydrogenated lecithin, 1-6 parts of 1,3-butanediol, 3-5 parts of glycerol, 0.5-1 part of xanthan gum and 70-90 parts of water. The present application uses buckwheat filtrate to prepare collagen, and the active ingredients in the buckwheat filtrate can penetrate the cell membrane of pathogenic bacteria to play an antibacterial role; the collagen can repair the vaginal mucosa barrier and reduce the adhesion and invasion of pathogenic bacteria; therefore, after being compounded with the raw materials such as carbomer, sodium hydroxide, sodium hyaluronate, isomaltooligosaccharide and propylene glycol, the multiple components can synergistically promote the synthesis and repair of collagen fibers and improve the elasticity of tissues.

The present application provides compositions and methods for treatment of ocular inflammatory conditions, dry eye diseases, and abnormal corneal neovascularization, using etiprednol. In one example, a composition is provided comprising a semi-fluorinated alkane compound such as, e.g., perfluorohexyloctane; and an additive selected from paraffin, propylene glycol diacetate (PGD), a hydroxyalkyl ester of an aliphatic fatty acid, a hydroxyacid alkyl ester, an alkyl ester of a fatty acid, phenethyl alcohol, ethanol, isopropanol, glycerol, propylene glycol, polyethylene glycol, n-butanol, or combinations thereof. Eye drops comprising the compositions are also provided. Methods of using the compositions are also provided and include methods for reducing one or more symptoms of ocular inflammatory conditions, dry eye diseases, or abnormal corneal neovascularization.

The present disclosure describes topical ketorolac compositions that comprise a eutectic solvent, such as choline chloride and propylene glycol, and methods and uses thereof. The compositions of the present disclosure are capable of delivering an effective amount of ketorolac through the skin and are believed to be useful in treating inflammation and / or pain, such as gout.

This invention discloses an essence for repairing hormone-induced facial dermatitis and its application, belonging to the field of cosmetics and skin repair technology. The essence uses deionized water as the main solvent, with butylene glycol and glycerin as the core moisturizing base. It is compounded with five major active ingredients: niacinamide, Bacillus ferment precipitate, mussel extract, sodium hyaluronate, and allantoin, supplemented with auxiliary components such as 1,3-propylene glycol, capryloyl hydroxamic acid, 1,2-hexanediol, ethylhexylglycerin, disodium EDTA, and ethanol. Through scientific compounding, a synergistic repair system is formed, achieving integrated effects of skin barrier repair, anti-inflammatory soothing, microecological balance regulation, deep moisturizing and water locking, and redness reduction and stabilization. The formula of this invention is gentle and non-irritating, free of hormones, fragrances, pigments, and strong allergens, suitable for use on hormone-induced facial dermatitis, dermatitis-prone skin, and severely sensitive skin. The product has good stability, high safety, and is suitable for industrial production, possessing significant skin repair value and promising market application prospects.

The application discloses a dapagliflozin metformin sustained-release tablet, which comprises the following components: metformin hydrochloride, an isolation material, dapagliflozin propylene glycol monohydrate, a cosolvent, a lubricant, a diluent and a disintegrant. 90 The metformin hydrochloride is composed of three kinds of particles with different particle sizes, and the particle sizes D 90 of the three kinds of particles are 0.5-1.0 μm, 50-200 μm and 300-600 μm respectively. The weight composition ratio of the three kinds of particles is (0.5-1) : 1 : (0.5-1). The dapagliflozin metformin sustained-release tablet provided by the application has a longer action time, and can be uniformly and slowly released and chemically stable.

This invention provides a flavoring agent for enhancing the honey-sweet aroma of tobacco, comprising the following raw materials and their mass percentages: 0.2-0.3% 2,3-pentanedione, 0.45-0.55% phenylacetic acid, 0.45-0.55% phenethyl acetate, 0.25-0.4% phenylethanol, 0.45-0.6% methyl phenylacetate, 0.45-0.6% ethyl phenylacetate, 0.5-0.6% menthyl acetate, 0.15-0.25% geraniol, and the balance being propylene glycol. This invention belongs to the field of tobacco flavoring technology. By combining 2,3-pentanedione, phenylacetic acid, and phenethyl acetate in a specific mass ratio and conducting testing and evaluation, a flavoring agent suitable for enhancing the honey-sweet aroma of tobacco has been successfully developed. The composition is clearly defined, significantly improving the honey-sweet aroma of tobacco products, with a rich and long-lasting aroma, and good taste harmony.

This invention discloses a low-conductivity coolant for microchannel water-cooled plates and its application. The coolant, by mass fraction, comprises 85-95% propylene glycol, 1-5% deionized water, 0.05-0.15% imidazole, 0.1-0.3% toluenetriazole, 0.10-0.4% sebacic acid, 0.1-0.3% benzoic acid, 3-4% triethanolamine, and 0-0.06% defoamer. The coolant is stirred evenly with deionized water, and the resulting mixture is placed in the micron-level fluid channels inside the microchannel water-cooled plate. The high-speed flow of the mixture absorbs the heat dissipated by the chip. The coolant prepared by this invention exhibits low corrosivity, high reserve alkalinity, low foaming tendency, and low conductivity. This coolant can be used safely and efficiently in microchannel structures, meeting the growing heat dissipation needs of AI big data computing centers.

This invention provides a magnesium baicalein hydrogel with whitening and anti-skin aging effects and its preparation method. The formulation includes magnesium baicalein, sodium hyaluronate, carbomer, propylene glycol, niacinamide, a pH adjuster, and purified water. The hydrogel uses magnesium baicalein as the main active ingredient, overcoming the traditional deficiency of baicalein's poor water solubility and exhibiting good gel phase stability. The magnesium baicalein in the hydrogel can effectively scavenge free radicals and prevent collagen degradation to combat aging; simultaneously, it inhibits tyrosinase, synergistically achieving a dual whitening effect with niacinamide.

This application relates to the field of drawing paper, specifically disclosing a double-sided marker drawing paper and its manufacturing process. The double-sided marker drawing paper comprises a first base paper layer, a coating layer, and a second base paper layer arranged sequentially. The coating layer is coated with a coating liquid at a concentration of 1-5 g / m². 2 The coating is applied using a chitosan-sodium alginate-sodium alginate propylene glycol coating solution. This double-sided marker drawing paper, through its composite structure consisting of a first base paper layer, a coating layer composed of chitosan-sodium alginate-sodium alginate propylene glycol, and a second base paper layer, significantly improves the paper's impermeability, preventing ink from seeping to the other side of the paper and ensuring the feasibility of double-sided drawing. It also allows for faster ink penetration and drying, while maintaining the vibrancy and uniform distribution of the marker ink, resulting in a more ideal drawing effect.

The patent discloses a low-smoke oil residue heating cigarette sheet and an aerosol generating system. The heating cigarette sheet comprises a tobacco base material, an atomizing agent, water, an additional fiber, an adhesive and a gas generating agent. The gas generating agent comprises one or more combinations of inorganic bicarbonate, basic carbonate, organic acid salt and small molecule sugar alcohol. The atomizing agent is selected from one or more combinations of glycerol, propylene glycol and 1,3-butanediol. The addition ratio of the atomizing agent to the gas generating agent is 1:(0.10-0.15), 1:(0.15-0.20), 1:(0.20-0.25) or 1:(0.25-0.30) by weight. The gas generating rate of the heating cigarette sheet is greater than 10 mL / min, the single puff gas generating amount is greater than 5 mL / puff, the gas generating agent makes the proportion of carbon dioxide in the decomposition gas of the heating cigarette sheet not less than 80%, and the condensation residue amount of the heating cigarette sheet in the heating smoking set is less than 1.3 mg / branch. The patent achieves the purpose of accelerating smoke exhaust.

Role of a cleaning textile for cleaning printing cylinders of a printing system, wherein the cleaning textile is impregnated with a cleaning agent composition, the cleaning agent composition comprising an organic solvent and a cellulose solubilizer, wherein the organic solvent is a propylene glycol oligomer, which is di(propylene glycol)propyl ether, and wherein the roller (12) is inserted into a removable sealing bag (15) which is designed to seal the roller (12) of cleaning textile (13) in order to prevent the cleaning agent composition from evaporating before use, wherein the sealing bag (15) is tubular and is made of a multilayer plastic film.

This invention discloses an antibacterial and skin-friendly wet wipe and its preparation method, belonging to patent classification number A61Q19 / 00, and relating to the field of medical consumables technology. The method includes: preparing a composite nonwoven fabric by hydroentangling and reinforcing viscose fiber and virgin polyester fiber; impregnating the nonwoven fabric in a skin-friendly modifying finishing solution containing hydrolyzed silk protein, water-soluble amino silicone oil, betaine, and trehalose, followed by rolling and drying to form a hydrophilic and smooth layer; then impregnating the skin-friendly nonwoven fabric in an antibacterial loading solution containing chitosan quaternary ammonium salt, colorless complexed silver solution, aloe vera extract, honeysuckle extract, and EDTA-disodium, followed by drying to construct an electrostatic adsorption and complexed sustained-release composite antibacterial layer; finally, applying a nursing nutrient solution containing propylene glycol and vitamin B5 to obtain the wet wipe. This invention significantly reduces the fiber friction coefficient through skin-friendly modification, giving the wet wipe a silky feel and long-lasting moisturizing effect; and achieves highly efficient and broad-spectrum antibacterial effects through the synergistic effect of quaternary ammonium salt contact sterilization and silver ion sustained-release.

Disclosed are ready to use non-aqueous solutions of lamotrigine. The lamotrigine is dissolved in a solvent, wherein the solvent comprises propylene glycol and optionally at least one co-solvent, and wherein if water is present in the ready to use non-aqueous solution, the water is not at least one co-solvent. Also disclosed are methods for treating a neurological disorder or a mental disorder by administering the ready to use non-aqueous solutions of lamotrigine, processes for preparing ready to use non-aqueous solutions of lamotrigine, and kits containing lamotrigine to prepare ready to use non-aqueous solutions of lamotrigine.

The present invention relates to the technical field of concrete materials. Disclosed are a modified epoxy resin and a preparation method therefor, a composition for an epoxy resin grouting material, an epoxy resin grouting material, a preparation method therefor, and a use thereof. The method for preparing the modified epoxy resin comprises: heating a polyhydroxy compound and an epoxy resin at 80-100ºC in a nitrogen atmosphere in the presence of a catalyst to obtain the modified epoxy resin, wherein the molar ratio of the polyhydroxy compound, the epoxy resin, and the catalyst is 1:1-2:0.05-0.1; the epoxy resin is a bisphenol A epoxy resin; the catalyst is selected from any one of sodium hydroxide, potassium carbonate, and dimethylaniline; and the polyhydroxy compound is selected from at least one of glycerol, ethylene glycol, propylene glycol, glucose, and butylene glycol. The epoxy resin grouting material of the present invention has more excellent toughness and lower viscosity, and good bonding strength and bonding durability with a concrete matrix.

The application provides a water-triggered self-assembly gel, a use method and application thereof. The water-triggered self-assembly gel comprises 5-aminolevulinic acid hydrochloride 5-15 wt%, phospholipid 5-10 wt%, anionic glycolipid surfactant 0.2-0.8 wt%, polyethylene glycol 50-60 wt%, propylene glycol 20-27 wt% and antioxidant 0.05-0.1 wt%, and water <0.1 wt%; the mass ratio of the polyethylene glycol and the propylene glycol is (2-2.5):1. The water content of the water-triggered self-assembly gel is extremely low, so that the stability is good and the storage is easy; when used, the water-triggered mechanism of transdermal water loss can be used to actively extract water from the stratum corneum, the phase transition of the phospholipid from the disordered lamellar phase to the liposome is quickly completed, the nanometer liposome with uniform particle size and high encapsulation efficiency is spontaneously formed, the 5-ALA hydrochloride is wrapped, and the 5-ALA hydrochloride can be efficiently delivered to the deep layer of the skin.

This invention provides an birepiperazole oral solution, wherein the solution comprises birepiperazole 0.4-0.6 mg / ml, disodium edetate 0.1-0.5 mg / ml, methylparaben 1.5-2.0 mg / ml, propylparaben 0.15-0.25 mg / ml, an acidic pH adjuster 2.5-3.5 mg / ml, a flavoring agent 0.8-1.2 mg / ml, propylene glycol 40-60 mg / ml, glycerin 120-180 mg / ml, and a sodium hydroxide solution to adjust the pH to 2.9-3.3. The drug exhibits high stability during preparation, storage, and clinical formulation.

This invention relates to the field of transfer paper coating technology, specifically to a thermal sublimation transfer paper coating and its preparation method. The invention first coats a photothermal dual-curing polyurethane emulsion onto a substrate paper, curing it to form a hydrophobic layer. The photothermal dual-curing polyurethane emulsion is composed of an epoxy-terminated silicone polyurethane modified with hydroxyl-terminated polydimethylsiloxane and capped with propylene glycol diglycidyl ester, and a double-bond capped polyurethane obtained by chain extension with glycerol monoglycidyl ether and capping with hydroxyethyl acrylate. Next, an ink-absorbing coating containing mercapto-modified silica, acrylamide monomer, and sodium carboxymethyl cellulose is coated onto the hydrophobic layer, cross-linking to form an ink-absorbing layer. Finally, a polyvinyl alcohol solution is coated onto the ink-absorbing layer to form a surface layer. The thermal sublimation transfer paper coating designed by this invention exhibits strong adhesion and excellent transfer effect.

The invention discloses an environment-friendly high-performance titanium alloy polishing composition as well as a preparation method and application thereof, and relates to the technical field of metal material surface treatment. According to the environment-friendly high-performance titanium alloy polishing composition, the pH value of a basic system is adjusted to 9.5-10.0 through a pH adjusting agent; the base system comprises the following components in percentage by mass: 10-30% of silica sol, 3-4% of an anti-gel stabilizer (urea or methylurea), 2-3% of a heat transfer improvement and surface defect inhibitor (ethylene glycol or propylene glycol), 0.1-0.2% of a wetting leveling agent, 1-2% of an alcohol amine complexing agent and 0.5-1% of an aminopolycarboxylic acid chelating agent besides water. According to the environment-friendly high-performance titanium alloy polishing composition, on the premise that an oxidizing agent is completely abandoned, perfect balance of high stability, high polishing rate and excellent surface quality is achieved through unique formula design, and the environment-friendly high-performance titanium alloy polishing composition has the advantages of being environmentally friendly and high in safety.

The application belongs to the field of natural product extraction and cosmetic raw materials, and discloses a preparation method and application of a composition containing asiaticoside-paeoniflorin, which comprises two key and functionally different stages: ① extraction stage: using asiaticoside as an extraction aid and using propylene glycol as a complex medium, efficiently dissolving and forming an "asiaticoside-paeoniflorin" supramolecular complex; ② complexing and stabilizing stage: using glycerol as a stabilizer to maintain the long-term kinetic stability of the formed supramolecular complex and prevent its dissociation and aggregation. The method solves the technical problem that the extraction rate and stability of paeoniflorin are difficult to be considered simultaneously in the field by functional division of extraction and stabilization, and the composition containing asiaticoside-paeoniflorin obtained finally has excellent soothing performance, not only rapid effect, but also persistent and stable soothing protection effect, which can effectively resist and repair the influence of external stimulation on the skin.

This invention discloses a tobacco flavoring, its preparation method, and its application, belonging to the field of tobacco processing technology. The flavoring comprises a cigar tobacco extract prepared by hot reflux extraction of cigar tobacco leaves with ethanol, followed by LX-8 macroporous adsorption resin column chromatography and precise collection and concentration of the 90% volume fraction of ethanol eluent. It preferably contains specific modifying components such as coffee extract, methyl ionone, and ethyl maltol, as well as propylene glycol. The key to its preparation method lies in mixing the components under an inert atmosphere, followed by dynamic aging and static aging treatments, with pH stability as the aging endpoint criterion. Applying this flavoring to reconstituted tobacco leaves and cigarettes can specifically enhance the natural tobacco aroma weakened by the tar reduction process, and significantly improve the harmony, purity, and aftertaste comfort of the aroma, effectively solving the technical problem of poor integration between traditional added flavorings and the tobacco matrix.

The present application relates to the technical field of oral liquid, in particular to a kind of oral liquid for preventing and treating perinatal energy metabolism disorder disease of dairy cow and preparation method thereof, it is characterized in that, the oral liquid for preventing and treating perinatal energy metabolism disorder disease of dairy cow is made of the following components, by weight parts: artemisia capillaris 200~300 parts, gardenia 150~200 parts, bupleurum 100~150 parts, polygonatum 50~100 parts, radix paeoniae alba 50~100 parts, liquorice 10~50 parts, nicotinic acid 1~10 parts, propylene glycol 200~300 parts, fructose diphosphate sodium 1~10 parts, pure water 200~400 parts.The oral liquid for preventing and treating perinatal energy metabolism disorder disease of dairy cow can prevent and treat ketosis, fatty liver and liver damage at the same time, comprehensively improve the constitution of new cow, improve immunity, improve physical indicators and reproductive performance, increase economic benefits.

Disclosed is a bentonite gel, comprising the following components in parts by weight: 65-85 parts of grease, 12-22 parts of bentonite, and 5-12 parts of propylene glycol carbonate. The preparation method therefor comprises: stirring grease and bentonite at room temperature at a speed of 400-600 r / min for 15-30 min; then adding propylene glycol carbonate; stirring the mixture at a speed of 1200-1600 r / min for 60-180 s until it becomes viscous; and grinding the stirred product to obtain a bentonite gel. The bentonite gel can be used in cosmetics.

The application discloses a kind of halogen-free high-frequency copper-clad plate and its manufacturing method, belong to copper-clad plate preparation technical field, manufacturing method is as follows: fluorine-containing mercaptan grafting polybutadiene, styrene-butadiene-styrene copolymer, dicyclopentadiene phenol epoxy resin, toluene, butanone, propylene glycol monomethyl ether are added into mixing machine, after stirring and mixing, initiator, active ester curing agent, diamond-based flame-retardant filler are added, stirring and mixing 2-4h, obtain resin glue liquid;Glass cloth is placed in resin glue liquid and immersed after taking out, baking, obtain prepreg;Prepreg is laminated, the copper-clad plate obtained by the application has lower dielectric constant, better flame-retardant property, higher heat dissipation performance, lower water absorption and good mechanical processing, etc.Advantages, in the field of communication, vehicle-mounted millimeter wave radar, internet of things, automobile electronics and other fields of high multilayer high-frequency circuit board have broad application prospect.

The present application relates to the field of polyether material preparation, and provides a low-foam block copolyether and a preparation method thereof, wherein a hydroxyl-terminated polyoxyethylene-polyoxypropylene block copolymer is reacted with propyl triethoxysilane isocyanate, then hydrolysis-condensation is carried out to construct a block copolyether containing siloxane nanoclusters in end groups, and the number average molecular weight of the polyether skeleton, the content of ethylene glycol oxy units, the content of propylene glycol oxy units, the introduction amount of silane groups, the hydrolysis-condensation degree and the average particle size of the siloxane nanoclusters are controlled, so that low initial foam height, low 5min foam height, suitable cloud point and low residue are realized, the problem that it is difficult to balance the long-lasting low foam and low viscosity, wide processing window, structural uniformity and water solubility, and compatibility stability is solved, and the block copolyether has good industrial application value.

The application discloses a method for separating and extracting xylanase based on a deep eutectic solvent (DES) and a two-water-phase system, and belongs to the technical field of biological separation engineering and enzyme purification. The method comprises the following steps: first, preparing a deep eutectic solvent by mixing and heating betaine (Bet) and 1,2-propylene glycol (1,2-Prop); second, mixing the deep eutectic solvent, inorganic salt and water in a certain proportion to build a two-water-phase system, wherein the mass percentage of the deep eutectic solvent is 40%, and the dosage of the inorganic salt is 0.2 g / mL; and third, adding a hydrolyzate containing xylanase into the two-water-phase system to perform extraction separation. The two-water-phase system formed by the deep eutectic solvent and the inorganic salt is used to selectively distribute the xylanase, the extraction rate can reach more than 90%, and the enzyme activity retention rate is greater than 85%. Compared with a traditional polymer two-water-phase system, the method has the advantages of high separation efficiency, mild conditions, small enzyme activity loss, low cost, green environmental protection, simple operation and the like, and is suitable for industrialized separation and purification of xylanase.