17results about How to "Reduce moisture absorption performance" patented technology

The invention discloses an acne-removing essence and a preparation method thereof, and particularly relates to the technical field of skin care products, the acne-removing essence comprises the following components by mass: 0.5-5% of salicylic acid; 1%-5% of tartaric acid; 2%-6% of nicotinamide; 0.5%-2% of colloidal sulfur; 1.5%-3% of tea tree essential oil; 1%-2% of hyaluronic acid; 0.5%-1% of ceramide; 1%-3% of glycerol; 1%-2% of trehalose; the salicylic acid is used for penetrating into skin, helping to relieve dead skin cells, reducing inflammation and accelerating skin renewal; the tartaric acid is used for realizing a stripping effect, can remove aged cuticles on the surface of the skin and promote the generation of new cells, so that the problem of acnes is helped to be improved. The acne-removing essence prepared by the invention has a relatively good moisturizing effect, so that skin barrier can be well maintained, keratin metabolism is promoted, grease secretion is inhibited, acne is effectively prevented, inflammatory response of the acne is relieved, and the actual use effect of the acne-removing essence is relatively good.

The invention relates to corrugating base paper for a fruit box. The corrugating base paper comprises the following raw materials in percentage by weight: 65-75% of OCC pulp, 23-27% of broadleaf wood chemi-mechanical pulp and 5-8% of wood fibers. According to the invention, broadleaf wood chemi-mechanical pulp is added into OCC pulp to increase the fracture length of paper, wood fibers are added to increase the permeation of surface sizing starch, and the starch enhancer is introduced, so that in the starch gelatinization process, the starch enhancer can effectively weave a glucose chain of starch into a net-shaped structure, thereby remarkably improving the strength of the OCC pulp, optimizing the sizing effect of the starch, and improving the quality of the OCC pulp. The process of combining internal sizing and surface sizing is used, the moisture regain resistance of the paper on the end face and the surface is improved, the stiffness, bursting strength and ring crush compression resistance of the paper can be remarkably improved by using the production process, and the moisture regain resistance effect is good.

Provided are a crystalline form of a pyrrole amide compound, a preparation method therefor and a use thereof, and also provided is pharmaceutical composition comprising the crystalline form. In particular, the crystalline form or the pharmaceutical composition can be used to treat and prevent diseases such as hyperaldosteronism, diabetic nephropathy, hypertension, heart failure (comprising chronic heart failure, etc.), sequelae of myocardial infarction, liver cirrhosis, renal failure, and stroke.

The application provides a high-refraction cycloolefin copolymer and a preparation method thereof, and has a structure of formula I. The cycloolefin copolymer can obtain a cycloolefin copolymer resin with high thermal stability due to high steric hindrance of the cycloolefin monomer. The refractive index of the cycloolefin copolymer resin is greatly improved due to R3 and R4 on the cycloolefin monomer, and is first broken through to above 1.70, while maintaining high light transmittance of 91.0-96.0%, extremely low water absorption (<0.01%), and a glass transition temperature of 219 DEG C. The application prepares the cycloolefin copolymer resin with high activity, adjustable molecular weight and glass transition temperature by adjusting the reaction conditions. The copolymer resin has high refractive index, high light transmittance, heat resistance, low birefringence and moisture absorption, excellent fluidity, moldability and dimensional stability.

The present application relates to a solid form of an indole compound, a preparation method therefor and a use thereof. Specifically, the present application relates to a solid form of a compound of Formula (1), a method of preparing same, a pharmaceutical composition comprising same, and a use thereof in treating a disease.

The invention relates to the field of dehumidification fillers, and discloses a honeycomb filler suitable for an inner-cooling dehumidifier, which is of a honeycomb structure formed by enclosing an arc-shaped plate, a partition plate, a first air cylinder and a second air cylinder and comprising a first vertical cavity, a first annular cavity, a second vertical cavity and a second annular cavity, a coolant flowing path fully covers the outer walls of the first air cylinder and the second air cylinder through which gas passes, the heat exchange effect of the coolant and the dehumidification solution is improved, the temperature of the dehumidification solution is reduced, and the moisture absorption capacity of the dehumidification solution is improved; meanwhile, through hydrophilic coatings sprayed on the upper half parts of the inner walls of the first air cylinder and the second air cylinder and hydrophobic materials sprayed on the lower half parts of the inner walls, when the dehumidification solution flows through the upper half parts of the inner walls of the first air cylinder and the second air cylinder, the dehumidification solution is fully dispersed and spread, and the flowing speed of the dehumidification solution is reduced; the contact area and contact time of the reaction gas and the dehumidification solution are increased, and the moisture absorption effect of the dehumidification solution is improved.

Provided are a solid form of a Rho-associated protein kinase inhibitor (6-(4-((4-(1H-pyrazol-4-yl)phenyl)amino)pyrimidin-2-yl)-1-methyl-1H-indol-2-yl)(3,3-difluoroazetidin-1-yl)methanone or a solvate thereof, a method for preparing the solid form, a pharmaceutical composition comprising the solid form, and a use of the solid form as a Rho-associated protein kinase (ROCK) inhibitor, preferably a selective ROCK2 inhibitor.

The invention provides light lyocell cotton denim with low fibrillation and antibacterial and anti-mosquito functions and a preparation method of the light lyocell cotton denim, and relates to the technical field of functional finishing of textiles. The preparation method of the light lyocell cotton denim with low fibrillation and antibacterial and anti-mosquito functions comprises the five steps of fabric pretreatment, finishing liquid preparation, double-section padding, third-order curing and after-finishing. Through the synergistic effect of gradient crosslinking and natural antibacterial and anti-mosquito components, the fabric is endowed with lasting antibacterial and anti-mosquito functions while fibrillation of lyocell fibers is effectively inhibited, the technical problem that in a traditional finishing method, it is difficult to consider both fibrillation and functionality at the same time is solved, and the antibacterial and anti-mosquito effects of the fabric are improved. And the prepared fabric has excellent fibrillating resistance, lasting antibacterial and anti-mosquito effects and good softness and comfort.

The invention discloses a bio-based core-shell structure flame retardant and an application thereof in a bio-based plate. According to the invention, a phosphorus-carbon synergistic flame-retardant core-shell structure flame retardant is developed by taking a phosphorus-containing halogen-free flame retardant as a core and carrying out free radical copolymerization reaction on a furfuryl alcohol (FA) derivative containing phosphorus in different oxidation states and bismaleimide (BMI) with a charring function to form a cross-linked flame-retardant macromolecular shell layer. The core-shell flame retardant is proportionally mixed with crushed materials of a biological base material and an adhesive, and the mixture is subjected to hot press molding to obtain the flame-retardant biological base material. The flame retardant provided by the invention not only can endow a biological base material with good flame retardance and mechanical properties, but also can solve the problem of long-term durability of the biological base material.

The invention provides siloxane-based liquid cooling oil and a preparation method thereof, and the preparation method comprises the following steps: placing a cyclic siloxane monomer in an inert atmosphere, adding an acid catalyst and a base catalyst, and carrying out an acid-base dual-catalysis ring-opening polymerization reaction to obtain methyl-phenyl copolymerized siloxane, carrying out high-temperature distillation on the methyl-phenyl copolymerized siloxane to obtain siloxane-based liquid-cooled oil carrier liquid; the method comprises the following steps: adding a tertiary amine catalyst and deionized water into an organic alkoxy silane monomer and a fluoropropyl substituted alkoxy silane monomer, and carrying out a hydrolytic condensation reaction to obtain a siloxane precursor which comprises a liquid micro-network precursor and a hydrophobic chain segment precursor; the siloxane-based carrier liquid and the siloxane precursor are stirred and mixed according to a preset mass ratio, vacuum defoaming is performed after functional auxiliaries are added, the siloxane-based liquid cooling oil is obtained, and the functional auxiliaries comprise a polyether grafted dispersing agent and a low-molecular silicone oil rheology modifier. The defects that traditional liquid cooling oil is prone to blistering and dielectric gliding are effectively overcome.

The present application provides a crystalline form of tolebrutinib, an amorphous form, and a method of preparation thereof and a use thereof, and the crystalline form of tolebrutinib provided in the present application has at least one of the following advantages: good stability, low moisture attraction, uniform particle size distribution, solubility meeting the requirements for medicinal use, stable storage, avoiding phase transformation of the drug in the process of development and in storage, and a reliable method for the preparation thereof, which has a great development value. The amorphous form of tolebrutinib provided in this application, while possessing better solubility than that of tolebrutinib in the crystalline state, still possesses good stability of placement and acceptable hygroscopicity, and has high medicinal value.

This application relates to the chemical field of medicine, specifically to tolebrutinib salts and their crystal forms, their preparation methods, their pharmaceutical compositions, and their uses. Tolebrutinib hydrochloride and its crystal form provided in this application have at least one advantage: good stability, low hygroscopicity, solubility meeting medicinal requirements, uniform particle size distribution, good morphology, good flowability, good compressibility, good crystallinity, good storage stability, avoiding phase transformation during drug development and storage, simple and reliable preparation method, and great development value. The tolebrutinib maleate and its crystal form of this application have at least one advantage: good stability, uniform particle size distribution, good flowability, solubility meeting pharmaceutical requirements, good storage stability, avoiding phase transformation during drug development and storage, and simple and reliable preparation method.

The present invention relates to crystalline forms I and II of the compound 2-N-4,6-di-O-tributyryl-D-glucosamine, preparation methods and uses thereof, wherein the crystalline forms I and II obtained from the present invention have high water solubility, crystalline stability and can be better applied in pharmacy.

The utility model relates to the technical field of anti-knock walls, in particular to a light anti-knock wall with a novel elastic coating, and provides a light anti-knock wall with a novel elastic coating aiming at the problem that concrete has the risk of falling under long-time rainwater impact or accidental collision due to the fact that the outer surface of the anti-knock wall is not provided with a protective layer, which comprises a building beam. An anti-explosion wall is arranged on the building beam and comprises a plurality of supporting keels, reinforced concrete layers are arranged on the inner sides of every two adjacent supporting keels respectively, composite steel plates are arranged on the inner side faces of the reinforced concrete layers, and floating bead plates are arranged on the inner side faces of the composite steel plates. A rock wool layer is arranged on the outer side face of the reinforced concrete layer, a decorative layer is arranged on the rock wool layer, and a coating is arranged on the outer surface of the decorative layer. By additionally arranging the coating, the waterproof performance and the impact resistance of the outer surface of the anti-explosion wall can be improved, and the outer surface of the anti-explosion wall is prevented from falling or being damaged under rainwater impact or accidental collision.

This application relates to the field of chemistry of drugs. It relates to a lazertinib monomethanesulfonate hydrate crystal form, its preparation method thereof and uses. The crystal form of lazertinib monomethanesulfonate hydrate provided in this application has at least one of the following advantageous properties: good stability, high solubility, good dissolution, low hygroscopicity, uniform particle size distribution, favorable morphology, good flowability, and high crystallinity. These characteristics contribute to stable storage, preventing degradation, increased impurities, changes in appearance, and crystallization during development and storage. The preparation method is simple and reliable, offering significant development value.

The invention relates to the technical field of compound eutectic crystals, and discloses an L-lysine and plant essential oil active component eutectic crystal and a preparation method and application thereof. The eutectic crystal is prepared from the following raw materials: L-lysine and plant essential oil active ingredients, the molar ratio of the L-lysine to the active ingredients of the plant essential oil is 1: 1; the active ingredient of the plant essential oil is at least one of eugenol and cinnamyl aldehyde. The eutectic crystal provided by the invention is formed by at least one of eugenol and cinnamyl aldehyde and L-lysine, is low in hygroscopicity and volatility and good in stability, and overcomes the defects that single L-lysine is strong in hygroscopicity and inconvenient to process and store, and single eugenol or cinnamyl aldehyde is strong in volatility and poor in stability; compared with single eugenol or cinnamyl aldehyde, the eugenol / cinnamyl aldehyde co-crystal shows lower minimum inhibitory concentration on various bacteria such as escherichia coli, staphylococcus aureus, salmonella enteritidis, candida albicans, nigmycin, aspergillus flavus and the like, and has a good antibacterial effect.

The present invention relates to the field of pharmaceutical preparations, and provides a vitamin D drop and a preparation method thereof, wherein the main components include vitamin D, an antioxidant, an oil phase, a surfactant, and a cosurfactant; wherein the content is a self-microemulsion system made of vitamin D, an oil phase, a surfactant, and a cosurfactant; and the soft capsule shell is made of gelatin, a plasticizer, and purified water. During the preparation, the oil phase, the surfactant, and the cosurfactant are first made into a blank self-microemulsion under stirring conditions, and then vitamin D and an antioxidant are added and stirred to obtain a drug-loaded self-microemulsion; and the drug-loaded self-microemulsion is then filled into a soft capsule as a content to obtain the target product. After the vitamin D drops disintegrate in water, they spontaneously form a microemulsion solution with a particle size not exceeding 100 nm, a clear and uniform appearance, and good stability, which significantly improves the solubility of vitamin D in water, and improves the in vitro dissolution and in vivo bioavailability of vitamin D.