18 results about "Propiophenone" patented technology

The invention relates to a preparation technology of a multifunctional plastic clothes hanger through cooperation of degradable color master batches and nitrogen filling injection molding, and belongs to the technical field of plastic products. Adding the polylactic acid, the styrene-acrylonitrile copolymer, the modified stone powder, the degradable color master batch and the compound additive into a horizontal helical ribbon mixer, stirring and drying to obtain a mixture; the dried mixture is added into an injection molding machine to be melted and plasticized, a screw pushes melt to be injected into a mold, high-pressure nitrogen is injected into the melt, and the melt is pushed to completely fill a cavity; the plastic clothes hanger is obtained through pressure maintaining, cooling and demolding; the compound additive is prepared from allyl alcohol polyoxyethylene ether, 2-octenyl succinic anhydride, 14-mercaptotetradecanoic acid, anhydrous tetrahydrofuran, 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone and triethylamine. The preparation method comprises the following steps: preparing the compound additive; the degradable material is adopted, the biodegradation rate is high, the mechanical property is stable, the coloring effect is good, fading is not prone to occurring, and the service life is long.

The invention discloses an odorless scratch-resistant elastic bending UV (ultraviolet) excimer skin-touch varnish, which relates to the technical field of coatings and comprises the following components in percentage by mass: 10-30% of functional acrylate resin, 10-30% of a solvent, 10-30% of a solvent, 10-30% of a solvent and 10-30% of a solvent. 40 to 80% of modified polyurethane acrylate resin; 0.1-1% of a leveling agent; 0.1-1% of a defoaming agent; 0.1-4% of an organosilicon auxiliary agent; 0.5 to 2% of 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide; 0.5 to 7% of 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone, and the balance of water; 0.3-1% of a wetting dispersant; 2-5% of UV anti-settling slurry; 1-5% of wax powder; and 5-30% of nano sol. According to the UV quasi-molecular skin-touch varnish disclosed by the invention, through the combined action of an odorless resin system, fluorosilicone modified and enhanced three-functional-group elastic resin, nano-zirconia phase change toughening and a crosslinkable fixing auxiliary agent, multiple pairs of performance contradictions of elasticity and hardness, instant effect and durability, odorless effect and stability and the like in a traditional elastic bending UV coating are successfully solved; and the high-performance skin-touch coating with excellent elastic bending property, lasting high scratch resistance, real odor removal effect and good stability is obtained.

The application provides a porous carbon material for adsorbing heavy metals and a preparation method and application thereof, and relates to the technical field of adsorbent preparation. The preparation steps of the porous carbon material include: S1, stirring hydrochloric acid dopamine and N-hydroxymethyl acrylamide in anhydrous ethanol, adding concentrated sulfuric acid for reaction, filtering, and washing until neutral to obtain DTA; S2, adding acrylamide, acrylonitrile, acrylic acid and 3-(acrylamidomethyl)-5-benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid into water to obtain a solution system, adding sodium hydroxide, the intermediate product DTA and 2-hydroxy-4-(2-hydroxyethoxy)-2-methylbenzophenone in sequence, carrying out ultrasonic treatment, irradiating under a mercury lamp light source, washing, and freeze-drying to obtain PAAAS-D; and S3, carrying out carbonization of the PAAAS-D after pre-oxidation treatment under a inert atmosphere to obtain CPAAAS-D. The porous carbon material has rich active sites and an optimized pore structure, and can efficiently adsorb Fe, Co and Ni heavy metal ions.

The invention relates to the field of flexible functional materials, and discloses a sensing and heat storage integrated composite gel device for an amphibious vehicle, the device is composed of a hydrophobic dynamic cross-linked ionic gel matrix, a phase change microcapsule using a hydrophobic polymer as a wall material, and an optional high thermal conductivity filler; the composite ionic gel matrix is formed by taking 2, 2, 2-trifluoroethyl acrylate as a main comonomer, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide as a solvent and 2-hydroxy-4-(2-hydroxyethoxy)-2-methyl propiophenone as a photoinitiator through ultraviolet light polymerization, and the composite ionic gel matrix is prepared from the following raw materials in parts by weight: 1, 2, 2-trifluoroethyl acrylate, 1, 2-methylimidazolium bis (trifluoromethylsulfonyl) imide and 2-hydroxy-4-(2-hydroxyethoxy)-2-methyl propiophenone. The phase change microcapsules are uniformly dispersed in the matrix; the composite gel device can monitor the running state and the temperature in real time, has the mechanical property that the elongation at break is larger than or equal to 1200%, the hydrophobicity that the contact angle is larger than or equal to 110 degrees, the room-temperature 2-3-hour self-healing capacity and the underwater adhesion strength larger than or equal to 700 N / m, adapts to the air and underwater cross-medium environment, and remarkably improves the reliability and the intelligent level of an amphibious vehicle under the complex working condition.

The invention discloses high-molecular-weight polyacrylamide with strong anti-shearing force and large adsorption area, which is prepared from the following components in parts by weight: 90 to 100 parts of acrylamide, 10 to 15 parts of acrylic acid, 15 to 20 parts of 2-acrylamide-2-methylpropanesulfonic acid, 0.01 to 0.03 part of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 0.1 to 0.3 part of butylated hydroxyanisole, 0.1 to 0.3 part of N, N-dimethylformamide, 0.1 to 0.3 part of N, N-dimethylformamide and the balance of water. The invention discloses a water-based cleaning agent which is prepared from the following components in parts by weight: 0.2 to 0.5 part of N, N '-methylene bisacrylamide, 0.025 to 0.03 part of ammonium persulfate, 0.025 to 0.03 part of sodium hydrogen sulfite, 0.005 to 0.008 part of 2-hydroxyl-4'-(2-hydroxyethoxy)-2-methyl propiophenone and 360 to 375 parts of deionized water. The invention also provides a preparation method and application of the high molecular weight polyacrylamide. The polyacrylamide provided by the invention has strong anti-shearing force and large adsorption area, can more efficiently capture and wrap pollutant particles, and greatly enhances the adsorption capacity and flocculation efficiency of suspended colloids, organic impurities and heavy metal ions.

The invention discloses a preparation method of a washable negative ion fabric, and relates to the technical field of fabrics. The preparation method comprises the following steps: firstly, preparing a polypropylene prepolymer from phenyl propenone and 4-allylbenzoic acid, then preparing modified polypropylene fibers from the polypropylene prepolymer and dopamine, and co-twisting and weaving the modified polypropylene fibers to prepare the antibacterial ultraviolet-proof fabric. Sodium alginate-polyethyleneimine and nano silicon dioxide are mixed to prepare nano silicon dioxide micro-capsules, the nano silicon dioxide micro-capsules and a wood fiber viscose solution are subjected to mixed spinning to prepare negative ion viscose fibers, and the negative ion viscose fibers are co-twisted and woven to prepare the negative ion fabric; and finally, wrapping the antibacterial ultraviolet-proof fabric with the negative ion fabric, and performing hot-pressing compounding to obtain the washable negative ion fabric. The washable negative ion fabric prepared by the invention has good antibacterial property, ultraviolet resistance, washability and stripping resistance.

The invention discloses an anethole synthesis method, and relates to the technical field of fine chemical engineering, and the anethole synthesis method comprises the following steps: 1, taking 4-n-propyl anisole as an initial raw material, and oxidizing the reaction by using air under a solvent-free condition to obtain p-methoxypropiophenone; 2, reducing the p-methoxypropiophenone into 1-(4-methoxyphenyl)-1-propanol by taking aluminum isopropoxide as a catalyst and isopropanol as a reducing agent; and 3, by taking concentrated sulfuric acid as a dehydrating agent, removing hydroxyl of the 1-(4-methoxyphenyl)-1-propanol to obtain anethole. The method has the beneficial effects that air is used for oxidation in the first step, no solvent is used, reaction conditions are simple, post-treatment is convenient, and the reaction conversion rate is high; in the second step, Meerwein-Ponndorf-Verley reduction reaction is used for the first time, dangerous processes such as hydrogenation reduction or hydroboration reduction are avoided, reaction conditions are mild, aftertreatment is simple, and the reaction conversion rate is high.

The invention discloses a self-cleaning wash-free fabric and a preparation method thereof, and relates to the technical field of fabrics. According to the invention, malic acid is utilized to connect each fiber, so that impurities are not easy to enter the fabric, and then malic acid reacts with maleic anhydride and sodium hydrogen sulfite, so that a sulfonic acid group-metal ion bond is formed on a side chain, the antistatic performance is improved, and the fabric is prevented from being stained with dust; the preparation method comprises the following steps: firstly, preparing a modified cotton fabric, then reacting the modified cotton fabric with 2-hydroxylauric acid, R-aminoethyl-B-aminopropyl trimethoxy silane, perfluorooctyltrimethoxy silane and hexamethyldisiloxane, and polymerizing to obtain the modified cotton fabric which has good waterproof and oil-proof properties; 3-amino-4-nitrobenzaldehyde and 3, 4-diamino propiophenone are utilized to form a benzotriazole group, the anti-ultraviolet effect of the fabric is effectively improved, the benzotriazole group, hydroxylamine hydrochloride and 2-bromoethanol generate an oxime ether compound, the growth of bacteria of the fabric is inhibited, epoxy resin is modified and then coated on the surface of the modified cotton fabric, the epoxy resin and the modified cotton fabric are combined through chemical bonds, and the anti-ultraviolet effect of the fabric is improved. The antibacterial property of the fabric is effectively improved.

The invention relates to a crystal form containing an acrylketone biological inhibitor and a preparation method and application thereof. In particular, the present invention relates to a crystal form of a compound represented by general formula (I), a preparation method thereof, a pharmaceutical composition containing a therapeutically effective amount of the salt and / or the crystal form, and a use thereof as an inhibitor in the treatment of cancer.

The application relates to the technical field of organic synthesis, in particular to a synthesis method of a dibenzo-alpha-pyrone compound and application thereof. The synthesis method comprises the following steps: taking a diphenylpropanone compound as a raw material, using an oxidant, a Lewis acid and an oxidation catalyst, and reacting under the condition of an organic solvent and room temperature. The synthesis method takes an easily obtained benzophenone compound as a raw material, prepares the dibenzo-alpha-pyrone compound through one-pot method via Baeyer-Villiger oxidation and Scholl oxidation coupling, the reaction is simple, the condition is mild, and the synthesis method provides a more efficient and green method for preparing bioactive substances such as urolithin a-c.

The invention relates to a single-component water-based high-performance high-resistance anti-corona tape and a preparation method thereof. The invention aims to provide a solvent-resistant, acid-resistant and high-corona-onset-voltage anti-corona tape to realize super-stable performance in a solvent environment. Modified polyester glass fiber cloth serves as a base material, a solvent-resistant coating composed of a composite water-based resin matrix and functional filler is coated, the solvent-resistant coating specifically comprises 10-30% of resin, 50-70% of filler, 0.05-1% of curing agent, 0.4-0.8% of auxiliaries and the like, the formula is subjected to grinding, emulsifying, high-speed dispersing and other processes to be evenly mixed, semi-finished product paint is obtained, and the semi-finished product paint is used for coating the base material. And coating and drying the semi-finished product paint on a coating machine to obtain a stable finished product high-resistance anti-corona belt. Tests show that after the coating is soaked in a toluene-acetone (1: 1) mixed solvent for 72 h, the surface resistivity retention rate is larger than or equal to 95%, the mechanical property is superior to that of the prior art, and the coating is suitable for corona prevention of high-voltage equipment under the extreme solvent working condition.

The invention discloses a hydrogel electrolyte with high strength and toughness and high interface bonding strength, a preparation method of the hydrogel electrolyte and application of the hydrogel electrolyte in a supercapacitor. The hydrogel is prepared by the following steps: dissolving beta-cyclodextrin (beta-CD) and betaine (Bet) in deionized water, sequentially adding acrylic acid (AA), a cross-linking agent N, N '-methylenebisacrylamide (MBA) and a photoinitiator 2-hydroxy-4'-(2-hydroxyethoxy)-2-methyl propiophenone (Irgacure2959), fully mixing, carrying out ultrasonic oscillation, and finishing a polymerization reaction under ultraviolet irradiation, so as to obtain the hydrogel. The hydrogel is soaked in a sulfuric acid solution to obtain a hydrogel electrolyte, and the hydrogel electrolyte and a foamed nickel electrode coated with conductive slurry (activated carbon, carbon black and polyvinylidene fluoride) form the supercapacitor. The supercapacitor assembled by the hydrogel with high strength and toughness and high interface bonding strength not only shows high mechanical strength, but also can realize stable bonding between an electrode and an electrolyte. According to the invention, an effective strategy is provided for the design of the high-practicability hydrogel supercapacitor.

The invention discloses a liquid sample crystallization precipitation real-time detection method based on an intelligent sensor, and relates to the technical field of intelligent sensors, and the method comprises the following steps: 1, combining a liquid sample with a toluene-acetone ratio-adjustable ternary dewaxing medium composed of toluene, acetone and solvent oil according to a predetermined volume ratio, a uniform mixed system is formed in a constant-temperature liquid preparation environment; step 2, putting the mixed system into a sedimentation device; 3, after the external physical field is terminated, standing settlement is conducted on the mixed system, then wavelet analysis is executed to extract a wax precipitation signal, and a wax precipitation end point is judged according to a preset threshold value; 4, separating a wax-containing layer at a wax precipitation end point, and outputting the wax content of the liquid sample; and step 5, taking supernate obtained after standing and settling are finished, and reacting in a water bath to form a yellow complex. The method has the advantages of short detection period, high separation efficiency, accurate signal identification, objective and automatic calculation process and the like.

The invention provides an isobutylbenzene acylation method and device, and the method comprises the following steps: respectively pumping a mixed solution in which a catalyst and a propionylation agent are dissolved and isobutylbenzene into a microreactor, mixing, and carrying out an isobutylbenzene acylation reaction at 50-70 DEG C. The p-isobutyl propiophenone prepared by the method is high in reaction conversion rate, and the yield of the product can reach 83%. Meanwhile, by optimizing process parameters, the reaction efficiency is improved, and the reaction time is shortened.

The invention provides a porous carbon material for adsorbing heavy metals as well as a preparation method and application thereof, and relates to the technical field of adsorbent preparation. The preparation method of the porous carbon material comprises the following steps: S1, adding dopamine hydrochloride and N-hydroxymethyl acrylamide into absolute ethyl alcohol, uniformly stirring, adding concentrated sulfuric acid, reacting, carrying out suction filtration, and washing to be neutral, so as to obtain DTA; s2, adding acrylamide, acrylonitrile, acrylic acid and 3-(acrylamide methyl)-5-benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid into water to obtain a solution system, sequentially adding sodium hydroxide, the intermediate product DTA and 2-hydroxy-4-(2-hydroxyethoxy)-2-methyl propiophenone, carrying out ultrasonic treatment, irradiating under a mercury lamp light source, washing, and freeze-drying to obtain PAAAS-D; and S3, carrying out heating pre-oxidation treatment on the PAAAS-D, and then, carrying out carbonization in an inert atmosphere, so as to obtain the CPAAAS-D. The porous carbon material provided by the invention has abundant active sites and an optimized pore structure, and can efficiently adsorb Fe, Co and Ni heavy metal ions.

The application relates to the technical field of organic synthesis, and particularly discloses a method for efficiently synthesizing 3-chlorophenylacetone. The method comprises the following steps: 1) carrying out an alkaline hydrolysis reaction on m-chlorobenzonitrile, and then carrying out an acidification reaction to prepare m-chlorobenzoic acid; 2) carrying out a condensation reaction on the m-chlorobenzoic acid obtained in the step 1) and propionic acid under the action of a catalyst, then carrying out a decarboxylation reaction by heating, and then removing residual propionic acid by heating; when distillate starts to appear, the distillate is absorbed by a solvent to obtain an absorption liquid, and then the absorption liquid is cooled and crystallized to obtain 3-chlorophenylacetone. The synthesis method has the advantages of high efficiency and low cost.

The invention discloses an antibacterial mildew-proof fiber and a preparation method thereof, and belongs to the technical field of fibers. The preparation method comprises the following steps: polymerizing (3-amino-1-methylpropyl) butyl phosphinic acid, 3-allyl alcohol and 1-butyl-3-methylimidazolium tetrafluoroborate to prepare a modified phosphoric acid solution; dissolving polyethylene in xylene to prepare a polyethylene solution, and reacting with dichloropropene amine, the modified phosphoric acid solution and a peroxidant to generate a modified polyethylene solution; and further reacting with a glycidyl allyl ketone compound to obtain a fiber master batch, and carrying out melt spinning to form the modified fiber. Then, trihydroxymethyl aminomethane and a derivative thereof, metacrylic acid esters and chlorosilane are subjected to a reaction, and an antioxidant and antibacterial gel suspension is prepared; dipping the modified fiber into the antioxidant and antibacterial gel suspension for reaction, and washing and drying to obtain the mildew-proof and antibacterial fiber. The fiber prepared by the invention has excellent antibacterial property, mildew resistance and good mechanical property, and is suitable for the technical field of fibers.

The invention provides a method for preparing a high-purity R-(+)-3-chlorobenzene propanol monospin. The method specifically comprises the following steps: dissolving NaBH4 in ethylene glycol dimethyl ether, sequentially adding N, N-diethylaniline hydrochloride, S-diphenyl amino prolinol and 3-chloropropiophenone, stirring for reaction, adding water for quenching, filtering, and concentrating filtrate under reduced pressure; adding methylbenzene and hydrochloric acid into the concentrated solution, extracting and separating liquid, washing an organic layer with water and a saturated saline solution, drying, filtering, evaporating under reduced pressure to remove a solvent, adding a solvent A and a solvent B into the obtained viscous substance, heating for dissolving, and cooling for crystallization to obtain the product. Wherein the solvent A is one or more of chloroform, dichloroethane, n-heptane, cyclohexane, petroleum ether, acetone and the like; and the solvent B is one or more of methanol, ethanol and isopropanol. The preparation method of R-(+)-3-chlorobenzene propanol provided by the invention is simple in process, the obtained product has high purity while keeping high yield, and a key and stable chiral intermediate is provided for preparing high-quality dapoxetine hydrochloride.