59 results about "Phenyl ketone" patented technology

The invention discloses a UV photocureable coating as well as a preparation method and application thereof in automobiles, and relates to the technical field of coatings. When the UV photocureable coating is prepared, 4-aminophenylboronic acid is dehydrated to prepare aminated boron oxygen six-ring; carrying out a reaction on the aminated boroxane and diallyl chlorophosphate to prepare functionalized boroxane; the preparation method comprises the following steps: sequentially reacting graphene oxide with 3-chloropropyltriethoxysilane and 1, 3-diallyl-1, 3, 5-triazine-2, 4, 6-triketone, so as to obtain modified graphene; the preparation method comprises the following steps: reacting epoxy resin with 2-butenal thiosemicarbazone to prepare modified epoxy resin; and uniformly mixing the modified epoxy resin, the epoxy acrylate resin, the modified graphene, the functionalized boroxane, the 1, 6-hexanediol diacrylate and the 1-hydroxycyclohexyl phenyl ketone, so as to obtain the UV photocureable coating. The UV photocureable coating prepared by the invention has excellent flame retardant, self-repairing and mechanical properties.

The invention discloses an aluminum substrate UV matt finish paint and a preparation process thereof, and relates to the technical field of paints.The aluminum substrate UV matt finish paint is prepared from, by mass, 10%-20% of modified polyurethane acrylate, 25%-32% of high-functionality aliphatic polyurethane acrylate, 18%-30% of special modified epoxy acrylate resin, 0.5%-2% of dispersing agent, 0.1%-0.5% of defoaming agent, 1%-3% of anti-settling powder and the balance water. The paint is prepared from the following components in percentage by weight: 10 to 15 percent of magnesium silicate mineral, 1 to 10 percent of matting powder, 0.2 to 1 percent of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 3 percent of trimethylbenzoyl-diphenyl phosphine oxide, 1 to 3 percent of acrylate flatting agent, 0.2 to 1.2 percent of polyurea modified polyurethane rheological agent and 5 to 15 percent of trimethylolpropane triacrylate. According to the UV matte finishing paint disclosed by the invention, through compounding of ternary resin and enhancement of nano silicon dioxide, a rigid and tough cross-linked network is constructed, a paint film is free of cracks when being bent at 180 degrees, the adhesive force reaches grade 0, and a coating is resistant to acid and alkali etching liquid and free of corrosion by cooperating with a silane coupling agent and a light stabilization system, and the color difference is delta Elt after the UV matte finishing paint is subjected to high temperature of 260 DEG C; and 1.5, the anti-yellowing performance is excellent.

The invention provides lithium ion selective resin containing alkoxy grafted 2-hydroxybenzophenone (or aldehyde) functional groups as well as a preparation method and application of the lithium ion selective resin. The lithium ion selective resin disclosed by the invention has very strong chemical structure stability and high lithium-sodium separation factor in a wide pH range.

The invention discloses a preparation method of silicone rubber and the silicone rubber, and belongs to the field of silicone rubber. The preparation method comprises the following steps: dispersing fumed silica in an acid solution to obtain a fumed silica solution, dispersing chitosan in a dilute acid solution to obtain a chitosan solution, mixing the fumed silica solution and the chitosan solution, stirring, centrifuging, washing and drying to obtain a coated product; mixing the coated product, magnesium hydroxide, raw rubber, a cross-linking agent, a vulcanizing agent and a catalyst, heating and kneading, and vacuumizing to obtain initial silicone rubber; the preparation method comprises the following steps: dissolving 1-hydroxycyclohexyl phenyl ketone into an organic solvent to obtain a solution A, mixing acrylic acid, phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide and titanium dioxide to obtain a solution B, soaking initial silicone rubber into the solution A, taking out, airing, soaking into the solution B, and carrying out ultraviolet curing, cleaning and airing to obtain the silicone rubber. The heat-conducting property, the mechanical property and the wet friction property of the silicone rubber are greatly improved.

The invention belongs to the technical field of UV visbreaking polymers, and particularly relates to a UV visbreaking film and a preparation method thereof. Wherein the UV viscosity-reducing film sequentially comprises a base film (1), a first viscosity-reducing adhesive layer (5), a second viscosity-reducing adhesive layer (4) and a release film (3) from bottom to top, the first viscosity-reducing adhesive layer (5) and the second viscosity-reducing adhesive layer (4) both comprise a photoinitiator, the photoinitiator in the first viscosity-reducing adhesive layer (5) is 1-hydroxy-cyclohexyl phenyl ketone, and the content of the photoinitiator in the formula of the adhesive layer is 0.1%-10% by mass; a photoinitiator in the second viscosity-reducing adhesive layer (4) is bis (2, 4, 6-trimethylbenzoyl) phenyl phosphine oxide, and the content of the photoinitiator in the adhesive layer formula is 0.1-10% by mass; in the preparation method, ultraviolet irradiation precuring is carried out, so that the UV viscosity-reducing film has light selectivity and high cohesion strength, and the residual adhesive is remarkably reduced.

Compositions and methods for effecting base editing to correct mutations in the phenylalanine hydroxylase gene, thereby curing phenylketonuria, are disclosed.

Suggested is a synergistic antimicrobial mixture comprising a hydroxyacetophenone and one additional antimicrobial agent. The mixture is particular useful for fighting Aspergillus brasiliensis.

The invention relates to a process for degrading one or more hydrocarbon compounds in an aqueous solution. The one or more hydrocarbons comprise at least one of phenol, methyl phenyl ketone and methyl phenyl methanol. The degradation process is carried out in two or more continuously operating bioelectrochemical cells, thereby defining at least one upstream bioelectrochemical cell and one downstream bioelectrochemical cell, and the applied voltage of each bioelectrochemical cell is different. The bioelectrochemical cell includes a microbial culture. The one or more hydrocarbon compounds are converted at the anode to produce carbon dioxide, protons, and optional degradation products. At the cathode, the carbon dioxide and / or optional degradation products react with the protons to produce methane. A treated aqueous solution having a reduced content of the one or more hydrocarbon compounds is thus obtained.

The invention discloses an ultraviolet-cured polyurethane bonding material and a preparation method thereof. The ultraviolet-cured polyurethane bonding material comprises the following main components: isocyanate, polyol, trihydroxy polyether, polyester, a resin material, a filler, a catalyst, a modifier, a monomer and a solvent. The phenyl ketone, the aromatic ketone, the benzylidene and the photosensitive resin are added into the ultraviolet curing polyurethane bonding material, so that the ultraviolet curing polyurethane bonding material has relatively high sensitivity and activity, can be subjected to a polymerization reaction quickly under light irradiation, can reduce energy consumption, is good in stability, is convenient to store for a long time, and can be applied to the field of ultraviolet curing. According to the present invention, the initiator has characteristics of no toxicity, no odor and no harm to the human body, the absorption spectrum is matched with the emission band of the radiation light source, the molar extinction coefficient is high, and the phenyl ketone, the aromatic ketone and the benzylidene absorb the light energy, transition to the excitation singlet state and intersystem jump to the excitation triplet state so as to provide the high intersystem jump efficiency of the initiator;

The present invention discloses a glass ceramic metallization UV vacuum plating coating and a preparation process thereof, and relates to the technical field of coatings, the glass ceramic metallization UV vacuum plating coating comprises the following components by mass: 5-20 parts of a 2-functional special modified epoxy acrylate resin, 5-10 parts of a 2-functional aliphatic polyurethane acrylate resin, 2-5 parts of a 6-functional aliphatic polyurethane acrylate resin, 5-15 parts of a polyester acrylic resin, 5-10 parts of an acrylic resin, and the balance of a solvent. The coating is prepared from the following components in parts by weight: 10 to 13 parts of trifunctional acrylate monomer, 2 to 5 parts of monofunctional acrylate monomer, 1 to 3 parts of phosphate, 2 to 5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 2 parts of benzoin dimethyl ether, 0.1 to 0.3 part of flatting agent, 20 to 30 parts of ethyl acetate, 10 to 20 parts of butyl acetate and 5 to 10 parts of propylene glycol methyl ether acetate. The epoxy acrylate oligomer, the aliphatic polyurethane acrylate and the polyester acrylate which are high in performance and mature in process are mainly selected as main film forming substances and are good in miscibility, a cured paint film is high in compactness and good in developability, and a trifunctional acrylate monomer is matched and is high in reactivity, so that the film forming effect is good. The high crosslinking density ensures that a paint film has enough brightness and fullness so as to ensure the physical and chemical properties of a product, and meanwhile, the constructability such as a leveling effect is improved.

The invention relates to a multilayer release film and a preparation method thereof, and relates to the technical field of release film preparation. The preparation method comprises the following steps: dispersing epoxy acrylate, polyethylene glycol diacrylate and hydroxyethyl acrylate in a solvent, adding a composite photoinitiator, carrying out a reaction in a dark place, adding isophorone diisocyanate to obtain first slurry, coating the surface of a base material, and carrying out an illumination reaction to obtain a bottom layer; mixing polyvinyl alcohol and Ti3C2F to obtain a mixed solution, separating to take a solid phase, dispersing the solid phase in a solvent, mixing the solid phase with a polyamide acid solution to obtain second slurry, and coating the surface of the bottom layer to obtain a transition interlayer; dispersing polyurethane acrylate, polytetrahydrofuran acrylate, allyl laurate and 1-hydroxycyclohexyl phenyl ketone in a solvent, adding hydrogenated diphenylmethane diisocyanate to obtain third slurry, and coating the surface of the transition interlayer with the third slurry to form a surface layer to obtain the multi-layer release film. According to the invention, polyvinyl alcohol-Ti3C2F is introduced to form a physical barrier, moisture permeation is hindered, the moisture resistance of the release film in a humid environment is improved, and the damage of water to the structure and performance of the film is reduced.

This invention relates to the field of automotive exhaust pipe coating preparation technology, specifically disclosing a surface coating agent for automotive exhaust pipe gaskets and its preparation method. The preparation method involves adding acetone, polyvinyl alcohol, and benzophenone tetracarboxylic dianhydride to a reaction vessel in a specific ratio for esterification to obtain an ester solution. Alkali solution and epoxy resin are then added to the ester solution and reacted for 2-4 hours to obtain a water-based epoxy emulsifier. The water-based epoxy emulsifier and epoxy resin are then reacted under preset conditions to obtain a water-based epoxy resin emulsion. The water-based epoxy resin emulsion, filler, dispersant, and thickener are then added to the reaction vessel and mixed thoroughly. A stabilizer and defoamer are added and mixed again to obtain the surface coating agent for automotive exhaust pipe gaskets. Compared with existing technologies, the surface coating agent obtained by this invention, together with the curing agent, improves coating adhesion while preventing the formation of pores and pinholes in the obtained coating structure, enhancing the coating's corrosion resistance and density, thereby improving the gasket's acid and water resistance.

The present disclosure provides a lithium ion selective resin containing an alkoxy grafted 2-hydroxybenzophenone (or aldehyde) based functional group, and a preparation method and application thereof. The lithium ion selective resin of the present disclosure has strong chemical structure stability and high lithium-sodium separation factor in a wide pH range.

The invention provides a photoresist composition based on carbon quantum dots as well as a preparation method and application thereof. The photoresist composition comprises carbon quantum dots, a photosensitizer, an anti-diffusion agent and a photoresist solvent. The particle size of the carbon quantum dot is 2-10nm, and the surface is modified by functional groups. The photosensitizer is alpha-hydroxyethyl phenyl ketone and the like, the anti-diffusion agent is n-amyl alcohol and the like, and the photoresist solvent is an organic solvent such as methylbenzene and the like. The preparation method comprises the step of preparing the carbon quantum dots. The photoresist based on the carbon quantum dots prepared in the invention has higher resolution (up to sub-100nm), good patterning ability and excellent photoelectric properties, can form photoetching patterns through spin coating, exposure, development and other processes, is suitable for ultraviolet, extreme ultraviolet and electron beam photoetching, and can meet various micro-nano processing requirements.

The invention relates to the technical field of anti-tumor pharmacy. Specifically, the invention relates to an anti-tumor activity application of a compound with a structure as shown in a formula I. In-vitro MTT (3-(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide) antitumor activity evaluation finds that the compound shown in the formula I has a remarkable inhibiting effect on the growth of human colorectal cancer HCT116 and human breast cancer cells MCF-7. The anti-tumor activity of the compound with the structure shown in the formula I is disclosed for the first time, and the compound can be used for preparing medicines for resisting colorectal cancer and other tumors and has good development and application prospects. .

The invention is suitable for the technical field of water-based oligomers, and particularly relates to a special water-based oligomer and a preparation method thereof, and the special water-based oligomer comprises the following components: 78-90% of a monomer raw material; 0.9%-8.5% of an emulsifier; 1.5%-9% of an initiator; 2%-7% of a stabilizer; wherein the monomer raw material comprises the following components: 27%-31.9% of deionized water; 16.8% to 19.6% of acrylic acid; 15.5% to 17.9% of methacrylic acid; 18.7% to 20.6% of styrene; wherein the emulsifier comprises lauryl sodium sulfate or nonylphenol polyoxyethylene ether, and the weight ratio of the emulsifier to the lauryl sodium sulfate or the nonylphenol polyoxyethylene ether is 0.9%-8.5%; wherein the initiator comprises phenyl ethyl phenyl ketone, ammonium persulfate or azodiisobutyronitrile, and the weight ratio of the initiator to the azodiisobutyronitrile is 1.5%-9%. The special water-based oligomer provided by the invention can be smoothly reacted in a water-based system during preparation, and stable free radicals can be provided under different temperature and pH conditions, so that the controllability and repeatability of a polymerization reaction are improved.

The invention belongs to the technical field of pavement maintenance materials, and particularly relates to an ultraviolet curing asphalt slurry seal material. The paint is prepared from the following components in parts by weight: 20-33 parts of decolorized asphalt, 2-8 parts of an ultraviolet curing resin system, 4-8 parts of diesel oil and 58-72 parts of mineral powder, wherein the ultraviolet curing resin system is prepared from the following components in parts by weight: 50-65 parts of polyurethane acrylic resin, 30-45 parts of acryloylmorpholine, 0.8-3 parts of 1-hydroxycyclohexyl phenyl ketone and 0.6-2 parts of dimethylethanolamine. The ultraviolet curing asphalt slurry seal material can be rapidly cured under ultraviolet irradiation, a hard coating is generally formed within several minutes to ten minutes, and the construction time is remarkably shortened, so that the interference time of a construction site is greatly shortened, the traffic efficiency of a road is favorably improved, and the influence on traffic is reduced.

Compositions and methods for effecting base editing to correct mutations in the phenylalanine hydroxylase gene, thereby curing phenylketonuria, are disclosed.

The application relates to a kind of 2H-chromene phenyl ketone derivatives of double halogen substitution and preparation method and application thereof, belong to the technical field of organic room temperature phosphor material technology.The preparation method of derivative of the application comprises the following steps: (1) under inert gas protection, with halogenated salicylaldehyde and 1-(3-bromine prop-1-alkyne-1-yl) halogenated benzene as raw material, potassium carbonate as base, acetonitrile as solvent, reflux reaction is carried out, the reaction solution is extracted, dried, column chromatography separation, and intermediate 1 is obtained; (2) under inert gas protection, intermediate 1 is dissolved in dichloromethane, boron trifluoride ether is added, and stirring reaction is carried out, and the reaction solution is extracted, dried, column chromatography separation, and the application is obtained.The synthesis route of derivative of the application is simple, high in yield, easy to purify, and the prepared room temperature phosphor material can be widely applied in the field of organic light emitting diode, information encryption, biological imaging and optical sensing.

The invention discloses an enhanced OCA (Optical Clear Adhesive) as well as a preparation method and application thereof, and belongs to the technical field of modification and application of high polymer materials. The method comprises the following steps: (1) uniformly mixing an acrylic monomer, a cross-linking agent polyfunctional double-bond acrylate, a solvent, an initiator, a free radical scavenger and a modifier in proportion in sequence, and reacting to obtain a polymer; and (2) mixing the polymer, 1-hydroxycyclohexyl phenyl ketone, a cross-linking agent, isopropanol and / or acetonitrile, baking, pressurizing to remove bubbles, and covering with a light release film to obtain the OCA optical cement. The actual application scene is simulated, and the UV aging test proves that the OCA optical cement is excellent in filling performance. The invention can provide the preparation method of the enhanced OCA optical adhesive, and according to the method, by optimizing a formula and a process, the adhesive property, the durability and the capability of adapting to a complex structure of a product are improved.

Disclosed are a lithium ion selective resin containing alkoxy grafted 2-hydroxybenzophenone (or aldehyde) functional groups, a preparation method therefor, and the use thereof. The lithium ion selective resin of the present disclosure has a high lithium-sodium separation factor and very strong chemical structural stability over a wide pH range.

The application belongs to the technical field of organic synthesis, and particularly relates to a preparation method of a phenyl ketone amide compound. The preparation method of the phenyl ketone amide compound comprises the following steps: phenyl acylsilicon compound 1 and amide compound 2 are used as raw materials, a catalyst is added, and the phenyl ketone amide compound 3 is prepared by reacting in a first solvent. The reaction steps are short and efficient, the atomic utilization rate is higher, the yield of the obtained product is higher, the reaction condition is mild, the substrate range is wide, and the method is more suitable for industrial production.

The invention is directed to a process for the degradation of one or more hydrocarbons as present in an aqueous feed solution, wherein the one or more hydrocarbons are at least one of phenol, methyl phenyl ketone and methyl phenyl carbinol. The degradation takes place in a series of two or more continuously operated bio-electrochemical cells thereby defining at least one upstream bio-electrochemical cell and one downstream bio-electrochemical cell and wherein an applied cell voltage in each bio-electrochemical cell is different. The bio-electrochemical cell comprises a culture of microorganisms. The one or more hydrocarbons are converted at the anode whereby carbon dioxide, protons and optionally degradation products are formed. At the cathode carbon dioxide and / or the optional degradation products are reacted with the protons to methane. A treated aqueous solution is so obtained having a reduced content of the one or more hydrocarbons.

The invention relates to a method for improving quality control of a dopamine hydrochloride injection, which comprises the following steps: injecting a test solution of the dopamine hydrochloride injection into a high performance liquid chromatograph to separate and detect related substances in the dopamine hydrochloride injection, gradient elution is adopted, and the elution time is controlled within 35-45 minutes, and the mobile phase B accounts for 80-100% of the total volume of the mobile phase. The method disclosed by the invention can be used for simultaneously detecting seven impurities in the dopamine hydrochloride injection, especially impurity F and [4-(2-aminoethyl) phenyl] phenyl ketone, and has good sensitivity and separation degree.

Resins for use in toys and methods for making the same are provided. In preferred embodiments, the resins comprise 30% to 55% w / w of Ethoxylated (10) Bisphenol A Diacrylate; 20% to 35% w / w of 1,3-Hexanediol, 2-ethyl-, polymer with 1,6-diisocyanatohexane, 2-hydroxyethyl acrylate- and propylene glycol monoacrylate-blocked; 20% to 30% w / w of Hexanedioic acid, polymer with 1,2-ethanediol and 5-isocyanato-1-(isocyanatometheyl)-1,3,3-trimethylcyclohexane, 2-hydroxyethyl acrylate-blocked; 1.9%±0.5% w / w of 1-Hydroxycyclohexyl phenyl ketone; 0.43%±0.05% w / w of Ethyl trimethylbenzoyl phenylphosphinate; 0.07±0.05% w / w of Diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide; and less than 0.19% w / w of 2-hydroxyethyl acrylate.

The invention discloses a long-life optical adhesive for bonding and a production process thereof. The optical adhesive comprises the following raw materials in parts by weight: 80-100 parts of modified acrylate prepolymer, 10-15 parts of 3,9-diethyl-3',9'-dihydroxymethyl-1,5,7,11-tetraoxaspiro[5,5]undecane, 1-3 parts of a blue light absorber, 3-5 parts of 1-hydroxycyclohexylphenyl ketone and 50-80 parts of xylene. The expansion monomer in the optical adhesive and the spirocyclic orthocarbonate structure on the modified acrylic prepolymer generate free radicals through photochemical reaction, and the free radicals trigger the polymerization reaction of the monomers to cause volume expansion, thereby filling tiny gaps and unevenness on the surface of a substrate, thereby increasing the contact area between the optical adhesive and the substrate, and at the same time increasing the number and density of crosslinking points in the polymer network, improving the bonding strength, and the triazine skeleton structure, increasing the light resistance effect of the optical adhesive, thereby improving the service life.

The invention discloses a preparation method of a UV visbreaking acrylic pressure-sensitive adhesive, and belongs to the field of curing coatings. The preparation method comprises the following steps: respectively reacting an acrylate monomer with an initiator and a solvent to prepare a mixture A and a fluorine-containing mixture B, mixing the mixture A and the fluorine-containing mixture B, adding a cross-linking agent and a photoinitiator, and stirring to prepare the pressure-sensitive adhesive. According to the method, toluene and ethyl acetate are preferably used as solvents, azodiisobutyronitrile is used as an initiator, and N-hydroxymethyl acrylamide and 1-hydroxycyclohexyl phenyl ketone are respectively used as a cross-linking agent and a photoinitiator. The preparation method does not need to add a polyfunctional group diluent, so that the problem of poor compatibility is solved; by optimizing the formula, the initial adhesion is improved, and the residual glue is reduced; the fluorine-containing component endows the adhesive layer with hydrophobicity, and the anti-fouling performance is improved. By reasonably designing the molecular structure and the formula, the problems of poor compatibility, insufficient initial adhesion, insufficient adhesive residue, insufficient surface cleanliness and the like of the existing UV visbreaking acrylic pressure-sensitive adhesive are effectively solved.

Disclosed herein are methods for preparing tertiary alcohols from optionally substituted phenyl ketones or optionally substituted pyridyl ketones, the methods comprising the use of chiral ligands and boron trifluoride etherate. The tertiary alcohols can be used to prepare synthetic forms of natural products and / or drugs.

The invention discloses a polymer antifouling coating as well as a preparation method and application thereof. The method comprises the steps of surface cleaning, preparation of a monomer solution, addition of a cross-linking agent and a photoinitiator, degassing treatment, spraying, ultraviolet irradiation, leaching, surface modification, drying and the like. According to the preparation method, ethylene glycol diacrylate (EGDA) and 2, 2-dimethoxy-2-phenylacetylbenzophenone (DMPAP) are used as a cross-linking agent and a photoinitiator, and trifluoroethanol (TFE) and perfluorooctane (PFO) are combined as solvents, so that a polymer coating with excellent antifouling performance can be prepared. After the coating is subjected to plasma treatment and chemical modification, the adhesive force and the antifouling effect can be remarkably improved, and the coating is suitable for steel plate protection in the marine environment. The application of the novel polymer antifouling coating is not limited to improvement of the antifouling performance of marine facilities, but also can be expanded to a plurality of high-tech fields such as medical health, environmental monitoring, energy production and military defense.

The application discloses a kind of UV solidification degradable polyester acrylate pressure-sensitive adhesive and preparation method thereof, belong to adhesive technical field.The pressure-sensitive adhesive with acryloyl ε-caprolactone, lactide and triethylene carbonate ring-opening random copolymer as prepolymer, with bio-based castor oil acrylate active diluent, conventional acrylate active diluent, multi-functional acrylate as active crosslinking diluent, phenyl bis (2, 4, 6-trimethyl benzoyl) phosphine oxide and 1-hydroxycyclohexyl phenyl ketone etc. are prepared into UV solidification as photoinitiator.The pressure-sensitive adhesive mass fraction is composed of: degradable polyester acrylate accounts for 50-75wt%;Castor oil-based acrylate accounts for 5-30wt%;Active diluent accounts for 0.5-20wt%;Photoinitiator accounts for 1-5wt%.The pressure-sensitive adhesive has high adhesion, and is suitable for bonding performance requirement is high, degradable occasion.