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28 results about "Phenyl ketone" patented technology

UV matt finish paint for aluminum substrate and preparation process of UV matt finish paint

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.
Owner:HUIZHOU CHANGRUNFA PAINT

UV (ultraviolet) viscosity-reduced film and preparation method thereof

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.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY +1

Multilayer release film and preparation method thereof

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.
Owner:JIANGYIN HUAMEI PHOTOELECTRIC SCI & TECH CO LTD

A surface coating agent for automotive exhaust pipe sealing gaskets and its preparation method

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.
Owner:GUILIN JINGU NEW MATERIAL CO LTD

Anti-tumor application of diaminothiazole phenyl ketone compound

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. .
Owner:CHENGDU UNIV

Ultraviolet curing asphalt slurry seal material

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.
Owner:TIANJIN CHENGJIAN UNIV

A dihalogen-substituted 2H-chromenyl phenone derivative, a preparation method and application thereof

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.
Owner:HAINAN UNIV

A method for preparing a phenyl ketone amide compound

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.
Owner:HUAIBEI NORMAL UNIVERSITY

Process for the degradation of one or more hydrocarbons

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.
Owner:PAQELL

Resins for use in toys and methods of making the same

ActiveUS12678704B1Polymer scienceMeth-
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.
Owner:MGA ENTERTAINMENT INC

Chiral synthesis of tertiary alcohols

ActiveCN114829343BAlcoholNatural product
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.
Owner:RECURIUM IP HLDG LLC

A uv-curable degradable polyester acrylate pressure sensitive adhesive and a method for preparing the same

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.
Owner:ZHEJIANG HUIKE PAPER PLASTIC PROD CO LTD

Photocuring-moisture curing dual-response pipeline lining repair resin and synthesis method thereof, lining hose and preparation method and construction method thereof

The invention belongs to the technical field of pipeline repair materials, and particularly relates to photocuring-moisture curing dual-response type pipeline lining repair resin and a synthesis method thereof, a lining hose and a preparation method and a construction method thereof. The repair resin comprises the following components in parts by weight: 40-60 parts of matrix resin A; 20 to 35 parts of matrix resin B; 10 to 20 parts of a reactive diluent; 1.5 to 3.0 parts of a photoinitiator A; 0.5 to 1.5 parts of a photoinitiator B; 0.05 to 0.2 part of a moisture sensitive accelerant; 0.5 to 2.0 parts of a coupling agent; 1.0 to 3.0 parts of a thixotropic agent; 0.2 to 0.5 part of an antioxidant; wherein the matrix resin A is an aliphatic polyurethane acrylate prepolymer; the matrix resin B is an isocyanate terminated polyether prepolymer; the photoinitiator A is 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide; and the photoinitiator B is 1-hydroxycyclohexyl phenyl ketone. The invention provides photocuring-moisture curing dual-response type pipeline lining repairing resin and a synthesis method thereof, a lining hose and a preparation method and a construction method thereof.
Owner:CHINA MCC5 GROUP CORP LTD

A composition for tissue transparency and a method for preparing the same, a kit and a method for tissue transparency treatment

PendingCN122631400AXylyleneTissue staining
The application discloses a kind of tissue transparentization compositions and preparation method thereof, wherein composition includes: transparentization medium, basic neutralizing agent, aqueous solvent, amphiphilic transition solvent and refractive index regulator, the transparentization medium is any one or several of surifenone, surifenone salt, p-xylylene dicyclohexanesulfonic acid and its salt or 2-phenyl benzimidazole-5-sulfonic acid and its salt, basic neutralizing agent is used to neutralize acidic group in transparentization medium to form clear homogeneous system;Refractive index regulator is used to adjust the refractive index of composition to the range matched with the target refractive index of the tissue to be treated.The composition of the application can realize the rapid transparentization of living tissue, and after flushing with PBS buffer, the transparentization effect can realize a certain degree of reversal, and the whole process does not cause tissue staining, which is beneficial to subsequent imaging analysis.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Application of aqueous electrolyte with adjustable relaxation time to zinc metal anode and zinc battery

The application relates to the field of electrochemistry, and specifically discloses a water-based electrolyte with adjustable relaxation time, which comprises small-molecule ketone substances as electrolyte additives, is used for inhibiting the growth of zinc dendrites and the occurrence of hydrogen evolution and other adverse side reactions generated in the cycle of a water-based zinc battery, and further significantly improves the electrochemical performance of the water-based zinc battery. The small-molecule ketone substances include indantrione, furanone, ginger ketone, phenyl ketone, tea aroma ketone or triazolone. By using the ketone small molecules containing lone pair electron groups, the double electric layer between the solid-liquid interface is restructured to ensure the uniform distribution of zinc ion concentration, and the hydrogen in the water molecules is attracted by the carbonyl oxygen atoms of the ketone small molecules, so that the reaction activity of water is effectively inhibited, the hydrogen evolution side reaction is reduced, and finally the zinc battery with excellent rate performance (30 mAcm ‑2 ) and super-long cycle life (1500 hours) is realized.
Owner:GUANGDONG UNIV OF TECH

Synthesis method of 3-monosubstituted indole-2-ketone compound

The invention relates to the technical field of organic synthesis, and particularly discloses a synthesis method of a 3-monosubstituted indole-2-ketone compound. The method comprises the following steps: mixing 2-(formylamino) phenyl ketone serving as a reaction raw material with a reducing agent in a molybdenum / o-quinone catalytic system, dissolving the mixture in an organic solvent, heating and stirring under a nitrogen protection condition, and synthesizing the 3-monosubstituted indole-2-ketone compound through an intramolecular deoxidation ring reaction. The method has the characteristics of simple and easily available raw materials, wide compatibility of functional groups, capability of realizing amplified-scale synthesis and the like.
Owner:CHANGZHOU UNIV

High-reliability UTG folding cover plate and preparation process thereof

The invention relates to the technical field of flexible display materials, and discloses a high-reliability UTG folding cover plate which sequentially comprises an UTG base layer, a functional composite adhesive layer, an AR antireflection film layer and an AF anti-fingerprint film layer from inside to outside. The UTG base layer is high aluminosilicate ultra-thin glass with the thickness of 30-50 micrometers, the visible light transmittance is larger than or equal to 92%, the bending strength is larger than or equal to 600 MPa, basic support and flexibility are provided for the cover plate, the functional composite adhesive layer is the core of the cover plate, the thickness of the functional composite adhesive layer is 35-45 micrometers, and the thickness of the functional composite adhesive layer is 30-50 micrometers. The coating is formed by carrying out photocuring on an acrylic polyurethane prepolymer, nano silicon dioxide microspheres modified by a silane coupling agent, hydroxyethyl methylacrylate, a flatting agent / defoaming agent, bornyl methacrylate and a photoinitiator 1-hydroxycyclohexyl phenyl ketone, wherein the acrylic polyurethane prepolymer, the nano silicon dioxide microspheres modified by the silane coupling agent, the hydroxyethyl methylacrylate, the flatting agent / defoaming agent, the bornyl methacrylate and the photoinitiator 1-hydroxycyclohexyl phenyl ketone are subjected to photocuring; the invention provides the UTG folding cover plate with high folding resistance, high scraping resistance, high light transmission and excellent preparation yield and the preparation process thereof.
Owner:SUZHOU YUNHONG PLASTIC

Composition for cleansing and / or removing makeups from keratin materials

PCT designated stageWO2026137166A1Polymer scienceActive agent
Provided is a composition, preferably for cleansing and / or removing makeups from keratin materials, comprising: (i) at least one N-acyl amino acid surfactant; (ii) vanillin and / or a derivative thereof; and (iii) at least one hydroxy-substituted alkyl phenyl ketone. Also provided is a process for cleansing and / or removing makeups from keratin materials, in particular the skin, comprising applying to the keratin materials, in particular the skin, of the composition according to the present invention, and rinsing off said composition after an optional period of time.
Owner:LOREAL SA +1

Water-based environment-friendly coating and preparation method thereof

The application discloses an aqueous environment-friendly paint and a preparation method thereof. The aqueous environment-friendly paint comprises the following raw materials in parts by weight: 100-120 parts of polyurethane emulsion, 0.05-0.1 parts of defoaming agent, 1.5-3 parts of dispersing agent, 15-20 parts of modified filler, 3-5 parts of 1-hydroxycyclohexyl phenyl ketone, 20-30 parts of methyl methacrylate and 10-20 parts of water. The surface of the modified filler contains long-chain organosilicon segments, so that a hydrophobic film can be formed after the paint film is dried; the presence of a silicon dioxide matrix can prevent water from directly contacting polyurethane molecular segments, thereby increasing the water resistance of the paint film. The modified monomer has a hyperbranched structure and contains organosilicon segments on a molecular chain; meanwhile, long-chain alkenes of side chains can be grafted with methyl methacrylate and double bonds on the modified filler when irradiated by ultraviolet light, thereby forming new crosslinking sites on the surface of the paint film, increasing the compactness of the hydrophobic film and further improving the water resistance.
Owner:SHANXI ZHONGXIN QIYUAN PAINT CO LTD

High-transparency manganese-based halide luminous organogel and preparation method thereof

The invention discloses a high-transparency manganese-based halide luminescent organogel and a preparation method thereof, and the preparation method comprises the following steps: dissolving manganese bromide and isoamyl triphenyl phosphonium bromide in 1-vinyl-2-pyrrolidone to obtain a mixture; adding 1-hydroxycyclohexyl phenyl ketone into the mixture, and carrying out ultrasonic treatment to obtain a transparent solution; and carrying out a photocuring reaction on the transparent solution to obtain the high-transparency manganese-based halide luminous organogel. According to the preparation method, all the raw materials are directly mixed to prepare a uniform and transparent solution, under the irradiation of ultraviolet light, polymerization reaction of monomers is synchronously realized to form a high-transmittance gel network and in-situ generation of a manganese-based halide light-emitting unit, and finally, the amorphous manganese-based halide light-emitting organic gel with high transparency is obtained.
Owner:UNIV OF JINAN

Lithium extraction extractant and application method thereof

The invention discloses a lithium extraction agent and an application method thereof. According to the formula of the lithium extraction agent, LIX54 is matched with isopropyl phenyl ketone, tributyl phosphate (TBP) is matched with tripropyl phosphate (TPP), sulfonated kerosene is matched with petroleum ether and n-heptane, absolute ethyl alcohol is matched with butyl acetate and isopropyl alcohol, and all the components are mixed according to a specific proportion to form a uniform system. The lithium extraction extractant is specially adapted to an oscillatory flow reinforced sleeve type reactor, the emulsification phenomenon in the extraction process can be effectively inhibited, the problem that the sleeve extraction efficiency is weakened is solved, two phases are clearly layered in the extraction process, a phase splitting section in a traditional extraction process is not needed, the technological process is greatly shortened, and the production cost is saved. The extraction agent is used for extracting lithium in the lithium-containing mother liquor, the lithium extraction rate can reach 99% or above, the reverse extraction rate can reach 98% or above, the mass transfer efficiency is remarkably improved, and the extraction agent is suitable for industrial lithium recovery of lithium-containing feed liquid such as salt lake brine and battery recovery wastewater.
Owner:FUZHOU UNIV +1

CLEANSING AND / OR MAKE-UP REMOVAL COMPOSITION FOR KERATINOUS MATERIALS

PendingFR3170290A3Active agentAcyl group
CLEANSING AND / OR MAKE-UP REMOVER COMPOSITION FOR KERATINOUS MATERIALS The present invention relates to a composition, preferably for cleansing and / or removing makeup from keratinous materials, comprising: (i) at least one N-acyl amino acid surfactant; (ii) vanillin and / or one of its derivatives; and (iii) at least one hydroxy-substituted alkyl phenyl ketone. The present invention also relates to a method for cleansing and / or removing makeup from keratinous materials, particularly skin, comprising applying the composition according to the present invention to the keratinous materials, particularly skin, and rinsing off said composition after an optional period. Figure for the abstract: none
Owner:LOREAL SA

Preparation method of 3-methyl-3-carboxyl-1-oxetane

The invention discloses a preparation method of 3-methyl-3-carboxyl-1-oxetane, and belongs to the technical field of synthesis of medical intermediates. The preparation method comprises the following steps: enabling 3-methyl-3-hydroxymethyl oxetane to pass through a hydrogen transfer reagent under the action of 1-hydroxycyclohexyl phenyl ketone and alkali in a non-polar solvent, so as to obtain the 3-methyl-3-carboxyl-1-oxetane. The novel hydrogen transfer reagent is adopted for hydrogen transfer reaction, carboxylic acid is prepared from hydroxyl, the method belongs to a hydrogen transfer-based carboxylic acid chemical synthesis method, the problems that traditional oxidants such as chromium salt, potassium permanganate and a hypervalent iodine reagent are high in toxicity and poor in selectivity or need to be excessively used are solved, operation is easy, the yield is high, and the method is suitable for industrial production. The hydrogen transfer reagent can be recycled, and the economical efficiency is good.
Owner:SUZHOU HUAGUAN BIOTECHNOLOGY CO LTD

(1, 2-dihydroquinoline-3-yl) phenyl ketone derivative as well as preparation method and application thereof

The invention belongs to the field of medicinal chemistry, and discloses a (1, 2-dihydroquinoline-3-yl) phenyl ketone derivative as well as a preparation method and application thereof. The structural general formula of the (1, 2-dihydroquinoline-3-yl) phenyl ketone derivative disclosed by the invention is as shown in a formula (I), wherein R1 is H or Me, and R2 is H, F, OMe, Me or Ph. The compound interferes with microtubule dynamic balance and inhibits proliferation of tumor cells, and can be used for preparing medicines for treating malignant tumors caused by imbalance of microtubule dynamic balance.
Owner:PUYANG ZHONGYI PHARMA CO LTD

A method for preparing a uv-debondable acrylic pressure sensitive adhesive

The application discloses a preparation method of UV tack-reducing acrylic pressure-sensitive adhesive, and belongs to the field of curing coating. The method comprises the following steps: preparing mixture A and fluorine-containing mixture B by respectively reacting acrylate monomers with an initiator and a solvent; mixing the two mixtures; and stirring to prepare the pressure-sensitive adhesive by adding a crosslinking agent and a photoinitiator. In the method, toluene and ethyl acetate are preferably used as the solvents, azobisisobutyronitrile is used as the initiator, N-hydroxymethyl acrylamide and 1-hydroxycyclohexyl phenyl ketone are respectively used as the crosslinking agent and the photoinitiator. The preparation method does not need to add a multi-functional diluent, and solves the problem of poor compatibility; the formulation is optimized, the initial adhesion is improved, and the residual adhesive is reduced; the fluorine-containing component endows the adhesive layer with hydrophobicity and improves the stain resistance. The application solves the problems of poor compatibility, insufficient initial adhesion, residual adhesive and insufficient surface cleanliness of the existing UV tack-reducing acrylic pressure-sensitive adhesive by reasonably designing the molecular structure and the formulation.
Owner:HUZHOU LVTIAN NEW MATERIAL CO LTD

Synthesis method of sulfydryl azacyclo phenyl ketone derivative

The invention belongs to the technical field of synthesis of organic compounds, and particularly relates to a synthesis method of a sulfydryl azacyclo phenyl ketone derivative, which comprises the following steps: by taking a disulfide dialkyl bis (amino protection azacyclo) derivative as an initial raw material, pretreating the disulfide dialkyl bis (amino protection azacyclo) derivative with acid in the presence of a catalyst; the preparation method comprises the following steps: adding a benzoyl chloride derivative and a first alkaline substance into a system, carrying out a reaction, adding a second alkaline substance into the system to adjust the pH value to be greater than 7, and finally preparing the sulfydryl azacyclo-phenyl ketone derivative, so that in the route, not only are high-toxicity substances such as sodium borohydride avoided, but also the product yield is high; and the reaction route can realize the one-pot preparation of the sulfydryl azacyclo phenyl ketone derivative, the operation is simpler, the production cost is lower, and the method is more suitable for industrial production.
Owner:MAANSHAN NOVENTEK PHARM TECH CO LTD

Chiral synthesis of a tertiary alcohol

Disclosed herein are methods for preparing tertiary alcohols from an optionally substituted phenyl ketone or an optionally substituted pyridinyl ketone that includes the use of a chiral ligand and boron trifluoride diethyl etherate. Tertiary alcohols can be used to prepare synthetic versions of natural products and / or pharmaceuticals.
Owner:RECURIUM IP HLDG LLC

Controllable stripping release film as well as preparation method and application thereof

The invention belongs to the technical field of release films, and relates to a controllable stripping release film and a preparation method and application thereof, and the controllable stripping release film is formed by coating a base material with a release coating; the release coating is prepared from the following substances in parts by mass: 100 to 150 parts of a solvent, 25 to 40 parts of a release agent, 1 to 3 parts of a curing agent, 6 to 12 parts of a thickening agent, 5 to 10 parts of modified ultraviolet curing resin and 0.2 to 0.4 part of a photoinitiator; the modified ultraviolet curing resin is polydimethylsiloxane modified acrylic resin; and the photoinitiator is 1-hydroxycyclohexyl phenyl ketone. According to the technical scheme, the adhesive force of the release film can be adjusted and controlled in the using process, meanwhile, the adhesive residue phenomenon in the stripping process is effectively reduced, and the problems that the release force of an existing release film is uncontrollable, and adhesive residue is prone to occurring are solved.
Owner:HEFEI LUCKY SCIENCE & TECHNOLOGY INDUSTRY COMPANY LTD