34 results about "Benzyl methacrylate" patented technology

A pretreatment liquid is used for pretreating a medium on which an image is recorded using a water-based ink. The pretreatment liquid contains core-shell particles having a 2-ethylhexyl acrylate as a core and a benzyl methacrylate as a shell, polyester microparticles, a water-soluble organic solvent, and water. A mass ratio of the core-shell particles to the polyester microparticles is 0.3 or more and 3.0 or less.

Provided is a pretreatment liquid for pretreating an impermeable medium for image recording using an aqueous ink, the impermeable medium having a polar term of surface free energy of 20 mJ / m or less, the pretreatment liquid containing core-shell particles having 2-ethylhexyl acrylate as a core and benzyl methacrylate as a shell.

The invention discloses a polyimide foaming diffusion plate and a preparation method thereof, and the polyimide foaming diffusion plate comprises the following components: modified PI resin, benzyl methacrylate-titanium dioxide composite microspheres, a silane coupling agent, an antioxidant, an ultraviolet light absorber, a hindered amine light stabilizer, liquid paraffin, a whitening agent, a foaming agent and the like. The method is characterized in that the modified PI resin is used as a diffusion plate base material, it is guaranteed that the diffusion plate has high heat resistance, meanwhile, benzyl methacrylate-titanium dioxide composite microspheres which are good in compatibility with the modified PI resin and matched with the modified PI resin in refractive index are prepared to serve as a light diffusion agent, the optical performance of the diffusion plate is effectively improved, and through formula and process innovation, the diffusion plate can be widely applied to the field of light diffusion. The polyimide foaming diffusion plate which is excellent in optical effect and mechanical property is successfully prepared.

The invention relates to a demulsifier for petroleum exploitation and a preparation method thereof, and belongs to the technical field of demulsifiers for petroleum. The preparation method of the demulsifier for petroleum exploitation comprises the following steps: slowly adding silicon dioxide into mixed acid, stirring at a controlled temperature, removing impurities, and drying to obtain a pretreated product; stirring and mixing a silane coupling agent and ethyl acetate, adding sorbic aldehyde for constant-temperature reaction, cooling to room temperature, centrifuging, putting into absolute ethyl alcohol, adding the pretreated product for ultrasonic dispersion, heating and stirring, removing impurities, drying in vacuum, putting into deionized water for mixing, stirring at a high speed, adding acrylamide and benzyl methacrylate for stirring and mixing uniformly, adding an initiator for heating and stirring, and cooling to room temperature; and continuously heating and stirring, cooling, adjusting the pH value, and granulating in a granulator, thereby obtaining the product. The demulsifying agent provided by the invention has excellent performance in the aspect of treating oilfield produced liquid. The water treatment agent can quickly play a role, and the treatment effect is further improved along with the increase of the dosage, so that the water phase is clearer.

A pretreatment liquid is used for pretreating an impermeable medium on which an image is recorded with a water-based ink. A polar component of surface free energy of the impermeable medium is 20 mJ / m2 or less. The pretreatment liquid contains core-shell particles including 2-ethylhexyl acrylate as a core and benzyl methacrylate as a shell.

The invention relates to the technical field of oil field cleaning agents, in particular to an alcohol-based multi-effect descaling cleaning agent for shale oil wells and a preparation method thereof.The alcohol-based multi-effect descaling cleaning agent is prepared from, by mass, 100 parts of alcohol-based base fluid, 16-23 parts of side chain modified polyether ester, 7-11 parts of organic acid, 5-8 parts of chelating agent and 3-5 parts of glycoside surfactant. The cleaning agent is prepared from the following components in parts by weight: 20-30 parts of a surfactant, 3-5 parts of a polyoxyethylene surfactant, 2-3 parts of polyvinyl alcohol, 25-32 parts of ethylene glycol monoC2-4 ether and 2-3 parts of silicate; the side chain modified polyether ester is obtained by carrying out ring-opening polymer on a high-molecular initiator, propylene oxide and / or ethylene oxide and allyl glycidyl ether to obtain side chain alkenyl-containing polyether ester, and polymerizing the side chain alkenyl-containing polyether ester with (methyl) acrylic acid, (methyl) C4-6 alkyl acrylate and (methyl) benzyl acrylate; the alcohol-based base solution comprises 60 to 80 weight percent of C1-3 monohydric alcohol.

The invention provides anti-fog glass and a preparation method thereof. The anti-fog glass comprises a glass substrate, a bonding layer and an anti-fog layer, wherein the bonding layer is arranged between the anti-fog layer and the glass substrate; the coating of the anti-fog layer comprises the following components in parts by weight: 70-90 parts of a first monomer, 5-15 parts of a second monomer, 3-6 parts of a cross-linking agent and 5-10 parts of a photoinitiator; the first monomer comprises one or a combination of more than two of hydroxyethyl methylacrylate, polyethylene glycol diacrylate, N-hydroxymethyl acrylamide, methacrylamide, N-isopropylacrylamide and N, N-dimethylacrylamide; the second monomer is prepared from one or a combination of more than two of trifluoroethyl methacrylate, methyl methacrylate, butyl acrylate, ethylene glycol dimethacrylate, glycidyl methacrylate, benzyl methacrylate and 2-acrylic acid-2-hydroxy-3-phenoxy propyl ester. The anti-fog glass disclosed by the invention has the advantages of anti-fog property, moisture resistance, salt fog resistance and wear resistance.

The present application relates to the technical field of oilfield cleaning agent, and particularly relates to an alcohol-based multi-effect scale removal cleaning agent for shale oil wells and a preparation method thereof, the alcohol-based multi-effect scale removal cleaning agent comprises the following raw materials in parts by mass: 100 parts of alcohol-based base fluid, 16-23 parts of side chain modified polyether ester, 7-11 parts of organic acid, 5-8 parts of chelating agent, 3-5 parts of glycoside surfactant, 3-5 parts of polyoxyethylene surfactant, 2-3 parts of polyvinyl alcohol, 25-32 parts of ethylene glycol mono-C2-4 ether, and 2-3 parts of silicate; the side chain modified polyether ester is obtained by side chain containing alkenyl polyether ester after high molecular initiator, propylene oxide and / or ethylene oxide, and allyl glycidyl ether ring-opening polymerization, and then polymerization of the side chain containing alkenyl polyether ester with (meth) acrylic acid, (meth) acrylic C4-6 alkyl ester, and benzyl (meth) acrylic ester; the alcohol-based base fluid comprises 60-80 wt% of C1-3 monohydric alcohol.

We provide an ink that can achieve both high image density and long-term storage stability. [Solution] The inkjet ink contains a pigment, a block copolymer in which the hydrophobic polymer block is composed of benzyl methacrylate and the hydrophilic polymer block is composed of methacrylic acid, and water. The acid value of the block copolymer is 120 mg KOH / g or more and 220 mg KOH / g or less. The content of the block copolymer is 0.6% by mass or more and 2.6% by mass or less. The mass ratio of the block copolymer to the pigment is 0.12 or more and 0.51 or less. In the inkjet ink, the mass ratio of solids in the supernatant liquid obtained by centrifugation is 0.5% by mass or more and 3.0% by mass or less.

The application discloses a high-viscosity tensile PVC electrician adhesive tape and a preparation method thereof, and relates to the technical field of adhesive tapes, which comprises an acrylate adhesive solution and a polyvinyl chloride film, and the polyvinyl chloride film is coated with the acrylate adhesive solution. The application introduces benzyl methacrylate to form a copolymer with soft and hard chain segment structures, thereby improving the adhesion and cohesion of the acrylate adhesive solution; the benzene ring structure of the benzyl methacrylate improves the heat resistance of the adhesive solution, and further improves the comprehensive performance of the PVC electrician adhesive tape.

The application relates to a preparation method and application of an acrylic hyperbranched photoresist resin, and belongs to the technical field of resins. The application creatively takes methyl methacrylate, benzyl methacrylate and bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride as raw materials, so that the three are polymerized based on double bonds, a linear polymer is first formed, then pentaerythritol triacrylate containing a hydroxyl group and an alkenyl group is added as a grafting agent, a hyperbranched structure is constructed based on the reaction of anhydride and a hydroxyl group, and thus an acrylic hyperbranched photoresist resin is prepared. After the resin polymer is prepared into a photoresist, excellent developing effect can be obtained, the resolution is high, and the integrated circuit with higher manufacturing precision can be manufactured.

The invention discloses an imidazolyl copolymer type epoxy resin toughening agent as well as a preparation method and application thereof, and belongs to the technical field of epoxy resin toughening. The specific scheme is as follows: the copolymer type toughening agent is prepared by taking a methacrylate monomer, an acrylate monomer, an alkenyl imidazole monomer and a cross-linking agent monomer as raw materials through free radical copolymerization reaction. The methacrylate monomer is one or more of methyl methacrylate, ethyl methacrylate, phenyl methacrylate and benzyl methacrylate; the acrylate monomer is one or more of n-butyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate and lauryl acrylate. According to the imidazolyl copolymer type epoxy resin flexibilizer prepared by the invention, the integration of multiple functions of curing promotion, toughening and reinforcement of an epoxy resin curing system is realized through regulation and control of a comonomer.

The invention provides a water response hardness regulation intelligent polymer as well as a preparation method and application thereof, and relates to the technical field of polymer materials. The preparation method comprises the following steps: mixing a hydrophobic monomer (benzyl methacrylate), a hydrophilic monomer (polyethylene glycol monomethyl ether methacrylate), a cross-linking agent (polyethylene glycol dimethacrylate) and a photoinitiator, and carrying out cross-linking reaction on an obtained precursor solution under ultraviolet radiation to obtain the water-responsive hardness regulation intelligent polymer. The polymer prepared by the invention is soft in a dry state and is hardened after absorbing water, so that intelligent regulation and control of water response hardness are realized; the soft state can be recovered after water absorption hardening and leaving the water environment again, and the soft and hard switching reversibility is achieved. The water response hardness regulation and control intelligent polymer prepared by the invention can be freely shaped in a dry state, then absorbs water and is hardened, meanwhile, the requirement on high modulus during use is met, and the water response hardness regulation and control intelligent polymer has a wide application prospect in the fields of biomedicine and intelligent materials for repairing or replacing articular cartilage with irregular shape and high modulus requirement.

The invention relates to a two-component composition comprising: - a component A comprising: - optionally alkoxylated benzyl methacrylate, - an organic zinc salt, and - a tertiary aromatic amine, and - a component B comprising: - an organic peroxide. The present invention also relates to the use of the two-component composition according to the invention as a coating or adhesive. The present invention also relates to a method for assembling substrates comprising: - coating at least one surface of the substrates to be assembled with the two-component composition according to the invention, then - bringing the substrates into contact, and then - crosslinking the composition. Finally, the present invention relates to an article comprising the two-component composition according to the invention, said composition bonding at least two substrates of said article. Figure for the abstract: none

The invention relates to a two-component composition comprising: - a component A comprising: - optionally alkoxylated benzyl methacrylate, - an organic zinc salt, and - a tertiary aromatic amine; and - a component B comprising: - an organic peroxide. The present invention also relates to the use of the two-component composition according to the invention as a coating or an adhesive. The present invention further relates to a method for assembling substrates, comprising: - coating at least one surface of the substrates to be assembled with the two-component composition according to the invention, then - bringing the substrates into contact, then - crosslinking the composition. Finally, the present invention relates to an article comprising the two-component composition according to the invention, said composition binding at least two substrates of said article.

This invention discloses a rapeseed oil-based polymer copolymer, its synthesis method, and its applications, belonging to the field of fine chemical technology. This invention synthesizes a rapeseed oil-benzyl methacrylate copolymer via solution polymerization under catalyst-free conditions. The synthesis method is simple, feasible, and low-cost, and the resulting chemical structure is clearly defined. By converting edible rapeseed oil into an industrially usable rapeseed oil derivative, the viscosity index and anti-wear properties of lubricating oil can be significantly improved. It can serve as a multifunctional lubricating oil additive, overcoming the disadvantages of traditional petroleum-based lubricating oil additives, such as non-biodegradability and limited functionality, thus filling the research gap in using rapeseed oil-based polymer copolymers as multifunctional lubricating oil additives.

This invention provides an inkjet ink that can achieve both solvent resistance and print density. [Solution] An inkjet ink according to one embodiment of the present invention contains a pigment, an aqueous solvent, an alkaline agent, and a dispersion resin. The dispersion resin is a block polymer having a hydrophobic polymer block containing benzyl methacrylate and a hydrophilic polymer block containing methacrylic acid. The acid value of the block polymer is 120 mg KOH / g or more and 200 mg KOH / g or less. The logKow of the aqueous solvent is 0 or more.

The invention discloses a long-acting molluscicidal composition and a preparation method thereof, and belongs to the technical field of molluscicidal preparations, the long-acting molluscicidal composition and the preparation method thereof are characterized in that firstly, hydroxyl at the tail end of polyethylene glycol monomethyl ether is subjected to esterification reaction to obtain a hydrophilic polyethylene glycol-based polymeric precursor, then the precursor is grafted with hydrophobic benzyl methacrylate to obtain an amphipathic block copolymer, and then the amphipathic block copolymer is subjected to polymerization reaction to obtain the long-acting molluscicidal composition. The preparation method comprises the following steps: preparing a niclosamide solution, constructing a nano slow-release carrier through hydrazide modification, stably entrapping abamectin to form a high-dispersion nano slow-release medicament, and carrying out composite solubilization on the indissolvable niclosamide by using an outer hydrophilic and inner hydrophobic cavity structure of 2-hydroxypropyl-beta-cyclodextrin, then, the dual-drug-loading system and a food calling component are jointly introduced into a sodium alginate-starch gel skeleton and are extruded and formed, so that the preparation forms an effective drug effect unit which stably exists at the bottom of a water body, and therefore, an effective killing concentration can be quickly established in a complex water environment, and drug effect output can be maintained for a long time; the method is suitable for continuous and efficient prevention and control of pomacea canaliculata in rice fields and open water areas.

A photosensitive resin composition comprising a binder polymer having a structural unit based on benzyl (meth)acrylate, a photopolymerizable compound, a photopolymerization initiator, and a coumarin-based sensitizer.

The present invention relates to a demulsifier for oil production and a preparation method thereof, and belongs to the technical field of demulsifiers for oil production. A preparation method for a demulsifier for oil production comprises the following steps: slowly adding silicon dioxide to a mixed acid, controlling the temperature and stirring, removing impurities, and drying to obtain a pretreated product; stirring and mixing a silane coupling agent and ethyl acetate, adding sorbitol and reacting at a constant temperature, cooling to room temperature, centrifuging, placing in anhydrous ethanol, adding the pretreated product and ultrasonically dispersing, heating and stirring, removing impurities, vacuum drying, placing in deionized water and mixing, stirring at high speed, adding acrylamide and benzyl methacrylate and stirring and mixing, adding an initiator and heating and stirring, continuing to heat and stir, cooling, adjusting the pH value, and placing in a granulator for granulation to obtain the demulsifier. The demulsifier of the present invention performs well in treating oilfield produced fluid. It can quickly exert its efficacy, and as the dosage increases, the treatment effect is further improved, thereby making the aqueous phase clearer.

The invention discloses a high-viscosity tensile PVC electrical adhesive tape and a preparation method thereof, and relates to the technical field of adhesive tapes, the high-viscosity tensile PVC electrical adhesive tape comprises an acrylate adhesive solution and a polyvinyl chloride film, and the polyvinyl chloride film is coated with the acrylate adhesive solution. According to the invention, benzyl methacrylate is introduced to form a copolymer with a soft and hard chain segment structure, so that the adhesion and cohesion of an acrylate adhesive solution are improved, and a hard chain segment formed by a benzene ring structure of benzyl methacrylate improves the heat resistance of the adhesive solution, so that the comprehensive performance of the PVC electrical adhesive tape is improved.

The present application provides a kind of halogenated zinc phthalocyanine pigment, the halogenated zinc phthalocyanine pigment can be used as green pigment for color filter, can show excellent brightness.A kind of halogenated zinc phthalocyanine pigment, the coating film containing 1.00 mass parts of the pigment, benzyl methacrylate-methacrylic acid copolymer 0.95 mass parts and dimethylaminoethyl methacrylate copolymer 0.30 mass parts is heated at 230 ℃ for 1 hour to form the evaluation coating film with thickness 4 μm, the average scattering intensity in the range of scattering angle 2 theta 17 ° ~ 21 ° is obtained from the two-dimensional scattering image of the evaluation coating film by GI-WAXS determination, when the average scattering intensity at azimuth angle 45 ° is 1, the normalized average scattering intensity, the normalized average scattering intensity under azimuth angle 5 ° ~ 89 ° is 0.70 ~ 1.15.

This invention provides an inkjet ink that can achieve both scratch resistance and print density. [Solution] An inkjet ink according to one embodiment of the present invention is an aqueous ink containing a pigment, an aqueous solvent, an alkaline agent, and a dispersion resin. The dispersion resin is a block polymer having a hydrophobic polymer block containing benzyl methacrylate and a hydrophilic polymer block containing methacrylic acid. The acid value of the block polymer is 180 mg KOH / g or more and 280 mg KOH / g or less, and the neutralization rate of the block polymer is 40% or more and 60% or less.

The invention relates to the technical field of corrosion inhibitors, and discloses a corrosion inhibitor for a refining production process and a preparation method thereof.The preparation method comprises the steps that 4-[(imidazole-4-methyl formate) methyl] benzyl methacrylate and ethanediamine are polymerized through a Michael addition reaction and an amidation condensation reaction to obtain the corrosion inhibitor with a hyperbranched structure; the corrosion inhibitor contains a large number of imidazole structures and amino-terminated groups, can form a firm and compact polymer protective film on the surface of steel through physical adsorption and chemical coordination, effectively inhibits permeation of corrosive media such as acid and water, plays a good role in corrosion inhibition and corrosion prevention, has a high corrosion inhibition rate, is good in high temperature resistance, and can be widely applied to the field of corrosion inhibition and corrosion prevention. The paint is suitable for corrosion prevention of metal equipment in a high-temperature environment in a refining production process.

The invention relates to the technical field of oil field fracturing fiber production, and discloses an oil field fracturing fiber and a synthetic method thereof, the oil field fracturing fiber comprises 10%-20% of cellulose, 10%-20% of butyl acrylate, 7%-9% of acrylic acid, 5%-7% of allyl alcohol polyoxyethylene polyoxypropylene ether, 1%-3% of bisphenol A glycerol diacrylate, 1%-3% of 2, 2, 3-trimethyl-1, 3-pentanediol monoisobutyrate, 1%-3% of 2, 3-pentanediol The adhesive is prepared from the following components in percentage by weight: 1%-3% of 2, 2-trifluoroethyl acrylate, 2%-4% of p-styrene sulfonate, 0.7%-0.9% of benzyl methacrylate, 0.5%-0.7% of ammonium persulfate, 0.5%-0.7% of sodium persulfate, 0.3%-0.5% of sodium hydroxide solution, 0.1%-0.3% of sodium sulfite, 0.1%-0.3% of silane coupling agent, 0.1%-0.3% of polymeric dispersant, 0.1%-0.3% of polycarboxylate, 0.2%-0.4% of polyacrylamide and the balance of water. And 0.2%-0.4% of polyvinyl alcohol. According to the invention, by adopting a new preparation formula and changing a new preparation mode, the elasticity and toughness of the fiber can maintain the stability of cracks, prevent the cracks from being closed under high pressure and ensure that the oil gas output quantity is more stable; the stability and reliability of oil-gas field exploitation are improved.

The present invention belongs to the field of oil extraction technology, and in particular to a fiber for oilfield fracturing and a synthesis method thereof. The synthesis method is as follows: 2,2,2-trifluoroethyl acrylate, p-styrene sulfonate, benzyl methacrylate, and water are sequentially added to a reactor equipped with a condenser, stirred, and the pH is adjusted to 6-7 with a sodium hydroxide solution, and stirring is continued to form an emulsion; a sodium persulfate solution is slowly added dropwise, the solution gradually thickens, and the stirring reaction is continued after the dropwise addition is completed, and a sodium sulfite solution is continued to be added dropwise, and stirring is continued after the dropwise addition is completed to obtain a viscous polymer; the above-mentioned polymer is subjected to jetting, winding, drawing, and shearing operations to obtain a fiber, i.e., a product oilfield fracturing fiber. The fiber for oilfield fracturing of the present invention has a high sand carrying capacity, and the static settling velocity reduction rate of ceramsite is greater than 25%; it has good flow conductivity, and the flow conductivity reduction rate is less than 2.5%.

An inkjet ink includes: a pigment; a water-soluble moisturizing agent having a log Kow of 0 or more; a benzylmethacrylate / methacrylic acid copolymer having a weight average molecular weight of 10,000 or more and 30,000 or less and a molecular weight distribution of 2.2 or more and 5.0 or less; and water.

The application provides a kind of polymerization induced self-assembly spherical micelle particle and its preparation method and application, belong to lubricating additive technical field. Including the following steps: thio carbonic acid ester chain transfer agent, methacrylic ester monomer, first initiator and organic solvent are mixed to carry out RAFT polymerization reaction, the macromolecular chain transfer agent obtained, benzyl methacrylate, second initiator and base oil are mixed to carry out polymerization induced self-assembly reaction. RAFT polymerization reaction can effectively control radical active growth, obtain the macromolecular chain transfer agent with narrow molecular weight distribution and good dispersity, in the process of polymerization induced self-assembly reaction, polymethyl benzyl methacrylate is used as nucleation segment, and is distributed in micelle inside, polymethyl methacrylate is used as stable segment and is distributed in micelle outside, because methacrylic ester monomer has strong lipophilicity, so spherical micelle particle can be stably dispersed in base oil.

An inkjet ink includes: a pigment, a block copolymer including a hydrophobic polymer block formed of benzylmethacrylate and a hydrophilic polymer block formed of methacrylic acid, and water. The block copolymer has an acid value of 120 mg KOH / g or more and 220 mg KOH / g or less. A content of the block copolymer is 0.6 mass % or more and 2.6 mass % or less. A mass ratio of the block copolymer to the pigment is 0.12 or more and 0.51 or less. In the inkjet ink, a mass ratio of a solid in a supernatant liquid obtained by centrifugation is 0.5 mass % or more and 3.0 mass % or less.

An inkjet ink includes: a pigment, a water-based solvent, an alkaline agent, and a dispersion resin. The dispersion resin is a block polymer that includes a hydrophobic polymer block including benzylmethacrylate and a hydrophilic polymer block including methacrylic acid. The block polymer has an acid value of 120 mg KOH / g or more and 200 mg KOH / g or less. The water-based solvent has a log Kow of 0 or more.