70 results about "Hydroxypropyl methacrylate" patented technology

The invention belongs to the technical field of polyurethane, and particularly relates to high-load-bearing persistent viscosity polyurethane movable glue and a preparation method thereof. The component A is prepared from the following raw materials in percentage by mass: 2-10% of polyether polyol (1: 1), 1-10% of polyether polyol (2: 1: 1), and the balance of a component B; the content of the polyether polyol 2 is 87.99 to 97.45 percent; 0.5-2% of an anti-aging agent; 0.01%-0.05% of a catalyst; the component B is prepared from the following raw materials in percentage by mass: 11.6 to 43.9 percent of polyether polyol 3; 10.5% to 28.5% of hydroxypropyl methacrylate; the content of the diisocyanate is 45.1%-61.2%; after the prepared polyurethane movable glue is placed for 7 days, the lasting adhesion time of the polyurethane movable glue exceeds 60 minutes under the lasting adhesion test condition that the load is 5kg at the angle of 90 degrees; meanwhile, in a 180-degree stripping force test, the measured stripping force value is greater than or equal to 1300gf.

The invention discloses a preparation method of a composite flocculant based on efficient water treatment, belongs to the technical field of flocculant processing, and aims to solve the technical problem that the flocculation performance and the settling performance of a flocculant need to be further improved in the prior art. The preparation method specifically comprises the following steps: putting acrylamide, diallyldimethylammonium chloride, 2-hydroxypropyl methacrylate and deionized water into a reaction kettle, and uniformly mixing to obtain a mixed monomer; according to the preparation method, citric acid monohydrate and iron nitrate nonahydrate react under a mild acidic condition to form a Fe < 3 + >-citric acid complex, and then 2-hydroxyethylamine is introduced to further participate in complexing to obtain a citric acid complexing solution, so that not only is the flocculation performance of the composite flocculant improved, but also the settling performance of the composite flocculant is improved.

The invention discloses a non-phosphorus reverse osmosis scale inhibitor and a preparation method thereof, and relates to the technical field of industrial water treatment.The non-phosphorus reverse osmosis scale inhibitor is prepared from, by weight, 10 parts of purified humic acid, 40-60 parts of alkalized acrylic acid-succinimide-hydroxypropyl methacrylate copolymer, 4-8 parts of sodium polyepoxysuccinate and 5-20 parts of water. Compared with the prior art, the scale inhibitor is high in environment-friendly compliance, excellent in scale inhibition performance, scientific and efficient in raw material treatment and high in product scale inhibition rate, meets the environment-friendly emission standard, and is suitable for reverse osmosis membrane scale inhibition treatment in the industries of electric power, chemical engineering, seawater desalination and the like.

The invention discloses a raw material for preparing a pressure-sensitive adhesive, the pressure-sensitive adhesive and a preparation method of the pressure-sensitive adhesive, relates to the technical field of high polymer materials, and aims to solve the problem of poor compactness due to low density of the pressure-sensitive adhesive. Wherein the raw materials for preparing the pressure-sensitive adhesive comprise the following materials in parts by weight: 25 to 35 parts of polyether polyol, 26.5 to 36.5 parts of isocyanate, 17 to 23 parts of hydroxypropyl methacrylate, 7 to 13 parts of acid functional group acrylate, 2 to 2.6 parts of nano silicon dioxide, 4 to 6 parts of trimethylolpropane triacrylate, 1.5 to 2.5 parts of a photoinitiator and 0.8 to 1.2 parts of a silane coupling agent.

The invention relates to a base material of a self-lubricating sliding bearing as well as a preparation method and application of the base material. The base material comprises a component A, a component B and a component C, and the mass ratio of the component A to the component B to the component C is (0.4-0.8): (0.1-0.3): (0.1-0.3); wherein the component A is prepared from the following raw materials: vinyl cyclic siloxane, 1-thioglycerol and methacryloyl isocyanate; the component B is prepared from the following raw materials: a hexamethylene diisocyanate tripolymer and 2-hydroxy propyl methacrylate; and the component C is prepared from the following raw materials: a diphenylmethane diisocyanate tripolymer and 2-hydroxy propyl methacrylate. The compression strength and the compression modulus of the base material are both higher than those of commercially available resin, the bearing performance of the self-lubricating sliding bearing is greatly improved, meanwhile, the wear rate of the bearing is reduced through the high-crosslinking-degree resin, the gasket is more wear-resistant, and the service life of the bearing is prolonged.

The present invention relates to a curable and electrochemically debondable one-component (1K) structural adhesive composition comprising a) a (meth)acrylate monomer selected from the group consisting of hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl methacrylate, isobornyl acrylate, isobornyl methacrylate, methyl methacrylate and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, 1-pentyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, 1-hexyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, 1-heptyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, 1-octyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, 1-nonyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, 1-decyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, 1-dodecyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, 1-tetradecyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, 1-hexadecyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, 1-octadecyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl) amide, and mixtures thereof; c) a co-polymerisable acid; d) an initiator; e) a core shell toughener; and f) a toughener. The composition according to the present invention can withstand harsh conditions (high temperature and high humidity) while maintaining adhesive and debonding properties.

The present invention discloses an instant-adhesive strong-tough wet tissue tape and a preparation method thereof. The preparation of the instant-adhesive strong-tough wet tissue tape comprises the following steps: S1, reacting 3,4-dihydroxyphenylacetic acid with glycidyl methacrylate to synthesize 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate; S2, dissolving chitosan in an acrylic acid aqueous solution, then adding 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate and a photoinitiator to obtain a mixed solution; S3, applying the mixed solution to the surface of a polymer film treated with a plasma cleaner, and then curing under ultraviolet light to obtain the instant-adhesive strong-tough wet tissue tape. This invention designs and synthesizes novel catechol compounds with long alkyl side chains and uses them to manufacture an instantly adhesive, strong, and resilient wet tissue tape. This tape is thin, flexible, and optically transparent, conforming to various substrates and allowing visual inspection of the substrate's state. Prior to use, the tape is dry and non-sticky, but upon contact with water or blood, it rapidly bonds to wet biological tissue. The tape exhibits exceptionally strong interfacial toughness and adhesion strength to wet biological tissue, far exceeding existing commercial adhesives and some other wet tissue adhesives. Therefore, the instantly adhesive, strong, and resilient wet tissue tape can be used for wound closure and hemostasis.

The invention provides a full-liquid-phase tower reactor and a method for continuously producing hydroxypropyl methacrylate by using the full-liquid-phase tower reactor, the whole full-liquid-phase tower reactor is in a vertical tower shape, and the full-liquid-phase tower reactor comprises a liquid-phase mixing part and a reaction main body part which are communicated with each other from bottom to top, the full-liquid-phase tower reactor is used for carrying out ring-opening addition on methacrylic acid and epoxypropane to continuously produce hydroxypropyl methacrylate, a raw material solution continuously enters the liquid-phase mixing part for primary reaction, the obtained primary reaction solution moves upwards in the axial direction of the reaction main body part, and under the action of the inner component, hydroxypropyl methacrylate is continuously produced through ring-opening addition of methacrylic acid and epoxypropane. The primary reaction liquid is separated and purified to prolong the retention time of the primary reaction liquid, and the obtained final reaction liquid continuously flows out through the outlet of the reactor and is separated and purified, so that continuous production of hydroxypropyl methacrylate is realized.

The invention discloses polyurethane automobile finish paint and a preparation method thereof, and relates to the field of automobile finish paint. When the polyurethane automobile finish paint is prepared, titanium dioxide, 3-butene-1, 2-diol and 6-bromine-3-(4-bromophenyl)-2, 4-dihydro-1, 3-benzoxazine are uniformly mixed, and modified titanium dioxide is prepared; carrying out formylation on microcrystalline cellulose, and grafting n-butyric acid, acetic anhydride and 2-aminopiperazine to obtain modified cellulose; the preparation method comprises the following steps: reacting 1, 3, 5, 7-tetramethylcyclotetrasiloxane with vinyl pentamethyldisiloxane to obtain single-ended vinyl hydrogen-containing silicone oil; acrylic acid, methyl acrylate, hydroxypropyl methacrylate and single-ended vinyl hydrogen-containing silicone oil are subjected to copolymerization, and modified acrylic resin is prepared; and uniformly mixing the modified acrylic resin, the modified cellulose, the modified titanium dioxide and various assistants to prepare the polyurethane automotive finish. The polyurethane automobile finish paint prepared by the invention has excellent quick-drying property, impact resistance and aging resistance.

The hydroxypropyl methacrylate storage device comprises a storage barrel, a stabilizing structure, a sealing cover, an adding structure and a stirring structure, an observation window is arranged on the outer surface of the storage barrel, and the stabilizing structure is arranged at the bottom end of the storage barrel. The stabilizing structure comprises a first limiting block, a lead screw, a stabilizing frame, a sliding block, a supporting rod and a negative pressure suction cup, a sealing cover is arranged at the top end of the storage barrel, a sealing ring is installed at the joint of the sealing cover and the storage barrel and is of a circular structure, and an adding structure is fixedly connected to the upper surface of the sealing cover. And the adding structure comprises a second limiting block, an ejector rod, an end cover, a positioning cylinder, a piston plate, a connecting pipe, a flow divider and a spray head, a stirring structure is installed at the bottom end of the interior of the storage barrel, and the stirring structure comprises a motor, a rotating shaft and stirring blades. By means of the structure, the problems that an existing storage device is inconvenient in liquid level observation, solution layering is prone to occurring and the like can be solved.

An ultralight shock-absorbing EVA sole and a preparation process thereof. The EVA sole is composed of the following raw materials: ethylene-vinyl acetate copolymer, polystyrene-butadiene copolymer, foaming agent, filler, silicone polyether emulsion, maleic anhydride grafted polyethylene wax, dicumyl peroxide, diethylene glycol, zinc stearate, hydroxypropyl methacrylate, triethylenediamine, and propylene glycol. The invention limits the specific raw material composition and addition amount of the EVA sole, increases the foaming rate to 2.2-2.4 times, and makes the density of the prepared EVA sole less than 0.1g / cm 3 , so that the overall weight of the sole is light and the shock absorption performance is good.

The invention relates to a curable urethane di (meth) acrylate comprising a diisocyanate component and a (meth) acrylate component, the diisocyanate component consisting of 50 to 75% by weight of 1, 6-hexane diisocyanate (HDI) and at least one further diisocyanate, and the (meth) acrylate component consists of 50 to 100% by weight of hydroxypropyl methacrylate (HPMA) and optionally at least one further methacrylate or acrylate component.

The application discloses a kind of breathable far infrared fiber fabric and preparation method thereof, it is related to fiber fabric technical field.The application is prepared when breathable far infrared fiber fabric, phosphorus-containing triamino compound is reacted with double bond modified silane, hydroxypropyl methacrylate, 2-[2-hydroxy-5-[2-(methacryloyloxy) ethyl] phenyl]-2H-benzotriazole to obtain modified liquid;Pre-modified graphene is reacted with 3-bromopropyl-5,5-dimethyl hydantoin to obtain modified graphene;After dispersing modified graphene, fiber, 3-glycidyl ether oxypropyl trimethoxysilane, modified liquid are added, and modified fiber is prepared after reaction;After weaving and spinning modified fiber, soak sodium hypochlorite solution, and prepare breathable far infrared fiber fabric.The breathable far infrared fiber fabric prepared by the application has the advantages of air permeability, far infrared, antibacterial, flame retardant, ultraviolet protection and washing resistance.

The invention relates to the field of camera lenses, and mainly relates to a UV adhesive and a preparation method thereof, and a high-transparency chromatic-aberration-free lens coating protective film and a preparation method thereof. The UV adhesive comprises an acrylic acid (ester) copolymer, an acrylic acid ester active monomer and a photoinitiator; the synthesis of the acrylic acid (ester) copolymer comprises the following steps: mixing phthalic anhydride polyester polyol, diphenylmethane diisocyanate and bismuth neodecanoate, and reacting to obtain an intermediate product A; reacting the intermediate product A with hydroxypropyl methacrylate, cooling, and preserving heat to obtain an acrylic acid (ester) copolymer; the acrylic ester active monomers are methoxy polyethylene glycol (350) monoacrylate and cyclotrimethylolpropane methylal acrylate. The UV adhesive provided by the invention is excellent in leveling performance and defoaming performance, and a smooth and transparent adhesive layer can be formed on the surface of a lens. The high-transparency chromatic-aberration-free lens coating protective film has no influence on the camera shooting effect, and the imaging effect has no chromatic aberration compared with that of a real object. The surface is smooth and transparent, the wear resistance and the scratch resistance are good, and the lens can be protected.

The application discloses a polyurethane automobile finish and a preparation method thereof, and relates to the field of automobile finishes. In the preparation of the polyurethane automobile finish, titanium white powder, 3-buten-1, 2-diol and 6-bromo-3-(4-bromophenyl)-2, 4-dihydro-1, 3-benzoxazine are uniformly mixed to prepare modified titanium white powder; microcrystalline cellulose is aldehyde-based after being grafted with n-butyric acid, acetic anhydride and 2-aminopiperazine to obtain modified cellulose; 1, 3, 5, 7-tetramethylcyclotetrasiloxane and vinyl pentamethyl disiloxane are reacted to obtain a single-end vinyl hydrogen-containing silicone oil; acrylic acid, methyl acrylate, hydroxypropyl methacrylate and the single-end vinyl hydrogen-containing silicone oil are copolymerized to obtain modified acrylic resin; and the modified acrylic resin, the modified cellulose, the modified titanium white powder and various additives are uniformly mixed to prepare the polyurethane automobile finish. The polyurethane automobile finish prepared by the application has excellent quick-drying property, impact resistance and anti-aging property.

The invention discloses impact-resistant acrylic resin, belongs to the technical field of chemical engineering, and adopts the technical scheme that the acrylic resin is acrylic resin modified by polyurethane; wherein a preparation method of the polyurethane modified acrylic resin comprises the following steps: copolymerizing an isocyanate group-terminated polyurethane prepolymer and hydroxyl acrylate, and diluting to obtain the polyurethane modified acrylic resin; the hydroxyl acrylate is selected from at least one of hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methylacrylate and hydroxypropyl methacrylate; the acrylic resin with good transparency and impact resistance is provided, on one hand, the acrylic resin is modified through polyurethane, the impact resistance of the acrylic resin is enhanced to a certain extent, and on the other hand, the impact resistance of the whole paint body is improved by further modifying the silver powder which generates a pearlescent phenomenon in the production process of the fritillary paint.

The embodiments herein provide hemostatic compositions, methods, and kits comprising composite polymer particles. Upon contact with blood or other physiological fluids, the composite particles adsorb fluid and aggregate into a shape-retentive mass that halts bleeding. In certain embodiments, the particles comprise polymers of 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, or combinations thereof. The particles may be used alone or blended with additional hemostatic agents. Methods of inducing hemostasis are provided for diffuse oozing, or surgical, mucosal, organ surface, fragile tissue or traumatic bleeding, including in patients receiving anticoagulant or antiplatelet therapy. Kits comprising sterile packages of composite particles, optionally with applicators, substrates, or sprays, are disclosed. The compositions exhibit intrinsic hemostatic activity and synergistically enhance the performance of conventional hemostats, achieving rapid clotting. After hemostasis is achieved, the compositions remain in situ as a conforming protective layer, reducing the need for additional covering materials and decreasing risk of re-bleeding.

The invention relates to the technical field of functional polymer material preparation, in particular to a method for in-situ rapid synthesis of carbon quantum dots based on a spinning chemical process, and discloses a method for macroscopic preparation of carbon quantum dots by using a spinning chemical means. The method is characterized in that a novel process for preparing a carbon quantum dot material by micro-fluidic gas injection is developed based on a spinning chemistry principle, compounds with good biocompatibility and high activity, such as citric acid and urea, are used as functional precursors, and a strong heat release type monomer, such as hydroxyethyl acrylate and hydroxypropyl methacrylate, is used as a medium through a point heat micro-fluidic gas injection means, so that the carbon quantum dot material is prepared. According to the present invention, the carbon quantum dot material is obtained in situ by using the thermal self-catalysis effect and the large specific surface contact surface of the exothermic reaction and using the chip micro-channel and the micro-nano-fiber as the reactor, the carbon quantum dot is synthesized through the micro-nano-fiber in-situ reaction, the operation is simple, the process condition is easy to control, and the strong promotion and application value is provided.

The invention relates to the technical field of aluminum coil surface treatment, in particular to a special low-gloss and low-reflectivity coating for an aluminum coil and a preparation method of the special low-gloss and low-reflectivity coating, and the special low-gloss and low-reflectivity coating comprises the following components in parts by weight: 60-90 parts of polyurethane acrylate dispersion, 2-5 parts of a photoinitiator, 20-30 parts of pigment filler, 6-10 parts of an auxiliary agent and 18-35 parts of a solvent; wherein the polyurethane acrylate dispersoid is obtained by carrying out reaction and emulsification on toluene diisocynate and hydroxypropyl methacrylate; the pigment filler is selected from one or a combination of more of a matting agent, a silicon-titanium oxide loaded titanium dioxide and / or carbon black compound and a silicon dioxide loaded mica powder compound; the coating provided by the invention has better rheological property, is convenient to uniformly roll-coat the surface of an aluminum coil, and a coating layer formed on the surface of the aluminum coil has better layering sense and lower glossiness and reflectivity.

The invention discloses a weather-resistant polyurethane acrylate copolymer hot melt adhesive and a preparation method thereof. The invention relates to a water-based polyurethane adhesive, which is prepared from the following raw materials in parts by weight: 15 to 61 parts of hydroxypropyl methacrylate, 20 to 81 parts of pentaerythritol diacrylate, 5 to 20 parts of polypropylene glycol 1000, 5 to 20 parts of polypropylene glycol 4000, 25 to 100 parts of diphenylmethane diisocyanate, 0.025 to 0.1 part of dimorpholinyl diethyl ether, 3.5 to 14 parts of first filler and 8 to 32 parts of second filler. Polyacrylate is added into polyurethane for modification, so that the weather resistance, the water resistance and the bonding strength of the hot melt adhesive can be effectively improved; by adding the first filler and the second filler, the respective reinforcing effects can be exerted, and the problems that the initial peel strength is reduced and the curing rate is reduced when the polyacrylate is added into the polyurethane hot melt adhesive can also be solved.

This invention discloses a high-elasticity, high-toughness 3D printing photosensitive resin and its preparation method. The high-elasticity, high-toughness 3D printing photosensitive resin is characterized by comprising, by weight ratio: 38-50% functionalized PUA oligomer; 37-52% reactive diluent A; 3-5% photoinitiator B; 5-10% toughening agent; and 0.2-0.8% antioxidant; wherein the reactive diluent is a mixture of hydroxypropyl methacrylate, trihydroxy(2-hydroxyethyl) isocyanurate, lauryl acrylate, polyethylene glycol (200) diacrylate, and 4-acryloylmorpholine in a mass ratio of 3:1:1:2:2.

The invention relates to the technical field of polymer materials, and particularly discloses a polymer film coating applied to UV printing and thermal transfer ribbon printing and a film adhesive tape. The polymer film coating applied to UV printing and thermal transfer ribbon printing is prepared by drying a polymer film coating applied to UV printing and thermal transfer ribbon printing. The polymer film coating applied to UV printing and thermal transfer ribbon printing is prepared by compounding a solvent, water-based acrylic resin, glutamic acid, 5-sulfoisophthalic acid sodium salt, hydroxypropyl methacrylate and diethylene glycol diacrylate. The method has the advantage that ink marks are not easy to fall off after the polymer film is printed.

This invention relates to the field of power cable materials technology, and discloses an anti-scorching agent and composition, a semi-conductive shielding material, its preparation method, and its application. The anti-scorching agent comprises structural units provided by monomer A and structural units provided by monomer B; monomer A is 3-[(4-phenylaminophenyl)amino]-2-hydroxypropyl methacrylate, and monomer B is selected from trimethylolpropane trimethacrylate or pentaerythritol triacrylate; the molar ratio of monomer A to monomer B is 1:(2-4). This anti-scorching agent can achieve the anti-scorching effect of the semi-conductive shielding material and is beneficial for long-term extrusion.

The present invention relates to a silicone-based RAFT reagent for preparing an acrylate anti-graffiti emulsion and a preparation method thereof. Using a silicone-based RAFT reagent, methyl methacrylate, hydroxypropyl methacrylate, acrylic acid, and hydroxyethyl acrylate as raw materials, and azobisisobutyronitrile as an initiator, a silicone-containing acrylate polymer emulsifier is prepared by RAFT polymerization under the condition of a temperature of 60-90 °C. Using the silicone-containing acrylate polymer emulsifier, methyl methacrylate, hydroxypropyl methacrylate, isobornyl methacrylate, hydroxyethyl acrylate, styrene, and butyl acrylate as raw materials, and persulfate as an initiator, a silicone-modified acrylate anti-graffiti emulsion is prepared by RAFT polymerization. The anti-graffiti emulsion prepared by the present invention not only has extremely strong adhesion, good scrub resistance and ethanol resistance, but also has excellent storage stability, weather resistance and chemical resistance, and can be widely applied to fields such as coatings, inks, and adhesives.

The present disclosure provides a hydroxyl acrylic resin dispersion for waterborne paints, a preparation method thereof, and a waterborne paint, belonging to the technical field of waterborne acrylic resins. The hydroxyl acrylic resin dispersion for waterborne paints includes: 2-3 parts by mass of styrene; 7-8 parts by mass of methyl methacrylate; 23-24 parts by mass of isobutyl methacrylate; 2-3 parts by mass of hydroxypropyl methacrylate; 7-8 parts by mass of hydroxyethyl methacrylate; 0.5-1 part by mass of acrylic acid; 0.1-0.5 part by mass of diacetone acrylamide; 0.5-1.5 parts by mass of ethylene glycol dimethacrylate; 2-3 parts by mass of tert-butyl peroxy (2-ethylhexanoate); 2-3 parts by mass of diethylene glycol methyl ether; 1-2 parts by mass of N,N-dimethylethanolamine; 45-55 parts by mass of deionized water. By using the dispersion in combination with an isocyanate crosslinking agent, the application effect of an oil-based paint can be achieved, and at the same time, it also has good water resistance and acid and alkali resistance.

The invention relates to the technical field of coatings, in particular to a fireproof insulating coating for a new energy battery and a preparation method of the fireproof insulating coating. The fireproof insulating coating for the new energy battery is prepared from the following raw materials in parts by weight: 100 to 140 parts of a water-based acrylic resin raw material, 140 to 150 parts of deionized water, 0.2 to 0.4 part of a flatting agent, 45 to 55 parts of ammonium polyphosphate, 0.5 to 2 parts of a coalescing agent and 0.1 to 1 part of a de-foaming agent, the raw material of the water-based acrylic resin comprises modified boron nitride nanosheets, and the filler is the modified boron nitride nanosheets and is prepared by alkalizing boron nitride nanosheets to prepare hydroxylated boron nitride nanosheets, then grafting carboxyl-terminated hyperbranched polyester through an esterification reaction, and then carrying out an esterification reaction with hydroxypropyl methacrylate; the battery coating has the advantage that the flexibility of the battery coating is improved under the condition that the hardness of the battery coating is maintained.

The application provides a double-curing acrylate-epoxy hybrid adhesive as well as a preparation method and application thereof, and belongs to the technical field of adhesives. The double-curing acrylate-epoxy hybrid adhesive is composed of component A and component B. The component A comprises tetrahydrofurfuryl methacrylate, isobornyl methacrylate, hydroxypropyl methacrylate, N,N-dimethylaniline, a toughening agent, a double-curing resin, wollastonite, fumed silica, solid glass microbeads, an antioxidant, a phosphate monomer and a multifunctional monomer. The component B comprises benzoyl peroxide, an epoxy resin, wollastonite and fumed silica. The double-curing acrylate-epoxy hybrid adhesive prepared by the application can realize the combination of high-temperature strength and normal-temperature toughness, and solves the problem of easy gelation of a traditional NCO-containing system.

The invention discloses a scale inhibition dispersant and a preparation method thereof, the active component of the scale inhibition dispersant is an acrylic acid-succinimide-hydroxypropyl methacrylate copolymer, the mass content is greater than or equal to 35%, and the molecular weight is 200,000-35,000; the raw materials comprise acrylic acid, succinimide, hydroxypropyl methacrylate, ammonium persulfate, isopropanol and water; comprising the following steps: adding water into a reactor; heating the water in the reactor to 80-95 DEG C; stirring is started, and isopropanol is added; dropwise adding acrylic acid, succinimide, hydroxypropyl methacrylate and ammonium persulfate at the same time; raising the temperature of the materials in the reactor to 95-120 DEG C, and keeping the temperature for 5-8 hours; the scale inhibitor has excellent scale inhibition and dispersion effects on organic matters in a circulating cooling water system and a reverse osmosis system, and can adsorb, stabilize and disperse colloidal pollutants in a limited manner, so that the defect of the existing scale inhibition and dispersion effects of the scale inhibition of the scale inhibition and dispersion agent is overcome, and the performance is remarkably improved and optimized.

The invention relates to the technical field of polyurethane adhesives, and particularly discloses a polyurethane adhesive for a fully prefabricated rubber coiled material and a preparation method of the polyurethane adhesive. The invention discloses a polyurethane adhesive for a fully prefabricated rubber coiled material. The polyurethane adhesive is prepared from the following raw materials in parts by weight: 40 to 60 parts of polyether polyol, 40 to 60 parts of polyester polyol, 70 to 100 parts of isocyanate, 1 to 3 parts of catalyst, 0.5 to 0.8 part of chain extender, 8 to 15 parts of hydroxypropyl methacrylate, 1 to 3 parts of cross-linking agent and 10 to 20 parts of filler, according to the invention, the polyether polyol and the polyester polyol are compounded, so that the prepared polyurethane adhesive has relatively good bonding strength and peel strength.