27 results about "Allyl methacrylate" patented technology

The invention discloses a three-phase makeup fixing spray and a preparation method thereof. The three-phase makeup fixing spray comprises an emulsion layer located on the upper layer, a water layer located on the middle layer and a powder layer located on the bottom layer. The emulsion layer comprises acrylic acid (ester) / allyl methacrylate copolymer AMP salt, polyurethane-1, an emulsifier and an oil-soluble sun-screening agent, functional auxiliary materials and ethanol are dissolved in the water layer, the powder layer comprises oil absorption powder, and the mass of water in the three-phase make-up spray accounts for 60%-64% of that of the three-phase make-up spray; the emulsifying agent comprises bis (lauramide glutamine) lysine sodium and a component A, and the component A is selected from one or more of polyglycerol-10 myristate, inulin lauryl carbamate and inulin lauryl carbamate; the sun-screening agent is prepared from ethylhexyl salicylate and phenyl benzimidazole sulfonic acid. The three-phase makeup fixing spray provided by the invention has the three-dimensional integrated makeup fixing effect of oil control, makeup fixing and sun protection.

The application belongs to the field of leather auxiliaries, and particularly relates to a kind of anti-stain, sound-damping and touch agent for leather and a preparation method thereof. The preparation method comprises the following steps: mixing double allyl polyether, allyl methacrylate, a catalyst and hydrogen-terminated polydimethylmethylhydrogen siloxane, then heating and reacting to obtain an intermediate; mixing the intermediate with isomeric tridecanol polyoxyethylene ether 1305 and isomeric tridecanol polyoxyethylene ether 1307, then heating, stirring and dispersing, and adding deionized water to continue stirring and dispersing. The anti-stain, sound-damping and touch agent for leather does not contain fluorine in the structure, so it is not limited in use due to the fluorine ban. In addition, different from conventional hyperbranched, the present application adopts silicon-hydrogen addition hyperbranched, which is more flexible in structure design, has a larger silicon crosslinking density, can achieve better anti-stain and sound-damping effects, and can improve the physical properties of the finishing system. The touch of the anti-stain, sound-damping and touch agent for leather can be adjusted to a large extent, and it is more widely applicable.

The invention discloses a positive pole piece and a preparation method thereof, a diaphragm-free battery and a battery. The positive pole piece comprises a positive pole current collector and a positive pole active material layer arranged on at least one side of the positive pole current collector, the positive pole active material layer comprises a polymer, and the polymer is formed by polymerizing at least one of small molecules of the following raw material components: vinylethylene carbonate, vinylene carbonate, 2, 3, 4-trimethyl-1, 3-pentanedione, 2, 3, 4-trimethyl-1, 3-pentanedione and 2, 3, 4-trimethyl-1, 3-pentanedione. The adhesive is prepared from 2, 4-hexadienoic acid, allyl trifluoroacetate, diethyl allylmalonate, allyl methacrylate, allyl chloroformate, allyl phenylacetate, allyl acetate, allyl 4-hydroxybenzoate and allyl phenoxyacetate. The adhesive is prepared from the following raw materials: 1, 4-hexadienoic acid, allyl trifluoroacetate, diethyl allylmalonate, allyl methacrylate, allyl chloroformate, allyl phenylacetate, allyl acetate, allyl 4-hydroxybenzoate and allyl phenoxyacetate. The positive pole piece provided by the invention comprises the polymer, so that the interface impedance can be reduced, and the rate capability of the battery can be improved.

The invention relates to the technical field of styrene-acrylic emulsion, and provides styrene-acrylic emulsion for polymer cement waterproof mortar as well as a preparation method and application of the styrene-acrylic emulsion. The invention relates to a styrene-acrylic emulsion for polymer cement waterproof mortar. Raw materials of the adhesive comprise the following components in parts by weight: 180 to 195 parts of styrene, 210 to 240 parts of n-butyl acrylate, 40 to 56 parts of 2-ethylhexyl acrylate, 4 to 5 parts of diacetone acrylamide, 10 to 13 parts of hydroxyethyl acrylate, 0.6 to 0.9 part of a buffer agent, 2 to 2.6 parts of an initiator, 2 to 2.5 parts of a silane coupling agent, 5 to 6 parts of allyl methacrylate, 11.5 to 17 parts of an emulsifier, 1 to 3 parts of a defoaming agent, 1 to 3 parts of a bactericide and 450 parts of water. According to the technical scheme, the problem of poor impermeability of the polymer cement waterproof mortar containing styrene-acrylic emulsion in the prior art is solved.

The invention relates to a self-adaption-based thermally induced solid dimming material as well as a preparation method and application thereof. The dimming material is prepared from the following components in percentage by weight: 75 to 85 percent of octadecyl acrylate and 0 to 7 percent of allyl methacrylate. The thermotropic solid dimming material is used for preparing a self-adaptive thermochromic PVB (Polyvinyl Butyral) film. According to the invention, the powder material is embedded into the transparent resin, so that the temperature-sensitive characteristic of the film is enhanced, and the octadecyl acrylate monomer is used in emulsion polymerization, so that a thermotropic solid-state dimming material capable of changing color in a thermal response manner can be generated. A certain content of octadecyl acrylate in polymer synthesis enables the thermotropic solid dimming material to change color at the highest temperature of 40.2 DEG C, and the visible light transmittance exceeds 90%. In addition, by changing the content of allyl methacrylate, the discoloration temperature of the film can be finely adjusted in the range of 24.5 DEG C to 39.5 DEG C.

The invention relates to the technical field of cosmetics, and discloses flawless moisturizing and makeup fixing spray which is prepared from aloe barbadensis leaf juice, polyhydric alcohol, polyvinylpyrrolidone, acrylic ester / allyl methacrylate copolymer AMP salt, pullulan, an emulsifier, a preservative, deionized water and the like. By constructing a ternary synergistic film forming system of polyvinylpyrrolidone, the AMP salt copolymer and the pullulan, the steric hindrance effect of the pullulan is utilized to reduce the film forming internal stress and eliminate the skin tension, and the AMP salt copolymer is matched to improve the hydrophobicity of a film layer. According to the preparation method, a specific step-by-step variable-temperature dissolution process is adopted, polysaccharide is dissolved preferentially under a warm condition, then PVP is dispersed at a high speed, AMP salt is introduced after cooling, and polymer agglomeration is effectively avoided. The make-up fixing spray has high make-up holding power, excellent water resistance and low tightening feeling, the physicochemical property of the system is stable, and heat and cold resistance tests show that the make-up fixing spray is not layered and separated out.

The invention relates to a high-alcohol-resistance and thixotropy acrylic emulsion with a core-shell structure, a preparation method of the acrylic emulsion and application of the acrylic emulsion in water-based wine bottle paint, and the acrylic emulsion is prepared by taking an inner-layer core structure as a main component and containing a cross-linking monomer and taking an outer-layer shell structure as a main component under the action of an initiator and an emulsifier. The hydrophobic monomer is formed by compounding styrene, butyl acrylate, methyl methacrylate and hydroxyethyl methylacrylate; the hydrophilic monomer is formed by compounding methacrylic acid, butyl acrylate, methyl methacrylate and hydroxyethyl methylacrylate; and the cross-linking monomer is one or more of allyl methacrylate, diallyl phthalate and N-hydroxymethyl acrylamide. When the silver powder is applied to the water-based wine bottle paint, the obtained water-based wine bottle paint not only has good wine resistance but also has very good long-term storage stability while having good silver powder arrangement characteristics, and a serious post-thickening phenomenon is avoided.

The invention belongs to the technical field of coatings, and discloses a multipurpose varnish emulsion with excellent water whitening resistance, high hardness and brightness as well as a preparation method and application of the multipurpose varnish emulsion. The invention relates to a water-based adhesive which is prepared from the following components in percentage by mass: 8 to 12 percent of butyl acrylate, 30 to 35 percent of methyl methacrylate, 0.5 to 1.5 percent of diacetone acrylamide, 0.25 to 0.75 percent of adipic dihydrazide, 0.5 to 1 percent of allyl methacrylate, 0.5 to 1.5 percent of polyfunctional group crosslinking monomer, 0.5 to 1 percent of organic silicon crosslinking monomer, 0.2 to 0.5 percent of reactive emulsifier, 0.2 to 0.5 percent of persulfate and 50 to 55 percent of water. The cross-linking monomers, the emulsifier and the persulfate have specific selectable types. The preparation method comprises the steps of raw material preparation, pre-emulsification, seed emulsion preparation, polymerization reaction, heat preservation and curing, post-treatment and filtration, and the stirring speed, the reaction temperature and the dropwise adding time need to be accurately controlled. The emulsion is excellent in water whitening resistance and high in hardness, has a light effect, and is suitable for multiple scenes and high in practicability.

The invention provides a preparation method of 3-methacryloyloxy propyl dimethyl chlorosilane, and relates to the field of organic chemical industry, and the preparation method comprises the following steps: step S0, carrying out a process of determining the target adding speed of dimethyl chlorosilane and a mixed solution corresponding to a current batch of raw materials; the preparation method comprises the following steps: S1, mixing a catalyst, a polymerization inhibitor and allyl methacrylate according to the raw material ratio of 3-methacryloxypropyldimethylchlorosilane to form a mixed solution; s2, according to the raw material ratio of the 3-methacryloxypropyldimethylchlorosilane, determining the target adding speed of the dimethylchlorosilane and the mixed solution, and adding the dimethylchlorosilane and the mixed solution into the reaction device according to the target adding speed for reaction; reacting in the reaction device according to the target reaction temperature, the target reaction pressure and the target reaction time; and step S3, carrying out reduced pressure distillation on the reaction liquid obtained after the reaction in the step S2 to obtain the 3-methacryloxy propyl dimethyl chlorosilane. The method can adapt to the differences of different batches of raw materials in the aspects of purity and the like.

The invention discloses a bilirubin adsorbent as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, and the bilirubin adsorbent is characterized in that styrene and 1H-imidazole-1-carboxylic acid allyl ester are used as monomers, divinylbenzene and allyl methacrylate are used as cross-linking agents, and microspheres are prepared through multi-component mixing copolymerization; then carrying out quaternization reaction on the bilirubin adsorption resin to obtain the bilirubin adsorption resin with high selectivity, high adsorption performance and good biocompatibility; the preparation method has the beneficial effects that styrene and 1H-imidazole-1-carboxylic acid allyl ester are taken as monomers, an imidazole ring of the 1H-imidazole-1-carboxylic acid allyl ester and a pyrrole ring in bilirubin are five-membered rings and contain nitrogen atoms, and specific interaction is easily generated due to the similarity of the two structures; bilirubin molecules can be specifically recognized and adsorbed through the hydrogen-bond interaction and the pi-pi accumulation interaction, and the selectivity and adsorption performance on bilirubin are improved.

The invention belongs to the technical field of thermal expansion microspheres, and particularly relates to flame-retardant thermal expansion microspheres and a preparation method thereof. The method comprises the following steps: firstly, dissolving methyl methacrylate, allyl methacrylate and methacrylic acid in petroleum ether and other organic solvents, adding an emulsifier and an initiator to form a stable oil phase, and then forming a water-in-oil emulsion from the oil phase and a water phase in which a flame retardant is dissolved; under the action of an emulsifier and shearing force, the flame-retardant expanded microspheres are finally obtained. The flame retardant and water are wrapped in the microspheres, and when a certain temperature is reached, the microspheres expand, so that heat transfer is reduced, and the flame-retardant effect is improved. The flame-retardant thermal expansion microspheres prepared by the method have good expansion performance and flame-retardant performance.

This application relates to the technical field of building materials, and specifically discloses a preparation method of low-carbon 3D printing concrete with an ultra-low cement and high admixture cementitious system, which comprises the following raw materials in parts by weight: 30-50 parts of portland cement, 15-20 parts of kaolin, 20-30 parts of modified quartz sand, 0.5-2 parts of water reducing agent, 0.1-0.3 parts of hydroxypropyl methyl cellulose ether, 10-15 parts of microsilica, 1-3 parts of admixture, 8-12 parts of fly ash, 18-24 parts of allyl methacrylate, and 50-60 parts of water. The modified quartz sand is obtained by being wrapped and modified with liquid crystal polymer. The preparation method is as follows: Mix and stir the modified quartz sand and allyl methacrylate, then continue to add other dry materials for secondary stirring, and then add the water reducing agent and water in two equal amounts to obtain 3D printing concrete. The composition of this application can be used in the field of 3D concrete applications with high performance requirements, and has the advantages of high compressive strength and good volume stability.

The application relates to the field of power pipes, and discloses an impact-resistant MPP power pipe and a preparation method thereof, which comprises the following steps: stirring polypropylene resin, modified Zn-Ti hydrotalcite, an impact-resistant modifier, ammonium polyphosphate and an additive to obtain a mixture, and then extruding the mixture into a pipe in a double-screw extruder; the modified Zn-Ti hydrotalcite is prepared by grafting mercapto-rosin acid prepared by the reaction of rosin acid and mercaptoethylamine on the surface of Zn-Ti hydrotalcite coated with polydopamine; the impact-resistant modifier is prepared by seed emulsion polymerization by using butyl acrylate and allyl methacrylate as core layer monomers and a crosslinking agent, a double-bond modified phosphorus-containing monomer prepared by the reaction of diethyl phosphinic acid and glycidyl methacrylate, and hydroxyethyl acrylate as shell layer monomers, and grafting isocyanuric acid triglycidyl ester; the pipe prepared by the application has high tensile strength and impact strength, and simultaneously has good hydrophobic performance, ultraviolet aging resistance and flame retardation.

The invention discloses a diaphragm pump diaphragm with high fatigue resistance and a preparation method thereof, and belongs to the technical field of preparation of diaphragms for diaphragm pumps. The diaphragm comprises a corrosion-resistant layer and an elastic base layer, wherein the corrosion-resistant layer comprises 100 parts of ternary fluorine rubber, 10-15 parts of methyl divinyl silicone rubber, 5-8 parts of ethylene propylene diene monomer, 5-10 parts of perfluoroolefin monomer containing double bonds, 5-10 parts of allyl carbonate compound, 3-5 parts of cross-linking curing agent, 1-2 parts of vulcanizing agent, 3-5 parts of anti-aging agent and 0.2-0.5 part of accelerant; the elastic base layer comprises 100 parts of ternary fluorine rubber, 25-30 parts of methyl divinyl silicone rubber, 10-15 parts of ethylene propylene diene monomer, 10-15 parts of allyl methacrylate, 10-15 parts of an allyl carbonate compound, 3-5 parts of a cross-linking curing agent, 1-2 parts of a vulcanizing agent, 3-5 parts of an anti-aging agent and 0.2-0.5 part of an accelerant. The diaphragm of the diaphragm pump has high corrosion resistance and high flexure resistance, the creep difference between the corrosion-resistant layer and the elastic base layer can be reduced, the cross stress at the layer interface is reduced, and delamination is avoided.

This invention provides a self-healing silicon-based lithium-ion battery anode material, its preparation method, and its application. The self-healing silicon-based lithium-ion battery anode material comprises a nano-silicon particle core and a self-healing cross-linked polymer coating the surface of the nano-silicon particle core. The self-healing cross-linked polymer is obtained by cross-linking a linear polymer with a thiol compound via a thiol-Michael addition reaction. The linear polymer is obtained by free radical copolymerization of acrylonitrile and allyl methacrylate. This invention uses the self-healing cross-linked polymer as a coating layer, utilizing its flexibility and self-healing ability to effectively alleviate the stress accumulation caused by the huge volume expansion of silicon-based materials during charging and discharging. It has outstanding advantages such as high initial coulombic efficiency and excellent cycle stability, which can significantly improve the energy density and lifespan of lithium batteries, making it suitable for the production and application of high-performance lithium-ion batteries.

The invention relates to the field of glue preparation, in particular to a high-strength glue preparation system and method.The high-strength glue preparation method comprises the following steps that S1, water and polyvinyl alcohol are added into a mixing device, raw materials are made to flow back and forth to be fully stirred and mixed till the polyvinyl alcohol is completely dissolved, and a mixed solution A is obtained; s2, under the stirring condition, adding part of the emulsifier into the mixed solution A, then slowly adding vinyl acetate and an initiator, and continuously stirring to obtain a mixed solution B; s3, after the mixed solution B is cooled, adding sodium bicarbonate, dibutyl phthalate, diethylene glycol dibenzoate, octanol and isopropanol under a stirring condition, and uniformly mixing to obtain a mixed solution C; and S4, adding the residual emulsifier, allyl methacrylate, glycol dimethacrylate and toluene diisocynate into the mixed solution C, uniformly stirring and mixing, preserving heat at 45 DEG C, and cooling to room temperature to obtain the high-strength glue. The mixing device is used for enabling raw materials to flow back and forth to be fully stirred and mixed.

The invention relates to agomelatine as well as a crystal form and a preparation method thereof. The preparation method comprises the following steps: enabling 7-methoxy-1-tetralone and cyanoacetic acid to react in the presence of a catalytic amount of benzylammonium heptanoate under the condition of removing formed water, so as to obtain (7-methoxy-3, 4-dihydro-1-naphthyl) acetonitrile; in the presence of allyl methacrylate, enabling the previous product to react with a hydrogenation catalyst to obtain 7-methoxy-1-naphthyl acetonitrile; converting the nitrile compound into a primary amine; and treating the primary amine compound with acetic anhydride to obtain agomelatine separated in a solid form. The invention also provides a crystal form of agomelatine and application of agomelatine in preparation of a medicine for treating or preventing melatonin energy system diseases.

The invention relates to the technical field of beauty makeup products, and particularly discloses durable shaping transparent eyebrow dye and a preparation method thereof. The durable shaping transparent eyebrow dye is prepared from the following raw materials in parts by weight: 60 to 80 parts of a solvent, 0.5 to 1 part of an acrylic acid / VP cross-linked polymer, 0.03 to 0.08 part of a pH regulator, 20 to 25 parts of ceteareth-30, 0.5 to 0.8 part of phenoxyethanol, 1 to 3 parts of caprylyl glycol, 0.0008 to 0.1 part of a thickening agent, 1 to 3 parts of butanediol and 1 to 5 parts of an acrylic acid / allyl methacrylate copolymer AMP salt solution. Under the synergistic effect of all the components, the eyebrow dye can be promoted to have a lasting and stable makeup effect.

The application discloses a preparation method of methacryloxy silane, comprising the following steps: adding allyl methacrylate into a solution containing trialkoxysilane and a platinum catalyst and a polymerization inhibitor, and reacting under heating to obtain 3-(methacryloxy) propyl trialkoxysilane; the platinum catalyst is composed of platinum acetylacetone and a promoter; the promoter is one or more of amine or phosphine organic reagents. The method avoids the occurrence of side reactions such as beta-addition, limits side reactions such as trialkoxysilane redistribution and product polymerization, improves the selectivity and yield of the product, reduces the total chlorine content of the product, and reduces the catalyst consumption.

The disclosure provides lenses for treating ocular diseases, including a bowl-shaped silicone hydrogel carrier and umbilical cord mesenchymal stem cells loaded on the carrier; the bowl-shaped silicone hydrogel carrier is polymerized from an organosilicone monomer and a hydrophilic monomer under the action of a cross-linking agent and an initiator; the organosilicone monomer is polymerized from a hydrogenated silicone oil and allyl methacrylate under the action of a polymerization inhibitor and a catalyst; and the umbilical cord mesenchymal stem cells are treated with irradiation.

This invention discloses a bilirubin adsorbent, its preparation method, and its uses, belonging to the field of polymer materials technology. The key feature is the preparation of microspheres using styrene and 1H-imidazolium-1-carboxylic acid allyl ester as monomers and divinylbenzene and allyl methacrylate as crosslinking agents through multi-component copolymerization. These microspheres are then subjected to a quaternization reaction to obtain a bilirubin adsorbent resin with high selectivity, high adsorption performance, and good biocompatibility. The beneficial effects of this invention are: using styrene and 1H-imidazolium-1-carboxylic acid allyl ester as monomers, the imidazole ring of 1H-imidazolium-1-carboxylic acid allyl ester and the pyrrole ring in bilirubin are both five-membered rings containing nitrogen atoms. The similarity between the two structures easily leads to specific interactions, enabling the specific recognition and adsorption of bilirubin molecules through hydrogen bonding and π-π stacking interactions, thus improving the selectivity and adsorption performance of bilirubin.

The invention relates to the technical field of coatings and fine chemical engineering, and discloses a preparation method of wear-resistant high-temperature-resistant flame-retardant carbon black color paste, which comprises the following steps: (1) dispersing carbon black in N, N-dimethylformamide (DMF), and carrying out ultrasonic treatment to obtain a carbon black suspension; (2) adding tridecafluorooctyltriethoxysilane (F13TEOS) and ethanol into the carbon black suspension, heating and stirring to react, separating lower-layer suspension after the reaction is finished, washing and filtering to obtain fluorosilane modified carbon black; and (3) carrying out a copolymerization reaction on dimethylaminoethyl methacrylate and allyl methacrylate in the presence of a dithiocarbonate chain transfer agent to synthesize the bifunctional dispersant. Compared with the prior art, the color paste has the advantages that carbon black is subjected to fluorosilane hydrophobic modification, and the specific bifunctional dispersing agent is combined, so that the wear resistance, the high temperature resistance and the flame retardance of the color paste are remarkably improved, and meanwhile, the original coloring performance and stability of the color paste are kept.

The invention discloses a preparation method of high-strength heat-resistant polymethacrylimide foam, and relates to a preparation method of polymethacrylimide foam. The invention aims to solve the problems of high price of PMI foam prepared from methacrylonitrile and poor mechanical property and heat resistance of PMI foam with low foam density in the prior art. The method comprises the following steps: 1, weighing; 2, prepolymerization; 3, polymerizing; 4, foaming; and 5, heat treatment. According to the invention, ethylene glycol dimethacrylate, allyl methacrylate and triallyl isocyanurate are taken as cross-linking agents, so that areas without six-membered imide rings are connected to form a cross-linked network-shaped body structure, and the mechanical and heat-resistant properties of copolymer foam can be greatly improved. The invention effectively solves the problem that the price of PMI foam is always high due to the expensive price of the raw material methacrylonitrile, and also solves the disadvantage of high toxicity of the common foaming agent formamide.

The invention provides a reactive organosilicon polymer, and a preparation method and application thereof. The preparation method comprises the following steps: (1) reacting linear silicone oil with two ends containing hydrogen with allyl methacrylate in the presence of a noble metal catalyst and a polymerization inhibitor to prepare modified silicone oil with two ends functionalized by acrylate; (2) telomerization is carried out on the modified silicone oil with two ends functionalized by acrylate in the step (1) and high-hydrogen-content silicone oil and / or a siloxane ring body to obtain side chain hydrogen-containing silicone oil; and (3) carrying out hydrosilylation reaction on the side chain hydrogen-containing silicone oil obtained in the step (2) and allyl polyether and / or allyl methacrylate to obtain the reactive organosilicon polymer. The organosilicon polymer prepared by the invention is used as a slipping and leveling auxiliary agent of radiation curing coating or printing ink, can effectively prevent Benard vortexes from being generated, and has the functions of leveling and shrinkage cavity inhibition.

The invention discloses an acrylic ester extra-black deepening agent emulsion for superfine denier polyester as well as a preparation method and application of the acrylic ester extra-black deepening agent emulsion, and belongs to the technical field of textile chemicals. N-hydroxymethyl acrylamide and diacetone acrylamide are used as functional monomers; a Tween-40 / hexadecyl trimethyl ammonium chloride nonionic / cationic compound emulsifier is adopted; azobis (isobutylamidine hydrochloride) is selected as the initiator; the emulsion is prepared through a semi-continuous seed emulsion polymerization process, the particle size of the emulsion is 50-80 nm, the room-temperature placement stability is larger than or equal to 6 months, the mass percent of the effective components is 25-35%, and the balance is deionized water. The deepening agent can be firmly combined with the surface of the superfine denier polyester fiber through the synergistic effect of all monomers, the blackness value and color fastness of the fiber are remarkably improved, and meanwhile the soft hand feeling and good physical and mechanical properties of the fabric are kept.

A composition includes the reaction products of sulfur monochloride with an allyl methacrylate. The compositions described herein provide photopolymers and. thermosetting polymers with attractive optical properties (RI, transparency) and thermomechanicals (high Tg).