33 results about "Methacrylate copolymer" patented technology

The application relates to the technical field of cosmetics, in particular to a high-concealment makeup-maintaining air cushion and a preparation method thereof. A film forming agent in the high-concealment makeup-maintaining air cushion comprises the following: trimethylsiloxy silicate 5-7 parts, isododecane 0.3-0.7 parts, and acrylic acid (ester) / polymethyltrimethicone methacrylate copolymer 2-3 parts. A colorant comprises the following raw materials in parts by weight: titanium dioxide 5-7 parts, silica 0.8-1.2 parts, mica powder 5-7 parts, CI 77492 0.4-0.8 parts, aluminum hydroxide 0.8-1.2 parts, CI 77491 0.4-0.6 parts, triethoxyl octyl silane 0.8-1.2 parts, and CI 77499 0.3-0.5 parts. The particle size of the titanium dioxide at least comprises any two of 4 nm, 30-50 nm and 200-260 nm. The air cushion has the advantages of prolonging the makeup-maintaining time of the air cushion and improving the concealment effect.

The application discloses a nucleating agent, a non-woven fabric and a preparation method and application thereof. The nucleating agent comprises inorganic nucleating agents and high molecular nucleating agents; the inorganic nucleating agents comprise at least one of carboxyl modified nano-silica, nano-calcium carbonate and sharp titanium type nano-titanium dioxide; the high molecular nucleating agents comprise at least one of a wholly aromatic polyester, ethylene-methacrylic acid copolymer sodium salt and a long chain carboxylic acid salt; and the nucleating agent is in the form of a water dispersion. The nucleating agent comprises inorganic nucleating agents and high molecular nucleating agents, and can quickly induce nucleation at a lower temperature, reduce crystallization enthalpy and significantly improve the crystallization rate, so that the mechanical properties, dimensional stability and thermal stability of the non-woven fabric are enhanced. The use of the nucleating agent makes the fiber structure of the non-woven fabric more uniform and dense, reduces the crystallization temperature, improves the mechanical properties, and reduces shrinkage and deformation during use.

The invention relates to stimuli-responsive hydrogel for repairing tissue damage and a preparation method of the stimuli-responsive hydrogel, and the hydrogel is prepared from the following components in parts by weight: 6 to 8 parts of modified isocyano ethyl methacrylate, 2 to 4 parts of modified chitosan, 0.2 to 0.3 part of N, N '-methylene bisacrylamide, 0.1 to 0.2 part of ammonium persulfate and 3 to 5 parts of deionized water. The preparation method comprises the following steps: dissolving modified isocyano ethyl methacrylate and modified chitosan in deionized water, uniformly stirring to prepare a solution, adding N, N '-methylenebisacrylamide and ammonium persulfate, uniformly stirring by using a magnetic stirrer, transferring the mixed solution into a closed reaction container, introducing nitrogen for 10-15 minutes, putting the reaction container into a water bath at 60-80 DEG C, reacting for 30-60 minutes, filtering, washing, and drying to obtain the modified chitosan / isocyanatoethyl methacrylate copolymer. The stimuli-responsive hydrogel for tissue damage repair is obtained. The hydrogel disclosed by the invention has a multi-stimulation response controlled release mechanism and good dynamic network self-healing performance.

The invention provides temperature-controlled hydrogel and a preparation method thereof, and belongs to the technical field of compositions of high-molecular compounds. The preparation method of the temperature control hydrogel comprises the following steps: preparing a polyglutamic acid-metacrylic acid ester copolymer, preparing composite chitosan, modifying fullerene with chitosan, and mixing. According to the temperature control hydrogel prepared by the invention, the swelling ratio of the temperature control hydrogel is 19.97-21.72 g / g, the swelling ratio of the hydrogel is high, the hydrophilicity of a hydrogel network is strong, the fullerene dispersity is good, and the biocompatibility is enhanced; the compression strength of the temperature control hydrogel ranges from 149.7 kPa to 152.3 kPa, the compression modulus ranges from 25.9 kPa to 28.6 kPa, the fracture deformation ranges from 70.5% to 73.1%, the mechanical performance of the temperature control hydrogel is excellent, and the critical solution temperature of the prepared hydrogel ranges from 31.12 DEG C to 31.35 DEG C.

The invention provides a decrystallized anthracene oil viscosity reducer. The decrystallized anthracene oil viscosity reducer comprises the following components in percentage by mass: 39.5-48.2% of fatty alcohol ether sodium sulfate; 8.2%-10.1% of coco-glucoside, and the balance of water; 5.7%-7.0% of an octadecyl methacrylate copolymer; 4.1%-5.0% of cocamidopropyl betaine, and the balance of water; 24.7% to 30.1% of propylene glycol monobutyl ether; and 7.8%-9.5% of propylene glycol. The high-fluidity decrystallized anthracene oil composition consists of decrystallized anthracene oil and a viscosity reducer, wherein the mass ratio of the decrystallized anthracene oil to the viscosity reducer is 1: (0.5-0.8). The invention further provides a preparation method of the high-fluidity decrystallized anthracene oil composition. The viscosity reducer for the decrystallized anthracene oil is a composite viscosity reducer, the viscosity of the decrystallized anthracene oil can be effectively reduced, meanwhile, when the viscosity reducer and the decrystallized anthracene oil are prepared, the dosage of the viscosity reducer is small, and the dilution problem of the decrystallized anthracene oil can be remarkably solved.

This application relates to the field of pharmaceutical formulation technology, and particularly to a cefcarditol hydrochloride pulse formulation and its preparation method. The cefcarditol hydrochloride pulse formulation of this application comprises a first particle, a second particle, and a third particle. Each particle, from the inside out, has a particle layer, an isolation layer, and a pulse layer. The pulse layer comprises a film-forming agent and an anti-adhesion agent. The film-forming agent in the first, second, and third particles sequentially comprises one or more of the following: butyl methacrylate-(2-dimethylaminoethyl) methacrylate-methyl methacrylate copolymer, methacrylate-ethyl acrylate copolymer, methacrylate-methyl acrylate copolymer, methyl acrylate-methyl methacrylate-methacrylate copolymer, and shellac. The cefcarditol hydrochloride pulse formulation of this application allows for once-daily dosing, effectively alleviating the problems of difficulty in taking cefcarditol hydrochloride tablets and poor patient compliance.

The invention discloses a preparation method of an extra-high-viscosity PE film, and relates to the field of high polymer material processing, and the preparation method comprises the following steps: feeding metallocene linear low-density PE, hydrogenated star-shaped SIS, an ethylene-zinc methacrylate copolymer and an aminated nanotube into a three-layer co-extrusion blow molding machine, heating, and stirring, melting and extruding through the three-layer co-extrusion blow molding machine; the raw materials extruded in the first step flow out through a die head and then are cooled to preliminarily form a film; and cooling the film obtained in the step 2, and rolling the film by a rolling machine to obtain the self-adhesive protective film. Therefore, after three-layer co-extrusion molding is performed according to the formula, high viscosity is realized through physical entanglement of star SIS molecular chains and dynamic repair of ionomer ionic bonds; the excellent performance of repeated pasting for more than five times is supported; through amino and SIS double-bond reaction, the interface heat conduction / mechanical strength is improved, a heat conduction network balances low-temperature stress, cracking under the local low-temperature condition is prevented, and the low-temperature viscosity retention rate is larger than 90% under the condition of minus 40 DEG C.

The application discloses an energy-saving emulsified asphalt mixture and a preparation method thereof, and belongs to the field of road engineering materials. The energy-saving emulsified asphalt mixture is prepared from petroleum asphalt, polymeric condensed polycyclic aromatic hydrocarbon amide, citric acid fatty acid glyceride, acrylic acid (ester) / behenyl alcohol polyether-25 methacrylate copolymer, hydrochloric acid solution, curing modifier, aggregate, filler, admixture and the like in a specific proportion. Compared with the prior art, the asphalt mixture has the characteristics of low mixing and construction temperature, excellent road performance and the like.

The invention relates to the field of water treatment, and discloses a self-tracing type scale and corrosion inhibitor based on a novel fluorescent copolymer and a preparation method, and the scale and corrosion inhibitor comprises the following components: the novel fluorescent copolymer, an auxiliary polymer, a conventional AMPS copolymer, organic phosphonate, zinc salt and the balance of water. The novel fluorescent copolymer is obtained by carrying out copolymerization reaction on a fluorescent monomer B, acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid; and the fluorescent monomer B is prepared by reacting 4-chloro-1, 8-naphthalic anhydride with 3-dimethylaminopropylamine, reacting the product with sodium methoxide, and further reacting the obtained intermediate with chloropropene. And the auxiliary polymer is a lauryl methacrylate-N, N-dimethylaminoethyl methacrylate copolymer. According to the self-tracing type scale and corrosion inhibitor, the fluorophore is covalently bonded to a polymer main chain, accurate online monitoring of the concentration of the agent is achieved, and the self-tracing type scale and corrosion inhibitor has excellent scale and corrosion inhibition performance.

The invention belongs to the field of plastic processing, and discloses a composite toughening agent, a polylactic acid composition, a preparation method of the polylactic acid composition, polylactic acid granules, application of the polylactic acid granules and electret toughened polylactic acid melt-blown cloth. Wherein the content of the ethylene-methacrylate copolymer grafted with glycidyl methacrylate is 1-30 parts by weight, preferably 1-15 parts by weight, relative to 100 parts by weight of polycaprolactone. The composite toughening agent is a toughening system capable of being in synergistic effect with an electret formula, EMA-g-GMA in the formula can increase the compatibility of a polycaprolactone component and a polylactic acid matrix and can promote the dispersion effect of the electret in matrix resin, and finally the flexibility and the electret effect of the material are improved at the same time.

This invention discloses a method and application for extracting acrylate monomers from high-content film-forming agent products. The extraction method includes: simultaneously extracting 2-hydroxyethyl methacrylate and dimethylhexyldicarbamate (HEMA) from the high-content film-forming agent product using an organic solvent to obtain a product extract; wherein the high-content film-forming agent product includes oily nail polish and / or nail gel; and the organic solvent includes tetrahydrofuran and n-hexane. This invention uses organic solvents to extract products containing film-forming agents such as vinylcaprolactam / VP / dimethylaminoethyl methacrylate copolymer, acrylic resin and dimethylsiloxane copolymer, and acrylic copolymer, enabling simultaneous extraction of HEMA and dimethylhexyldicarbamate (HEMA) from products containing film-forming agents and nitrocellulose; it also solves the defects of easy column contamination and column pressure rise in subsequent detection.

This invention discloses a single-cell nanoencapsulated probiotic microcapsule and its preparation method. The probiotic microcapsule consists of a core material encapsulated by a wall material. The wall material comprises two layers: an outer layer of methacrylate copolymer and an inner layer of metal-polyphenol network loaded with small-molecule oligosaccharides. The core material is probiotics. This probiotic microcapsule utilizes a single-cell nanoencapsulation method, which is simple and easy to operate, and can form a nanoscale functional coating on the surface of a single probiotic. The single-cell nanoencapsulated probiotic microcapsule provided by this invention not only has a particle size almost similar to that of a single probiotic, but also, through the synergistic effect of the inner and outer wall materials, endows the probiotic with excellent resistance to gastrointestinal digestion and intestinal targeted adhesion and colonization capabilities. Furthermore, the addition of small-molecule oligosaccharides makes the network structure of the coating denser and enhances the stability of the probiotics during storage and transportation.

This invention discloses a guanifacine hydrochloride sustained-release tablet and its preparation method. The method includes placing a granulated / mixed, tableted guanifacine hydrochloride pharmaceutical composition into a hot air device for drying. The hot air device is selected from a coating machine or an oven, and the hot air temperature ranges from 30 to 70°C. After drying, the resulting guanifacine hydrochloride sustained-release tablet has a moisture content ≤4.0% by weight, preferably ≤3.5% by weight. The guanifacine hydrochloride pharmaceutical composition contains guanifacine hydrochloride, lactose, microcrystalline cellulose, hydroxypropyl methylcellulose, methacrylate copolymer, fumaric acid, glyceryl behenate, sodium stearate fumarate, and micronized silica gel. This hot air drying process effectively controls the total impurities of the guanifacine hydrochloride sustained-release tablets to ≤1.0% and the single impurities to ≤0.1%. This process improves the safety and stability of the drug, is easy to operate, and is suitable for commercial production.

The invention relates to the field of functional materials, and discloses a high-voltage wiring harness ribbon material for a new energy automobile and a preparation method of the high-voltage wiring harness ribbon material. A high-voltage wiring harness tie material for a new energy automobile is prepared by dipping a needle-punched non-woven fabric in a composite glue solution and curing the needle-punched non-woven fabric, and the composite glue solution is prepared from the following raw materials in parts by weight: 28-38 parts of a waterborne polyurethane emulsion, 15-25 parts of a styrene / dodecafluoroheptyl methacrylate copolymer emulsion, 1-3 parts of 1, 2-propylene glycol, 1-3 parts of a curing agent, 1-3 parts of a curing agent and 1-3 parts of a curing agent. The coating is prepared from the following components in parts by weight: 4-8 parts of dimethyl 1, 4-cyclohexane dicarboxylate, 20-30 parts of filler, 3-6 parts of a homogenizing agent, 0.1-0.3 part of a curing agent and 60-80 parts of water. The prepared high-voltage wire harness binding belt material has good mechanical strength and flexibility, and the problems of cracking and loosening are not prone to occurring after long-term use.

The invention discloses a polypropylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. On one hand, the invention provides a polypropylene composite material modifier, which comprises a copolymer of octadecyl methacrylate and polyethylene glycol (400) dimethacrylate. On the other hand, the invention also relates to a polypropylene composite material which comprises the following raw materials in parts by weight: 51-88 parts of PP resin; compared with the prior art, the self-made modifier is added, so that the surface polarity and interface bonding force of the polypropylene material can be improved, the prepared polypropylene composite material is applied to a coating part or a paint spraying plastic part, the use of a surface treatment process of the part can be reduced, and the polypropylene composite material is safer, more environmentally friendly and more efficient.

The invention relates to a non-emulsified sunscreen composition and a preparation method thereof. Comprising the following raw materials in percentage by mass: 1 to 1.4 percent of acrylic acid / stearyl alcohol polyether-20 methacrylate copolymer, 0.064 to 0.096 percent of microcrystalline cellulose, 0.01 to 0.03 percent of cellulose gum, 0.04 to 0.06 percent of sphingomonas fermentation product extract, 0.01 to 0.03 percent of pseudo-ginseng root extract, 0.45 to 0.55 percent of dimethylsilanol hyaluronate, 0.1 to 0.3 percent of silica, 0.2 to 0.4 percent of polymethylsiloxane, 20 to 30 percent of sun-screening agent, 10 to 20 percent of emollient and the balance of water. The sunscreen composition has the advantages that the stability is good, and the sunscreen composition has a high-power sunscreen function.

The invention discloses gamma ray irradiation resistant optical glue as well as a preparation method and application thereof, and belongs to the field of adhesive composition and preparation. The formula of the optical glue comprises an acrylate monomer and a methacrylate monomer which are specifically combined and proportioned, and nano silicon dioxide is used as a radiation stabilizer, and a benzene ring-containing plasticizer is used cooperatively. The core of the technical scheme is a specific acrylate-methacrylate copolymer system, nano silicon dioxide is introduced as a radiation stabilizer, a benzene ring-containing plasticizer is added, and the overall good effect that the glue is resistant to gamma ray irradiation is achieved by utilizing the synergistic effect of the nano silicon dioxide and the benzene ring-containing plasticizer. According to the invention, photooxidation and free radical chain reaction which cause yellowing are inhibited in a targeted manner, and the anti-yellowing performance and the like are more excellent. The method is crucial for optical coupling application, can maintain high light transmittance for a long time, and ensures that the signal-to-noise ratio of the detector is not degraded.

The invention discloses an environment-responsive steel structure nano-composite anticorrosive coating composition, which is prepared from the following raw materials in parts by mass: 100 parts of coating resin dispersion, 2 to 2.4 parts of pH responsive polymer microcapsules and 1.1 to 1.4 parts of dispersing agent, the particle size of the pH responsive polymer microcapsules is 300 to 500 nm, and a slow release agent is coated in the pH responsive polymer microcapsules. The wall material of the pH responsive polymer microcapsule is a dimethylaminoethyl methacrylate (DMAEMA)-methacrylic acid (MAA) copolymer; and the slow-release agent comprises benzotriazole (BTA) and sodium molybdate, so that intelligent response in an acid-base environment is realized, accelerated failure of the coating is effectively prevented, and the long-acting protection anti-corrosion effect of the coating of the coating composition is remarkably improved.

To provide a dicing tape or the like capable of making it compatible that a semiconductor chip can be satisfactorily manufactured by making a semiconductor wafer into small pieces, and that satisfactory pickup properties can be exhibited.SOLUTION: The dicing tape includes a base material layer and an adhesive layer laminated on one surface of the base material layer, wherein the adhesive layer contains a (meth) acrylic polymer containing an acrylate-methacrylate copolymer, and the ratio of the acrylate-methacrylate copolymer in the (meth) acrylic polymer is 50% or more.SELECTED DRAWING: Figure 1

The invention discloses paste resin special for low-sulfated ash wallpaper and a preparation method of the paste resin, and belongs to the field of resin for vinyl chloride paste. Comprising a vinyl chloride monomer, deionized water, emulsion seeds, micro-suspension seeds, a compound emulsifier, modified starch, an activating agent, a buffering agent, a stabilizing agent and a defoaming agent. Wherein the modified starch is a hydroxypropyl starch-methacrylate copolymer. The modified starch capable of participating in copolymerization is introduced as a functional component to partially replace or cooperate with a traditional emulsifier, so that inorganic residues derived from micromolecular emulsifier metal salt in final resin are remarkably reduced. Meanwhile, the preparation polymerization process is optimized, and the particle morphology of the final resin is cooperatively controlled. According to the invention, the sulfated ash content is reduced synergistically from the formula source and the technological process, and the obtained paste resin is low in ash content, stable in paste viscosity and excellent in coating performance.

The invention belongs to the field of new daily chemical materials, and discloses an anti-dandruff composition based on antibacterial and anti-inflammatory dual pathways, which comprises an antibacterial composition and an anti-inflammatory composition, the antibacterial composition comprises lactic acid, a crocus sativus flower extract and an acrylic acid (ester) / dimethylaminoethyl methacrylate copolymer; the anti-inflammatory composition comprises a tussilago farfara leaf extract, a yeast fermentation product extract and a candida albicans / glucose / rapeseed methyl oleate fermentation product, the composition contains an antibacterial composition and the anti-inflammatory composition, and an antibacterial pathway of the antibacterial composition is used for effectively inhibiting the growth of malassezia and reducing irritant sources from the source; the anti-inflammatory pathway of the anti-inflammatory composition is to relieve the scalp, reduce the level of inflammatory factors, repair the scalp barrier and reduce abnormal shedding. Through the combination, the dual effects of radically inhibiting microorganisms and relieving inflammation for a long time are achieved, meanwhile, the mildness of the product is guaranteed, and the product is suitable for long-term use. Meanwhile, the invention further provides application and cosmetics of the composition.

This invention discloses a heat-remodeling, quick-drying, moisture-resistant setting spray and its preparation method. By weight, it comprises the following components: 25-35 parts ethanol, 15-25 parts isododecane, 0.5-2 parts water, 2-5 parts polyurethane-14 / AMP-acrylate copolymer, 2-5 parts trimethylsiloxysilicate, 1-5 parts VP / dimethylaminoethyl methacrylate copolymer, 3-8 parts cyclopentamethoxysiloxane, 2-5 parts diethylhexyl carbonate, 1-3 parts phenyl polytrimethylsiloxane, 0.2-1 parts vegetable oil, 0.1-0.8 parts tocopheryl acetate, and 0.3-1.5 parts panthenol. This heat-reshapeable, quick-drying, moisture-resistant hairspray utilizes an interpenetrating network formed by polyurethane-14 / AMP-acrylate copolymer and trimethylsiloxysilicate. The multiple components work together and influence each other, achieving multiple benefits simultaneously, including quick-drying, moisture resistance, long-lasting hold, heat-resistant drying, heat reshaping, and effective protection against heat damage. It simplifies user care steps, meets the needs of modern consumers for efficiency and convenience, and has excellent commercial value.

Provided are: a resin composition, a molding material, and a resin molded body having exceptional flexibility, oil resistance, and tensile elongation; and an additive for a polyester-based elastomer. This resin composition contains a polyester-based elastomer (A), and a (meth)acrylic copolymer (B) that is a block copolymer and / or a graft copolymer. This molding material uses the resin composition. This resin molded body is obtained by molding the molding material. The acrylic copolymer (B) is preferably a block copolymer and / or a graft copolymer containing, in the same molecule, a polymer (B1) that contains 60 mass% or more of units derived from methyl methacrylate and a polymer (B2) that has a glass transition temperature of 0°C or lower.

The present invention provides: a molding material which has excellent impact resistance and excellent heat resistance while containing a resin waste material; a molded body; a lighting fixture for a vehicle; and a method for producing a molding material. A molding material according to the present disclosure comprises: a ground resin waste material which includes a lamp cover that contains a first methacrylic copolymer (A) having a glass transition temperature of 100-121°C and a lamp housing that contains a first styrene resin (B) which is composed of one or more resins selected from the group consisting of an ABS resin, an AES resin, and an ASA resin and has a notched Charpy impact value of less than 20 kJ / m2; and a second methacrylic copolymer (C) having a glass transition temperature of 122-150°C. This molding material has a notched Charpy impact value of 10 kJ / m2 or more and a Vicat softening temperature of 110°C or more, and contains 5-40 mass% of the first methacrylic copolymer (A), 10-55 mass% of the first styrene resin (B), and 5-50 mass% of the second methacrylic copolymer (C).

The present invention is a composition comprising an aqueous dispersion of a copolymer with structural units of dimethylaminoethyl methacrylate and an acid functionalized monomer, wherein the copolymer has a number average molecular weight in the range of from 15,000 g / mol to 35,000 g / mol, and a polydispersity in the range of from 1.8 to 3.0. The composition of the present invention is useful as an additive that provides improved shelf stability for binders suitable for traffic paint formulations.

This invention provides an inorganic self-healing material admixture, its preparation method, and its application, relating to the field of building materials technology. The inorganic self-healing material admixture of this invention comprises the following raw materials in parts by weight: 45-50 parts silicate cement powder, 22-26 parts nano-calcium carbonate, 7-9 parts calcium lactate, 18-22 parts starch-coated sodium silicate, 18-22 parts silane-modified silica nanospheres, and 4-6 parts vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer. This invention improves the efficiency and effect of self-healing of concrete cracks, achieving a 100% repair rate in 28 days, realizing complete healing and restoration of mechanical properties; it improves the density and interfacial bonding of the repair product, ensuring a tight bond between the repair product and the matrix; it also enhances various properties of the inorganic self-healing material admixture, such as flexural and compressive strength, and enables crack repair even under water immersion conditions.

The invention discloses a sunscreen cosmetic composition with excellent waterproofness and use feeling and a preparation method of the sunscreen cosmetic composition, and belongs to the technical field of cosmetics. The composition comprises a sun-screening agent, an oil-dispersible film-forming agent and a water-dispersible film-forming agent, the oil-dispersible film-forming agent is selected from one or more of polydimethylsiloxane, organic silicon resin and acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer; the water-dispersible film-forming agent comprises at least one of an acrylic acid (ester) copolymer and an acrylic acid (ester) / ethyl hexyl acrylate copolymer. Through specific combination and synergistic effect of the two film-forming agents, a compact and breathable composite protective film is formed on the skin surface, and the technical problem that a traditional sunscreen product is difficult to give consideration to high waterproofness and refreshing skin feeling is successfully solved. The composition is in an oil-in-water dosage form, can still keep a relatively high sunscreen index after being soaked in water, and simultaneously endows the skin with an excellent use feeling of lightness and non-stickiness.

The invention relates to a waterproof breathable coating solution, a preparation method thereof and an application of the waterproof breathable coating solution in preparation of an outer membrane of a synthetic aromatic bead. The waterproof breathable coating liquid comprises the following raw materials in percentage by weight: 20-40% of a film-forming agent, 2-5% of a plasticizer, 5-10% of a filler, 1-5% of a lubricant, 1-5% of an emulsifier, 0.1-0.5% of a lake and the balance of an ethanol solution, wherein the film-forming agent is a composition of a quaternary amine methacrylate copolymer type A, dodecyl trimethoxy silane and castor oil isostearate succinate, and the film-forming agent is a compound of a quaternary amine methacrylate copolymer type B, dodecyl trimethoxy silane and castor oil isostearate succinate; the filler is titanium dioxide and talcum powder. According to the coating solution, a layer of breathable and waterproof multifunctional film is formed on the surface of the synthetic aromatic bead through the synergistic effect of the film-forming agent, the filler and other components. The micropore structure allows the fragrance to be slowly released, the hydrophobic layer and the weather-resistant material ensure long-acting water resistance and mechanical protection, and finally dynamic balance between fragrance emission and the waterproof effect is achieved.