52 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 invention relates to the technical field of textiles, in particular to a breathable and warm-keeping textile fabric and a preparation method thereof.The fabric comprises a skin-friendly layer and a protective layer and is formed by weaving modified yarn made of graphene modified acrylate, the skin-friendly layer is aerosol modified cotton fiber, and the protective layer is a methacrylate copolymer. During preparation, the skin-friendly layer is subjected to the steps of raw cotton treatment, allyl ether grafting, mixed spinning with aerosol dispersion liquid and the like; the protective layer is prepared through monomer polymerization, film casting and plasma treatment; finally, a finished product is obtained through modified yarn stitch-bonding and hot melt adhesive compounding. Through a unique raw material formula and process, the fabric effectively balances the thermal insulation and air permeability, improves the tensile strength, wear resistance, water resistance, softness and other properties, can be widely applied to the fields of daily wear, outdoor clothes and the like, and meets the requirements of people for high-performance textile fabrics.

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.

A composition for the production of polyurethane foam has a polyol component having at least one recycled polyol, a polyisocyanate component, at least one catalyst, and at least one blowing agent. The polyol component has at least one recycled polyol. The composition additionally has at least one acrylate and / or methacrylate copolymer as foam stabilizer. The at least one acrylate and / or methacrylate copolymer is present in a total amount of 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight, particularly preferably 0.5 to 8 parts by weight, based on 100 parts by weight of the total polyol component.

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 technical field of polyester film preparation, and relates to a preparation method of a nano composite polyester film with high weather resistance, which comprises the following steps: firstly, adding a maleic anhydride grafted copolymer into a system after polyester esterification reaction is finished, enabling an anhydride group of the maleic anhydride grafted copolymer to be subjected to esterification reaction with a hydroxyl group at a polyester chain end, and then carrying out polycondensation reaction to obtain the nano composite polyester film with high weather resistance. A polyester resin matrix is obtained; then premixing a part of the polyester resin matrix with the organic modified montmorillonite, so that the organic modified montmorillonite forms a lamellar dispersion structure in the polyester resin matrix to obtain a mixture A; mixing and dispersing the residual part in the polyester resin matrix and the glass fiber of which the surface is treated by the silane coupling agent to obtain a mixture B; and finally, mixing the mixture A and the mixture B, adding ethylene propylene rubber and an ethylene-methacrylate copolymer, and carrying out twin-screw extrusion molding to prepare the nano composite polyester film. According to the method, the interface bonding performance can be remarkably improved, and the reinforcing and toughening effects are achieved.

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.

The invention relates to a composition for producing polyurethane foams, comprising a polyol component, a polyisocyanate component, at least one catalyst, at least one blowing agent, said polyol component comprising at least one recycled polyol, and wherein the composition additionally contains at least one acrylate and / or methacrylate copolymer as a foam stabilizer wherein the at least one acrylate and / or methacrylate copolymer is present in a total amount of 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight, particularly preferably 0.5 to 8 parts by weight, based on 100 parts by weight of the total polyol component, and wherein the composition further contains at least one acrylate and / or methacrylate copolymer as a foam stabilizer, and wherein the at least one acrylate and / or methacrylate copolymer is present in a total amount of 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight, particularly preferably 0.5 to 8 parts by weight, based on 100 parts by weight of all polyol components.

The present invention relates to a durable antistatic finish copolymer for polyester fabrics and its preparation method. The finish copolymer comprises the following copolymer units: 1) 20-40% by weight of an unsaturated terephthalate ester copolymer containing two double bonds; 2) 40-65% by weight of polyethylene glycol methyl ether methacrylate copolymer units; and 3) 5-25% by weight of an unsaturated phosphate copolymer unit. The durable antistatic finish of the present invention exhibits excellent stability, and polyester fabrics treated with the finish exhibit excellent antistatic properties and washability.

The invention relates to the technical field of cosmetics, in particular to a quick-drying shaping spray and a preparation method thereof, and particularly relates to a hair shaping product which realizes quick drying and lasting shaping through the synergistic effect of a specific film-forming agent and a volatile system and has a hair care effect. Comprising the following components in percentage by weight: 30 to 50 percent of ethanol, 0.1 to 1 percent of aminomethyl propanol, 1 to 5 percent of butanediol, 5 to 15 percent of octyl acrylamide / acrylic acid (ester) / butylaminoethyl methacrylate copolymer, 0.5 to 2 percent of PEG-12 polydimethylsiloxane, 0.1 to 2 percent of keratin, 0.1 to 2 percent of hydrolyzed keratin, 0.1 to 2 percent of oxidized keratin, 0.5 to 3 percent of aloe barbadensis extract, 0.5 to 3 percent of selaginella tamariscina extract, 0.5 to 3 percent of polygonum multiflorum root extract, 0.5 to 3 percent of salvia miltiorrhiza root extract and the balance of water. The shower gel is prepared from the following components in percentage by weight: 20 to 40 percent of water, 0.1 to 2 percent of essence, 0.1 to 1 percent of cetrimonium chloride, 0.5 to 1.5 percent of phenoxyethanol, 1 to 5 percent of propylene glycol, 0.5 to 1.5 percent of p-hydroxyacetophenone, 0.1 to 0.5 percent of chlorphenesin and 0.5 to 1.5 percent of ethylhexylglycerin.

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 provides a polypeptide-containing skin care composition as well as a preparation method and application thereof. The skin care composition comprises polypeptide, an acrylic acid (ester) / stearyl alcohol polyether-20 methacrylate copolymer, arginine, sodium hyaluronate, sodium polyaspartate, phosphatidylcholine and polyol. The polypeptide is a combination of pentapeptide-48, nonapeptide-1 and carnosine. The invention creatively finds that the three polypeptides, namely pentapeptide-48, nonapeptide-1 and carnosine, can interact and positively influence each other after being combined, and have a synergistic interaction effect in the aspects of whitening, aging resistance and oxidation resistance; the composition is added into a system containing an acrylic acid (ester) / stearyl alcohol polyether-20 methacrylate copolymer, arginine, sodium hyaluronate, sodium polyaspartate and phosphatidylcholine, and a proper amount of polyol is added to enhance the stability of the system, so that the composition has excellent moisturizing, soothing, tightening, anti-wrinkle and skin brightening effects.

This invention discloses a sildenafil orally disintegrating film, its preparation method, and its application. The sildenafil orally disintegrating film comprises the following materials: sildenafil citrate and / or its pharmaceutically acceptable salts, methylamino methacrylate copolymers, a polymeric film-forming material, an anti-adhesive, vitamin C, a plasticizer, and a humectant. The orally disintegrating film of this invention not only effectively masks the bitter taste of sildenafil itself but also has a good taste and a short disintegration time, solving the problem of the bitter taste of traditional sildenafil citrate orally disintegrating films during administration. Furthermore, this orally disintegrating film also has good physical properties and drug stability, meeting the requirements for drug storage, transportation, and clinical use.

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 relates to an emulsifying and thickening composition, a spray type emulsion containing the emulsifying and thickening composition and a preparation method of the spray type emulsion. The emulsifying and thickening composition is prepared from the following components in parts by weight: 1.4 to 2.2 parts of sorbitol polyether-30 tetraisostearate, 0.05 to 0.2 part of hydrogenated lecithin, 0.1 to 0.3 part of polyglycerol-3 methyl glucose distearate, 0.15 to 0.25 part of acrylic acid (ester) / beheneth-25 methacrylate copolymer, and 4 to 7 parts of cyclopentasiloxane. The test result shows that the emulsion developed by adopting the composition changes the traditional smearing type use method of the emulsion, has the excellent characteristics of spraying performance, uniform mist bead particle size, high consistency, non-flowability and the like, breaks through the traditional technical shortages through the combination of a secondary shearing technology and an emulsification innovation technology, is novel in mode and convenient to use, and has a wide application prospect. Good market prospects are realized.

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.