456 results about "Hydroxyethyl cellulose" patented technology

The invention relates to the technical field of oilfield chemistry, and discloses a graft modified cellulose filtrate reducer and a preparation method thereof.The preparation method comprises the following steps that modified hydroxyethyl cellulose, 2-acrylamide-2-methyl propane sulfonic acid, dimethyl diallyl ammonium chloride, alkenylated cardanol and N, N '-methylene bisacrylamide are added into deionized water, stirring is conducted, and a mixture is obtained; the preparation method comprises the following steps: adding cellulose into a reaction kettle, stirring for 10-15 minutes at the temperature of 40-60 DEG C at the speed of 300-400 rpm, dropwise adding ammonium persulfate and sodium hydrogen sulfite into a system, and continuously reacting for 4-6 hours to obtain the grafted modified cellulose filtrate reducer. The filtrate reducer disclosed by the invention has good high temperature resistance and salt resistance.

The invention relates to the field of foaming materials, in particular to a low-solvent-residue expandable polystyrene material and a preparation method thereof. The expandable polystyrene material with low solvent residue comprises the following raw materials in percentage by weight: 0.35-0.45% of a free radical initiation system, 0.35-0.45% of S, S, S, S, S, S, S, S, S, S, S, S, S, S, S According to the present invention, the material comprises, by weight, 0.1-0.15% of S, S '-bis (alpha, alpha'-dimethyl-alpha ''-acetoxy) trithiocarbonate, 0.15-0.2% of ascorbic acid, 0.1-0.2% of a nucleating agent, 0.2-0.3% of a suspending agent, 0.001-0.003% of an emulsifier, 5-6% of a foaming agent, 0.15-0.25% of a plasticizer, 0.001-0.002% of hydroxyethyl cellulose, 0.05% of sodium phosphate, 0.1-0.2% of zinc stearate, and 0.1-0.2% of glyceryl stearate, the obtained material has low solvent residue, meets food safety requirements, and is suitable for food packaging.

The invention relates to the technical field of electrolytic copper foil processing, and particularly provides a method for reducing the rough surface roughness of an HVLP copper foil by using a composite additive, which comprises the following steps: step (1): enabling the composite additive to flow into a high-level tank through an additive flow pump, uniformly mixing the composite additive with a copper sulfate electrolyte, and enabling the mixture to flow into a crude foil machine; step (2), then adjusting process parameters of a crude foil machine, including current and line speed of a cathode roller; (3) foil generation and foil drawing are carried out; the composite additive comprises one or two of gelatin and collagen. One or more composite additives composed of gelatin, collagen, sodium dithiodipropane sulfonate, N, N-dimethyl-dithioformamide sodium propanesulfonate, 3-sulfydryl-1-sodium propane sulfonate, hydroxyethyl cellulose and polyethylene glycol are added into the raw foil electrolyte, so that the copper electrodeposition reaction potential can be effectively changed; and uniform and compact copper crystallization peaks are obtained, the rough surface roughness of the raw foil is reduced, and the uniformity of a plating layer is improved.

The invention discloses a porous olivine tundish dry material and a preparation method thereof, and belongs to the technical field of tundish dry material processing, the porous olivine tundish dry material specifically comprises the following raw materials by mass: 80-100 parts of a composite sand material, 2-3 parts of silicon powder, 10-15 parts of a composite binder, 15-20 parts of modified aerogel and 4-7 parts of a sintering promoter, heat-resistant whiskers are prepared through a molten salt method, and the porous olivine tundish dry material is prepared through a hot melt method. The preparation method comprises the following steps: preparing a composite binder from a dry tundish material, carrying out centrifugal spinning to obtain modified zirconium oxide fibers with a hollow structure, and further preparing modified aerogel from the modified zirconium oxide fibers, aluminum chloride hexahydrate, hydroxyethyl cellulose and epoxy chloropropane, so that the high temperature resistance and mechanical properties of the cured dry tundish material are improved; and the mechanical property is also improved.

The invention discloses an efficient anticorrosive coating and a preparation method thereof, and relates to the technical field of coatings. The high-efficiency anticorrosive paint is prepared from a crosslinked membrane modified phytic acid loaded aluminum MCM-41 mesoporous silica composite synergistic filler, a polyurethane / epoxy resin composite emulsion system, titanium dioxide, a BYK-190 dispersing agent, a BYK-021 defoaming agent, a BYK-358N flatting agent, a BYK-425 thickening agent, hydroxyethyl cellulose and deionized water. A cross-linked membrane modified phytic acid loaded aluminum MCM-41 mesoporous silica composite synergistic filler is uniformly dispersed and deeply embedded into a polyurethane / epoxy resin composite emulsion system, countless chemical anchor points are established between the filler and a base material, and the interface bonding property with a resin system is also enhanced, so that the adhesive force of the coating is greatly improved, and meanwhile, the coating has the advantages that the service life of the coating is prolonged, and the service life of the coating is prolonged. And an active and passive three-dimensional protection system formed by the two is used for remarkably improving the corrosion resistance of the coating in the action modes of intelligent response, active repair and physical barrier.

The invention discloses an environment-friendly bio-based coated controlled-release fertilizer with multiple enzymolysis targets and a preparation method of the environment-friendly bio-based coated controlled-release fertilizer, and belongs to the technical field of controlled-release fertilizer production. The environment-friendly bio-based coated controlled-release fertilizer comprises a fertilizer core, an enzyme trigger type internal response layer and a pH sensitive trigger type outer layer, the enzyme trigger type internal response layer is prepared from cationic hydroxyethyl cellulose polyester polyol, an enzyme active site targeting modifier and a degradation accelerator; the pH sensitive trigger type outer layer is prepared from cationic hydroxyethyl cellulose polyester polyol and a covalent self-adaptive network modifier; the outer coating of the fertilizer disclosed by the invention can be degraded under the momentary excitation that the pH value in the coating is reduced after nutrients are released, and can promote degradation microorganisms in soil to be adsorbed to the enzyme-triggered internal response layer, so that the degradation of the internal coating is accelerated. The pH sensitive trigger type outer layer has a promoting effect on the enzyme trigger type inner response layer, and the promoting effect is enhanced by adding the degradation accelerator.

The invention discloses a plant-based deodorant and a preparation method thereof, and relates to the technical field of high polymer materials. When the plant-based deodorant is prepared, beta-cyclodextrin reacts with paratoluensulfonyl chloride and then reacts with ethylenediamine, and amino modified cyclodextrin is prepared; the plant-based extract is subjected to inclusion with amino modified cyclodextrin, and a cyclodextrin inclusion compound is prepared; the preparation method comprises the following steps: reacting hydroxyethyl cellulose with methacrylic anhydride to prepare double-bond modified cellulose; carrying out hydrothermal reaction on titanium sulfate, the carboxylated multi-walled carbon nanotube, ammonium fluoride and cerous nitrate to prepare a co-doped titanium dioxide / carbon nanotube; coating the co-doped titanium dioxide / carbon nano-tubes with oleic acid to prepare modified nano-particles; and reacting the double-bond modified cellulose with the cyclodextrin inclusion compound, and then copolymerizing with the modified nanoparticles and the comonomer to obtain the plant-based deodorant. The prepared plant-based deodorant has the advantages of good deodorization effect, slow release and photocatalytic degradation.

The invention provides a hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The hydrogel fire extinguishing additive comprises the following raw materials in parts by mass: 1-3 parts of a gelatinizing agent, 1-4 parts of a thickening agent, 1-3 parts of a stabilizer, 2-5 parts of a cross-linking agent, 1-3 parts of a surfactant, 2-6 parts of a phosphorus flame retardant and 3-5 parts of an antifreeze agent. The gelatinizing agent is selected from one or more of methyl cellulose, hydroxypropyl methyl cellulose and hydroxyethyl cellulose; the thickening agent is selected from one or more of sodium carboxymethyl cellulose, konjac glucomannan, sodium alginate, sodium polyacrylate and xanthan gum; the cross-linking agent is selected from one or more of calcium chloride, magnesium sulfate, calcium sulfate, magnesium chloride, potassium chloride and sodium nitrate. The temperature and pH double-response hydrogel fire extinguishing agent provided by the invention has the characteristics of quick response capability, high-temperature stability, good environmental adaptability, safety and environmental protection, and can be well used for efficient extinguishing and continuous cooling control of a lithium ion battery fire.

The invention relates to the technical field of paint preparation, in particular to a preparation method for removing harmful gases from paint, which comprises the following steps: preparing functional components for removing harmful gases, and weighing nano titanium dioxide, activated carbon and modified montmorillonite according to the mass ratio of (5-10): (2-5): (1-3); the preparation method comprises the following steps: preparing a resin base material: weighing 30-50 parts by mass of hydroxy acrylic resin, 10-20 parts by mass of polyurethane resin, 20-30 parts by mass of deionized water and 5-10 parts by mass of ethanol; preparing a coating premix: adding 1-3 parts by mass of a polycarboxylate dispersant and 0.5-2 parts by mass of an organic silicon defoaming agent into the resin base material; and preparing a finished product coating: adding 0.5-2 parts by mass of an acrylate leveling agent, 1-4 parts by mass of a hydroxyethyl cellulose thickening agent and 0.5-1.5 parts by mass of an isothiazolinone mildew preventive into the coating premix. The coating disclosed by the invention has the following beneficial effects that the coating can cope with a complex scene in which indoor multi-component pollutants coexist; the problem of harmful gas desorption after adsorption saturation of a single material is avoided, and the purification validity period is prolonged.

The present application relates to thermal insulation coating technical field, specifically to a kind of low VOCs ultraviolet resistant thermal insulation coating composition and its performance testing device, consisting of the following mass parts components: water-based acrylic resin 30-45 parts, nitrogen-doped graphene 1-3 parts, nano composite powder 2-5 parts, low water absorption and expansion glass microsphere 8-12 parts, silane coupling agent modified sepiolite 5-10 parts, silane coupling agent KH560 0.5-1.5 parts, ultraviolet absorber UV-9 0.3-0.8 parts, hydroxyethyl cellulose thickening agent 0.2-0.5 parts;Composition meets the following conditions: (1) VOCs content≤50g / L;(2) ultraviolet absorption rate≥95%;The present application realizes the purpose that VOCs content is far lower than traditional solvent type coating through the synergistic effect of water-based acrylic resin system and low water absorption and expansion glass microsphere, while nitrogen-doped graphene and nano ITO-SiO2 Composite powder form ultraviolet-infrared dual-effect shielding layer, ultraviolet absorption rate, infrared reflectivity greatly improve, solve the problem that traditional anti-UV coating function is single, VOCs is overproof.

The invention provides viscose large biological fibers containing olive active ingredients and a preparation method of the viscose large biological fibers. The fibers comprise viscose fiber matrixes and composite microcapsules dispersed in the viscose fiber matrixes. The composite microcapsule comprises a core load unit and an alkali-resistant encapsulation layer, the core loading unit is a metal organic framework crystal coated with a porous silicon dioxide shell layer on the surface, the metal organic framework crystal is formed by coordination of an organic ligand and zinc ions, and the olive extract is loaded in a pore channel of the core loading unit; the alkali-resistant packaging layer coats the outer surface of the core load unit and is a polyelectrolyte multilayer film formed by alternately depositing chitosan quaternary ammonium salt and sodium polystyrenesulfonate. The preparation method comprises the following steps: preparing the composite microcapsule, mixing the composite microcapsule with a viscose spinning solution and a hydroxyethyl cellulose compatilizer, and spinning to obtain the fiber. Through the design of the core load unit and the alkali-resistant encapsulation layer, the technical problem that the olive extract is easy to inactivate and difficult to slowly release for a long time in a strongly alkaline spinning environment is solved.

The invention relates to the technical field of coatings, in particular to a salt-fog-resistant aluminum coating fabric and a production process. The salt-fog-resistant aluminum coating fabric comprises the following raw materials in parts by weight: a basic fabric: 15-32 parts of polyester fibers, 12-28 parts of nylon fibers, 8-22 parts of glass beads and 25-65 parts of modified water-based acrylate emulsion; the spraying solution comprises the following components in parts by weight: 15-30 parts of graphene zinc powder, 12-23 parts of modified epoxy resin, 8-16 parts of an epoxy curing agent, 5-12 parts of polyether alcohol, 2-4 parts of a silane coupling agent, 21-36 parts of aluminum powder and 4-16 parts of hydroxyethyl cellulose. The prepared salt-fog-resistant aluminum coating fabric has excellent high-temperature oxidation resistance and stripping resistance, is excellent in performance as a roller shutter in a severe environment, and is good in scene penetrating effect, high in adhesion, good in reflection effect and good in corrosion resistance when being applied to the roller shutter.

The invention relates to the technical field of building material preparation, and particularly discloses a preparation process of a low-temperature fluid curing agent and a stabilized soil building material thereof, and the preparation process comprises the following steps: (1) adding modified starch into water, uniformly stirring, and removing oxygen; then adding maleic anhydride and persulfate, and heating to react; and after the reaction is finished, adding ethanol, separating out the precipitate, and drying to obtain the CMSS-g-MA. (2) adding glycine betaine into water, uniformly stirring, then adding CMSS-g-MA, and heating to react; and carrying out spray drying on the obtained reaction liquid to obtain the modified betaine powder. And (3) taking sulphoaluminate cement, ordinary Portland cement, a polycarboxylate superplasticizer, a silane coupling agent, the modified betaine powder, hydroxyethyl cellulose and the like as raw materials, and uniformly mixing the raw materials to obtain the low-temperature fluid curing agent. The solidified soil slurry can be better prevented from being frozen in a low-temperature environment, the stability of the internal structure of the solidified soil is kept, and a guarantee is provided for low-temperature construction.

The invention relates to the technical field of adhesives, and discloses an acrylate adhesive which is composed of the following components in percentage by weight: 30-40% of butyl acrylate, 2-8% of acrylic acid, 5-12% of methyl methacrylate, 5-10% of 2-ethylhexyl acrylate, 5-10% of 2-ethylhexyl acrylate, 5-10% of 2-ethylhexyl acrylate and the balance of water. The adhesive is prepared from the following components in percentage by weight: 0.5%-2% of a cross-linking agent, 0.2%-2.5% of an initiator, 5%-12% of tackifying resin, 1%-6% of nano silicon dioxide, 0.1%-0.5% of hydroxyethyl cellulose, 0.2%-0.8% of a silane coupling agent KH550 and 25%-40% of a solvent. Through combination of a staged polymerization process and a specific initiator, molecular chain structure distribution is optimized and is obviously improved compared with a conventional product; by combining rosin / terpene resin compounding and nano silicon dioxide modification, the interface stability is kept within the range of-40 DEG C to 150 DEG C, the shear strength retention rate is greater than or equal to 85% after 500 hours of damp-heat aging, and the wide-temperature-range environmental adaptability is remarkably improved.

The invention relates to a modified cellulose additive for a coating and a preparation method thereof. The preparation method comprises the following steps: preparing titanium dioxide sol; reacting hydroxyethyl cellulose with anhydride to obtain a modified cellulose dispersion liquid; titanium dioxide sol and the modified cellulose dispersion liquid are mixed to obtain composite dispersion liquid, and fluorine-containing and silicon-containing reactive monomers and methyl methacrylate are used as monomer pre-emulsion to be polymerized in the composite dispersion liquid. The surface of cellulose is grafted with chlorinated betaine to provide antibacterial and anti-fouling properties, the prepared nano titanium dioxide sol improves the ultraviolet shielding property, and the chlorinated betaine and the nano titanium dioxide sol can realize uniform physical mixing and adsorption through intermolecular hydrogen bond acting force, hydrogen bond interaction and the like; a hydrophobic monomer prepolymer is polymerized on the surface of a compound to form a core-shell structure, so that the compactness of the composite material is further improved, a polymer chain on the surface contains rich siloxane and can be effectively compounded with resin in a coating after being added into the coating, and a water dispersion emulsion form can be compatible with various water-based resin systems and is not easy to agglomerate.

The invention relates to food contact safety type water-based single-component gradient barrier acrylic acid industrial anticorrosive paint with heterostructure topology as well as a preparation method and application of the food contact safety type water-based single-component gradient barrier acrylic acid industrial anticorrosive paint. The coating is mainly prepared from the following components: a zinc molybdate / bentonite compound, triethanolamine, deionized water, titanium dioxide, barium sulfate, an ammonium polyacrylate dispersing agent, acrylic resin, a polyether modified polysiloxane wetting agent, hydroxyethyl cellulose ether, a non-silicon mineral oil defoaming agent, propylene glycol phenyl ether and 1, 3-propylene glycol. A three-dimensional interpenetrating network is constructed through charge-driven self-assembly of branched acrylic resin and zinc molybdate / bentonite, a corrosive medium is forced to diffuse along a zigzag path, and compared with a traditional homogeneous coating, the retarding efficiency is improved; and meanwhile, a Fe-OOCR chelating passivation layer is generated in situ by utilizing selective enrichment of carboxyl functional groups on a metal base material interface, and a multi-stage physical barrier is formed by combining gradient distribution of the titanium dioxide-barium sulfate core-shell filler, so that geometric blocking and energy dissipation of a corrosion medium permeation path are realized.

Marker composition comprising water, 1-10 wt.% non-ionic surfactant selected from alkyl polyglucosides, alcohol ethoxylates and alcohol ethoxylate propoxylates, or mixtures thereof, 1-5% organic solve

The invention discloses a solubility-resistant fluoride-free aqueous film-forming foam extinguishing agent and a preparation method thereof, and relates to the technical field of extinguishing agents. The invention discloses a soluble-resistant fluoride-free aqueous film-forming foam extinguishing agent. The cleaning agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of a compound surfactant, 15 to 20 parts of modified polyvinyl acetate, 3 to 5 parts of modified xanthan gum, 5 to 8 parts of ethylene glycol butyl ether, 4 to 6 parts of propylene glycol, 0.5 to 1 part of benzotriazole, 0.3 to 0.6 part of triethanolamine, 0.2 to 0.4 part of disodium ethylene diamine tetraacetate, 0.8 to 1.2 parts of hydroxyethyl cellulose, 0.1 to 0.3 part of polyether modified silicone oil and 0.05 to 0.1 part of isothiazolinone. 6-9 parts of ammonium dihydrogen phosphate and the balance of deionized water. According to the anti-dissolution fluoride-free aqueous film-forming foam extinguishing agent, fluoride-free components are more environmentally friendly, and the requirement for green development is met; the compound surfactant has a synergistic effect with the modified polyvinyl acetate and the modified xanthan gum, so that the fire extinguishing efficiency and the solubility resistance are improved; the process is clear, parameters are clear, the product stability is good through ultrasonic dispersion and high-pressure homogenization treatment, the performance is optimized through multiple additives, and the application scene is wide.

The invention belongs to the technical field of concrete, and particularly relates to low-carbon conductive concrete and a preparation method thereof, the low-carbon conductive concrete comprises the following raw materials by weight: 27-68 parts of cement, 0-41 parts of red mud, 22 parts of fly ash, 21-26 parts of mixing water, 68 parts of iron tailing sand, 0.35 part of short carbon fiber, 11.7 parts of steel fiber, 0.2 part of hydroxyethyl cellulose, 0.36 part of an antifoaming agent, and 1.35 parts of a water reducer. According to the concrete disclosed by the invention, excellent compressive strength, breaking strength and electrical conductivity are ensured, and meanwhile, the carbon emission is greatly reduced.

The invention relates to an outdoor coating composition which comprises the following components in parts by weight: a water-based acrylic emulsion, a modified cellulose additive, a coalescing agent, a wetting agent and a defoaming agent, wherein the modified cellulose additive is prepared by the following steps: firstly, preparing titanium dioxide sol; reacting hydroxyethyl cellulose with anhydride to obtain a modified cellulose dispersion liquid; titanium dioxide sol and the modified cellulose dispersion liquid are mixed to obtain composite dispersion liquid, and fluorine-containing and silicon-containing reactive monomers and methyl methacrylate are used as monomer pre-emulsion to be polymerized in the composite dispersion liquid. The modified cellulose additive disclosed by the invention integrates multiple functions of ultraviolet shielding, antibiosis, anti-pollution, reinforcement, toughening and the like, and replaces multiple traditional auxiliaries, so that the formula is simplified, and the problem of compatibility is avoided; the coating is firmly combined with coating resin through chemical bonding and physical adsorption, migration and precipitation are not prone to occurring, and the prepared coating is good in storage stability and free of layering and sedimentation phenomena; after the composition is coated to form a film, the film is compact and has good mildew resistance and weather resistance.

The invention belongs to the technical field of medical or hygiene materials, and particularly relates to a medical human body lubricant and a preparation method and application thereof.The medical human body lubricant is prepared from, by mass, 1%-20% of glycerin, 1%-20% of propylene glycol, 0.1%-1% of hydroxyethyl cellulose, 0.05%-0.5% of carbomer, 0.05%-0.5% of sodium polyacrylate, 0.05%-0.5% of triethanolamine, 0.2%-1% of preservative and the balance purified water. The medical human body lubricant prepared by the invention has high moisture retention, is mild and non-irritant, and is suitable for people sensitive to skin.

The application relates to the technical field of building material preparation, and particularly discloses a preparation process of a low-temperature flow-state curing agent and a cured soil building material, which comprises the following steps: (1) adding modified starch into water, stirring until uniform, and then removing oxygen; then adding maleic anhydride and persulfate for heating reaction; after the reaction is completed, adding ethanol, separating out precipitates, and drying to obtain CMSS-g-MA; (2) adding glycine betaine into water, stirring until uniform, then adding CMSS-g-MA for heating reaction; after the reaction is completed, performing spray drying on the obtained reaction liquid to obtain modified betaine powder; and (3) taking sulphoaluminate cement, ordinary Portland cement, polycarboxylate superplasticizer, silane coupling agent, the modified betaine powder and hydroxyethyl cellulose as raw materials, mixing the raw materials until uniform, and then obtaining a low-temperature flow-state curing agent. The application can better avoid the freezing of a cured soil slurry in a low-temperature environment, maintain the stability of the internal structure of the cured soil, and provide guarantee for low-temperature construction.

The application discloses a low-shrinkage polyester shrink film for labels, which adopts a three-layer co-extrusion structure and comprises an A-layer surface layer, a B-layer core layer and a C-layer bottom layer; the A-layer and the C-layer are arranged on the two sides of the B-layer and are both made of common PETG film; the B-layer is made of PETG shrink film functional master batch chips, hydroxyethyl cellulose and polysulfone; the total weight of the PETG shrink film functional master batch chips, the hydroxyethyl cellulose and the polysulfone is 100 wt%; the adding amount of the PETG shrink film functional master batch chips is 90 wt% to 95 wt%; the adding amount of the hydroxyethyl cellulose is 1 wt% to 3 wt%; and the rest is the polysulfone. The application further discloses a preparation method of the shrink film. After a small amount of hydroxyethyl cellulose and polysulfone are added into the PETG shrink film functional master batch of the core layer, the shrinkage of the shrink film can be obviously reduced, the shrinkage rate is relatively high, and the shrinkage temperature is relatively low; the improved shrink film is especially suitable for being used as a label with low shrinkage; and in post-processing and use, the improved shrink film is beneficial to improving the product yield.

The invention relates to a colla corii asini-concha haliotidis compound as well as a preparation method and application thereof, and belongs to the technical field of medicines and health-care products. The colla corii asini-concha haliotidis compound provided by the invention comprises the following components in parts by weight: a) 38-42 parts of colla corii asini; b) 15-25 parts of concha haliotidis; and c) 1-5 parts of an auxiliary material, wherein the auxiliary material is selected from one or more of polyvinylpyrrolidone, copovidone, hydroxy propyl cellulose and hydroxyethyl cellulose. The donkey-hide gelatin and concha haliotidis compound is prepared by using a hot melt extrusion technology, so that the smell, wettability, dispersity and other properties of the donkey-hide gelatin are obviously improved, and the donkey-hide gelatin compound shows a good effect in an osteoporosis rat model and a calcium-deficient mouse model. The preparation process is simple and controllable, and has a good market prospect.

The present invention provides a water-based surface preparation agent composition that combines paint film stripping and rust removal properties. [Solution] This is a surface preparation agent composition for removing rust along with the existing paint film when repainting an existing paint film applied to existing steel materials. It contains at least benzyl alcohol, a hydroxy acid, and water. The hydroxy acid is citric acid, malic acid, or an acidic salt thereof. Furthermore, it contains hydroxyethyl cellulose as an emulsifier for benzyl alcohol. The pH is preferably 4.0 to 6.0. This water-based surface preparation agent composition is applied to the existing steel material to remove rust along with the existing paint film.

The application provides a high-adhesion, high-water-resistance, light, environment-friendly and sound-insulating coating and a preparation method thereof, and the coating composition comprises organic silicon modified acrylic emulsion, hollow glass microbeads, aerogel dispersion slurry, modified bentonite, expanded perlite, wood fiber, hydroxyethyl cellulose, additives and water; the modified bentonite is obtained by grafting acrylic ester on bentonite, grafting hollow glass microbeads on a silane coupling agent and grafting wood fiber on tung oil, and the organic silicon modified acrylic emulsion is obtained by reacting organic silicon alkoxane, organic silicon coupling agent and acrylic ester. The high-adhesion, high-water-resistance, light, environment-friendly and sound-insulating coating of the application is added with modified bentonite, the compatibility of various components is enhanced, and thus the adhesion, water resistance, sound insulation and other performances of the coating are improved, the coating is light and environment-friendly, and has a good application prospect.

The application discloses a preparation method of an environment-friendly heat-insulating and heat-preserving coating, and the specific steps of the method are as follows: 1) preparing potassium hexatitanate whiskers through a droplet template technology: dissolving oxalic acid in deionized water to obtain A; adding titanium salt and potassium salt into A and stirring to obtain B; adding B into polyvinylpyrrolidone, ethylene glycol and tetrahydrofuran, stirring and aging to obtain a uniform film; heating under the condition of nitrogen to obtain single-crystal potassium hexatitanate; placing the single-crystal potassium hexatitanate in an alumina crucible, heating, quenching between two thick copper plates and cooling in liquid nitrogen; passing oxygen through the sample to obtain potassium hexatitanate whiskers through annealing; 2) preparing the environment-friendly heat-insulating and heat-preserving coating: mixing water, a dispersing agent, a wetting agent, ethylene glycol and a defoaming agent, adding hydroxyethyl cellulose and a pH regulator, further adding potassium hexatitanate whiskers and nano-silica aerogel and dispersing, and sequentially adding a water-based high-elastic emulsion, a water-based silicone-acrylate emulsion, a film-forming aid, a flame retardant, micrometer hollow glass microbeads, a bactericide and a near-infrared reflective material and stirring uniformly.

The embodiment of the invention discloses a multifunctional protection liquid for a paper printed matter and a preparation method of the multifunctional protection liquid. The multifunctional protection liquid is prepared from the following components in percentage by weight: 0.1 to 1 percent of sodium carboxymethyl cellulose, 0.1 to 1 percent of gelatin, 0.1 to 0.5 percent of chitosan, 0.01 to 0.05 percent of nano metal oxide and the balance of water. According to the invention, a composite ultraviolet screening agent compounded by nano titanium dioxide and zinc oxide is adopted, so that full-wave-band ultraviolet screening is realized, and the anti-ultraviolet effect is more excellent than that of a single nano material. Sodium carboxymethyl cellulose is adopted to replace hydroxyethyl cellulose, so that the cost is further reduced, dangerous chemicals are not used, the danger in the preparation process of the protection liquid is reduced, and the protection liquid has a relatively good application prospect.

This application relates to the field of electroplating technology, and more particularly to an acidic copper plating brightener and its preparation method. An acidic copper plating brightener, by weight, comprises the following raw materials: 25-30 parts brightener, 6-8 parts leveling agent, 40-50 parts wetting agent, 7-10 parts hydroxyethyl cellulose, 8-12 parts collagen, and 900-930 parts deionized water. The acidic copper plating brightener of this application has excellent technical effects and can be widely used in the field of copper electroplating to improve the quality of the electroplated copper layer, including gloss, tensile strength, elongation, hole-filling efficiency, uniform plating ability, and through-hole deep plating ability, thus meeting the requirements for the conductivity of through-holes in circuit boards.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a traditional Chinese medicine compound antibacterial gel for promoting blood circulation to remove meridian obstruction and a preparation method thereof. The traditional Chinese medicine compound antibacterial gel for promoting blood circulation to remove meridian obstruction is prepared from the following components in percentage by mass: 0.01 to 0.03 percent of benzalkonium chloride, 0.02 to 0.05 percent of aromatic phenol acetate, 1 to 2.5 percent of propylene glycol, 0.01 to 0.05 percent of menthol, 0.3 to 0.6 percent of traditional Chinese medicine extracting solution, 0.01 to 0.05 percent of ginger root oil, 0.5 to 1 percent of pandan butyl ether, 0.01 to 0.05 percent of borneol, 0.3 to 5 percent of modified hydroxyethyl cellulose and the balance of water. The gel can relieve tissue edema and improve microcirculation and tissue oxygen supply; meanwhile, by combining with antibacterial components, the anti-infection effect can be synchronously achieved, the effects and advantages of promoting blood circulation and dredging collaterals of the traditional Chinese medicine compound are complementary, the better treatment effect is achieved, and the wound healing quality and speed are improved.