2556 results about "Sodium polyacrylate" patented technology

The invention provides a polymeric hydrogel grafted on fibers by calcium ion crosslinking and a preparation method thereof. The polymeric hydrogel comprises the following components in percentage by mass: 3-8% of sodium polyacrylate grafted fiber, 0.96-4% of sodium alginate, 0-2% of water-solubility polymeric additive, 0.96-8% of calcium chloride and 75-95% of deionized water. The preparation method comprises the following steps: grafting polyacrylic acid on fibers by ultraviolet radiation; neutralizing with sodium hydroxide to obtain sodium polyacrylate-grafted fibers; soaking sodium polyacrylate-grafted fibers in an aqueous sodium alginate solution; taking out and scraping off the superabundant adherent viscous solution; and crosslinking in an aqueous calcium chloride solution to obtain the calcium alginate hydrogel grafted on the fibers. The preparation method is simple to operate, and the prepared polymeric hydrogel grafted on fibers has application prospects in the fields of adsorption separation, drug control and release, immobilized enzyme, tissue engineering and the like.

The invention discloses a cementitious capillary crystalline waterproofing agent, which contains the following raw materials in parts by weight: 50 parts of Portland cement; 25 parts of quartz sand; 9 parts of siliceous dust; 3 parts of calcium hydroxide; 2 parts of sodium bentonite; 1 part of kieselguhr; 3.9 parts of instant sodium silicate; 2.5 parts of aluminum potassium sulfate; 0.3 parts of zinc fluosilicate; 0.20 parts of sodium polyacrylate; 0.2 parts of hydroxypropyl methyl cellulose; 2 parts of zinc stearate; 0.5 parts of naphthalene water reducer; 0.2 parts of sugar lime; 0.1 parts of citric acid; and 0.1 parts of antifoaming agent. After the raw materials are weighed according to the proportions, the raw materials are ground into particles with grain size more than or equal to 200-mesh sieve in a ball mill to obtain the finished product. The invention has the advantages that the cost is low, the anti-permeability is good, the self-healing performance is good, the bonding power is strong, the steel bar corrosion is prevented, no toxicity and no harmfulness are caused and the construction is easy.

The invention discloses a barley noodle, which comprises the following parts: one or more component from barley noodle, wheat flour, maize starch, manihot starch, sweet potato starch, potato starch and glutelin powder, one or more of glutamine transaminase, xylanase and cellulose enzyme, one or more of guar gum, xanthan gum, sodium polyacrylate, sodium alginate and konjaku flour, one or more of monosodium calcium lactate stearate, diacetyl tartaric acid monoester, soya phosphatide and monoaliphatic acid glyceride, water, salt and egg.

The invention provides a preparation method for a coating anode material of a lithium battery. The preparation method comprises the following specific steps: (1) weighing a coating material and monomer sulfur; weighing the coating material and the monomer sulfur according to a mass ratio, wherein the mass ratio of the coating material to the monomer sulfur ranges from 1:1 to 1:100; (2) preparing a dispersion solution of the sulfur: dissolving the monomer sulfur into a sodium polyacrylate water solution with the mass percentage of 2%-10% at a room temperature to obtain the dispersion solution of the sulfur; (3) preparing a dispersion solution of the coating material: dissolving the coating material into a surfactant water solution at 20-45 DEG C to obtain the dispersion solution of the coating material; and (4) preparing the coating anode material of the lithium battery. According to the preparation method for the coating anode material of the lithium battery, self discharge of the battery is reduced effectively and the stability of the structure in a charging/discharging process of a sulfur electrode is kept; a sulfur active material prepared by the preparation method is used as a lithium-sulfur secondary battery anode material and the prepared lithium material has a high specific discharge capacity and a good circulating performance.

The invention relates to an adhesive for a lithium ion battery, and discloses an adhesive containing sodium carboxymethyl cellulose copolymers covalently grafted with sodium polyacrylate and an electrode slice and electrochemical device prepared from the adhesive. Compared with an adhesive in the prior art, the adhesive is strong in cohesiveness, good in electrochemical stability and especially suitable for the lithium ion battery with silicon as an anode, the capacity of the lithium ion battery can be remarkably improved, the circulating stability of the battery can be improved, and the coulombic efficiency of the battery can be improved.

The invention discloses a preparation process of wet-process superfine modified calcium carbonate. The preparation process comprises the following steps: performing cleaning and screening, rough crushing, fine crushing, dry grinding and grading on calcite ores; collecting fine powder of 600 meshes and preparing slurry with water in such a manner that the solid content is 70%-80%; adding a modifier sodium stearate to the slurry for modification treatment and then performing wet grinding, and adding a grinding medium zirconium oxide microspheres and a dispersant sodium polyacrylate during grinding, wherein the volume ratio of the grinding medium to the slurry is 1: 1.5, and the dosage of the modifier is 0.6%-1.2% of the solid content; and putting the slurry obtained after the wet grinding through a vibrating screen, collecting the obtained wet-process superfine modified calcium carbonate slurry into a slurry barrel for flashing drying, collecting the finished product and packaging. The new preparation process is adopted; the wet grinding-modifying integrated technique and the flashing drying technique are adopted so that the production efficiency is high and the production cost is low; the product has the advantages of small particle size, low oil absorption value, high activity and the like; and the major product quality indices are at the international leading level.

The invention discloses a rice ball modifier comprising the following raw materials in proportions by weight: 1-3 parts of sodium polyacrylate, 2-5 parts of sodium carboxy methyl cellulose, 3-7 parts of xanthan gum, 80-87 parts of guar gum and 7-10 parts of glycerin monostearate. Through the rice ball modifier provided by the invention, the problem that the strength of water-milled glutinous riceflour which is used for making wrappers of the rice balls is insufficient can be solved.

Self-dissolving needle-like or filamentous shape percutaneously absorbable preparations, by which inherently poorly absorbable drugs into the body through the skin is efficiently administered. The preparations are made of at least one material selected from the group consisting of proteins, polysaccharides, polyvinyl alcohols, carboxyvinyl polymers and sodium polyacrylic acids. An active substance contained therein is released in a sustained-release fashion (1) by forming a water-insoluble layer on its surface, (2) by holding the active substance in porous materials, or (3) by imparting a long-acting characteristic to the active substance. The present invention also provides a sheet-like carrier for holding the preparations on at least one of the sides thereof, and a piece of equipment for holding the preparations so as to facilitate the administration of them.

The invention discloses a deformed steel bar compound corrosion-inhibited quenching agent and a usage method thereof. The compound corrosion-inhibited quenching agent is obtained by mixing the following compositions in parts by weight: 0-1 part of sodium carboxy methyl cellulose, 0-1 part of sodium polyacrylate, 0.1-1 part of sodium benzoate, 0.1-2 parts of triethanolamine, 0-0.1 part of sodium molybdate, 0-5 parts of sodium hydroxide, 0-10 parts of sodium carbonate, 5-15 parts of sodium silicate, and 70-90 parts of water. In use, the non-rusted deformed steel bar is subjected to quenching treatment in the corrosion-inhibited quenching agent for 1-2s at 100-200 DEG C, thereby being capable of slowing down the corrosion of the deformed steel bar under the atmosphere. The corrosion-inhibited quenching agent does not contain nitrite and chromate, has no S and P atoms, and is green and environment-friendly, low in cost, and recyclable.

The invention provides a fruit fresh-keeping paperboard and a preparation method thereof. The fruit fresh-keeping paperboard consists of paperboard base paper and fresh-keeping coat which is spread on the surface of the paperboard base paper. The paperboard base paper is mainly made from the waste paper, and the base weight is 90 to 100 g/m2. The fresh-keeping coat mainly comprises the following components in part by weight: 1 part of cristobalite, 0.25 to 1.5 parts of kaolin, 0.005 to 0.01 part of sodium polyacrylate, 0.0003 to 0.0005 part of nisin, 0.0001 to 0.0003 part of natamycin, 0.2 to 0.5 part of oxidized starch and 1.0 to 2.0 parts of water, and the base weight is 5 to 30 g/m2. The waste paper is made into the paperboard base paper through, disintegration, high-consistency slag removal, defibering, low-consistency slag emoval and screening, the cristobalite, kaolin, the sodium polyacrylate, the nisin, the natamycin and water are added into a high-speed dispersion machine to be made into pigment dispersion liquid after being adequately dispersed and filtered, and the oxidized starch and the water are heated to be dissolved to obtain the oxidized starch liquid. The pigment dispersion liquid is mixed with the oxidized starch liquid to obtain the fresh-keeping paint liquid, after being filtered by 180 to 200-mesh sieve, the fresh-keeping paint liquid is spread onto the surface of the paperboard base paper through a spreading machine, and the paperboard base paper with the surface being coated with the fresh-keeping paint is secondarily dried, press finished and decorated to obtain the finished product. The fruit fresh-keeping paperboard has the advantages that the fresh-keeping effect is good, the environment compatibility is good, the fresh-keeping package and the storage and transportation package are integrated, and the continuous mass production can be realized on the papermaking machine.

The invention aims to provide a modified sodium silicate binder for a cold core box and a preparation method thereof. The binder has the advantages of wide raw material sources, no toxicity or smell and good mechanical property and is applicable to mechanized core manufacture of the cold core box and manual core manufacture. The modified sodium silicate binder comprises the following chemical compositions in percentage by mass: 20 to 30 percent of SiO, 10 to 20 percent of Na2O, 0.5 to 19 percent of K2O, 1.0 to 20 percent of modifier and the balance of water, wherein the modifier can be aluminium hydroxide and/or zinc hydroxide, or one or more of amylin, sugar, molasses, polyacrylamide, sodium polyacrylate, sodium tripolyphosphate, cellulose, humic acid, sodium humate, sorbierite, xylitol and sodium silicate are added.

The invention relates to a preparation method of aragonite crystal form calcium carbonate, comprising the following steps: lime is sent into a digestion equipment and added with water for digestion treatment, water and quick lime are added slowly according to the ratio of 3:1 to 5:1, calcium hydroxide emulsion is obtained by filtrating, the calcium hydroxide emulsion is sent into a carbonization equipment, magnesium hydroxide needle crystal is added as a seed crystal, CO2 is injected in the materials which are mixed at the same time, aragonite crystal form light calcium carbonate is obtained by carbonization reaction; the light calcium carbonate screened pulp is sent into a filtration device for dehydrating and calcium carbonate filter cake is obtained; the sodium polyacrylate is added as a dispersant and light calcium carbonate with particle size distribution of 1-2 mum is obtained after grinding, thus obtaining a dispersion liquid product which reachs 70% of solid content or the liquid product is sent into a drying device for drying to obtain light calcium carbonate dry powder. The preparation method enjoys cheap price, simple preparation process and perfect performance, thus being applicable to the industrialized production. The obtained aragonite crystal form calcium carbonate is suitable to be a papermaking coating.

A substantially dry, flowable adjuvant compositions comprising, based on 100 parts by weight (“pbw”) of the adjuvant composition: (a) from about 25 pbw to about 75 pbw of a polysaccharide and (b) from about 75 pbw to about 20 pbw of a salt composition. In one embodiment, the salt composition is diammonium hydrogen phosphate, sodium carbonate or a combination thereof, and the polysaccharide is a derivatized guar. Also disclosed are methods of preparing such agricultural compositions comprising adding, to a heel solution, (a) a water dispersible adjuvant composition, in an amount effective to provide deposition and/or drift control properties, comprising, based on 100 pbw of the adjuvant composition: (i) from about 25 pbw to about 75 pbw of a polysaccharide, and (ii) from about 75 pbw to about 20 pbw of a salt composition, wherein an aqueous solution of the adjuvant composition has a pH value of between about 7 and about 12, and (b) an effective amount of an active. The adjuvant composition can further comprise (iii) from about 20 pbw to about 30 pbw of a dispersing agent, wherein typically the dispersing agent is sodium polyacrylate.

The invention discloses a compound modified water glass binder and a preparation method thereof. The compound modified water glass binder comprises the following effective components in percentage by mass: 10-25 percent of modifying agents and 75-90 percent of water glass; the modifying agents are prepared by the following components in percentage by mass: 33.3-36.6 percent of water-soluble starch, 23.8-24.4 percent of dextrin, 2.43-4.76 percent of urea, 24.4-28.6 percent of sodium tripolyphosphate and 9.52-12.2 percent of borax. The method for preparing the compound modified water glass binder comprises the following steps of: 1, preparing water-soluble sodium polyacrylate resin water solution; 2, weighing raw materials and preparing the modifying agent used by the compound modified water glass binder; and 3, weighing the modifying agent and the water glass to prepare the compound modified water glass binder. By the binder, the addition amount of the water glass in moulding sand is reduced, and the poured moulding sand easily scatters, so that the regeneration rate and the recycling rate of the water glass sand are improved, and the binding capability is improved.

The invention discloses deep-fry cereal instant noodles and a preparation method thereof. The deep-fry cereal instant noodles are prepared from wheat flour, solanum tuberdsm, tapioca starch, guar gum, sodium polyacrylate, composite phosphate and sodium carbonate in parts by weight. The preparation method comprises the following steps of: putting the materials into a dough mixer, adding water to prepare paste, and curing the paste; compositing the cured paste to be strips through a laminating machine, and cutting the strips and shaping; and cooking the shaped noodles, spraying condiments, frying, finally carrying out regular air cooling and then packaging. The deep-fry cereal instant noodles prepared according to the technical scheme are good in mouth feeling, rich in nutrition and few in oil content, and are beneficial to the health of people.

The invention relates to a temporary plugging agent for the staged fracturing of a horizontal well and a preparation method thereof. The temporary plugging agent consists of the following components of guar gum, aluminum oxide, magnesium oxide, an ammonium persulfate microcapsule gel breaker, sodium polyacrylate spherule and sodium bicarbonate according to a mass ratio of 48:107:193:(11-42):24:1.26. The preparation method comprises the following steps of: mixing the guar gum, the aluminum oxide, the magnesium oxide, the ammonium persulfate microcapsule gel breaker, the sodium polyacrylate spherule and the sodium bicarbonate which serve as raw materials uniformly at room temperature according to the ratio, adding the mixture into water slowly with stirring, and stirring for 5 minutes to obtain the temporary plugging agent for the staged fracturing of the horizontal well. The temporary plugging agent is subjected to a cross-linking reaction at the well temperature of between 60 and 80 DEG C to form a rubber plug with a certain strength, the strength of tolerant differential pressure exceeds 30 MPa, and after fracturing construction is performed, the ammonium persulfate microcapsule gel breaker dissolves out and breaks a cross-linking structure of a guar gum cross-linking system.

The invention relates to a permeable crystallization waterproof agent. The agent is prepared by mixing the following components in percentage by mass: 35 to 65 percent of superfine mineral powder, 15 to 30 percent of fly ash, 8 to 20 percent of calcium hydroxide, 1 to 3 percent of nano silicon oxide, 5 to 14 percent of organic silicon aid, 0 to 2.4 percent of sodium polyacrylate and 0.1 to 1.5 percent of polycarboxylic acid water reducing agent. The permeable crystallization waterproof agent is doped into concrete, active substances contained in the agent can react with a cement hydration product in the concrete to generate an insoluble crystal, and the capillary pore channels and micro cracks of the concrete are blocked, so that the density of the concrete is improved, and the permeability resistance and durability of the concrete are improved; and the agent can be widely applied to the permeability-resistant and waterproof construction of subways, ports, docks, dams, ponds, tunnels,basements and the like.

The invention discloses a method for preparing monodisperse carbon microspheres by using cane sugar as a carbon source. According to the method, cane sugar is used as the silicon source, sodium polyacrylate is used as a dispersing agent, and after the hydrothermal reaction at the certain temperature, the monodisperse micron-sized carbon sphere is obtained. A one-step hydrothermal method is adopted in the method for preparing the monodisperse carbon microspheres, and sodium polyacrylate is used as a dispersing agent, and has an important effect on the particle diameter, the dispersity and the surface appearance of the carbon microspheres; the carbon microspheres are solid and have relatively rough surfaces, and can obtain lots of aperture passages through simple high temperature processing; the obtained carbon sphere particle diameter range is 1-6 microns, and the carbon sphere particle diameter can be adjusted controllably through experimental parameters such as cane sugar concentration, the reaction temperature and the reaction time; the obtained carbon sphere can be applied to the fields of liquid chromatograph stationary phases, super capacitors, protein separation, enrichment and removal of organic matter in water, and the like.

The invention provides instant refreshing wet water vermicelli and a processing method thereof. The instant refreshing wet water vermicelli comprises the following components in parts by weight: 40-50 parts of sweet potato starch, 4-10 parts of pea starch, 0.3-1 part of edible salt, 0-0.5 part of konjac glucomannan, 0-0.5 part of xanthan gum, 0.03-0.1 part of sodium polyacrylate, 0.05-0.1 part of sodium dehydroacetate and 35-45 parts of water. The wet water vermicelli refers to potato type instant refreshing wet water vermicelli which is smooth in taste and rapid to eat and can be made into bean vermicelli or vermicelli. The making process is easy to realize, the requirements of customers for the taste of the bean vermicelli and eating convenience and rapidness can be met, and the forms, types and sales market of the instant bean vermicelli are expanded.

The invention discloses a green and environment-friendly soil stabilizer taking industrial waste as raw material and an application method thereof, which overcomes the problem of the prior art that lime or cement is taken as the main component of hardening agent, and the lime or cement is hardened to form a fully dense structure, plants can not grow in the structure, so the road greening can not be realized, and other problems. The soil stabilizer of the invention takes the industrial waste as raw material, the industrial waste is evenly mixed with pre-gelatinized starch and sodium polyacrylate, the industrial waste can be of one or the combination of more kinds of coal ash, blast furnace slag or silica micropowder and is used for solidifying soil and preventing water loss and soil erosion; the application method is as follows: the soil stabilizer, plant seed, soil and water are stirred into complex soil, and then the complex soil is coated on the construction surface, the complex soil can be solidified in short time, and usually can not generate water loss and soil erosion under the rainfall condition. The soil stabilizer of the invention has good water permeability, air permeability, water-retaining capacity and nutrient preserving capability, has neutral PH value and facilitates the sprouting and growing of plants.

The invention provides a preparation method of modified superfine calcium carbonate powder. The preparation method comprises following steps: raw material mixing, slurry preparation, wet grinding, drying collection, depolymerization scattering and modified treatment, wherein a dispersing agent at least comprises ammonium polyacrylate salt, sodium hexametaphosphate and sodium polyacrylate salt; a modifying agent comprises one or more of octadecylamine, polymethyl methacrylate, a titanate coupling agent and a silane coupling agent; and a hyperdispersant comprises one or more of a polyester type hyperdispersant, a polyether type hyperdispersant, a polyacrylate hyperdispersant and a polyolefin hyperdispersant. By virtue of the preparation method, the dispersity of the powder can be improved, the dry-wet cover effects of building coatings can be improved, and the addition amount of titanium dioxide can be reduced.

The invention discloses a high-temperature protective coating for a high-carbon steel billet. The coating comprises a dry powder material and an adhesive. The dry powder material is prepared from the following components in parts by weight: 30-50 parts of corundum carbon-free waste brick materials, 10-12 parts of electro-fused mullite, 25-30 parts of fused alumina zirconia waste brick materials, 8-10 parts of silicon carbide, 3-6 parts of soft clay, 3-6 parts of kyanite and 2-4 parts of sodium polyacrylate. The adhesive is prepared from a solid compound adhesive and a liquid compound adhesive. The dosage of the solid compound adhesive is 3-6% of the total weight of the dry powder material and the dosage of the liquid compound adhesive is 2-4% of the total weight of the dry powder material. The protective coating can be used for directly spraying the hot state billet with the surface temperature of 400-1100 DEG C, and not only has the double functions of preventing oxidization and resisting decarburization, but also has the self-repairing ability, so that the loss of iron scale and the thickness of a decarburized layer in the heating process of the high-carbon steel billet are remarkably reduced, the surface quality of the billet is improved. The production efficiency of a rolling mill is improved, and the production cost is lowered.

The invention particularly relates an anti-blocking agent for acesulfame potassium and an application method thereof and belongs to the field of food additives. The anti-blocking agent is prepared from the following raw materials by weight percent: 20-60% of sodium polyacrylate solution, 30-70% of surface active agent and 10-20% of simethicone. The application method comprises the following steps: successively adding the sodium polyacrylate solution, the surface active agent and the simethicone at weight ratio into a right amount of water, and then stirring and dissolving, thereby obtaining the anti-blocking agent for acesulfame potassium. When the anti-blocking agent related by the invention is applied, the addition amount of the anti-blocking agent accounts for 0.1wt%-0.5wt% of the acesulfame potassium.

An environment-friendly high-density solid-free weighting agent comprises components in parts by weight as follows: 0.02-0.05 parts of a dispersant, 0.3-1 part of a tackifier, 0.5-1.2 parts of chelating agent, 0.6-2 parts of a corrosion inhibitor and the balance of soluble weighting materials, wherein the dispersant is one or two of sodium polyacrylate and copolymer of phosphono and carboxylic acid; the tackifier is one or more of chitosan, agar, polyacrylamide, xanthan gum and hydroxypropyl methyl cellulose; the chelating agent is one or two of aminophosphonic acid chelate resin and ethylenediamine tetraacetic acid disodium; the corrosion inhibitor is one or two of multiple polycarboxylate and sodium gluconate; the soluble weighting materials are one or more of potassium formate, potassium citrate, potassium acetate, potassium silicate and potassium sulfate. The process steps are as follows: the raw materials are taken in weight proportion, mixed and uniformly stirred; the raw materials are added to water and dissolved at the high temperature of 70-80 DEG C; a product is evaporated to dryness, and solid is obtained; the obtained solid is ground into powder, and the solid weighting agent is obtained.

This invention discloses a preparation method that high remains water-ground limestone and its application. Add water-ground limestone in water, add sodium polyacrylate dispering agent in water, mix, get water-ground limestone mortar, grind, prepare water-ground limestone mortar, wherein content of less than 2mum is 20-60%; add cationic surfactant in mortar, mix 0.5-3.0 hours, add cationic surfactant in mortar, mix 0.5-3.0 hours, get high remaining water-ground limestone mortar. This high remaining water-ground limestone, which is used as paper fillers, can increase first - pass retention and total retention of bulking agent, and increase fiber retention. It profits to decrease water density, bulking agent dosage, wood pulp dosage, abrasion for papermachine forming fabric, and cost, and protect environment.

The invention provides a cold-storage agent. The cold-storage agent comprises main ingredients of an antifreeze agent, a thickening agent and water, wherein the antifreeze agent is selected from at least one of ethylene glycol, propylene glycol, glycerol and the like; the thickening agent is selected from at least one of sodium polyacrylate, sodium alginate, carboxymethyl cellulose sodium, chitosan and the like. When the cold-storage agent is prepared, the thickening agent is added into water to form a hydrogel, and then the antifreeze agent is added and mixed uniformly, so as to obtain the cold-storage agent. An ice bag prepared with the cold-storage agent provided by the invention can be used repeatedly, has preferable flexibility, is convenient to use and has preferable temperature-reducing effect.

A process for modifying the surface of hydroscopic sodium polyacrylate resin in order to improve its water permeability, hydroscopic speed, water-preserving nature and gel strength includes preparing the treating liquid A from methanol or ethanol, dichloroisopropanol or epoxy chloropropane and DMP-30 through mixing and stirring, preparing the treating liquid B from hot deionized water, multi-valence metal salt, and the second cross-coupling agent through stirring, stirring hydroscopic resin while sequentially spraying the treating agent A and B, and cross-linking reaction.

The invention discloses an antibacterial ES composite short fiber used for a surface layer of a hot-air non-woven fabric. The ES composite short fiber has a skin-core structure, that is, the fiber iscomposed of a core layer and a skin layer; the core layer is prepared from, by weight, 90-97 parts of polypropylene and 2-5 parts of an ethylene-propylene copolymer; the skin layer is prepared from, by weight, 85-95 parts of polyethylene, 5-7.5 parts of methyl methacrylate graft modification polyethylene, 3-6 parts of an ethylene-propylene copolymer and 6-9 parts of a composite antibacterial agent; the composite antibacterial agent is prepared from, by weight, 70-85 parts of chitosan-grafted sodium polyacrylate super absorbent resin, 70-85 parts of a crylic acid-2-acrylamide-2-methyl propanesulfonic acid copolymer, 25-37 parts of silver nitrate and 5-9 parts of nanometer silver. The antibacterial ES composite short fiber used for the surface layer of the hot-air non-woven fabric is high inantibacterial efficiency and has a lasting antibacterial effect, and the prepared surface layer of the hot-air non-woven fabric is good in softness and texture, high in longitudinal and transverse strength and durable.

The invention relates to an assistant agent used for dyeing and printing a textile, particularly a cleaning agent used for preventing a contaminant during the soaping process after the textile is dyed and printed, and belongs to the textile dyeing technology field. The assistant agent comprises the following components by mass percentage: 2% to 15% of N-vinyl pyrrolidone/ acrylamide/ vinyl alcohol terpolymer, 2% to 15% of maleic acid/ acrylic copolymer, 0 to 10% of sodium polyacrylate, 2% to 15% of aliphatic amine polyethenoxy ether, 2% to 15% of fatty alcohol polyoxyethylene ether, and water in balancing amount. The assistant agent has the advantages that: the components meet the standard of ecological textiles and the environmental protection requirements, the assistant agent has a certain cationic nature, thus having good affinity for the anionic dye used for conventional dyeing and printing, is conducive to washing and removing the dye which is attached to the textile, and meanwhile, has protective colloidal properties, thus allowing the removed dye to be stably existing in a washing solution, so as to prevent second contamination.

The invention relates to Al2O3-SiC-C castable used for a blast furnace iron tapping channel and a preparation method thereof. The invention adopts the technical scheme that the castable is prepared from the following raw materials in percent by weight: 26-50wt% of compact corundum, 18-33wt% of white corundum, 10-16wt% of silicon carbide, 2-5wt% of titanium dioxide, 7-10wt% of alpha-Al2O3 micro powder, 2-5wt% of silicon micro powder, 2-5wt% of simple substance silicon powder, 2-5wt% of spherical asphalt and 2-5wt% of aluminate cement. The raw materials are blended in the percentage composition, metal aluminium powder accounting for 0.05-0.2wt% of the raw materials and sodium polyacrylate accounting for 0.05-0.2wt% of the raw materials are additionally added, dry mixing is carried out for 10-40 seconds, then water accounting for 4-6wt% of the raw materials is additionally added, and stirring is carried out for 4-8 minutes. The Al2O3-SiC-C castable used for a blast furnace iron tapping channel prepared by the invention has the characteristics of high thermal shock stability, high erosion resistance and high oxidation resistance, and service life is long.