149 results about "Sodium polystyrene sulphonate" patented technology

The invention discloses Prussian blue and Prussian blue analogue nanosheet film materials and an in-situ preparation method thereof. A substrate is modified with two high-molecular polymers with opposite charges, namely PAH (poly allylamine hydrochloride) and PSS (sodium polystyrene sulfonate), and Prussian blue or Prussian blue analogue square nanosheets are synthesized in situ on the modified substrate with metal ionic salt and potassium ferrocyanide as raw materials. A test of a prepared nanosheet film through ultraviolet-visible spectroscopy, a scanning electron microscope and a transmission electron microscope proves that the nanosheets have controllable size and are uniformly dispersed. The growth direction of the nanosheets is limited by the porous network of the high-molecular polymers, so that the nanosheets are square or rectangular, water is used as a solvent in the whole preparation process of the film and is harmless to the environment, the preparation process is simple and feasible, the cost is low, equipment is simple, the film materials with different kinds of functionality are obtained by changing the variety of simple ions, and the in-situ preparation method has important application value in the field of material preparation.

The invention discloses a preparation method of modified zero-valence nano-iron suspension suitable for underground water pollution in-situ remediation, and particularly relates to a process for performing modification through unmodified zero-valence nano-iron with small particle size and high activity. Through the composite zero-valence nano-iron modified by sodium polystyrene sulfonate, the zero-valence nano-iron can be stably dispersed and migration of the zero-valence nano-iron in underground water can be promoted under the condition of maintaining zero-valence reaction activity, thereby saving the investment and the engineering cost of the zero-valence nano-iron. According to the method, not only the zero-valence nano-iron can be stably dispersed, but also the migration of the modified zero-valence nano-iron is promoted; and the method has the advantages of less using amount of a dispersing agent and low cost.

The invention relates to a method for compounding functional nano particles on the surfaces of down feather fibers and belongs to the technical field of textile materials. According to the method provided by the invention, the functional nano particles are compounded on the surfaces of the down feather fibers by preparing a down feather fiber/sodium polystyrenesulfonate dispersed solution, preparing a functional nano particle solution and compounding the surfaces of the down feather fibers. The dispersed functional nano particles are firmly compounded on the surfaces of the down feather fibers by the effects of molecules layer upon layer through sodium polystyrenesulfonate, a sulfo group dispersing agent and the functional nano particles, so that the down feather fibers have various functions. The method for compounding the functional nano particles on the surfaces of the down feather fibers effectively utilizes a lot of waste down feather fibers, improves the additional value of the down feather fibers and explores applications of the down feather fibers in the other fields; furthermore, the whole process equipment is simple, the cost is low, pollution to the ecological environment is not caused and the application prospect is very great.

The invention provides a crosslinkable poly-(3,4-ethylenedioxythiophene) aqueous dispersoid and a preparation method thereof, relating to the fields of organic semiconductor material preparation technology and application thereof. The crosslinkable (3,4-ethylenedioxythiophene) aqueous dispersoid is prepared by carrying out reaction on monomer, oxidant, a catalyst, a template and adulterant in de-ionized water, wherein the template and the adulterant functionalize sodium polystyrene sulfonate and blocking aqueous polyurethane; the aqueous dispersoid is dark blue in color, and the prepared aqueous dispersoid is subjected to post treatment in a centrifuging manner; and the film formed from the dispersoid can be deblocked and crosslinked at high temperature, so that the water-absorbing capacity of the film is greatly reduced and the film-forming effect is improved. Ultraviolet spectrophotometer tests show that the formed film has no obvious absorption in the visible wavelength range, thereby ensuring that the formed film is suitable for being used as a transparent electrode.

The invention relates to a method for in situ synthesis of gold nanorods/graphene oxide composite material.The method comprises concrete steps: mixing graphene oxide modified by sodium polystyrenesulfonate, a secondary growth solution of growth gold nanorods and gold seeds; and standing the mixture at constant temperature for a period of time. The method for in situ synthesis of gold nanorods/graphene oxide composite material has following beneficial effects: the method has a green and moderate reaction condition and high repeatability and is easily applied; gold nanorods/graphene oxide composite material prepared by the method has high loading capability; gold nanorods are distributed uniformly; and the method has a broad prospect for integration of diagnosis and treatment by means of increase in efficiency of photothermal therapy and subsequent moderation of antibodies and drug loads.

The invention provides a preparation method of carbon nanotube/graphene/poly(3,4-ethylenedioxythiophene): polystyrene sulfonic acid composite thermoelectric materials. The method comprises the following steps of dissolving poly(sodium styrenesulfonate) into water, adding a proper amount of carbon nanotube and graphene to disperse uniformly, dripwise adding a proper amount of monomers of 3,4-ethylenedioxythiophene, stirring uniformly, and adding ammonium persulfate and iron sulfate to initiate polymerization reaction. After reaction, products are centrifuged to obtain black products, the black products are washed repeatedly with deionized water, centrifuging is performed, and vacuum drying is performed. The invention provides a new environment-friendly preparation method for carbon nanotube/graphene/poly(3,4-ethylenedioxythiophene): polystyrene sulfonic acid composite thermoelectric materials, which has the advantages that the technology condition is simple and the product cost is low. The preparation method provided by the invention improves the thermoelectric performance of the composite thermoelectric materials at the same time.

The invention discloses scour-resistant and abrasion-resistant concrete for hydraulic engineering. The scour-resistant and abrasion-resistant concrete for hydraulic engineering is prepared from, by weight, 77-84 parts of ordinary portland cement, 20-22 parts of potassium feldspar powder, 13-15 parts of coal ash, 13-15 parts of lepidolite, 3-4 parts of graphite powder, 6-7 parts of aluminum nitride, 2-2.5 parts of polyvinyl alcohol fibers, 1-1.2 parts of lignin fibers, 0.2-0.3 part of sodium polystyrene sulfonate, 0.5-0.7 part of sodium polyacrylate, 0.2-0.3 part of zinc acetate, 1.5-2.5 parts of a polycarboxylate superplasticizer, 0.6-0.8 part of hydroxyethyl methylacrylate and 32-36 parts of water. The scour-resistant and abrasion-resistant concrete for hydraulic engineering is prepared through a special formula and a unique stirring process, and the scour and abrasion resisting capability of the scour-resistant and abrasion-resistant concrete for hydraulic engineering is effectively improved; the dry shrinkage deformation of the concrete is effectively reduced, and therefore the crack resisting capability of the scour-resistant and abrasion-resistant concrete for hydraulic engineering is improved.

The invention discloses a collapse prevention type water reducing agent which is prepared by mixing the following raw materials in parts by weight: 48-62 parts of methyl naphthalenesulfonate formaldehyde condensate, 24-36 parts of polycyclic aromatic hydrocarbon sulfonate formaldehyde condensate, 16-28 parts of glycerinum polyoxyethylene ether ethylhexoate, 15-20 parts of porous calcium phosphate, 10-15 parts of rock wool powder, 5-10 parts of sodium polystyrenesulfonate, 5-10 parts of aloe powder, 4.5-6.5 parts of squalane, 3-5 parts of diisobutyl methanol, 2-4 parts of sodium alginate oligose, 2.5-4.5 parts of sodium hyaluronate, 6-12 parts of sand powder, 10-15 parts of volcanic ash, 3-6 parts of lauric acid diglycollic amide, 4-8 parts of hydroxypropyl guar gum powder and 3-6 parts of additives. The collapse prevention type water reducing agent disclosed by the invention is excellent in collapse prevention, small in collapse loss and high in water reduction rate, can avoid separation or bleeding, and is remarkable in concrete reinforcement effect, good in concrete adaptability and particularly good in adaptability for middle/low flowbility concrete in a high-temperature environment in summer.

The invention discloses surface-carboxylated fluorescent microspheres in a crosslinked shell structure and a preparation method thereof, belonging to the technical field of fluorescent sensing materials. The preparation method comprises the following steps: by using surface-sulfonated polystyrene-divinylbenzene crosslinked microspheres as the core, carrying out layer-by-layer self-assembly deposition on a p-phenylene ethylene precursor, poly(sodium-p-styrenesulfonate), diazo resin and polyacrylic acid on the core surface under the driving action of the electrostatic force, carrying out heat treatment, and carrying out crosslinking reaction on the diazo group and the carboxyl or sulfo group to generate the stable crosslinked shell structure, thereby obtaining the surface-carboxylated fluorescent microspheres. A layer-by-layer self-assembly process is adopted to modify the microsphere surface to introduce the carboxyl functional group with bioactivity, thereby simplifying the preparation technique. The method is convenient to operate and suitable for industrial production. The fluorescent microspheres have favorable dispersibility in water and multiple organic solvents, and can be applied to the fields of biological detection, medical diagnosis and the like.

The invention belongs to the field of daily chemicals. A facial care product for repairing sensitive skin and resisting initial aging comprises the following components: an echinacea purpurea extract,a moisturizer, a carbohydrate isomer, borago officinalis seed oil, hippophae rhamnoides seed oil, squalane, limnanthes alba seed oil, sodium polystyrene sulfonate, a thickening suspending agent, silicone oil, an emulsifier, dipotassium glycyrrhizinate, a phytosteryl canola glyceride, ceramide NP-3, coenzyme Q10, methylsilanol mannuronate and water. The care product of the invention can increase skin moisture content, reduces skin moisture loss, and provides long-term water supplement and moisturizing effects; repairs skin barrier, helps skin resist surfactant stimulation and ultraviolet damage, and has anti-inflammatory and anti-allergic effects; has good anti-oxidant effects, tightens and revitalizes skin, prevents wrinkles and resists wrinkles, and effectively delays skin aging; and canform a protective film on the skin surface, and effectively resists initial aging while repairing sensitive skin.

The invention discloses a preparation method and application of a MnOOH/Ag nano-composite material. The preparation method is characterized by comprising the steps of decorating the surface of MnOOH with polystyrene sodium sulfonate (PSS) by adopting HCHO or hydrazine hydrate as a reducing agent, and uniformly and rapidly adsorbing Ag<+1> onto the surface of MnOOH in the stirring process; adding the reducing agent under the protection of PVP, enabling Ag to grow along a specific crystal plane, and carrying out in-situ reduction on the Ag in one step to obtain the MnOOH/Ag nano-sheet composite material with novel morphology. Compared with the prior art, the preparation method has the advantages that the method is carried out under a normal temperature condition, the reaction time is relatively short, the operation is simple, and the repeatability is relatively high. By changing the type of the reducing agent, the MnOOH/Ag nano-composite material with different morphologies can be obtained. The prepared MnOOH/Ag nano-composite material has catalytic performance and has excellent catalytic performance of catalytically reducing 4-nitrophenol.

The invention relates to a method for synthesizing a gold nano-rod/graphene oxide composite material with a one-pot process. The method comprises the specific steps: mixing sodium polystyrene sulfonate modified graphene oxide with a growth solution used for the growth of gold nano-rods, and storing for a period of time at a constant temperature. The method provided by the invention is environment-friendly and moderate in reaction conditions, simple to operate, short in consumed time and strong in repeatability; the gold nano-rod/graphene oxide composite material prepared by the method has the characteristics of high loading amount and uniform distribution of the gold nano-rods, and has a wide prospect on the aspects of improving the photo-thermal therapy efficiency, and modifying an antibody and a loaded drug subsequently so as to realize diagnosis-therapy integration.

The invention discloses a gas sensitive material for ammonia gas detection, a preparation method of the gas sensitive material, a gas sensitive electrode and a sensor. The gas sensitive material for ammonia gas detection comprises functionalized graphene microspheres and polyaniline coating the functionalized graphene microspheres, and the functionalized graphene microspheres are reduced graphene microspheres modified by sodium polystyrenesulfonate. The gas sensitive material for ammonia gas detection can quickly respond and restore to low-concentration ammonia gas at room temperature, and is high in reaction sensitivity and low in detection limit.

The invention provides a method of preparing linoleate isomerase micro-capsules on the basis of a polyelectrolyte layer-by-layer self-assembly technology and can solve a problem that free linoleate isomerase is poor in tolerance, is poor in stability and cannot be recycled in industrial production. The method of the invention includes the following steps: with an amorphous calcium carbonate crystal, which is obtained through co-precipitation of calcium carbonate and the linoleate isomerase, as a template and with polyallylamine hydrochloride and sodium polystyrenesulfonate as coating materials, preparing the linoleate isomerase micro-capsules through the polyelectrolyte layer-by-layer self-assembly technology. The micro-capsule is high in activity, excellent in stability and long in half life.

The invention discloses a self-assembled flame-retardant bamboo-plastic composite material and a preparation method thereof. According to the preparation method, bamboo powder and high density polyethylene are taken as main raw materials, a silane coupling agent is used as a coupling agent, an ethylene-vinyl acetate copolymer is taken as a compatibilizer, azodicarbonamide is taken as a foaming agent, polyethylene wax and zinc stearate are used as lubricating agents, and the bamboo-plastic composite material is prepared by carrying out twin-screw extrusion on-time molding. The preparation method comprises the steps of preparing H2Ti2O5-H2O nanotubes by using a hydrothermal synthesis method, and modifying the nanotubes by using gamma-aminopropyl triethoxy silane so as to prepare nanotube/gamma-aminopropyl triethoxy silane dispersion liquid; then, soaking the treated bamboo-plastic composite material in the nanotube/gamma-aminopropyl triethoxy silane dispersion liquid and a sodium polystyrenesulfonate solution alternately for a plurality of times so as to obtain the self-assembled type flame-retardant bamboo-plastic composite material. According to the product prepared by the method,the H2Ti2O5-H2O nanotubes are attached on the surface of the composite material in a form of a nano-film, and a very good flame-retardant effect can be achieved by using a lower content of a nano fireretardant, so that the product cost reduction is facilitated.

The invention discloses an oil agent for textile fibers, and a preparation method thereof. The oil agent for the textile fibers is formed by mixing and preparing 10-20 parts of alkyl phosphate esters,0.4-0.8 part of ethylene oxide, 3-5 parts of polyether quaternary ammonium salt, 10-20 parts of dodecyl dimethyl betaine, 4-8 parts of polyether modified siloxane, 10-20 parts of sodium polystyrenesulfonate oligomer, 3-8 parts of glycerinum and 20-30 parts of white oil, wherein the alkyl phosphate esters adopted in the formula system are high in water solubility and anti-static effect. The polyether quaternary ammonium salt is a cationic surfactant, high in bactericidal performance, and capable of being mixed and used with an anionic surfactant to achieve compounding to improve the anti-static effect. The sodium polystyrenesulfonate oligomer is a nonionic surfactant, the substance is capable of being adsorbed onto the surfaces of the fibers to form an adsorption layer, and the distances between the fibers and the surface of a friction object are increased, so that friction on the surfaces of the fibers is reduced, and then static electricity is easy to eliminate; and the sodium polystyrenesulfonate oligomer is low in toxicity, and moderate in effect on a fabric.

The invention discloses an additive for texturing a diamond wire cut monocrystalline silicon wafer. The additive comprises, by mass, 0.2-4% of a water-soluble polymer substance, 0.05-0.15% of alkyl glycoside, 0.2-2% of sodium polystyrenesulfonate, 0.5-2.5% of organic acid sodium, and the balance of water. The additive disclosed by the invention is added into an alkaline texturing solution of the diamond wire cut monocrystalline silicon wafer, so that rapid texturing can be realized under the condition of low alkali concentration, and the alkali consumption required by texturing is reduced.

The invention relates to a compound of propranolol or a medicinal salt thereof and ion exchange resin and a preparation method of the compound. The compound comprises propranolol and a salt thereof and ion exchange resin, wherein the ion exchange resin is selected from one or more of polacrilin (polacrilin), polacrilin potassium (polacrilin potassium) and sodium polystyrenesulfonate. The compound of the propranolol and the salt thereof provided by the invention can be further prepared into an oral preparation, especially an oral suspension; the bitter taste and the thrill of a propranolol medicine solution can be removed; meanwhile, the stability of the compound is greatly improved; harmful impurities are reduced when the taking compliance is improved; the product quality is improved; and the medication safety of a patient is ensured.

The invention discloses a method for preparing a sodium polystyrenesulfonate/multi-wall carbon nanotube (PSS/MWNTs) composition. The method comprises the following steps: putting 50mg of multi-wall carbon nanotubes into 60mL of deionized water, performing ultrasonic dispersion, adding 5g of sodium p-styrenesulfonate, stirring for 8 hours at normal temperature, adding 50mg of potassium peroxodisulfate, stirring for 48 hours at 65 DEG C in the presence of argon, and after the stirring is completed, performing centrifugation treatment to remove irregular carbon and a catalyst; and filtering supernate by using a filtering membrane of 0.2mu m, removing ungrafted sodium polystyrenesulfonate (PSS), and performing freeze-drying on the obtained solid, thereby obtaining the PSS/MWNTs composition. According to the method, the surfaces of MWNTs are coated by PSS in a covalence manner through in-situ polymerization, a great amount of negative charges are introduced to the surfaces of the nanotubes,a spatial expelling function is achieved, stable dispersion of the nanotubes in high-concentration saline water and API (American Petroleum Association) saline water is achieved. By adopting the method, a base is made for application of the multi-wall carbon nanotubes in the petroleum industry.

The invention provides conductive polymer dispersion and high-voltage solid-state capacitor conductive polymer emulsion. The preparation method comprises the following steps: adding acrylate, acrylamide and an emulsifier into an aqueous solution of sodium polystyrenesulfonate, and by taking ammonium persulfate as an initiator, performing emulsion polymerization; adding an EDOT (Ethylenedioxy Thiophene) monomer into the polymerized emulsion, and by taking ferric sulfate as a catalyst, dripping sodium persulfate serving as an oxidizing agent so as to obtain a mixed solution; removing the residual unreacted organic monomer in the mixed solution and inorganic salt components in the liquid; and adding polyglycerol, a wetting agent and a conductive reinforcing agent into the solution, and homogenizing under high voltage. The invention further comprises application of the dispersion obtained by the method to preparation of a solid electrolytic capacitor. Aqueous dispersion of a conductive polymer is synthesized, the impurities are purified and removed, the dispersion is impregnated and dried to serve as electrolyte of the capacitor, no impurity harmful to an oxidation film exists in the impregnation solution, capacitor leakage is reduced, and the withstand voltage of the product is increased.

The invention discloses a hydraulic oil filter paper for realizing high-efficiency oil-water separation, which is prepared from the following raw materials in parts by weight: 3-5 mm alkali-free ultrafine glass fiber 50-55, bleached coniferous wood pulp 55-60, distilled water in an appropriate amount, Anionic polyacrylamide 0.8-1, an appropriate amount of concentrated sulfuric acid with a concentration of 98wt%, nano-titanium dioxide 10-12, a solid content of 30% iron ferric oxide colloid solution 20-25, an appropriate amount of absolute ethanol, and a solid content of 40wt% fluorine Silicon emulsion 60-65, dispersant NNO0.8-1, zeolite molecular sieve 3-4, sodium polystyrene sulfonate 0.2-0.3, peat soil 2-3, sodium bicarbonate 0.4-0.5, microcrystalline paraffin 0.8-1. The filter paper of the invention has good adsorption efficiency, realizes oil-water separation, improves the clarity of hydraulic oil, and prolongs the service life.