968 results about "Water soluble polymers" patented technology

Provided are aversive coatings and electrochemical cells with at least a portion of the exterior surface coated in the aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells coated in aversive coatings with ratios of aversive taste agent to water-soluble polymer that adequately adhere the aversive coating to the electrochemical cell.

Described herein are methods, compositions and articles of manufacture involving neutral conjugated polymers including methods for synthesis of neutral conjugated water-soluble polymers with linkers along the polymer main chain structure and terminal end capping units. Such polymers may serve in the fabrication of novel optoelectronic devices and in the development of highly efficient biosensors. The invention further relates to the application of these polymers in assay methods.

To provide an oil-based solid composition for external use having excellent stability. An oil-based solid composition for external use is prepared that comprises: (A) an oily component with a melting point of 55° C. or higher; (B) a polyhydric alcohol; and (C) an acrylic acid-based water-soluble polymer.

The invention belongs to the field of nano material preparation, and particularly relates to a preparation method of nanoscale silicon dioxide alcohol-soluble sol. The method comprises the following steps: dissolving a water-soluble polymer in an ammonia water solution, and then adding absolute ethyl alcohol to form a polymer micelle; adding tetraethyl orthosilicate into the micelles, obtaining a nanoscale silicon dioxide nanoparticle mixed solution after the reaction is finished, then dispersing the nanoscale silicon dioxide nanoparticle mixed solution in deionized water through centrifugation, then centrifuging to obtain pure silicon dioxide particles, dispersing the pure silicon dioxide particles in absolute ethyl alcohol, adding a silane coupling agent KH570 at the same time, and performing ultrasonic dispersion to obtain the nanometer silicon dioxide nanoparticles. And carrying out ultrasonic dispersion to obtain the nanoscale silicon dioxide alcohol-soluble sol.

Methods, systems, and apparatuses for forming dissolvable cleaning products. The dissolvable cleaning products may be formed by forming a first component solution by mixing ingredients in a first mixer. The mixing may be suspended and the first component solution may be allowed to rest for a first holding period. A second component solution may be formed by mixing ingredients in a second mixer. The mixing may be suspended and the second component solution may be allowed to rest for a second holding period. The first and second component solutions may be mixed together and one or more of enzymes and preservatives and a water-soluble polymer may be added to form a final solution. Optionally one or more fragrances may be added. The final solution may be transferred to a mold and dried to a predetermined moisture content. The dried final solution may be cut into one or more shapes.

According to one aspect of the invention, there is provided a pressure relief valve comprising a body (1) configured to be fastened to a flexible packaging material. The body has at least one through-hole (14) forming a passage through the body; the valve diaphragm (2) rests from the packaging side to the body in a region located around the bore (14); and a sealing liquid located between the main body (1) and the valve diaphragm (2). The valve comprises a water-soluble polymer, which means that at least one component of the valve, such as the body (1), is made of a polymer composition comprising a water-soluble polymer.

A slurry composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a glass-transition temperature within a specific range and a water-soluble polymer including a sulfo group-containing monomer unit in a proportion of 3 mass% or more.

The invention provides a water-soluble polymer, a preparation method thereof and application of the water-soluble polymer in a composition for grinding, and relates to the field of water-soluble polymers. The structural general formula of the water-soluble polymer is as follows: # imgabs0 #, wherein R1 is at least one of a hydrogen group, a cyanoethyl group and an isobutyronitrile group; r2 and R3 are respectively and independently at least one of alkyl, alkoxy, ester group, carboxylic acid, amide and aromatic ring; n is any natural number. According to the preparation method, proper polymeric monomers can be selected as required to prepare polymers with different functions, and the solubility and functionality of the polymers are improved through a functional group modification method so as to meet different application requirements.

The invention belongs to the technical field of electrochemical batteries, and particularly relates to an aqueous electrolyte capable of being used for a high-rate tin metal negative electrode and a tin-manganese battery. The aqueous electrolyte comprises an acidic solvent, a tin salt and various high-valence metal salts / charged water-soluble polymers, and can also comprise a manganese salt. According to the method, high-valence metal salt / charged water-soluble polymer is added into the aqueous electrolyte, the repulsive force of double electric layers is adjusted by using introduced charged particles, and the distribution of an electric field and a concentration field at an interface is homogenized, so that efficient ion transmission and uniform and compact tin deposition behaviors are realized. Meanwhile, the charged particles can effectively inhibit related side reactions on the manganese positive electrode side, so that the tin metal negative electrode and the tin-manganese battery can have long cycle life and excellent rate capability at the same time. In addition, the water-based electrolyte is low in raw material price and small in dosage, the reaction process is simple and mild, and the water-based electrolyte has good application and development prospects.

Provided are: a gas-barrier laminate comprising (A) a (A) layer comprising a substrate having an inorganic layer formed on at least one surface thereof and (B) a (B) layer containing a water-soluble polymer, wherein in the (A) layer, the surface where the inorganic layer is formed has a static contact angle with water at 25°C of 20-80 degrees and / or the surface where the inorganic layer is formed has a surface free energy of 41-75 mN / m; and a packaging material. The inorganic layer in the (A) layer is preferably formed by vapor deposition or sputtering and is preferably formed from one or more inorganic substances selected from the group consisting of aluminum oxide, silicon oxide, aluminum, zinc oxide, and magnesium oxide.

Formulations (e.g., solutions) comprising one or more water-soluble polymer(s), liposomes, and an aqueous carrier, are provided. The provided solutions are useful for rinsing, and / or immersing therein, a contact lens and / or in the treatment of ocular discomfort, for example, an ocular discomfort associated with a contact lens. Also provided are kits comprising the solution and a contact lens; articles-of-manufacturing comprising the solution and configured for dispending the solution; and methods utilizing the solution.

The invention relates to the technical field of concrete compacting agents, and provides an internal doping type self-repairing concrete compacting agent which comprises the following components in parts by weight: 10-15 parts of a water-soluble polymer, 12-18 parts of an expanding agent, 1-3 parts of a shrinkage reducing agent, 2-8 parts of organic fibers, 10-15 parts of a modifier and 30-50 parts of a diluent, the modifier comprises bauxite, diatomite and forsterite powder in a mass ratio of 1: 1: 8-8: 1: 1. According to the technical scheme, the problem that the concrete compacting agent in the related technology is poor in improvement of the anti-permeability performance of concrete is solved.

Provided in the present invention are a high-temperature-resistant filtrate reducer, a water-based drilling fluid and the use of the high-temperature-resistant filtrate reducer in drilling engineering in high-temperature subsurface environments. The filtrate reducer comprises carboxymethyl cellulose and a water-soluble polymer containing epoxy, and an open-loop coupling reaction of carboxyl and epoxy groups in high-temperature environments is utilized to induce in-situ self-crosslinking of carboxymethyl cellulose in high-temperature deep downhole environments, so that the filtrate loss reduction performance of the filtrate reducer at high temperatures is remarkably improved.

The invention discloses a hydrophobic coating with high corrosion resistance and long service life for an offshore photovoltaic support and a preparation method of the hydrophobic coating, and belongs to the technical field of surface protection of the offshore photovoltaic support. The concrete is prepared by mixing the following raw material components in parts by weight: 100 parts of a silicon-aluminum ingredient, 10-30 parts of an alkali activator, 1-2 parts of a water reducing agent, 0.3-1 part of a water-soluble polymer, 1-5 parts of an expanding agent, 0.5-2 parts of a surface modifier and 40-60 parts of water. According to the invention, corrosion ions in the marine environment are effectively prevented from invading, efficient protection of the offshore photovoltaic support and prolonging of the service life are realized, and the later maintenance cost is reduced.

The invention discloses a double-phase-change flexible film for solar power generation and a preparation method of the double-phase-change flexible film. According to the method, water-soluble polymers such as polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide and the like are used as flexible base materials and are physically blended with vanadium dioxide, freeze drying is performed, then phase change heat storage materials such as fatty acid, alkane, polyethylene glycol, paraffin and the like are subjected to vacuum impregnation adsorption, and the double-phase-change flexible film for solar power generation is synthesized. The double-phase-change flexible film synthesized by the method can realize double phase change in the same phase change temperature zone, has a selective intelligent reflection function on near-infrared light before and after phase change, and has relatively high photo-thermal conversion efficiency, and the synthesis method is simple, safe and easy to prepare. Wide application prospects are realized in the aspects of solar power generation, electronic device heat management, intelligent infrared stealth and the like.

A pressure-relief valve includes a main body equipped to be fastened to a flexible package material. The main body has at least one through hole forming a passage through the main body. A valve membrane lies, on a package side, against the main body in a region around the hole, and a sealing liquid between the main body and the valve membrane. The valve has a water-soluble polymer, whereby at least one component of the valve, for example the main body, is made of a polymer composition that includes a water-soluble polymer.

The invention provides a flexible composite electromagnetic shielding film which is of a layered composite structure, an aluminum foil or a copper foil which has a grounding function and focuses on medium and low frequency electromagnetic shielding protection is adopted as a good electronic conductor film layer A, and a polyester film or an ultra-high molecular weight polyethylene microporous film is adopted as a high-strength carrier film layer B; a composite material electromagnetic shielding coating C emphasizing high-frequency protection is formed on the surface of A or B in a coating mode, the thickness of the electromagnetic shielding coating C ranges from 30 micrometers to 600 micrometers, the porosity ranges from 15% to 45%, the electromagnetic shielding coating C comprises single-walled carbon nanotubes and multi-walled carbon nanotubes, and the single-walled carbon nanotubes and the multi-walled carbon nanotubes form a three-dimensional conductive network. The hard carbon micro powder and the ferromagnetic submicron powder have good wave absorbing performance, and the water-soluble polymer adhesive, the surfactant and the nano rubber are added; the film layers or the coatings are bonded together through a film layer D with a bonding function; when the test frequency is between 100MHZ and 25GHZ, the absolute value of the shielding effectiveness SE of the flexible composite electromagnetic shielding film is greater than 40dB.

An article comprising a composite body, wherein the composite body can comprise ceramic particles distributed within a binder. The binder can include a cross-linked polymer of a first polymer and a second polymer wherein the first polymer is a water-soluble polymer, and the second polymer is a water-insoluble polymer. The composite body can have a water stability factor (WS) of at least 70%, and may be adapted for adsorbing and desorbing lithium ions. The composite body can further have a high bulk compression strength of at least 70 N.

The invention belongs to the technical field of solid-state electrolytes, relates to a water-soluble polymer solid-state electrolyte and a preparation method and application thereof, and particularly relates to a water-soluble environment-friendly polymer composite solid-state electrolyte, a preparation method and a solid-state lithium / sodium battery. The water-soluble polymer solid electrolyte is prepared by preparing the water-soluble block polymer, the metal salt and the fast ion conductor into slurry, blade-coating the slurry on the porous fiber skeleton and drying to form a film, and the water-soluble polymer solid electrolyte is low in preparation raw material cost, free of emission of organic pollutants, good in environmental protection property, prepared under the air condition, free of harsh preparation conditions, suitable for industrial production and suitable for industrial production. Meanwhile, the prepared solid electrolyte has the characteristics of high ionic conductivity and good interface stability, and can be applied to electrochemical devices such as solid lithium batteries and solid sodium batteries.

The present invention provides a preparation for animals, with which a medicine can be retained in an oral cavity of an animal for a sufficient time or a medicine can be released rapidly in an oral cavity of an animal.　The present invention relates to a film preparation capable of adhering to oral cavities of animals, the film preparation having at least one film layer containing a prophylactic or therapeutic medicine for an animal disease and an easily-water-soluble polymer.

Proposed is a method for forming an electroless plating electrode through selective cross-linking layer formation using a laser, specifically, the method includes forming a selective cross-linking layer by sintering a water-soluble polymer thin film layer, which is formed on a substrate by coating, to form a patterned shape thereon using a laser, followed by forming a precise metal pattern by electroless-plating the selective cross-linking layer with copper, nickel, or other metals. The method offers a simple manufacturing process, cost efficiency, and flexibility in manufacturing without being limited by the shape of a substrate, thereby patterns may be formed on various substrates. A catalyst material for electroless plating is mixed with a polymer material to directly cross-link the substrate. Thus, durability is improved but also an electrode may be formed with a substrate by electroless plating simply and in a short time due to use of only a single material.

Provided is a polishing composition that can offer a high-grade surface. The polishing composition contains silica particles (A), a basic compound (B), a first water-soluble polymer (C1), a second water-soluble polymer (C2), and water (D), wherein the first water-soluble polymer (C1) is a polyvinyl alcohol-based polymer. A product (ER × ζ) of an etching rate ER [µm / h] of the polishing composition and zeta potential ζ [mV] of the polishing composition is -900 nmV / h or more and -90 nmV / h or less.

The invention discloses antistatic medical gauze and a preparation method thereof, and relates to the technical field of medical gauze. The antistatic medical gauze comprises the following raw materials in parts by mass: 60-80 parts of cotton fibers, 1-5 parts of an antistatic agent, 5-15 parts of a water-soluble polymer and 0.5-1 part of an antibacterial agent. Compared with the traditional technology that the antistatic effect is transient and is easily influenced by environmental factors, the invention realizes long-acting and stable charge neutralization capability by introducing a specific micromolecule antistatic agent (such as a compound shown in the formula 1) and combining a moisture absorption conductive mechanism, an ionization effect and surface energy regulation. The trend shows that the static dissipation is faster and the effect is lasting, the problems of potential safety hazards and dust adsorption caused by charge accumulation are effectively avoided, and the defect that the effect of an antistatic agent in the prior art is not lasting is overcome.

The invention discloses a preparation method of self-adhesive low-temperature-resistant multifunctional conductive gel as well as a product and application of the self-adhesive low-temperature-resistant multifunctional conductive gel, and belongs to the technical field of flexible electronic materials. The preparation method of the self-adhesive low-temperature-resistant multifunctional conductive gel comprises the following steps: adding an organic monomer into a sodium lignin sulfonate solution, adjusting the pH value to 2-4, then adding an initiator, and carrying out in-situ polymerization to obtain an LS / ICP mixed solution; dissolving the LS / ICP mixed solution and transition metal salt in a solvent to obtain a solution A; mixing the water-soluble polymer solution, acrylic acid, an initiator and a solvent to obtain a solution B; adding the solution A into the solution B, uniformly stirring and standing to obtain hydrogel, and soaking the hydrogel in a deep eutectic solvent to obtain the self-adhesive low-temperature-resistant multifunctional conductive gel. The self-adhesive low-temperature-resistant multifunctional conductive gel prepared by the invention has the advantages of good mechanical property, excellent self-adhesive property, high ionic conductivity, low temperature resistance, low preparation cost and the like.

This provides an improved dissolvable solid article with a specific aspect ratio. Such dissolvable solid article has a multilayer structure comprising two or more flexible, dissolvable, porous sheets, while each of which comprises a water-soluble polymer and a surfactant and is characterized by a Percent Open Cell Content of from 80% to 100% and an Overall Average Pore Size of from 100 μm to 2000 μm. The multilayer dissolvable solid article is characterized by a maximum dimension D and a minimum dimension z; and wherein the ratio of D / z ranges from 1 to 10.

Embodiments of the present disclosure are directed to a coated substrate comprising a water swellable coating applied to the substrate. Based on the total weight of the water-swellable coating, the water-swellable coating comprises 30% to 90% by weight of a plastisol binder and 10% to 70% by weight of a superabsorbent polymer. The plastisol binder comprises from 1 wt% to 50 wt% of a water soluble polymer and from 50 wt% to 99 wt% of a plasticizer, based on the total weight of the plastisol binder.

The invention relates to a preparation method of a water-in-water nanocellulose Pickering emulsion with uniform and controllable size, which comprises the following steps: S1, preparing an aqueous two-phase system, and respectively preparing a water-based continuous phase and a dispersed phase of a water-soluble polymer with compatible type, concentration and molecular weight; s2, preparing an aqueous continuous phase suspension containing 5%-8% of cellulose nanocrystal (CNC) particles; s3, assembling a micro-channel device which comprises a two-water-phase two-channel angle-designable feeding pipe, a length-dependent composite pipe for regulating and controlling the size of a dispersed phase, a lead-in pipe for introducing the particle suspension and the composite pipe according to a set angle, and a spiral pipe for forcibly assembling and optimizing particles on a two-phase interface and adaptively regulating and controlling the length / screw pitch / diameter; s4, preparing a water-in-water emulsion with stable CNC particles; according to the method, two-water-phase compounding and particle interface assembling are strengthened through micro-channel design, the flow speed and the air pressure interruption time are regulated and controlled, accurate control over the emulsion size and the droplet distance is achieved, and the common problems that the emulsion size is not uniform and the particle coverage degree is not high are solved.

A gas barrier laminate includes a substrate layer containing a resin, an inorganic oxide layer, and a gas barrier coat layer in this order. The gas barrier coat layer is a cured article of a composition, and the composition contains a water-soluble polymer, a first silicon compound composed of a silicon alkoxide in formula (1) below, and a second silicon compound composed of a silicon alkoxide in formula (2) below. The ratio of the water-soluble polymer to the water-soluble polymer and the second silicon compound is 55 to 95% by mass, and the ratio of the first silicon compound to the first silicon compound and the second silicon compound is more than 0% by mass and 89% by mass or less. Si(OR1)4 ... (1) (R2Si(OR3)3)n ... (2) (in formulas (1) and (2) above, R1 and R3 each denote an alkyl group, and R2 denotes an organic functional group; n represents an integer equal to or greater than 1).

The invention discloses a liquid crystal cream with an ice cream appearance. The liquid crystal cream is prepared from the following raw materials in percentage by weight: 5-10% of a humectant, 0.1-1% of a preservative, 0.1-3% of an emulsifier, 15-25% of an emollient, 0.3-1% of a thickener, 1-5% of a skin conditioner and the balance of water. According to the invention, the water-soluble polymer combination of the sodium carbomer and the sodium polyacrylate grafted starch is added, so that the liquid crystal cream with the appearance and texture of ice cream can be formed, the liquid crystal cream has the skin feeling experience of being light, not greasy and ice-cold water, the heavy and depressed feeling of the traditional cream is improved, and the sensory experience is better. According to the invention, the stability and transmission efficiency of active ingredients are enhanced by means of microparticle gel formed by a lamellar liquid crystal technology and a polymer, meanwhile, a lipoid structure between cuticle cells is simulated, the skin barrier function is enhanced, and the moisturizing, soothing, tightening and anti-wrinkle effects of a cream product on the skin are effectively improved.

The invention discloses an etching solution and a preparation method and an etching method thereof, and belongs to the technical field of microelectronics and display panel manufacturing. The etching liquid comprises the following components in percentage by mass: 50-70% of phosphoric acid, 5-30% of acetic acid, 5-15% of nitric acid, 0.1-0.5% of a water-soluble polymer, 0.05-0.3% of a boron-containing compound, 0.05-0.5% of an etching control agent and the balance of water. The water-soluble polymer is selected from one or more of water-soluble polymers containing a hydroxyl group, an amide group, an ether bond or a pyrrolidone group. The etching solution contains a specific water-soluble polymer, a protective layer can be formed on the surface of the photoresist, attack of high-concentration acid to the etching solution is effectively inhibited, and the cracking problem is avoided; meanwhile, through the synergistic effect of the boron-containing compound and the azole etching control agent, the etching rate, the slope angle and the key size loss can be accurately controlled, and therefore the excellent etching morphology meeting the requirement is obtained.