5708 results about "Antifoam agent" patented technology

A coating composition for fabrics includes wetted microspheres containing a phase change material dispersed throughout a polymer binder, a surfactant, a dispersant, an antifoam agent and a thickener. Preferred phase change materials include paraffinic hydrocarbons. The microspheres may be microencapsulated. To prepare the coating composition, microspheres containing phase change material are wetted and dispersed in a dispersion in a water solution containing a surfactant, a dispersant, an antifoam agent and a polymer mixture. The coating is then applied to a fabric.

The invention relates to an epoxy resin potting adhesive which consists of component A and component B. By weight portion, the component A consists of 90-130 portions of bisphenol A type epoxy resin, 240-320 portions of filling, 15-25 portions of thinner, 10-25 portions of toughener, 1-2.5 portions of defoamer and 0.8-2 portions of black pigment, and the component B consists of 60-130 portions of estolide and 1-3 portions of imidazole accelerator. The mixing proportion of the component A and the component B is (3-5):1. The invention also provides a preparation method of the epoxy resin potting adhesive. The epoxy resin potting adhesive provided by the invention has low cost and long resting period; after being mixed, the component A and the component B have low viscidity, good wetting quality, good heat resistance, good defoaming performance, good fluidity and long operating time and are solidified between 70 DEG C and 160 DEG C; a product after solidifying has bright surface, good mechanical performance and insulating performance and high glass transition temperature; and the quality of a potting component is stable.

The invention relates to a multifunctional high-efficiency heat-preservation heat-insulation coating material. The compositions in percentage by weight of the coating material are: 10 to 20 percent of water, 0.1 to 0.2 percent of multifunctional auxiliary agent, 0.1 to 0.2 percent of wetting agent, 0.5 to 0.8 percent of dispersing agent, 0.3 to 0.5 percent of antifoam agent, 1.5 to 3.0 percent of propylene glycol, 16 to 20 percent of rutile-type titanium pigment, 3 to 5 percent of mica powder, 6 to 8 percent of hollow glass microballoon, 3 to 5 percent of infrared powder, 3 to 4 percent of fire retardant, 35 to 40 percent of elastic acrylic acid emulsion, 3 to 5 percent of opaque polymer, 0.5 to 0.8 percent of film-forming auxiliary agent, 0.2 to 0.3 percent of bactericide and preservative and 0.3 to 0.6 percent of thickening agent. The multifunctional high-efficiency heat-preservation heat-insulation coating material is of aqueous monocomponent and does no harm to human body and the environment so as to be an environment-friendly product; meanwhile, the coating material also has excellent waterproof and fire-retardation functions, convenient and quick construction, excellent adhesion strength, outstanding crack resistance, infrequent pollution and service life as long as 15 years; moreover, during practical use, the coating material can effectively reduce solar heat accumulated in a house by approximately 8 to 15 DEG C, and can greatly reduce energy consumption.

An ultrahigh-strength active powder concrete is a mixture prepared by mixing the following materials according to weight portion: 1000 portions of Portland cement, 600-1400 portions of quartz sand, 90-400 portions of siliceous dust, 200-400 portions of silicon powder, 100-300 portions of quartz powder, 80-350 portions of high-strength steel fiber, 15-30 portions of high-efficiency water reducing agent, 250-320 portions of water, 60-120 portions of AEA expanding agents, 0-15 portions of latex powder, 0-10 portions of polyester fiber and 0-2 portions of antifoam agents. The preparation method comprises the following steps: preparing the materials according to the weight proportion, firstly mixing water, cement, quartz sand, siliceous dust, silicon powder, quartz powder, AEA expanding agents, high-efficiency water reducing agent, latex powder, polyester fiber, and antifoam agents into pasty state; then adding high-strength steel fiber, and mixing for 4-6 minutes. The prepared active powder concrete has super-high compressive and bending strengths, high mechanical property and high durability.

The invention discloses composite epoxy anticorrosive paint and a preparation method thereof. The composite epoxy anticorrosive paint is composited by a component A and a component B at a ratio of 2:1, wherein the component A comprises constituents as follows: organosilicon modified epoxy resin, a pigment, filler, a plasticizer, a dispersant, a coalescing agent and a antifoaming agent; the component B comprises constituents as follows: polyphenyl ether resin powder, styrene-butadiene rubber, toluene, a plasticizer, a coupling agent, auxiliary materials and a flame retardant; and the components A and B are mixed respectively for preparation, and B is sprayed on A to form the composite epoxy anticorrosive paint. The composite epoxy anticorrosive paint is prepared by two components, has superior high-temperature resistance and abrasion resistance as well as good adhesion and low shrinkage simultaneously, has good corrosion resistance and penetration resistance to water, medium acid, alkali and other solvents and further has superior flexibility and paint application simultaneously; and the preparation method of the composite epoxy anticorrosive paint is simple and low in cost.

The invention relates to a water thermal-insulation paint used in constructions, comprising the following raw materials: ceramic hollow micro bead, emulsion, latent solvent, filler, pigment, wetting agent, dispersing agent, thickening agent, antifoam agent, germicide and water. The ceramic hollow micro bead, which is added in the paint, can form a paper-thin enclosed hollow cavity layer when coated on the surface of a building, thereby effectively preventing thermal conduction and thermal radiation.

The invention relates to a phosphorus-free metal cleaning agent comprising the components of, by weight, 2-20% of a cleaning aid, 1-20% of a surfactant, 1-10% of a chelating agent, 1-20% of an emulsifier, 1-10% of an antirust agent, 0.2-4% of a copper alloy corrosion inhibitor, 1-10% of a penetration agent, 1-6% of a solubilizing agent, 0.1-0.6% of a defoaming agent, and balance of water. The cleaning agent provided by the invention has excellent cleaning capacity, long rust proof period, low foam, long service life, and the like. The cleaning agent is suitable for ferrous metal and non-ferrous metal processing industries. The agent has the advantages of no volatilization, no irritation, no toxic or harmful substance such as nitrite, no damage to health, and no environment pollution.

A candlewax composition having improved scent-throw, and candles made from the composition, are provided. The candlewax composition includes at least a wax component and an antifoam agent. An effective amount of a scenting agent can be separately added by a candlemaker.

The present invention provides a carbon nano-tube reinforcing cement-based composite material and the preparing method thereof, which relates to an inorganic non-metal fiber-reinforced cement-based composite material and the preparing method thereof. The invention settles the problem that the carbon nano-tube is hard to uniformly dispersed in the cement substrate, and the carbon nano-tube reinforcing cement-based composite material of the invention is mainly composed of carbon nano-tube, dispersing agent, thickening stabilizing agent, cement blending material, superplasticiser, antifoaming agent and cement; the method of the invention comprises the following steps: slowly injecting the continuous phase mixed liquid of the thickening stabilizing agent into the carbon nano-tube disperse phase mixed liquid; adding the cement mixing material, mixing to uniform, heating and ultrasonic agitating, then vacuum discharging the bubble; then adding into the mixed liquid of the superplasticiser and the water for mixing to uniform, further eliminating the bubble with the antifoam agent; at last adding cement for mixing to uniform, adding the slurry into the oil mould and jolt ramming for molding; mode removing and standard maintaining to the prescribed lifetime. The carbon nano-tube in the product prepared by the method of the invention is uniformly dispersed in the cement substrate. The mechanical property and conductivity of the product is increased for several times.

The invention discloses a water-based ultra-thin fire-retardant coating for steel structures. The fire-retardant coating comprises components as follows: a binder emulsion, an intumescent flame retardant system, filler, deionized water and additives, wherein the additives comprise a dispersing agent, an antifoaming agent, a mold inhibitor, an anti-flash-rust agent, a coalescing agent, a leveling agent and a thickener; the intumescent flame retardant system comprises a dehydration catalyst, a carbonizing agent and a foaming agent. The invention further designs a preparation method of the water-based ultra-thin fire-retardant coating for the steel structures. The components are mixed sequentially to be prepared into the water-based ultra-thin fire-retardant coating for the steel structures in a vertical sand mill and a dispersing tank. The prepared coating is large in adhesive force, high in hardness, good in fireproof property, good in anti-scratch performance and excellent in weather resistance and water resistance, the surface layer of the coating is fine and smooth, the decoration performance is improved significantly, and the preparation method is low in energy consumption and has the advantages that the harm to human bodies and the pollution to the environment during preparation are small and the like.

An edible water-soluble film is provided. The film includes at least one water-soluble polymer, and a foam reducing flavoring agent, wherein the film is free of added anti-foaming or defoaming agents.

The invention belongs to the technical field of new materials, and particularly relates to high-concentration and high-purity highly pre-dispersed graphene slurry and a preparation method and an application of thereof. The graphene slurry is prepared from the following raw materials in parts by weight: 0.5-15 parts of graphene, 0.1-20 parts of an anti-fold cleavage dispersing agent, 0.01-1 part of a defoamer and 80-95 parts of a solvent; the graphene slurry is prepared through high-energy cleavage and dispersion; the viscosity of the prepared graphene slurry is smaller than 10,000cPs; and the metal impurity content in the slurry is smaller than 100ppm. High-concentration cleavage and folding prevention can be achieved; and the graphene slurry has the properties of extremely high purity and low viscosity, is very easy to be dispersed for the second time, and is suitable for an automatic feeding system.

The invention relates to an ink-jetting ink, in particular to a sublimation ink-jetting ink used for an industrial nozzle and a manufacturing method thereof. The sublimation ink-jetting ink comprises, by weight, 1-6% of disperse dyes, 10-14% of wetting agents, 5-20% of viscosity adjusting agents, 0.1-2% of bactericides, 0.01-1% of pH buffering agent, 1-10% of liquid resin, 0.1-40% of disperse agents, 0.01-5% of antifoaming agents, 0.1-5% of surface active agents, 0.01-2% of metal ion chelating agents and 10-80% of purified water. The manufacturing method of the sublimation ink-jetting ink used for the industrial nozzle includes color paste manufacturing and finished product manufacturing. The sublimation ink-jetting ink used for the industrial nozzle is simple in manufacturing method, smooth in ink jetting, free of blocking the nozzle, good in dispersion stability, free of going bad or denaturing even if being stored for a long time and low in cost, and diameters of dispersed ink points are even.

The invention discloses wear-resistant, antiknock and radiation-resistant concrete and a preparation method thereof. Each cubic meter of the concrete comprises 600-1600kg of cement, 400-1400kg of fine aggregate, 30-560kg of a high-strength admixture, 250-1800kg of functional aggregate, 3-500kg of high tensile strength fibers, 0.4-45kg of organic fibers, 0.6-43.2kg of a water reducer (based on solid content), 0.06-43kg of an antifoaming agent, 6-129kg of an expanding agent and 100-430kg of water. The wear-resistant, antiknock and radiation-resistant concrete has high wear resistance, instant high temperature explosion resistance, high knock resistance, high toughness and radiation resistance.

The invention provides a modified urea-formaldehyde resin adhesive low in formaldehyde residue and a production method thereof. The modified urea-formaldehyde resin adhesive is characterized by being prepared from the following raw materials in parts by weight: 100 parts of modified urea-formaldehyde resin, 20-25 parts of reinforcing agent and 0.1-0.2 part of defoamer, wherein the reinforcing agent is any one or a composition of several of white carbon black, titanium dioxide, calcium carbonate and kaolin having the particle size greater than 300 meshes; the defoamer is polydimethylsiloxane or tributyl phosphate. The formaldehyde residue of the modified urea-formaldehyde resin adhesive provided by the invention is less than 0.1 mg/L; the modified urea-formaldehyde resin adhesive is used as an adhesive for an artificial board; as the modified urea-formaldehyde resin adhesive is low in release amount of formaldehyde, the health of customers is protected.

The invention discloses a room-temperature-curable aqueous anticorrosion primer used for coating the external surface of a construction crane. The primer comprises the following components by weight: 35-45% of an aqueous resin, 5-8% of a curing agent, 1-3% of a dispersant, 5-12% of an antirust pigment, 20-35% of a pigment filling material, 1-2% of an anti-settling agent, 0.5-1% of a wetting agent, 0.5-1% of a thixotropic agent, 0.5-1% of an antifoaming agent, 0.1-0.8% of a flash etching inhibitor, 0.1-0.8% of a mildew inhibitor, 1-3% of a film-forming auxiliary agent and 10-20% of deionized water. The invention also discloses a preparation method of the aqueous anticorrosion primer. The aqueous anticorrosion primer has a room-temperature-curable paint film, is energy-saving and environment friendly, and can satisfy safe production requirements of enterprises; the primer is high in solidity, low in viscosity, convenient for construction; and the coating of the primer has good corrosion resistance and water proofness, and the comprehensive properties of the coating reach performance indexes of same-type oiliness products.

The invention relates to a water-based ink and a preparation method thereof, especially to an environment-friendly type water-based intaglio ink used for package printing and a preparation method thereof. The ink is prepared by mixing epoxy acrylate composite emulsion, pigments, deionized water, ethanol, triethylamine, wax powder, a wetting dispersant, an anti-foaming agent, a levelling agent, a thickening agent and a film forming auxiliary agent according to a certain mass ratio, wherein, the epoxy acrylate composite emulsion is prepared by modifying acrylate emulsion with an epoxy resin and allowing the epoxy resin and acrylate to organically bind together, has the advantages of good adhesion, thermostability, good chemically-resistant properties and the like and has a certain application value when used as a binder for a water-based ink. The water-based intaglio ink in the invention is applicable to package printing in the field of flexible package which mainly relates to packaging of tobacco, liquor, foodstuffs, beverage, medicines, daily chemical articles and the like; the ink is nontoxic, non-combustible and non-explosible, has no pungent smell, accords with environmental protection requirements, and has a very promising prospect.

The invention discloses a general anorganosilicon antifoaming agent compound and preparation thereof, comprising 20-90% by weight of organic hydrocarbons material, 0.5-10% by weight of main antifoaming material, 1-15% by weight of antifoaming synergist and 1-10% by weight of emulsifying agent. The preparation method is: (1) mixing half of organic hydrocarbons material with main antifoaming material, rising the temperature to 80-120 degree C and keeping for 0.5-3h to make sure the main antifoaming material to be dispersed completely; (2) adding the rest of the organic hydrocarbons material and the antifoaming synergist to said mixture in turns, and keeping the temperature at 60-90 degree C for 0.5-2.0h to make sure to be mixed thoroughly; (3) dropping the temperature below 50 degree C, adding the emulsifying agent and mixing blend even. The anorganosilicon antifoaming agent compound substantially improves the defoaming properties of the antifoaming agent based on adding high molecular antifoaming synergist, has the advantage of good stability, little recruitment and good security, and is used in the process of papermaking and coating, circuit board developing and metal cleaning of the paper industry.

The present invention discloses a water-based cutting fluid for vermicular cast iron processing, and a dilution solution thereof. The water based cutting fluid comprises 3-10% of an anti-rust additive, 4-10% of fatty acid amide, 2-3% of organic amine, 3-10% of long-chain fatty acid, 2-5% of fatty alcohol polyoxyethylene ether, 5-8% of petroleum sodium sulfonate, 1-5% of a coupling agent, 10-15% of an extreme pressure additive, 15-20% of a synthetic ester, 1-2% of a sterilization agent, 0.5-1.0% of an anti-forming agent, and 32-45% of water, wherein the anti-rust additive is a boric acid anti-rust additive and dicarboxylic acid, and the coupling agent is a fatty alcohol and/or aliphatic ether. The water-based cutting fluid of the present invention has characteristics of good lubrication performance, good cooling performance, good anti-rust property, no chlorine, diamine, nitrite and other nitro compounds, no environmental pollution, no irritating odor, easy cutting, easy powder settlement, and effective cutter service life prolonging.

The invention relates to the process of an inflatable ultrathin steel structural weather-fire resisting nanopaint. It is composed of acrylic resin:16-25; amine resin:5-8; epoxy modified high polymer: 5-8; nano-compound fire retardant:3-6; superfine compound fire retardant: 35-45; intensify spun glass: 4-7; smoke abatementer:2-4; chlorinated paraffin:2-4; rutile titanium white:3-5; elasticizer:2-4; antifoam agent:0.3-0.6; flow promoter:0.3-0.6; mixing solvent:15-20. The above mixture is lapped to 60um of diameter and we can get the product. The product has the good resistance of the fire, water, oil and salt.

The invention discloses a preparation method of a conductive anticorrosive coating of modified graphene. The method comprises the steps that firstly, polyaniline is grafted to the surface of modified graphene in a conjugate mode, and the polyaniline is used as conductive filler and then forms the conductive anticorrosive coating with epoxy resin. The component A is prepared from 10 g of epoxy resin, 1.0-2.5 g of modified graphene powder, 0.1-0.3 g of fumed silica anti-settling agent, 10-30 ml of a mixing solvent, 0.01-0.03 g of polydimethylsiloxane defoaming agent, 0.03-0.05 g of a flatting agent and 0.04-0.06 g of a sodium dodecyl benzene sulfonate dispersing agent. The component B is prepared from 3-10 g of a curing agent and 3-10 ml of a mixing solvent. The mixing solvent comprises xylene and normal butanol, and the volume ratio of xylene to normal butanol is 7:3. The modified graphene is used as the filler, the conductive anticorrosive capacity of the coating can be greatly improved, and the great potential application value is achieved on the earth screen conducive and anticorrosive aspects.