35results about How to "Excellent foam suppression" patented technology

The invention discloses a novel high-efficient compound decarbonization solvent which comprises N-methyldiethanolamine and an active agent. The active agent is a mixture which consists of at least two of N-hydroxyethyl morpholine, 2-amino-2-methyl-1-propanol and piperazine, wherein the weight ratio of the N-hydroxyethyl morpholine is 80 to 90 percent; the weight ratio of the active agent is 10 to 20 percent and a defoaming agent is also added into the compound decarbonization solvent. The novel high-efficient compound decarbonization solvent has the advantages of high carbon dioxide absorption capacity, high purification degree, low regeneration energy consumption, and no foams after long-term use of the decarbonization solvent.

The invention relates to an extraction method based on a waterhyacinth surface active agent substance. The extraction method comprises the following steps of: mashing waterhyacinth leaves, stems or stem leaves, adding an ethanol solution, leaching for 4-8 hours at 30-50 DEG C, filtering, repeating for 1-3 times to obtain a filtered solution, and carrying out concentration. The method is simple and convenient and is easy to implement, the operation is easy, the pollution is free, and a raw material is from a reproducible biomass resource. The natural active substance extracted by the method provided by the invention can notably reduce a surface tension effect, the natural active substance can serve as a foam suppressor and has the good foam repressing property and the defoaming property, and the natural active substance also can serve as a dispersant agent with superior performance after being compounded with a general surface active agent.

The invention discloses a defoamer containing silicone oil and epoxidized soybean oil. The defoamer has excellent defoaming, foam inhibition and anti-shearing performances. The defoamer containing silicone oil and epoxidized soybean oil, taking 100 parts as a baseline, comprises the following components in parts by mass: 5 to 15 parts of compound silicone oil, 5 to 15 parts of epoxidized soybean oil, 2 to 10 parts of polyether, 1 to 6 parts of fatty alcohol-polyoxyethylene ether, 1 to 6 parts of sorbitan tristearate, 1 to 8 parts of polyoxyethylene sorbitan fatty acid ester, 2 to 5 parts of glycerinum, 0.1 to 2 parts of glycerin monostearate and the balance of deionized water.

The invention relates to a process for preparing water-based / solvent-free mirror-surface polyurethane synthetic leather. The steps are as follows: 1) immersing a non-woven fabric base cloth in an aqueous polyurethane solution, and the impregnation amount of the dipping solution is 70-75% of the non-woven fabric base cloth ; 2) Pull out the impregnated material to drain excess liquid, and then dry; 3) Evenly coat one layer of WPU surface layer on one side of the dried material; 4) Pass the WPU surface on the dried material Layer bonding TPU film, and heat lamination can be sterilized at high temperature. After sterilization, it is cooled with cold water in time and then vacuum-packed to make vacuum foie gras. The present invention not only solves the problems of easy fogging, poor flexibility, and intolerance to yellowing, but also improves the air permeability, mechanical properties and environmental protection performance of the product of the present invention.

The invention discloses a scrubbing-resistant anti-microbial inner wall emulsion paint. The emulsion paint comprises raw materials: modified PVA, methyl methacrylate, polymethyl methacrylate, light calcium carbonate, talcum powder, lithopone, calcined kaolin, hydroxyethyl cellulose, a dispersant SN-5040, a dispersant SN-5027, a multifunctional auxiliary agent AMP-95, 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate, an antifoaming agent NXZ, negative ion-anti-microbial additives, sodium polyphosphate, a flatting agent, a nano stain-resistant agent NZM-1, propylene glycol, 5-chloro-2-methyl-4- isothiazolin-3-ketone and deionized water. The inner wall emulsion paint is not easy to generate powder, has good scrubbing resistance and stain resistance, is safe and environmentally friendly, and has a long anti-microbial validity period.

The invention provides an environmental-friendly organic silicon water blocking prevention agent for a drilling fluid and a preparation method and application thereof. The organic silicon water blocking prevention agent comprises a hydrophobic group and a hydrophilic group, wherein the hydrophobic group is a polymethyl hydrosiloxane chain; the hydrophilic group is a sulfonic acid group and hydroxyl. The organic silicon water blocking prevention agent is prepared from methylsiloxane and vinyl siloxane through hydrolytic condensation reactions and grafting reactions with sulfonic acid group monomers. By adopting the organic silicon water blocking prevention agent provided by the invention, surface tension can be relatively well reduced, water wetting on the surfaces of pores can be turned into vapor wetting, flow-back of filtrate can be improved, gas permeability can be improved, and water blocking damage caused by a reservoir can be remarkably reduced; in addition, the organic silicon water blocking prevention agent is low in foaming rate, good in foam inhibition and elimination property, easy in preparation raw material obtaining, safe and feasible in reaction condition and easy inindustrial production.

A refractory organic silicon emulsion as defoamer is prepared from the modified siloxane with 0.5-2 pa.s viscosity and the mixed emulsifier containing at least one organic acid, alcohol, or amine through proportional mixing, adding water and emulsifying.

The invention discloses a compound-type de-foaming agent. The compound-type de-foaming agent comprises the following raw materials in percentage by mass: 1-20 percent of modified silicon polyether, 5-70 percent of polyether modified siloxane, 3-50 percent of an emulsifying agent, 10-20 percent of polyethylene glycol, 1-10 percent of fatty alcohol and 2-15 percent of triglyceride. The compound-type de-foaming agent has the advantages of stable performance, high de-foaming speed and long foam inhibition time, does not poison sewage microorganisms, does not change the COD (chemical oxygen demand) and BOD (biochemical oxygen demand) of sewage, and is applicable to wastewater treatment of enterprises of papermaking, printing-dyeing, sugar refinery, pharmacy and leather.

The invention discloses a defoaming agent for sewage treatment and a preparation method of the defoaming agent. The defoaming agent comprises the following raw materials by weight: modified silicone polyether, polyether siloxane, an emulsifying agent, polyethylene glycol, diethanol glycerolipid, ethylene bis stearamide, heavy liquid paraffin, dimethyl silicon oil, white carbon black, compound fatty acid salt, a texturing agent, propylene glycol stearic acid ester, a dispersant and a stabilizer, wherein the texturing agent comprises more than two types of chemical substance in molasses, polyaluminium chloride, polyaluminium sulfate, aluminum sulfate, calcium chloride and modified bentonite. The defoaming agent is good in stability and low in cost, greatly reduces the sewage treatment cost, does not cause secondary pollution, has high effect on reducing surface tension, has good and rapid defoaming and antifoaming effect, does not poison microorganisms in sewage, does not change COD and BOD performances of the sewage, and is beneficial to the subsequent water treatment technology, simple in production process and convenient to use.

The present invention provides an oil-in-water emulsion composition having excellent storage stability without being restricted by blending and without thickening or solidification during storage. An oil-in-water emulsion composition and a method for producing the composition are provided, wherein the oil-in-water emulsion composition is an oil phase component containing a higher alcohol with 12 to 30 carbon atoms and a poorly water-soluble An oil-in-water emulsion composition of hydrophilic inorganic fine particles according to the present invention, wherein the fine particles of the oil phase component are dispersed in a state covered with the hydrophilic inorganic fine particles.

The invention discloses a composite glass clarifying agent, which belongs to the field of the glass production. The composite glass clarifying agent is prepared from the raw materials such as acrylamide and sodium dimethyl diacrylamide sulfonate and can be slowly expanded after being heated, and can form a wrapping and supporting effect for a netted structure formed by silicate and SiO2 in a glasssystem, polymer microspheres comprise partial gas in the preparation process, in the application process, the partial gas overflows rapidly, so that the dispersity is good, and a better bubble inhibition and removal effect can be achieved; and polyether is introduced into the organic silicon, no only can the hydrophilic group but also the oleophylic group be provided, by introducing the paraffinand microcrystalline paraffin, a long-chain aliphatic compound can be introduced, the silicon tetrahydride can be rapidly hydrolyzed into orthosilicic acid and hydrogen under an alkaline condition, generation of other bubbles can be prevented, the secondary bubbles can be further prevented, and a better bubble eliminating effect can be achieved. By adopting the composite glass clarifying agent, the problem that the conventional glass clarifying agent is poor in bubble removal efficiency.

The invention discloses an organic silicon defoaming agent with an anti-cracking function. The defoaming agent is prepared from, by weight, 40-70 parts of simethicone, 20-30 parts of silicon dioxide, 10-20 parts of water, 1-2 parts of acrylic acid emulsion, 0.3-0.5 part of potassium iodide, 0.2-0.4 part of prenyl alcohol, 0.5-1 part of oxidized polyethlene wax, 0.3-0.5 part of kerosene, 0.4-0.8 part of tributyl citrate, 2-4 parts of calcium stearate, 0.4-0.8 part of nonylphenol polyoxyethylene ether, 2-4 parts of bentonite, 1-2 parts of stearamide, 1-2 parts of fatty acid and 0.2-0.4 part of butyl stearate.

The invention relates to finishing liquid for a hot-galvanized plate and a preparation method for the finishing liquid. The finishing liquid comprises a component I and a component II, wherein the component I comprises following ingredients in parts by weight: 23-33 parts of water, 5-8 parts of dibasic acid, 8-12 parts of tricarboxylic acid and 54-57 parts of triethanolamine; the component II comprises following ingredients in parts by weight: 47-68 parts of water, 4-8 parts of sodium carbonate, 3-5 parts of potassium hydroxide, 2-4 parts of disodium ethylenediamine tetraacetate, 6-10 parts of sodium metasilicate pentahydrate, 8-12 parts of reverse block polyether, 6-8 parts of neodecanoic acid and 3-6 parts of sodium benzoate. The finishing liquid has relatively good rust-proof and lubricating effects, has excellent wetting and cleaning properties and relatively high cleaning ability, and can lubricate and repair the surface of a roll; the finished galvanized plate is smooth in surface, and defects of finishing spots and coating moire can be effectively eliminated or reduced; the finishing liquid has good foam-inhibiting and defoaming functions, so that liquid can be avoided from remaining on the surfaces of the roll and a steel plate and the foam can be avoided from overflowing around to affect the working environment.

The invention discloses an antifoaming agent for wastewater treatment and a preparation method thereof. The preparation method comprises adopting modified silicone oil, fatty alcohol, glycerin hard fatty acid ester, nonylphenol ethoxylate, dodecane sodium sulphate, alumina, emulsifier and water to have emulsion reaction to form a mixture M1; mixing the mixture M1 and silica and then conducting heat treatment to obtain the antifoaming agent. A preparation method of the modified silicone oil comprises mixing dimethicone and white carbon black, conducting heating and refluxing to obtain a siliconpaste, mixing the silicon paste, graphene oxide, hydroxymethyl cellulose, sodium benzoate and sodium dodecyl sulfate, shearing and dispersing evenly to obtain the modified silicone oil. The antifoaming agent is long in foam inhibition time and short in antifoaming time, and can be widely applied in the sewage treatment process.

The invention discloses a defoaming agent and a preparation method thereof, and relates to the technical field of defoaming agents. The defoaming agent comprises the following components in parts by weight: 5-15 parts of an emulsifier, 15-25 parts of a high alcohol mixture, 5-15 parts of a dispersing agent, 3-10 parts of a scale inhibitor and 8-20 parts of polyether, wherein the emulsifier comprises Tween 60, Span 80 and liquid paraffin. The defoaming agent prepared by the formula has good defoaming, foam inhibition, dispersion and scale inhibition performances, has a boiling point higher than that of water, and cannot overflow along with water vapor.

The invention discloses oxidation-resisting lubricating oil for civil use, which is prepared from the following components in parts by weight: 10 to 30 parts of vegetable oil, 10 to 12 parts of triethanolamine oleate, 5 to 10 parts of alpha-olefin polymer, 10 to 15 parts of polypropylene glycol adipate, 5 to 10 parts of dipropylene glycol dibenzoate, 3 to 6 parts of chlorinated paraffin, 2 to 10 parts of organosiloxane, 3 to 8 parts of boric acid, 3 to 6 parts of anticreaming agent, 5 to 10 parts of triethanolamine, 1.5 to 7.5 parts of organic molybdenum, 3 to 6 parts of alkyl diphenylamine, and 0.3 to 2.5 parts of additive. The invention provides the oxidation-resisting lubricating oil for the civil use and a preparation method thereof, wherein the lubricating oil is excellent in anti-rust property, antioxidant resistance and abrasion resistance, has good foam inhibition and defoaming properties and good chemical inertness, and cannot have chemical reaction with defoamed medium under different pH values and different temperatures.

The invention discloses a defoaming agent used for wastewater treatment and a preparation method thereof. The preparation method comprises the steps that modified organic silicon oil, sorbitan fatty acid ester, polymethyl siloxane, polyoxyethylene polyol ether, lauryl sodium sulfate, aluminium oxide, an emulgator and water are subjected to emulsion reaction to generate a mixture M1; after the mixture M1 and silicon dioxide are mixed, thermal treatment is conducted to prepare the defoaming agent; a preparation method of the modified organic silicon oil comprises the steps that simethicone and white carbon black are mixed, heating reflux is conducted to obtain silicon cream, the silicon cream, graphene oxide, hydroxymethyl cellulose, sodium benzoate and dodecyl sodium sulfate are mixed and subjected to even shearing dispersion, and thus the modified organic silicon oil is obtained. The defoaming agent which is prepared through the method and used for wastewater treatment is long in foaminhibition time and short in defoaming time, and can be applied in sewage treatment processes on a large scale.

The invention discloses a waste water anti-foaming agent and a preparing method thereof. The preparing method includes the steps that firstly, polyglycerol, benzyl triphenyl phosphorous bromide, amide, nonylphenol polyoxyethylene ether, sodium bromide, potassium iodide, emulsifier and water are used for conducting an emulsion reaction to form a mixture M1; secondly, heat treatment is conducted on the mixture M1 and silicon dioxide, and the waste water anti-foaming agent is prepared. The amide is selected from one or more of ethylene bis-dodecylamide, methylenebis oleic acid amine, methylenebis netmeg amide and methylenebis stearamide. The waste water anti-foaming agent prepared through the method is long in foam inhibition time, short in anti-foaming time and capable of being applied to the sewage treatment process with a large range.

The invention provides a water-based high-fullness clear primer. The preparation method of the water-based high-fullness clear primer comprises the following steps: firstly, sequentially putting A1 and A2 into a dispersing cylinder, putting B1, B2 and B3 into the dispersing cylinder after the A1 and the A2 are dispersed, and then uniformly stirring; secondly, sequentially adding C1, C2, C3 and C4 into another container while stirring, after intensive stirring, slowly adding the C1, C2, C3 and C4 into the dispersing cylinder in a linear way, performing dispersing till no condensed oil exists on a scrapper; thirdly, firstly adding 1 / 2D1, then adding 1 / 2D1 and D2 after the 1 / 2D1 is uniformly stirred at an intermediate speed, and obtaining the water-based high-fullness clear primer, wherein A1 is 70 to 75 parts of self-cross-linking acrylic resin emulsion; A2 is 5 to 10 parts of water-based polyurethane resin emulsion; B1 is 0.1 to 0.2 parts of sterilizing agent; B2 is 2 to 6 parts of water; B3 is 1 to 2 parts of propylene glycol; C1 is 3 to 5 parts of coalescing agent; C2 is 2 to 3 parts of defoaming agent; C3 is 0.2 to 0.6 parts of flatting agent; C4 is 1 to 8 parts of water, D1 is 0.4 to 0.6 parts of thickening agent; D2 is 0.6 to 4.3 parts of water.

The invention discloses silicon-modified polyether, and a preparation method and application thereof. The silicon-modified polyether has number-average molecular weight of 200 to 2000 g / mol. In the formula, which is described in the specification, of the silicon-modified polyether, R is a straight-chain or branched-chain C6-18 alkyl group; R' is a straight-chain or branched-chain C1-10 alkylene group or a C6-10 arylene group; m is in a range of 1 to 20; n is in a range of 0 to 20; and m and n are both integers. The preparation method is simple; the prepared silicon-modified polyether is easilydissolvable in water, rapid in penetration, low in foaming and excellent in foam inhibition and defoaming, can be stably stored in an environment with a pH value of 5.0 to 9.0 for a long time, and isapplicable to preparation of pre-treatment agents for a variety of fabrics; and the silicon-modified polyether is also applicable as a penetrating agent to fields like textiles, papermaking, printingink and pesticides, or as a low-foam surfactant to fields like household cleaning and industrial cleaning.

The invention provides an oil-in-water type emulsion composition having excellent storage stability which is free from the occurrence of sickening or solidification during storage without the restriction by the compounding thereof. An oil-in-water type emulsion composition and a method for producing the composition are provided, wherein the oil-in-water type emulsion composition comprises an oil phase component containing a higher alcohol having 12 to 30 carbon atoms and hydrophilic inorganic fine particles sparingly soluble in water, wherein fine particles of the oil phase component are dispersed in a state in which they are covered by the above hydrophilic inorganic fine particles.

The invention discloses a disposable PVC glove and a production process thereof. The disposable PVC glove comprises water-based PVC paste resin, an anti-radiation material, an environment-friendly plasticizer, an environment-friendly antioxidant, a defoaming agent, a heat stabilizer, an ultraviolet light absorber and an emulsifier. The disposable PVC glove is simple in formula, simple in process, extremely low in energy consumption and low in production cost. The disposable PVC glove not only has softness and plasticity, but also has appropriate elastic performance, the used water-based PVC paste resin does not need to be treated and can be directly used, the anti-radiation material has a good attenuation effect on X-ray radiation, the added defoaming agent has the advantages of high defoaming speed, good foam inhibition and prevention of generation of bubbles in the stirring process, and the toner has good color performance, heat resistance and dispersibility.

The invention discloses a novel high-efficient compound decarbonization solvent which comprises N-methyldiethanolamine and an active agent. The active agent is a mixture which consists of at least two of N-hydroxyethyl morpholine, 2-amino-2-methyl-1-propanol and piperazine, wherein the weight ratio of the N-hydroxyethyl morpholine is 80 to 90 percent; the weight ratio of the active agent is 10 to20 percent and a defoaming agent is also added into the compound decarbonization solvent. The novel high-efficient compound decarbonization solvent has the advantages of high carbon dioxide absorption capacity, high purification degree, low regeneration energy consumption, and no foams after long-term use of the decarbonization solvent.

The invention discloses an integrated defoaming method of a bird's nest protein fluid. A bird's nest fluid obtained after bird's nest is stewed with water is firstly subjected to pH regulation, then,partial enzymolysis is performed, and vacuum high-speed and low-speed stirring and high-temperature and low-temperature defoaming are performed circularly three times after enzyme deactivation treatment. A partial enzymolysis technology is adopted, so that the stability of bird's nest protein foam is notably reduced, foam inhibition and defoaming of the bird's nest protein fluid are facilitated;in combination with a vacuum high-speed and low-speed stirring and foam inhibition technology and a high-temperature and low-temperature defoaming technology, the technical problems of unstable product quality, loss of bird's nest protein and difficulty in can sealing and sterilization caused by high probability of bubbling in the processing process of the bird's nest protein fluid are solved. Themethod is simple to operate, no chemical defoaming agents are added, the defoaming effect is good, the product quality is high and a new way is provided for development of new products of bird's nest.

The invention relates to a preparation method of a foam inhibiting and antifoaming agent for a polyvinyl alcohol (PVA) aqueous solution. The foam inhibiting and antifoaming agent for the PVA aqueous solution consists of the following components in parts by weight: 30-50 parts of a main antifoaming and foam breaking agent, 1-5 parts of a synergistic antifoaming agent, 3-5 parts of a dispersing and wetting agent, 5-10 parts of a solubilizing agent and 40-60 parts of water, and is a mixture which is dispersed into water and is mixed by dispersing in a way of stirring at a high speed at the temperature of 80-95 DEG C for 30 minutes. The foam inhibiting and antifoaming agent prepared with the method is suitable for the preparation process of a high-concentration and high-viscosity PVA aqueous solution, and has excellent foam inhibiting and antifoaming functions by being added in the amount of 0.3-1 percent.

The invention discloses silicon-modified polyether, and a preparation method and application thereof. The silicon-modified polyether has number-average molecular weight of 200 to 2000 g / mol. In the formula, which is described in the specification, of the silicon-modified polyether, R is a straight-chain or branched-chain C6-18 alkyl group; R' is a straight-chain or branched-chain C1-10 alkylene group or a C6-10 arylene group; m is in a range of 1 to 20; n is in a range of 0 to 20; and m and n are both integers. The preparation method is simple; the prepared silicon-modified polyether is easilydissolvable in water, rapid in penetration, low in foaming and excellent in foam inhibition and defoaming, can be stably stored in an environment with a pH value of 5.0 to 9.0 for a long time, and isapplicable to preparation of pre-treatment agents for a variety of fabrics; and the silicon-modified polyether is also applicable as a penetrating agent to fields like textiles, papermaking, printingink and pesticides, or as a low-foam surfactant to fields like household cleaning and industrial cleaning.

A refractory organic silicon emulsion as defoamer is prepared from the modified siloxane with 0.5-2 pa.s viscosity and the mixed emulsifier containing at least one organic acid, alcohol, or amine through proportional mixing, adding water and emulsifying.

The invention discloses silicon-modified polyether, and a preparation method and application thereof. The preparation method comprises the following steps: (1) subjecting polyether and organic base tomixing and a reaction at 80 to 140 DEG C under anoxic conditions so as to obtain a mixture; and (2) cooling the mixture and then subjecting the mixture and halogenated alkyl trimethylsilane to mixingand a reaction at 60 to 120 DEG C, wherein a feeding mol ratio of halogenated alkyl trimethylsilane to polyether is (1.0-1.4): 1. The preparation method is simple; the prepared silicon-modified polyether is easily dissolvable in water, rapid in penetration, low in foaming and excellent in foam inhibition and defoaming, can be stably stored in an environment with a pH value of 5.0 to 9.0 for a long time, and is applicable to preparation of pre-treatment agents for a variety of fabrics; and the silicon-modified polyether is also applicable as a penetrating agent to fields like textiles, papermaking, printing ink and pesticides, or as a low-foam surfactant to fields like household cleaning and industrial cleaning.

The invention provides a water-based high-fullness clear primer. The preparation method of the water-based high-fullness clear primer comprises the following steps: firstly, sequentially putting A1 and A2 into a dispersing cylinder, putting B1, B2 and B3 into the dispersing cylinder after the A1 and the A2 are dispersed, and then uniformly stirring; secondly, sequentially adding C1, C2, C3 and C4 into another container while stirring, after intensive stirring, slowly adding the C1, C2, C3 and C4 into the dispersing cylinder in a linear way, performing dispersing till no condensed oil exists on a scrapper; thirdly, firstly adding 1 / 2D1, then adding 1 / 2D1 and D2 after the 1 / 2D1 is uniformly stirred at an intermediate speed, and obtaining the water-based high-fullness clear primer, wherein A1 is 70 to 75 parts of self-cross-linking acrylic resin emulsion; A2 is 5 to 10 parts of water-based polyurethane resin emulsion; B1 is 0.1 to 0.2 parts of sterilizing agent; B2 is 2 to 6 parts of water; B3 is 1 to 2 parts of propylene glycol; C1 is 3 to 5 parts of coalescing agent; C2 is 2 to 3 parts of defoaming agent; C3 is 0.2 to 0.6 parts of flatting agent; C4 is 1 to 8 parts of water, D1 is 0.4 to 0.6 parts of thickening agent; D2 is 0.6 to 4.3 parts of water.

The invention relates to the technical field of chemical industry products, particularly to an antifoaming agent for papermaking, wherein the antifoaming agent comprises: 120-300 parts of fatty acid,50-80 parts of fatty acid amide, 60-95 parts of fatty acid ester, 3-9 parts of diethylene glycol monooleate, 55-85 parts of allyl alcohol, 2-8 parts of octadecanamide, 45-80 parts of sodium hydroxide,and 1-2 parts of dimethyl silicone oil. The antifoaming agent of the present invention has advantages of excellent foam inhibition and antifoaming ability, low cost and good economic and social value.