55results about How to "Low dynamic surface tension" patented technology

Inkjet ink having pigment colorant and two surfactants having low dynamic surface tension as follows: 0.1% to 0.8% by weight of the ink of 2,5,8,11-tetraethyl-6-dodecyn-5,8-diol ethoxylate (sold commercially as DYNOL™ 604) and 0.5 to 1.0% by weight of the ink of ethoxylated 2,4,7,9-tetramethyl-5-decyn-4,7-diol (sold commercially as SURFYNOL® 465). The inks are significantly improved in photo gloss and color gamut for the printed image on swellable and porous glossy photo media.

The invention provides a multifunctional surfactant composition for a water-based system and a preparation method thereof. The surfactant composition used in formulas of a water-based coating, ink, adhesive and a digital material has low foaming effect and has the effect of effectively reducing the dynamic surface tension of the water-based system. The composition is formed by compounding and modifying based on alkynyl diol or alkynyl diol ethoxylate. The key component structure of the composition is an alkane structure in which R, R1 and R2 are straight-chained or branch-chained, and the number of carbons is 1 to 15; R, R1 and R2 can be the same or different groups; the carbon number of the alkane structure in which R, R1 and R2 are straight-chained or branch-chained is 1 to 15; R, R1 and R2 can be the same or different groups; and the sum of m and n is 1 to 30. The invention simultaneously provides the preparation method for the composition.

A glass fiber-treating agent comprising (A) 5-95% by weight of an acetylene glycol or an ethylene oxide and / or propylene oxide adduct of acetylene glycol and (B) 5-95% by weight of a silicone surfactant. The agent functions to reduce dynamic and static surface tension and contact angle and offers excellent wetting, penetrating and antifoaming properties when glass fibers are treated therewith.

A water-soluble surfactant composition includes an aliphatic diol and a polyoxyalkylene alkyl ether. A 0.1 wt % aqueous solution of the surfactant composition has a contact angle of at most 60 degrees and a dynamic surface tension at both 1 Hz and 10 Hz of at most 50 mN / m. When used in printing inks and paper coatings, this composition provides excellent wettability, penetrability, foam inhibition and dispersibility, is compatible with environmental concerns, and has no adverse effects on printing and coating equipment.

The present invention relates to a composition for preventing water-drops from bouncing and sputtering on a super-hydrophobic surface. The composition comprises two or three of the following substances: 1) a surfactant capable of reducing dynamic surface tension and equilibrium surface tension; 2) a synthesized or natural polymer; and 3) nanoparticles. The composition can be a combination of 1) and 2), and also can be a combination of 1), 2) and 3). Content of the composition is in an aqueous solution or a pesticide diluent and a paint diluent is that in the aqueous solution, the surfactant accounts for 0.1%-1%, the polymer accounts for 0.005%-1%, and the nano particles account for 1%-20%. The composition for preventing water-drops from bouncing and sputtering on the super-hydrophobic surface disclosed by the invention has the advantages of integrating low dynamic surface tension, low equilibrium surface tension, viscosity of the polymer and a thixotropic material, thereby jointly solving problems of the aqueous solution bouncing and sputtering on the super-hydrophobic surface.

The invention relates to a high-viscosity water-based asphalt waterproof coating and a preparation method thereof. The high-viscosity water-based asphalt waterproof coating comprises the following raw materials in parts by weight: 50-70 parts of anionic emulsified asphalt, 10-30 parts of an acrylic emulsion, 5-25 parts of neoprene latex, 1-2 parts of a defoaming agent, 1-3 parts of a thickening agent, 0.5-1 part of a sterilizing agent, 3-5 parts of a wetting agent, 1-3 parts of a dispersing agent, 10-30 parts of filler, 1-2 parts of a cosolvent and 5-15 parts of water. The thickening agent is prepared from water-based associated polyurethane, silica gel and polyhydroxy polyacrylamide according to a mass ratio of 1:(0.45-0.68):(0.6-0.9). The coating has high bonding strength, high tensile strength, high elongation rate and excellent low-temperature flexibility, and solves the problem of blistering during construction.

The invention provides a defoaming agent applied to thin-layer self-leveling mortar and a preparation method of the defoaming agent. The defoaming agent comprises the components: white carbon black, polyether, fatty alcohol and alkynol silicon polyether. The preparation method comprises the steps: (1) firstly, mixing and stirring fatty alcohol and part of white carbon black to form a dispersoid M1; (2) preparing alkynol silicon polyether, then adding the dispersoid M1 and polyether, and mixing to obtain a dispersoid M2; and (3) slowly spraying the dispersoid M2 onto A2 through a metering pumpunder certain temperature and rotating speed conditions, and mixing to obtain M3; and finally, screening the M3 to obtain the solid defoaming agent. The solid defoamer prepared by the method is specially used for solving the problems of surface cracking and hollowing of thin-layer self-leveling mortar, and compared with a traditional defoaming agent, the defoaming agent disclosed by the inventionhas the advantages of simple preparation method, good defoaming and foam inhibition performances, no influence on the stability of a self-leveling mortar system and capability of remarkably improvingthe surface performance of the self-leveling mortar.

The invention discloses an alkynolalkoxy compound modified siloxanesurfactant, a main chain of a molecular structure is a hydrogen-containing siloxane group losing a hydrogen atom, a side chain is analkynolalkoxy compound group through addition of alkynyl and one hydrogen, and the main chain and the side chain are connected through a Si-C chemical bond; a synthesis method comprises the followingsteps: an alkynolalkoxy compound and hydrogen-containing siloxane have a hydrosilylation reaction to obtain a product under a vacuum, solvent-free and catalyst conditions; and the molar ratio of the alkynolalkoxy compound to the hydrogen-containing siloxane is 1.15:1, the reaction temperature is 80 DEG C to 110 DEG C, the vacuum degree of the reaction is 200-750 mmHg, the reaction time is 3.5 h,and proper amount of reaction inhibitor is used. The surfactant has the advantages of low static and dynamic surface tension, low foam, high stability and the like; the preparation method is differentfrom the traditional preparation process, the use of a carboxylic acid or a salt of the carboxylic acid prevents the condition that the acetylene alcohol ether and / or hydroxyl of a copolymer form / forms acetal, the steps of processing the acetal and a solvent and dissolving out the solvent in the traditional process are omitted, the process is simplified, and the cost is lowered.

Inkjet ink having pigment colorant and two surfactants having low dynamic surface tension as follows: 0.1% to 0.8% by weight of the ink of 2,5,8,11-tetraethyl-6-dodecyn-5,8-diol ethoxylate (sold commercially as DYNOL™ 604) and 0.5 to 1.0% by weight of the ink of ethoxylated 2,4,7,9-tetramethyl-5-decyn-4,7-diol (sold commercially as SURFYNOL® 465). The inks are significantly improved in photo gloss and color gamut for the printed image on swellable and porous glossy photo media.

The invention discloses a waterproof carbon paper chromogenic layer coating. The coating comprises, by weight, 3-5 parts of light calcium carbonate, 2-4 parts of calcined kaolin, 1.5-1.8 parts of activated clay, 2-4 parts of corn modified starch, 0.6-0.8 parts of carboxymethylcellulose sodium, 3-5 parts of paraffin, 0.5-0.7 parts of an emulsifier, 5-8 parts of styrene-butadiene latex, 3-5 parts of polyamine polyepoxy resin, 0.5-0.8 parts of a composite dispersant, 1-2 parts of dimethicone, 3-5 parts of carboxylic styrene butadiene latex and 1.2-1.5 parts of titanium dioxide. Light calcium carbonate with fine and uniform particle size is easy to obtain, is safe and environmentally friendly, and has no pollution to human bodies or environment; the composite dispersant allows the prepared coating to have low viscosity, few bubbles and low dynamic surface tension and to reach below 40dyne; and activated clay is applied to make the coating have the advantages of fast chromogenic speed, high whiteness and uniform hue and to make a coat obtained through using the coating have smooth and flattened surface, high glossiness, and good and lasting waterproof effect.

The invention discloses a formula and a preparation method of a low-pressure gas field old well re-production liquid locking removal treatment agent. The low-pressure gas field old well re-productionliquid locking removal treatment agent comprises the following components by weight: 0.1-0.4% of a surface treatment agent, 0.05-0.3% of a nanometer material, 3-8% of a dispersant, 10-18% of a cleaning agent, 18-32% of a mutual solvent, 2-12% of a wetting reversal agent, and the balance industrial tap water. The treating agent can reduce liquid surface tension and oil-water interfacial tension ofa near wellbore area, reduce capillary resistance of a liquid, improve the contact angle of the liquid and rock and change rock surface wettability, and the effective period of the treated rock surface is prolonged through the dual adsorption effect of a nano material and a surfactant.

The invention discloses a shrink-proof glazing agent and its application. The shrink-proof glazing agent comprises 50-80mass% of an aqueous base material wetting agent, 3-5mass% of a polyether nonionic-surfactant, and the balance solvent. The shrink-proof glazing agent can be applied to ceramic inkjet printing. The shrink-proof glazing agent has the advantages of effective reduction of the dynamic surface tension of a glaze slip for the ceramic inkjet printing, no foaming, no bubble stabilizing, great improvement of the flow spreadability of the glaze slip and the wetting performance of the glaze slip to a base material and a pigment, effective solving of the occurrence of a glaze shrinkage phenomenon, and improvement of the superior finished product rate; and additionally, the above formula of the shrink-proof glazing agent has the advantages of production completing at normal temperature under normal pressure, simple technology, and convenience of the wide popularization and use.

The invention relates to the technical field of coatings, in particular to an organic-inorganic antibacterial antifouling interior wall coating and a preparation method thereof. The coating is prepared from an inorganic hybrid perfluorocarbon modified acrylate self-emulsifying emulsion, zeolite-loaded silver, silica gel-loaded silver, a functional filler, calcined kaolin, wollastonite powder, ash calcium powder, a Taieasy HD-20 dispersing agent, a Taieasy inorganic powder DS-195 dispersing agent, 2, 4, 7, 9-tetramethyl-5-decyne-4, 7-diol and deionized water. The inorganic hybrid perfluorocarbon modified acrylate self-emulsifying emulsion is used as a base material, and zeolite-loaded silver and silica gel-loaded silver are used as a composite inorganic mildew preventive, so that the coating has the characteristics of chemical corrosion resistance, flame retardance, fire prevention and environmental protection of an inorganic coating and the advantages of strong adhesive force and good scrubbing resistance of an organic coating; the coating is safe and non-toxic, excellent in mildew-proof performance and long in mildew-proof validity period.

The present invention pertains to a method for controlling the foaming of a waterborne composition or an industrial process by the incorporation of a foam controlling agent. The method comprises utilizing as the foam controlling agent a compound of the formula: HOR1R3C-CH2n-CR2R4OH. R1 and R2 are independently selected from the group of alkyl radicals having from 3 to 6 carbon atoms. R3 and R4 are independently alkyl radicals having from 1 to 2 carbon atoms. n is an integer from 1 to 6. The compound generates an initial (t=0 min.) or a final (t=10 min.) foamed density at least 30% greater than that of a 0.5 wt % aqueous solution of a 12 mole ethoxylate of a C12-C15 primary alcohol (C12-C15E12) when added at 0.2 wt % to the C12-C15E12 solution. The present invention also pertains to an aqueous composition comprising the foam controlling agent.

The invention discloses a water-based blackening low-foaming composite wetting agent for synthetic leather and an application of the composite wetting agent. The composite wetting agent is prepared from the following raw materials in parts by weight: 50-90 parts of polyether modified organosilicone, 5-30 parts of a decyne diol polyoxyethylene ether surfactant and 5-30 parts of a fatty alcohol polyoxyethylene ether phosphate surfactant. The composite wetting agent provided by the invention has a remarkable effect on the dispersion and wetting of fumed white carbon black, effectively improves the blackening degree of the leather, and enhances the texture.

The invention discloses a preparation method and technology of a copy paper color developing agent coating. The coating is prepared from, by mass, 10-100 parts of light calcium carbonate, 0-90 parts of kaolin, 5-20 parts of starch, 10-30 parts of latex, 10-60 parts of color developing agent, 0.2-5 parts of compound dispersing agent and 50-80 parts of water. According to the carbonless copy paper CF layer coating formula, the light calcium carbonate which is fine and uniform in particle size is adopted, and the compound dispersing agent is used in the formula, so that the prepared costing is low in viscosity, few in bubble, small in dynamic surface tension, high in color developing speed of applied coated paper, high in color developing density, high in whiteness, uniform in hue, good in coating quality, uniform in coating thickness and capable of meeting the high-speed curtain-type coating requirement, and a good coating effect is achieved.

The invention belongs to the field of chemical engineering, and in particular relates to an aerosol type insecticide water-based wall paint and a preparation method thereof. The aerosol type insecticide water-based wall paint comprises specific water-soluble resin as a main component, and aids such as a specific water-soluble organic solvent, an amino-acid ester copolymer solution, fumed silica, water-oil universal organic bentonite, a corrosion inhibitor, a polyether-modified polysiloxane polymer, deionized water and dimethyl ether, wherein the weight parts of the components are defined. By adopting the aerosol type insecticide water-based wall paint, the problem of compatibility of resin, toners, solvents and water can be effectively solved, adjustment of the viscosity, the drying time and the storage stability are facilitated, the paint film properties can be improved, the wettability and the permeability of a system can be improved, the static and dynamic surface tension can be greatly reduced, good intermiscibility and compatibility can be achieved, and meanwhile the paint has an insecticide effect and great market economic prospects and application values.

The invention belongs to the technical field of wetting agents and in particular relates to a method for producing a wetting agent. The method comprises the following steps: reacting methyl isobutyl ketone to obtain 2,6,8-trimethyl-6-hydroxy-4 nonanone, reacting the 2,6,8-trimethyl-6-hydroxy-4 nonanone to obtain 2,4,8-trimethyl-4-nonyl alcohol, and reacting the 2,4,8-trimethyl-4-nonyl alcohol to obtain a highly branched-chain nonyl alcohol derivative. The method has the beneficial effects that the wetting agent has extremely low static and dynamic surface tension, and fluidity and leveling property are promoted; the product is low-foaming and can be applied to a foam inhibition wetting agent in a waterborne system; the wetting agent is silicon-free, oil-free and non-toxic; the conversion rate of the process is high.

A surfactant composition comprises (A) polyether modified silicone as illustrated in the formula (I), (B1) water and (C1) water soluble organic solvents. In formula (I), R represents an alkyl group with 1-5 hydrogen atoms or carbon atoms. n is an integer ranging from 6-20. The composition has great dispersibility, wettability, permeability when cooperated in water and has water soluble performance. The composition which can cope with high-speed printing and high-speed coating is suitably used for the environmental issue.

A surfactant composition comprising (A) a polyether-modified silicone represented by the following average composition formula (I), (B1) water, and (C1) a water-soluble organic solvent. In formula (I), R is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and n is an integer of 6 to 20. The composition of the present invention has excellent dispersibility, wettability, and penetrability when blended in ink, has water solubility, can cope with high-speed printing and high-speed coating, and is also suitable for environmental problems.

The invention discloses a class of high-efficiency spreading agent that promotes the complete spreading of water droplets impacting on a super-hydrophobic surface. The spreading agent is composed of an ionic single-chain surfactant and a small molecule opposite to the charge of the surfactant. For anionic surfactants, the content of surfactants is 0.25%-2.00%, and the concentration of small molecules is 0.10%-1.00%; for cationic surfactants, the content of surfactants is 0.50%-2.00%, and the concentration of small molecules The concentration is 0.25%‑1.00%. The present invention utilizes the electrostatic interaction between charged small molecules and surfactants, thereby significantly reducing the critical aggregation concentration of surfactants, balancing surface tension and dynamic surface tension, and utilizing small molecules to induce abundant aggregates formed by surfactants, The hydrodynamic properties of the solution are changed to realize the complete spreading of water droplets when they hit the superhydrophobic surface, while suppressing the ejection and sputtering behavior of water droplets.

The invention relates to diamond wire cooling liquid as well as a preparation method and application thereof. The diamond wire cooling liquid is prepared from the following raw materials: water, macromolecular polyether, fatty alcohol-polyoxyethylene ether, alkynediol polyoxyethylene ether, organic acid, organic amine and a defoaming agent, and the diamond wire cooling liquid is micro-emulsified diamond wire cooling liquid. According to the invention, water and polyether are taken as main raw materials, the ratio of polyether to water is controlled and the surfactant is added cooperatively, so that in the using stage of the cooling liquid, the micro-emulsifier form enables an emulsion to have good lubricating and cooling effects, and in the recycling stage, the ratio of water to ether in the cooling liquid is changed, the high-molecular polyether is gradually gathered into a macromolecular state from an original micron-sized state, so that filtering removal is facilitated in a filter pressing stage, and the technical purpose of convenience in recycling is achieved on the premise of ensuring the cooling and lubricating effects.

A method for controlling the foaming of an aqueous organic compound-containing composition by the incorporation of a foam controlling amount of a compound of the formula: (1), where n and m are 2 or 3, x is 1-6, R=H or (2), and R' is a C4 to C22 alkyl group, where R' is a C4 to C22 alkyl group, the compound generating an initial foam height at least 30% less than a 0.1 wt% aqueous solution of dioctyl sodium sulfosuccinate (DOSS) when added at 0.1 wt% to the DOSS solution.

The invention provides an alkynol modified fluorine-containing polyester compound, a preparation method thereof, an anti-oil stain auxiliary agent and application of the anti-oil stain auxiliary agent. The structural formula of the alkynol modified fluorine-containing polyester compound is shown in the specifications. The preparation method of the alkynol modified fluorine-containing polyester compound comprises the following steps of: mixing raw materials including binary acid, fluorine-containing unit alcohol and a first solvent, and carrying out a first reaction to obtain a fluorine-containing polyester prepolymer; and mixing materials including the fluorine-containing prepolymer and alkynol, and carrying out a second reaction to obtain the alkynol modified fluorine-containing polyestercompound. The anti-oil stain auxiliary agent comprises the alkynol modified fluorine-containing polyester compound. The application of the anti-oil stain auxiliary agent is used for anti-oil stain treatment of textiles. The alkynol modified fluorine-containing polyester compound provided by the invention has excellent oil stain resistance.

When an image is printed with inks each containing a polymer emulsion and a film forming agent, the ejection of the inks is controlled so that the ink having a relatively low dynamic surface tension forms dots having a higher dot connectivity than the dots formed with the ink having a relatively high dynamic surface tension.

When an image is printed with inks each containing a polymer emulsion and a film forming agent, the ejection of the inks is controlled so that the ink having a relatively low dynamic surface tension forms dots having a higher dot connectivity than the dots formed with the ink having a relatively high dynamic surface tension.

The invention belongs to the technical field of wetting agents and in particular relates to a method for producing a wetting agent. The method comprises the following steps: reacting methyl isobutyl ketone to obtain 2,6,8-trimethyl-6-hydroxy-4 nonanone, reacting the 2,6,8-trimethyl-6-hydroxy-4 nonanone to obtain 2,4,8-trimethyl-4-nonyl alcohol, and reacting the 2,4,8-trimethyl-4-nonyl alcohol to obtain a highly branched-chain nonyl alcohol derivative. The method has the beneficial effects that the wetting agent has extremely low static and dynamic surface tension, and fluidity and leveling property are promoted; the product is low-foaming and can be applied to a foam inhibition wetting agent in a waterborne system; the wetting agent is silicon-free, oil-free and non-toxic; the conversion rate of the process is high.

This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tri-alkylamides of citric acid of the structurewhere R1, R2 and R3 are independently C1 to C18 alkyl groups.