166 results about "Dipropylene glycol monomethyl ether" patented technology

The invention relates to a condensed multi-enzyme medical cleaning agent. The cleaning agent contains surfactants, a detergent auxiliary agent, a solubilizing agent, an enzymic preparation, a foam inhibitor and a preservative, wherein the surfactants are a non-ion surfactant and an anion surfactant. The cleaning agent comprises the following formula components in percentage by weight: 5 to 10 percent of alkoxyl fatty alcohol, 3 to 5 percent of alkyl polylucoside, 5 to 10 percent of alkanol polyether, 5 to 10 percent of sodium xylene sulfonate, 0.5 to 1.5 percent of sodium sulfate, 0.5 to 1 percent of calcium chloride, 2 to 4 percent of disodium ethylene diaminetetraacetate, 5 to 10 percent of hydrogenated castor oil, 6 to 12 percent of dipropylene glycol monomethyl ether, 5 to 10 percent of glycerol, 2 to 6 percent of proteinase, 1 to 5 percent of amylase, 1 to 5 percent of lipase, 0.5 to 1 percent of cellulase, 0.1 to 0.5 percent of methylparaben and propyl hydroxybenzoate preservative, 0.1 percent of essence, 0.1 percent of pigment and the balance of deionized water. Through the cleaning agent, all the biological residues adhered in and out of a medical apparatus can be quickly and effectively decomposed and cleaned and aluminum oxide playing a role in protection on the metal surface layer is not damaged.

To provide a liquid crystal aligning agent which gives a coating film with good uniformity regardless of drying temperature after coating, and a liquid crystal alignment film having good coating film uniformity. A liquid crystal aligning agent comprising at least one polymer selected from a polyamic acid and a soluble polyimide, diethylene glycol diethyl ether, and dipropylene glycol monomethyl ether, and a liquid crystal alignment film obtained by printing this liquid crystal aligning agent by a flexographic printing method.

The invention discloses high-strength wear-resistant flame-retardant water-based paint. The paint is prepared from, by weight, 100 parts of hydroxy acrylic acid emulsion, 75 parts of epoxy modified resin, 50 parts of water-based polyurethane emulsion, 40 parts of silicon-acrylic emulsion, 10 parts of styrene-acrylic emulsion, 5 parts of titanium dioxide, 3.5 parts of quartz powder, 3.5 parts of polypropylene fibers, 5.5 parts of cellulose acetate butyrate, 3 parts of silica powder, 4.5 parts of zinc oxide, 3.5 parts of carbon nano-tubes, 3.5 parts of graphite, 5 parts of coarse whiting, 5 parts of talcum powder, 3.5 parts of wetting agents, 6 parts of thickener, 2.5 parts of dispersant, 3.5 parts of flame retardant, 2 parts of antifoaming agents, 3 parts of diethylene glycol monomethyl ether, 4 parts of dipropylene glycol monomethyl ether, 5 parts of propylene glycol phenyl ether and 20 parts of water. The invention further provides a preparation method of the high-strength wear-resistant flame-retardant water-based paint. The water-based paint is high in strength, good in wear resistance and great in flame retardancy.

The present invention, in a preferred embodiment, is a photoresist stripper formulation, comprising: Hydroxylamine ; Water; a solvent selected from the group consisting of dimethylsulfoxide; N-methylpyrrrolidine; dimethylacetamide; dipropylene glycol monomethyl ether; monoethanolamine and mixtures thereof; a base selected from the group consisting of choline hydroxide, monoethanolamine, tetramethylammonium hydroxide; aminoethylethanolamine and mixtures thereof; a metal corrosion inhibitor selected from the group consisting of catechol, gallic acid, lactic acid, benzotriazole and mixtures thereof; and a bath life extending agent selected from the group consisting of glycerine, propylene glycol and mixtures thereof. The present invention is also a method for using formulations as exemplified in the preferred embodiment.

The invention discloses a method for preparing a shrinkage reducing agent with water reducing performance and particularly relates to the technical field of methods for synthesizing concrete liquid admixtures. According to the method, the method for preparing the shrinkage reducing agent with water reducing performance is achieved on the basis of systematically studying free-radical polymerization principles and optimizing matched monomers. The shrinkage reducing agent is synthesized specifically through firstly, subjecting dipropylene glycol monomethyl ether and maleic anhydride to an esterification reaction in the presence of a catalyst, and then, subjecting an esterification reaction product to copolymerization with an unsaturated double-bond polyoxyethylene ether monomer, unsaturated carboxylic acid and trifluoroethyl methacrylate in an aqueous solution in a redox system. According to the method, concrete can have excellent fluidity, good early strength, relatively low shrinkage reducing percent and good freeze-thaw resistance.

The invention discloses a liquid photo-imageable electrostatic-spraying solder mask for a PCB. The liquid photo-imageable electrostatic-spraying solder mask consists of a main agent and a curing agent at the mass ratio of 3: 1, wherein the main agent consists of photosensitive resin, NA, melamine, a photoinitiator, a photosensitizer, an additive, talcum powder, barium sulfate, a dibasic ester solvent and tetramethylbenzene; the curing agent consists of novolac epoxy resin, light curing monomers, 1,3,5-triglycidyl isocyanurate, barium sulfate, dipropylene glycol monomethyl ether and a dibasic ester solvent. The liquid photo-imageable electrostatic-spraying solder mask is suitable for an automatic electrostatic spraying drying line, and has favorable resolution, excellent adhesion and extremely good solder coating resistance and chemical resistance, a liquid photo-imageable electrostatic-spraying solder mask film subjected to high-temperature hardening has high insulativity, high water resistance and gold and tin immersion resistance, and the liquid photo-imageable electrostatic-spraying solder mask is suitable for the conventional PCB solder mask operation procedure.

The invention provides an environmental-friendly luminous abrasion-resisting waterborne plastic paint and a preparation method thereof. The plastic paint comprises the following ingredients: thermoplastic acrylic resin, waterborne polyurethane emulsion, dipropylene glycol monomethyl ether, dipropylene glycol mono butyl ether, a titanate coupling agent, a stabilizer, a thickener, a leveling agent, a wetting dispersant reagent, a defoaming agent, an emulsifier, pigments and fillers and deionized water. According to the plastic paint, the thermoplastic acrylic resin is used as the main ingredient of the plastic paint and is matched with the waterborne polyurethane emulsion, so that hardness of a paint film of the plastic paint can be effectively improved; the design of the composition ingredients is reasonable; the deionized water is used as a solvent for carrying out dilution and replaces an organic solvent, so that the plastic paint is environmental-friendly; abrasion resistance is improved; the plastic paint has a strong adhesive force, good malleability, high-temperature resistance and a long service life; in the coating process, roller coating is adopted to replace spray coating, so that the production environment is effectively improved, and the plastic paint is beneficial to body health of a worker.

The invention discloses detergent for removing stubborn spots in textiles, which is prepared from the following raw materials in percentage by weight: 0.1 to 1.0 percent of ethylene diamine tetraacetic acid, 3 to 15 percent of alkyl polyglycoside, 5 to 25 percent of ethanol, 2 to 15 percent of dipropylene glycol monomethyl ether, 8 to 23 percent of 50 percent hydrogen peroxide, 0.1 to 1.0 percent of essence and 58 to 80 percent of water. The detergent has the advantages of reasonable component mixing, simple production process, environmentally-friendly raw material, good cleaning effect and effective cleaning of blood, tea, coffee, tomato sauce, lipstick, ball pen spots and other stubborn spots. Particularly, the detergent has a good cleaning effect on blood spots in the textiles. The detergent does not need to be flushed after spot cleaning and thus is convenient to use and can be carried along with.

The present invention is a chemical stripper formulation for removing photoresist and the residue of etching and ashing of electronic device substrates, comprising: deionized water, acetic acid, polyethylene glycol, dipropylene glycol monomethyl ether and ammonium fluoride. The present invention is also a process for removing photoresist and the residue of etching and ashing of electronic device substrates by contacting the substrate with a formulation, comprising: deionized water, acetic acid, polyethylene glycol, dipropylene glycol monomethyl ether and ammonium fluoride.

The invention discloses a degumming agent for removing back gum on a glass rear cover of a mobile phone, a degumming method for the glass rear cover of the mobile phone, and the glass rear cover of mobile phone, and relates to the technical field of degumming of back gum of glass. The degumming agent disclosed by the invention comprises the following components, by weight, of 65% to 80% of C1-C4 low-molecule alcohol, 10% to 20% of dipropylene glycol monomethyl ether, 3% to 5% of a phosphate fire retardant and 7% to 10% of C2-C4 low-carbon dihydric alcohol. The degumming agent disclosed by theinvention alleviates adverse problems that a traditional degumming agent is not targeted, has no degumming effect on the back gum or the degumming effect is not obvious so that the glass of the rear cover is easily blued, is not transparent, is scratched and the like. The degumming agent disclosed by the invention can make sure that the overall gum body is completely removed, no gum is retained, the base body of the glass is not damaged, and the adverse problems such as bluing, opacity and/or scratching can be prevented.

Provided is a liquid crystal aligning agent, from which a coating film having excellent thickness uniformity in a coating surface and excellent linearity and dimensional stability in a periphery of a coated part can be produced, and which is suitable particularly for the coating by an ink-jet method. A liquid crystal aligning agent characterized by comprising at least one polymer selected from the group consisting of polyimide and a polyimide precursor and a solvent comprising an alkyl cellosolve acetate compound represented by formula (1) and dipropylene glycol monomethyl ether. (In the formula, R1 represents an alkyl group having 1 to 8 carbon atoms.)

The invention relates to a glaze and a continuous antique beautiful application technique thereof. Talcum powder, silicon powder and silicon micropowder used as fillers, inorganic ferric oxide color paste, organic color paste and color concentrate used as pigments, propanediol, glycerol, propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monobutyl ether and propylene glycol methyl ether acetate used as solvents, vapor-phase silicon dioxide, bentonite and water-based thixotropic agent used as assistants, and water used as a raw material are dispersed and stirred to prepare the novel glaze. The antique beautiful application technique of the glaze material comprises the following steps: destroy treatment, material sanding, water-based coloring, primary infrared drying, glaze coloring, artificial treatment and secondary infrared drying, thereby performing antique beautiful application on the floor, furniture and decorative boards. The technique is simple to operate, and has the advantages of high application efficiency and natural antique effect.

The invention belongs to the field of coating, and particularly relates to water-based woodware lacquer coating capable of scavenging formaldehyde. The water-based woodware lacquer coating capable of scavenging formaldehyde is prepared from the following raw materials in parts by weight: 5-30 parts of distilled water A, 40-60 parts of polyacrylic emulsion A, 0.1-0.5 part of base material wetting agent, 0.5-2 parts of dispersing wetting agent, 0.1-1 part of deforming agent, 5-10 parts of polyacrylic emulsion B, 1-3 parts of distilled water B, 0.1-1 part of pH conditioning agent, 0.1-1 part of thickening agent, 10-30 parts of titanium dioxide slurry, 5-15 parts of heavy calcium powder, 1-10 parts of talcum powder, 1-5 parts of distilled water C, 1-5 parts of dipropylene glycol mono butyl ether, 1-5 parts of dipropylene glycol monomethyl ether, 0.5-3 parts of formaldehyde scavenging additive, 0.5-3 parts of propylene glycol and 0.1-1 part of bactericide. The water-based woodware lacquer coating capable of scavenging formaldehyde has high strength, good formaldehyde scavenging performance, good wear resistance and scratching resistance, an excellent antibacterial property, good water resistance and aging resistance, stain resistance and long service life.

The present invention provides a cleanser composition which is used for removing fixing agents and protecting films used in processes for polishing optical articles such as lenses and has high cleansing powers against the fixing agents and the protecting films without using halogen-based solvents, fluorine-based solvents and aromatic solvents against which affections are feared. This cleanser composition is characterized by comprising 75 to 25 wt. % of an alkylene glycol alkyl ether such as dipropylene glycol monomethyl ether or dipropylene glycol dimethyl ether and 25 to 75 wt. % of a 10 to 15C cycloparaffin such as cyclodecane, cycloundecane or cyclododecane.

The invention discloses a fireproof flame-retardant type coating for a glass door. The fireproof flame-retardant type coating is characterized by being prepared from the raw materials in parts by weight: 34-38 parts of water-based amino resin FY737, 8-12 parts of modified styrene-acrylic emulsion, 20-24 parts of polytetrafluoroethylene emulsion, 0.2-0.4 part of organic silicon defoamer, 1-3 parts of di(propylene glycol) methyl ether acetate, 0.3-0.6 part of alkylol amine dipyrophosphate hydroxyacetate titanate, 0.3-0.5 part of leveling agent BYK-56, 0.3-0.7 part of cocoanut fatty acid diethanolamide, 0.5-1.0 part of D-trehalose, 0.3-0.6 part of tetraethylene glycol monolaurate, 0.4-0.7 part of mica powder, 0.6-1.2 parts of cyanuric acid spiro phosphate, 0.2-0.5 part of carboxymethyl cellulose, 10-13 parts of silicon oxide sol, 0.4-0.6 part of expanded vermiculite powder, 1-3 parts of pigments, and 10-15 parts of deionized water. The added modified styrene-acrylic emulsion has bactericide, dustproof and anti-static functions, and added cyanuric acid spiro phosphate has expanded and flame-retardant effects, so that the expansion of fire disasters can be prevented, and the loss of life and property can be reduced; and the film formed by the water-based coating is flat and smooth, and proper in hardness, and the fireproof flame-retardant type coating also has excellent weather resistance, water resistance, acid resistance and the like, and is safe and environment-friendly, and harmless to an environment and human.

The invention discloses the novel application of waterborne polyurethane in preparation of a cooling coating. The waterborne polyurethane is used as an adhesive and cooling resin in preparation of thecooling coating. The invention also discloses the waterborne polyurethane cooling coating and a preparation method thereof. The waterborne polyurethane cooling coating is prepared from the followingcomponents in parts by weight: 90 to 95 parts of a waterborne polyurethane emulsion, 0.1 to 0.5 part of ammonia water, 0 to 1 part of color paste, 30 to 50 parts of a filler, 0.5 to 0.8 part of a defoaming agent, 0.5 to 1.0 part of a dispersing agent, 0.2 to 0.6 part of a thickening agent, 1.0 to 2.0 parts of a leveling agent and 6 to 15 parts of dipropylene glycol monomethyl ether, wherein the filler is a non-heat-reflective filler. According to the invention, the new function of waterborne polyurethane is discovered; i.e., the waterborne polyurethane can be used as the cooling resin for preparation of the cooling coating. The waterborne polyurethane cooling coating provided by the invention has a cooling value of 7 DEG C or above without addition of a heat-reflective filler; the coolingvalue of the coating is not affected when anti-skid granules are added; and the waterborne polyurethane cooling coating can be applied to the fields of buildings, wood, leather, roads and the like.

The invention discloses an environment-friendly glass deinking agent. The glass deinking agent contains octyl sodium sulfonate, fatty acid methyl ester ethoxylate sulfonate, alkyl glucoside, diethylene glycol monomethyl ether, dipropylene glycol monomethyl ether, sodium metasilicate, alkali and the balance of water. The environment-friendly glass deinking agent disclosed by the invention has the advantages that environment-friendly low-volatility raw materials are used, so that the problem of strong irritant smell of a glass deinking agent on the market is solved, and health of an operator is protected; the temperature when the product is used can be lowered to 60-80 DEG C, so that volatility is further lowered, energy consumption is reduced, and raw material consumption is also reduced; glass deinking detergency of the product is improved and is higher than that of a mainstream product on the market; and the product is stable, not layered, invariant in color, environmentally friendly and free of phosphorus.

The invention relates to the technical field of cleaning agents, in particular to a novel steel mesh cleaning agent and a preparation method thereof. According to the raw material formula, the novel steel mesh cleaning agent comprises components including, by weight, 30-50 parts of dipropylene glycol mono butyl ether, 40-50 parts of dipropylene glycol methyl ether, 2-5 parts of tetrahydrofurfurylalcohol, 1-2 parts of a corrosion inhibitor, 1-2 part of an emulsifier, 1-2 parts of a chelating agent and 2-4 parts of an activator. The novel steel mesh cleaning agent is a green environmental protection cleaning agent, does not contain a fluorocarbon solvent and a halogenated hydrocarbon solvent, cannot hurt the health of the human body, is convenient to use, environment-friendly, safe, non-toxic and economical, and is simple in using method. After a stock solution is diluted to five times of the mass, ultrasonic cleaning or spraying cleaning can be carried out. Dirt on the surface of a steel mesh can be significantly removed, and the steel mesh cleaned by the cleaning agent can be directly reused after being rinsed with water and dried with air.

The invention discloses an essential oil air purifier which comprises the following components in parts by weight: 2-2.5 parts of dipropylene glycol monomethyl ether, 2-2.5 parts of dipropylene glycol, 0.1-1 part of ethyl alcohol and 4-6 parts of plant essential oil. The preparation method comprises the following steps: a) distilling and purifying to obtain plant essential oil; b) weighing the plant essential oil and ethyl alcohol in parts by weight, adding the plant essential oil and ethyl alcohol into a mixing tank, stirring the mixing tank on a stirrer for 2-3 minutes, adding dipropylene glycol monomethyl ether and dipropylene glycol while stirring, further stirring for 2-3 minutes, taking down the mixing tank, placing in a shady and cool place, and standing, thereby obtaining the purifier. According to the invention, the natural plant essential oil serves as a raw material, so that odor can be effectively removed; the added dipropylene glycol monomethyl ether is mixed with the dipropylene glycol and ethyl alcohol, and the original essential oil is diluted, so that the aroma is soft and pleasant. During use, pipeline inner wall adhesion is reduced, and the loss is reduced. Moreover, the purifier disclosed by the invention is good in odor removal effect, excellent in water solubility, low in adhesive capacity, wide in applicability and high in diffusivity and volatility.

The invention discloses a water-soluble metal cleaner, which comprises the following raw materials in parts by weight: 5-10 parts of monohydric alcohol, 1-1.5 parts of sodium carbonate, 10-30 parts of dipropylene glycol monomethyl ether, 30-50 parts of ethylene glycol monobutyl ether, 0.5-5 parts of morpholine and 5-20 parts of water, wherein, ethanol is preferred as the monohydric alcohol, and the pH value of 7-11 is preferred in the invention. The invention improves the traditional formulation to use alkanolamine, monohydric alcohol or fatty alcohol substances as the raw materials, and does not contain compounds harmful the environment. The invention has the advantages of simple manufacturing process, short time for cleaning the metal surface, good cleaning effect and favorable rust resistance.

The invention belongs to the technical field of coatings, and particularly relates to a water-based paint and a preparation method thereof. The water-based paint provided by the invention is preparedfrom a main agent and a water dispersible hexamethylene diisocyanate homopolymer. The main agent is prepared from the following components in parts by weight: 50-60 parts of water-based hydroxyl acrylic emulsion; 20-30 parts of a waterborne polyurethane dispersion; 0-0.5 part of a dispersing agent; 0.5-1 parts of a defoaming agent; 0.1-0.5 parts of a leveling agent; 0.1-0.5 parts of a bactericide;0.1-0.5 parts of a pH regulator; 2-5 parts of alcohol ether; 0.4-0.7 parts of a wetting agent; 0.5-1 parts of a thickening agent; 0-20 parts of water, wherein the dispersing agent is selected from ahigh-molecular-weight block copolymer containing pigment groups; the defoaming agent is selected from a foam breaking polymer and/or polysiloxane; the leveling agent is selected from polyether modified polydimethylsiloxane; the wetting agent is selected from an organic silicon surfactant; the thickening agent is selected from a polyurethane thickening agent; and the alcohol ether is a mixture of dipropylene glycol monomethyl ether and dipropylene glycol propyl ether. The water-based finish paint solves the problems of poor transparency and low fullness of the existing water-based paint, and issuitable for high-grade furniture.

The invention relates to the technical field of court paint, in particular to an environment-friendly waterborne court paint and a preparing method thereof. The environment-friendly waterborne court paint is prepared from hydroxyethyl cellulose, filler, dipropylene glycol monomethyl ether, acrylic emulsion, a thickening agent, water, an organosilicone auxiliary, a rheological agent, a multifunctional auxiliary, a wetting agent, a dispersing agent, a sterilizing agent, a lubricating agent and a defoaming agent by weight. All the components are added and mixed step by step, and hydroxyethyl cellulose and the rheological agent are added into water and stirred evenly; the multifunctional auxiliary is added to dissolve hydroxyethyl cellulose; then, the dispersing agent, the wetting agent, the lubricating agent and part of the defoaming agent are added, and the mixture continues to be stirred evenly; the filler is added, and the mixture is stirred and dispersed evenly; the acrylic emulsion is added and stirred evenly, and then dipropylene glycol monomethyl ether and the rest of the defoming agent are added and stirred evenly; then the organosilicone auxiliary and the sterilizing agent are added, finally the viscosity is regulated through the thickening agent, and the environment-friendly waterborne court paint can be obtained. The environment-friendly waterborne court paint is low in VOC content, good in water resistance and color retention and high in abrasion resistance.

The invention relates to a 2-step stripping process comprising the following stripping steps: a) treating the substrate with an aqueous solution containing a base, b) thereafter further treating the substrate with a solution containing a base and at least one stripping enhancer selected from the group consisting of hexylene glycol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monoisopropyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monopropyl ether, triethylene glycol monobutyl ether, tripropylene glycol monomethyl ether, tripropylene glycol monoethyl ether, tripropylene glycol monopropyl ether, tripropylene glycol monobutyl ether, diethylenglycolmonoisopropyl ether and propylene glycol monomethyl ether acetate.