44results about How to "Moderate volatilization speed" patented technology

The invention discloses a halogen free environment-friendly cleaning agent, consisting of the following materials by weight: 5-10 percent of C9-C12 isoparaffin, 1-8 percent of degreasing agent, 5-12 percent of binary alcohol ether, 1-5 percent of non-ionic surfactant and the balance alkyl alcohol. The invention has the beneficial effects that the halogen free environment-friendly cleaning agent has excellent cleaning capability of cleaning the residual soldering flux on circuit boards in the electronics industry, has rapid cleaning speed, moderate volatilization speed and non-toxicity, is halogen free, has non pungent smell and no harm to the human body, and the cleaned board can not become white and has no water mark. The invention has no pollution to the atmospheric environment, is a cleaning agent with high cleaning capability and high environment protection.

The invention relates to a detergent, in particular to a multifunctional environmentally friendly recyclable hydrocarbon detergent used in a novel vacuum recycling hydrocarbon cleaning machine. The detergent comprises the following components in parts by weight: 50-60 parts of C11H24, 30-40 parts of C12H26 and 5-10 parts of alcohol ether compound or C5-C7 isomeric alcohol. The hydrocarbon detergent has the advantages that residual greasy dirt, moisture, fingerprint, metal dust and other dirts on hardware and plastic parts can be rapidly and effectively cleaned, residues of solder paste, soldering flux and the like also can be cleaned, volatilization speed is moderate, no residue is produced, and the detergent can be recycled in an appropriate pressure relief device, has longer service life and economy compared with a hydrocarbon detergent used in the current market, is not toxic or harmful to human body and is a non-ODS (ozone-depleting substance) product, thus the hydrocarbon detergent is the optimal substitute of the traditional Freon, halohydrocarbon solvent and common hydrocarbon detergent.

The invention relates to a high-weather-resistance heat-reflection steel plate coil metal paint and a preparation method thereof, belonging to the technical field of steel plate coil paints. The high-weather-resistance heat-reflection steel plate coil metal paint comprises the following components in percentage by mass: 20-25% of PVDF (polyvinylidene fluoride) resin, 8-11% of acrylic resin, 2-5% of polymethyl methacrylate, 10-12% of aluminum powder, 45-50% of organic solvent, 0.3-0.6% of defoaming agent, 0.5-0.8% of silane coupling agent, 0.4-0.6% of UV absorbent, 0.4-0.7% of leveling aid, 3-6% of titanium dioxide and 0.5-0.9% of directional alignment agent, totaling 100%. The paint has excellent weather resistance and favorable physical properties.

The invention relates to an efficient carburetor cleaning agent and a preparation method thereof, and belongs to the field of aerosol fine chemicals for automobiles. The carburetor cleaning agent is composed of material liquid and a propellant, the material liquid is prepared from, by weight, 10-60 parts of methylbenzene, 10-60 parts of dichloromethane, 1-10 parts of ethyl alcohol, 1-10 parts of ethylene glycol ethyl ether, 1-10 parts of propylene glycol methyl ether, 0.01-3 parts of polyisobutylene phenol, 0.01-3 parts of polyisobutene succinimide, 0.01-10 parts of isopropylbenzene and 0.01-0.5 part of corrosion inhibitor, and the propellant is prepared from, by weight, 95-99 parts of dimethyl ether and 1-5 parts of compressed carbon dioxide. The carburetor cleaning agent is good and stable in cleaning effect, high in stain removing capacity, high in pressure and low in price.

The invention provides single-solvent high-speed printing plastic composite white ink and a preparation method thereof. The single-solvent high-speed printing plastic composite white ink comprises thefollowing components: 25-35% of modified polyurethane resin, 10-12% of ternary vinyl chloride-vinyl acetate resin, 10-35% of pigment, 10-30% of ester solvent, 0-1% of polyethylene wax, 0-1% of extinction powder, 0.2-0.5% of dispersing agent, 0.5-2% of adhesion promoter and 0.2-1.5% of other auxiliaries. According to the invention, a single ester solvent is used as an ink solvent, the dissolving power and volatilization speed are moderate, and the requirements of resin synthesis and printing equipment are met. The solvent in the printing ink is a single ester, so that the recovery and rectification of a recovery system are facilitated, the rectification purity can reach 99% or above, the recovered solvent can be normally used in printing and compounding processes, and the VOC emission canbe reduced to 5% or below before recovery. Meanwhile, by optimizing the formula and raw materials of the ink, the ink can be used for printing at the printing speed of 400 m / min or above.

The invention relates to a highly weather-resistant heat-reflecting steel coil metal coating and a preparation method thereof, belonging to the technical field of steel coil coatings. The highly weather-resistant heat-reflective steel coil metal coating includes the following components in terms of mass percentage: 20-25% of PVDF resin, 8-11% of acrylic resin, 2-5% of polymethyl methacrylate, and 10-10% of aluminum powder 12%, organic solvent 45-50%, defoamer 0.3-0.6%, silane coupling agent 0.5-0.8%, UV ultraviolet absorber 0.4-0.6%, leveling aid 0.4-0.7%, titanium dioxide 3-6%, Alignment agent 0.5-0.9%, the sum of each component is 100% in total. The coating has excellent weather resistance and good physical properties.

The invention provides an aerosol type precise instrument cleaning agent and a preparation method. The formula of the aerosol type precise instrument cleaning agent comprises the following componentsin parts by weight: 75.0-90.0 parts of an environment-friendly solvent, 0.01-1.0 part of a surfactant, 1.0-10.0 parts of a cosolvent and 5.0-10.0 parts of a propellant. According to the invention, thecleaning agent for the precise instrument has the following beneficial effects that 1, the cleaning agent is excellent in performance, safe and reliable, and can quickly remove dust, oil stains, moisture and the like of the precise instrument under the condition of no power failure; 2, the construction operation is flexible, simple and convenient, and the product safety is high; 3, the cleaning agent product is safe to use, free of flash point, non-combustible, zero in ODP and low in GWP value, and meets the environmental protection requirement; and 4, the volatilization speed is moderate, the ice crystal effect and the condensation phenomenon are avoided in the cleaning process, the surface insulation value of the equipment is not obviously reduced, and the equipment is not corroded anddamaged. The invention further discloses a preparation method of the precise instrument cleaning agent.

The invention relates to high-performance alcohol-soluble ink for PVC decorative paper, the high-performance alcohol-soluble ink omprises 6-10% by weight of pure water, 23-27% by weight of an alcohol mixed solvent, 2% by weight of a wetting agent, 2% by weight of a film-forming auxiliary agent, 41-45% by weight of acrylic emulsion, 1% by weight of water-based wax emulsion, 2% by weight of a thickening agent and 11-15% by weight of a pigment, and the total weight of the components is 100% by weight. The high-performance alcohol-soluble ink for the PVC decorative paper has good rheological property, fast fixation property, transfer property and good stability.

The invention discloses a strong cleaning compound used for equipment, which comprises the following raw materials by weight part: 1.2-3.4 parts of nonylphenol ethoxylate sodium silicate, 1.5-3.2 parts of polyether modified silicone, 2.3-5.7 parts of valine, 3.2-5.5 parts of cypermethrin, 6.5-8.7 parts of lemon oil, 6.3-8.4 parts of alcohol polyoxyethylene ether phosphate, 1.2-2.5 parts of adsorbent, and 3.5-5.5 parts of emulsifier. The strong cleaning compound has strong decontamination capability, can rapidly and thoroughly remove the impurities such as oil stain, dust and copper cuttings on the surface of the copper pipe; has moderate volatilization speed, can satisfy twining requirement, and can prevent waste due to fast volatilization of the cleaning compound; the cleaning compound can be thoroughly volatilized without residues, thoroughly volatilization can be ensured in time from cleaning step to annealing step, and damage of the external surface of the copper pipe and equipment due to annealing can be avoided.

The invention discloses a solvent type tempered glass ink diluent, which belongs to the field of fine chemical engineering, the product comprises the raw material components in percentage by weight: 30-50% of a high-boiling-point medium-low polar solvent, 20-40% of a medium-boiling-point medium-low polar solvent and 20-40% of terpilenol system varnish. The invention further discloses a preparationmethod of the solvent type toughened glass ink diluent. The diluent prepared by the method is relatively small in smell and has good compatibility with high-temperature sintered glass ink of variousflux systems; the solvent-type high-temperature sintered glass ink diluent has the advantages of simple preparation process, proper volatilization speed, good leveling performance, extremely high dilution efficiency, improvement of the drying adhesion of ink, defoaming and foam inhibition effects on the ink, and general applicability to the market.

The invention provides a sort of ink manufactured by raw materials with the following mass percent: 10-15 percent of butadiene acrylonitrile rubber, 9-15 percent of neoprene, 5-10 percent of acetone, 5-10 percent of toluene, 10-15 percent of glycol butyl et her, 9-15 percent of linseed oil, 5-11 percent of silicon oil, 1-5 percent of titanate coupling agent, 10-25 percent of pigment, 1-4 percent of polyethylene wax, and 0.5-3 percent of aluminum stearate; the ink of the invention is mainly applicable to printing of various plastic material carriers and is provided with high adhesive attraction and good adhesive effect. In the applying facet, superficial treatment is not needed to be carried out to the plastic material carrier when used; printing can be carried out directly, thus guaranteeing good printing effect.

The invention discloses a method for rapidly preparing high-purity sodium thiosulfate crystals. The method comprises the following steps: adding 6.3 g of sodium sulfite, 3.2 g of sulfur powder and 30mL of distilled water into a small beaker, covering the small beaker with a large beaker, carrying out a microwave heating reaction for 1 min, cooling the obtained reaction product to normal temperature, and carrying out suction filtration to recover the sulfur powder; adding 150 mL of acetone to the obtained filtrate, stirring the filtrate and the acetone for 5-6 min to make crystals appear, carrying out suction filtration, washing the obtained crystals with 10 mL of acetone to obtain sodium thiosulfate crystals, carrying out vacuum drying for 2 h, and weighing the dried sodium thiosulfate crystals; distilling the obtained filtrate to recover the acetone for reuse; and recovering the obtained remaining solution for next preparation. The method has the advantages of high substance utilization rate, less experiment devices, simplicity and convenience in operation, safety and simplicity in the experiment devices, short experiment time, high yield, high purity, good crystal precipitationspeed, omission of the evaporative concentration link in traditional experiments, reduction of requirements of the experiments for the devices, low experiment cost, less raw material waste, energy saving, environmental protection and no pollution.

The invention relates to a water-based paint for magnesite handicrafts and a preparation method thereof. The water-based paint is made of the following components and raw materials in parts by weight: 70-80 parts of water-based emulsion, 5-7 parts of film-forming aids, and 0.2 parts of defoaming agent ~0.4, preservative 0.1~0.3, thickener 1.0~1.5, surfactant 0.5~1.0, deionized water 12~20; the preparation method is: put the water-based emulsion into the dispersion tank, start stirring, at a speed of 300~500r / Add film-forming aids, defoamers, surfactants, deionized water, thickeners and preservatives in sequence, and keep stirring for 15-30 minutes; adjust the viscosity of the obtained solution with deionized water, and let the obtained solution flow through The time for ISO 6# to flow out of the cup is 30-50s; weigh and pack. Compared with the prior art, the water-based paint for magnesite handicrafts prepared by the present invention has good adhesion, the drying time of the water-based paint is short, the anti-blocking property and stain resistance are good, and the total volatile organic compound content of the water-based paint less, good for the environment.

The invention relates to an efficient carburetor cleaning agent and a preparation method thereof, and belongs to the field of aerosol fine chemicals for automobiles. The carburetor cleaning agent is composed of material liquid and a propellant, the material liquid is prepared from, by weight, 10-60 parts of methylbenzene, 10-60 parts of dichloromethane, 1-10 parts of ethyl alcohol, 1-10 parts of ethylene glycol ethyl ether, 1-10 parts of propylene glycol methyl ether, 0.01-3 parts of polyisobutylene phenol, 0.01-3 parts of polyisobutene succinimide, 0.01-10 parts of isopropylbenzene and 0.01-0.5 part of corrosion inhibitor, and the propellant is prepared from, by weight, 95-99 parts of dimethyl ether and 1-5 parts of compressed carbon dioxide. The carburetor cleaning agent is good and stable in cleaning effect, high in stain removing capacity, high in pressure and low in price.

The invention discloses an online cleaning agent for copper pipes. The online cleaning agent comprises components of raw materials in parts as follows: 20-25 parts of petroleum ether, 5-10 parts of turpentine, 10-12 parts of diethylene glycol, 50-60 parts of ethylene tar, 4-5 parts of paraffin, 2-3 parts of methyl pyrrolidone, 3-4 parts of cyclohexylamine, 5-6 parts of p-cresol, 3-5 parts of methyl isobutyl ketone, 5-6 parts of ethyl acetate, 2-5 parts of triphenyl phosphite, 3-5 parts of an aluminate coupling agent, 5-8 parts of superfine white carbon black and 8-10 parts of hydrogenated petroleum resin. The online cleaning agent for the copper pipes has the good cleaning capacity and the more appropriate volatilization speed, so that the good cleaning effect is realized, surfaces of the copper pipes are lubricated, scratches of the copper pipes are reduced, meanwhile, the online cleaning agent has good copper pipe corrosion inhibition capacity and oxidation resistance, and the service life of the cleaning agent is prolonged.

The invention relates to the technical field of coatings, and specifically discloses a polyurethane white paint and a preparation method and application thereof. The polyurethane white paint comprises the following formula components in weight percent: 40%-50% of alkyd resin; 30%-40% of titanium dioxide; 0.1%-0.5% of fluorescent whitening agent; 0.5%-1% of dispersant; Foaming agent 0.2%~0.5%; Propylene glycol methyl ether acetate 2%~3.5%; Butyl acetate 4%~15%; Matting powder 0%~6%; Anti-settling agent 2%~4%; Leveling agent 0.2% ~0.5%. The polyurethane white paint is mixed with rutile titanium dioxide and fluorescent whitening powder, which can be obviously whitened, and has good hiding power and weather resistance. More importantly, the preparation method controls the grinding of the titanium dioxide and the fluorescent whitening agent together to form a titanium dioxide slurry, so as to ensure the whitening effect of the coating.