11results about How to "Adjust viscosity" patented technology

The application belongs to the technical field of etching liquid, and particularly relates to a photoresist stripping liquid for OLED, a preparation method and application thereof. The photoresist stripping liquid comprises, with the total mass of the formula being 100%, 1-10% of organic alcohol amine, 2-5% of amidino compound, 0.1-3% of polyol, 0.01-0.2% of betaine type corrosion inhibitor, and the rest is organic solvent. The photoresist stripping liquid for OLED has excellent stripping performance and good protection effect on the Al layer. The photoresist stripping liquid is particularly suitable for stripping requirements of OLED devices containing Al, can safely strip the photoresist which is cross-linked and carbonized after solidification, and at the same time protects the Al process in the OLED device from being corroded, and has good application prospect.

The utility model belongs to the technical field of concrete mixing, and particularly discloses a movable cement concrete mixing device. The movable cement concrete mixing device comprises a mixing tank, supporting legs are fixed at the bottom of the stirring tank, and moving wheels are mounted at the bottoms of the supporting legs; an outlet pipe is mounted at the bottom of the stirring tank, and a switch valve is mounted on the outer wall of the outlet pipe; a mounting seat is detachably mounted at the top of the stirring tank, a motor is mounted at the top of the mounting seat, a driving rod penetrating through the mounting seat is fixed to the output end of the motor, a stirring rod is connected to the bottom of the driving rod, and stirring strips are mounted on the outer wall of the stirring rod. According to the device, the supporting legs are fixed at the bottom of the stirring tank, and the moving wheels are mounted at the bottoms of the supporting legs, so that the stirring tank has the capability of moving, the application range of the stirring tank is expanded, and the working efficiency of the stirring tank is improved.

The invention discloses a transfer device and a printing process method, the printing process method comprises first spraying UV varnish on the surface of a transfer roller and curing it to form a peelable layer, then spraying UV ink on the peelable layer and curing it to form an image layer, then spraying UV light-curing glue on the image layer and curing it for the first time, then transferring it to a printing substrate by pressing a printing roller and a transfer roller, and finally completely curing the UV light-curing glue by a mercury lamp. The transfer process method of the invention does not need to increase the viscosity of the transfer ink by heating the transfer roller, the UV light-curing glue is first cured by a third UV curing lamp, the highly viscous UV light-curing glue can be directly adhered to the printing substrate during transfer, and the short-wave initiator in the UV light-curing glue can be photocured by a fourth UV curing lamp, so that the highly viscous UV light-curing glue is completely cured, effectively improving the reliability of the transfer, and the printed pattern and the printing substrate are seamlessly printed.

The application relates to the technical field of rare metals, and discloses a method for preparing metal hafnium by reduction, which comprises the following steps: S1, mixing hafnium oxide, calcium and calcium chloride, and carrying out a thermal reduction reaction under a protective gas to obtain a solid mixture; S2, carrying out acid pickling, water washing and drying on the solid mixture to obtain metal hafnium powder; S3, melting the metal hafnium powder under the protective gas, and cold-pressing and forming the metal hafnium powder to obtain the metal hafnium; the calcium chloride is composed of first calcium chloride and second calcium chloride, and the first calcium chloride and the second calcium chloride are in different forms. Through the technical scheme, the problem of high oxygen content in the related art when metal hafnium is prepared by reduction is solved.

This invention relates to a degumming composition, its preparation method, and the degumming method thereof. The degumming composition comprises the following components in weight percentages: 84%–93.5% degumming solvent, 3%–5% solvent oil, 0.5%–3% solid wax, 1%–3% organobentonite, and 2%–5% polar activator; wherein the degumming solvent includes one or more of dichloromethane, N-methylpyrrolidone, and ethylene glycol monobutyl ether. This invention combines the degumming solvent, solid wax, solvent oil, organobentonite, and polar activator in a specific ratio, achieving synergistic effects among the components to obtain a degumming composition with slow evaporation and short degumming time.

The utility model discloses a viscosity-adjustable cream stirring device which comprises a cream stirring barrel movably installed on the inner side of a supporting frame, a stirring motor is arranged at the top of the cream stirring barrel, an output shaft of the stirring motor is fixedly connected with a stirring shaft, and the bottom end of the stirring shaft rotationally penetrates into the cream stirring barrel and is fixedly connected with a scattering head. Stirring paddles are fixedly connected to two sides of the stirring shaft; an adjusting bin is fixedly mounted on the left side of the top of the cream stirring barrel, and corn starch is stored in the adjusting bin. According to the utility model, not only is the viscosity of cream convenient to adjust, but also the cream material can be fully and uniformly stirred and processed by utilizing the matching of up-down vibration and rotary stirring of the cream material, particularly, the dispersion effect on the powder material is better, the phenomena of starch caking and insufficient colloid dissolution in the prior art are avoided, and the production efficiency is improved. Therefore, the cream viscosity distribution is more uniform, and the overall stirring and using effects are better.

The present invention belongs to the technical field of biomedical dressings, and discloses a dressing containing polysaccharides, and a preparation method and application thereof. The polysaccharide-containing dressing comprises ganoderma lucidum β-glucan, ganoderma lucidum chitosan, glycerol and carbomer. The present invention uses ganoderma lucidum β-glucan and ganoderma lucidum chitosan, which are key active ingredients of ganoderma lucidum, as main raw materials, and glycerol and carbomer as auxiliary raw materials to prepare a dressing containing polysaccharides, which can be applied to the covering and care of non-chronic wounds, such as superficial wounds, first-degree or shallow second-degree burn wounds, surgical suture wounds, laser / photon / acid peeling / microneedle treatment / micro-plastic surgery wounds, to provide a microenvironment for wound healing, and promote the repair and healing of wounds. The dressing has simple ingredients and high safety, and can be widely used in the preparation of scald treatment drugs or non-chronic wound care products.

The invention provides a composite film-forming agent composition imitating the form of a plant leaf membrane and application of the composite film-forming agent composition. The composite film-forming agent composition comprises glyceryl rosinate, dextrin palmitate, trimethylsiloxy silicate and triacontyl PVP (Polyvinyl Pyrrolidone). Glycerin abietate, dextrin palmitate, trimethylsiloxy silicate and triacontyl PVP in the film-forming agent composition disclosed by the invention have a synergistic effect and can be matched with other cosmetic components to form a uniform and crack-free film on the skin surface, so that the enrichment of other components on the skin surface is reduced to the maximum extent; the water resistance, sebum resistance, friction resistance and pollution resistance of cosmetics can be obviously improved, and meanwhile, the cosmetics have good air permeability and skin feeling.

This utility model discloses a grouting device for water conservancy engineering construction, belonging to the field of grouting technology for water conservancy engineering. The device includes a grouting truck and casters. Multiple casters are fixedly connected to the bottom of the grouting truck, and a grouting tank is fixedly connected to the upper surface of the truck. A precision grouting component is installed on the outer surface of the grouting tank, and a mixing and defoaming component is installed inside the tank. It can monitor and precisely control the flow rate of the grouting fluid in real time through a flow meter on the surface of the grouting pipe, ensuring that the grout is injected into the stratum at an appropriate rate, avoiding problems such as stratum rupture or uneven distribution caused by excessively fast or slow flow rates. Simultaneously, a pressure detector can detect pressure changes during the grouting process in real time, promptly identifying abnormalities. The safety and effectiveness of the grouting operation can be ensured by adjusting the speed or pressure of the water pump, thereby reducing sudden impacts on the stratum and lowering the risk of stratum rupture.

The invention provides a process method for purifying and refining brass and removing impurity elements of iron, lead and aluminum, and belongs to the technical field of brass purification and refining and continuous casting processing. According to the process method, a horizontal continuous casting furnace is used as core production equipment, sodium borate and calcium oxide are compounded to serve as a covering agent, the impurity elements of iron, lead, aluminum and phosphorus in the molten brass are efficiently removed through the integrated process of smelting, refining and impurity removal and continuous casting, non-magnetic brass and lead-free brass can be flexibly produced, and the production efficiency is improved. And a key process support is provided for subsequent quality upgrading of brass products. According to the method, technological parameters are easy to control, a covering agent is easy to purchase, cost is low, continuous casting forming defects are few, the rejection rate of finished product machining is reduced to 2% or below, production efficiency is improved by 15%-20%, and the method can be widely applied to large-scale production of brass products. The problems that when brass is produced through an existing horizontal continuous casting furnace, impurities such as iron, lead and aluminum are difficult to remove, and therefore finished brass cannot meet the non-magnetic and lead-free specification requirements are well solved.

The invention relates to the technical field of ore grinding, and particularly discloses a composite grinding aid for quartz ore grinding and a preparation method of the composite grinding aid. The phosphonic acid group in the molecular structure has specific extremely strong affinity to hard acid type metal impurities such as iron, titanium and aluminum exposed in quartz crystal microcracks; the methylallyl alcohol polyoxyethylene ether is used as a steric hindrance monomer, so that the quartz fine particles are further prevented from getting close to one another and being agglomerated again, and the flowability of ore pulp is remarkably improved; the acryloyl morpholine is used as a polarity adjusting monomer, a rigid morpholine ring structure in molecules of the acryloyl morpholine greatly enhances the stability of a polymer main chain, layering and precipitation phenomena of the grinding aid in ore pulp are avoided, meanwhile, the viscosity of a system can be adjusted, abnormal fluidity of the ore pulp caused by an overlong polyether chain is avoided, and the stability of the grinding aid effect is ensured.