36results about How to "Increase wettability" patented technology

The invention discloses a water-based plastic coating. The water-based plastic coating comprises the following components: a water-based resin emulsion, deionized water, a filler and additives. The invention further designs a preparation method of the water-based plastic coating, and the preparation method comprises the following steps: adding the filler into the water-based resin emulsion, adding an appropriate amount of deionized water, stirring, pouring into a sand mill for grinding, putting into a dispersing cylinder when the fineness is below 80mu m, adding the additives, sealing, stirring and detecting the viscosity for not less than 95s to prepare the water-based plastic coating. The water-based plastic coating has excellent water absorption, water retention, water suction and drainage and a good humidity adjusting effect, can be used for regulating the indoor relative humidity, and has the advantages of relatively high scrubbing resistance, water resistance and solvent resistance, corrosion resistance, alkali resistance, light resistance, weather resistance, good film-forming property, excellent color retention, wear resistance, corrosion resistance, controllable hardness, high performance-price ratio and the like, and the preparation method is simple, easy to operate without pollution, good in construction and safe to use.

The invention provides a preparation method of a superfine crystal inoculating agent for aluminum alloy grain refinement and relates to aluminum-based alloy and is a method for preparing nano-crystalline Al-Ti-B-Re thin-strip intermediate alloy by a rapid solidification technology of metal, wherein the method comprises steps as follows: proportioning 5-5.4% of Ti, 1-1.04% of B, 1-1.2% of Ce, 0.05-0.2% of La and the balance of Al according to determined ingredients; weighing raw materials Al-5Ti-1B intermediate alloy and lanthanum cerium alloy to proportion the materials; melting in vacuum to obtain blocky Al-5Ti-1B-1Re intermediate alloy; carrying out rapid solidification to obtain the superfine crystal inoculating agent for the aluminum alloy grain refinement, wherein the superfine crystal inoculating agent is the nano-crystalline Al-5Ti-1B-1Re intermediate alloy. With the adoption of the method provided by the invention, adverse impact of needlelike TiAl3 on the matrix structure is eliminated, nucleating particles TiAl3 with thinner size and more dispersed distribution are obtained, and superfine nucleating particles are realized.

The invention discloses a waterborne anticorrosive coating. The waterborne anticorrosive coating comprises the following components: waterborne epoxy resin emulsion, a pigment filler, a film forming assistant, a leveling agent, a defoaming agent, a thickening agent, a dispersing agent, water and a curing agent, wherein the pigment filler is mixture of iron oxide red and zinc phosphate which are mixed according to a mass ratio of 1:1; the film forming assistant is glycol; the leveling agent is polyacrylic acid or hydroxymethyl cellulose; the defoaming agent is tributyl phosphate; the thickening agent is hydroxymethyl cellulose; the dispersing agent is sodium hexametaphosphate; the curing agent is one of diethylenetriamine, m-phenylenediamine, modified phenolic amine and diamino diphenyl sulfone (DDS). The invention further discloses a preparation method of the waterborne anticorrosive coating, the coating has good anticorrosive performance, the preparation method is simple and feasible and the cost is low.

Surgical grafts for the repair of bone defects, more particularly, surgical grafts that include demineralized bone fibers, are disclosed. Methods for making such grafts and for increasing their wettability and ensuring uniform density are also disclosed.

The invention provide a method for applying a coating to an ophthalmic lens or a mold for making the ophthalmic lens or a medical device other than ophthalmic lens. The method comprises spraying at least one layer of a coating liquid onto an ophthalmic lens using a spraying process selected from the group consisting of an air-assisted atomization and dispensing process, an ultrasonic-assisted atomization and dispensing process, a piezoelectric assisted atomization and dispensing process, an electro-mechanical jet printing process, a piezo-electric jet printing process, a piezo-electric with hydrostatic pressure jet printing process, and a thermal jet printing process. The coating can comprise a property / functionality pattern or a color image or combination of both.

Developer solution for a positive lithoprinting plate consists of developer proper, alkaline compounds, protective agent, wetting agent and solvent; the developer solution is characterized in that the developer solution simultaneously contains nonionic surfactant and anion surfactant with total content of 0.5-5(1000 semicolon); and the proportion of the nonionic surfactant and the anion surfactant is 15:85-25:75. The developer solution can effectively reduce the surface tension of the developer solution and improves the humidity of the plate.

The invention discloses a preparation method of a nitrogen-sulfur-phosphorus doped porous graphene oxide material and application of a nitrogen-sulfur-phosphorus doped porous graphene oxide material.According to the invention, a porous graphene oxide material doped with three elements is prepared by taking graphene oxide as a raw material, adding hydrogen peroxide in a hydrothermal condition forpore-forming and adding a dopant containing three elements of nitrogen,sulfur and phosphorus, and is applied to the electrode material of a supercapacitor. The three-dimensional porous structure is etched on the surface of graphene by using hydrogen peroxide with the strong oxidizing property, so that the specific surface area of a graphene material is further improved, the obtained porous graphene oxide is subjected to ultrasonic dispersion and then is fully mixed with a doping agent containing three elements of nitrogen, phosphorus and sulfur, nitrogen, sulfur and phosphorus heteroatoms areintroduced into the porous graphene oxide to improve the electrochemical performance of the graphene, and the porous graphene oxide is loaded on a conductive current collector to prepare a supercapacitor electrode, so that the capacitor obtains the better capacitance performance and has the good circulation stability.

The invention discloses a method for prolonging the service life of an oxygen lance nozzle by reducing slag adhering to the oxygen lance nozzle. The method includes the steps that organic dirt on the surface of the oxygen lance nozzle is removed in a vapor degreasing and purging manner, and then a clean oxygen lance nozzle is obtained; the clean oxygen lance nozzle is fixed to a fixing frame to be preheated, wherein the preheating temperature is 573 K-723 K; spraying is performed on the surface of the oxygen lance nozzle through a plasma gun, wherein the maximum power of the plasma gun is 80 kW, the maximum current of the plasma gun is 1000 A, and the no-load voltage of the plasma gun is 80 V; and boron nitride particles are fed into a powder feeding port of the plasma gun through argon and sprayed to the surface of the oxygen lance nozzle, and then an oxygen lance nozzle with a boron nitride coating is obtained. Boron nitride and the copper oxygen lance nozzle are combined to form the boron nitride coating which is resistant to high temperature and corrosion and does not react with steel slag, so that the amount of slag adhering to the oxygen lance nozzle in the converter steelmaking process is reduced, and the service life of the oxygen lance nozzle is prolonged.

A plant protecting agent for promoting the growth of plant tuber is prepared from the humate powder, diethylaminoethanol caproate, paclobutrazole and naphthylacetic acid.

The invention discloses a biaxially oriented polypropylene heat-sealing film and a preparation process thereof. The biaxially oriented polypropylene heat-sealing film comprises an outer surface layer,a core layer and an inner surface layer, and is prepared by co-extruding the outer surface layer, the core layer and the inner surface layer from top to bottom. The core layer is prepared from the following components in parts by weight: 87 to 92 parts of homo-polypropylene, 5 to 10 parts of hydrogenated petroleum resin, 0.8 to 1.2 parts of nano glass powder, 0.4 to 0.8 part of calcium carbonate,0.25 to 2.5 parts of nucleating agent, 0.2 to 0.5 part of stabilizer and 0.01 to 0.2 part of antioxidant. By arranging the biaxially oriented film layer structure, the components and the preparationprocess of the biaxially oriented film layer structure, the performance of a prepared tobacco film is improved, the strength, the mechanical performance, the glossiness and the humidity of the prepared tobacco film are improved, the wear resistance and the moisture barrier capacity of the prepared tobacco film are improved, moisture condensation and permeation can be effectively prevented, the existing tobacco quality and tobacco film appearance are kept, and the film is suitable for wide popularization and use.

The invention provides a rotary filling bed based on a hydrophilic-hydrophobic combined filler, and a system. According to the present invention, a hydrophobic filler and a hydrophilic filler are combined into a combined filler, and when a liquid is cut by the filler, the hydrophobic filler can fully disperse the liquid to uniformly disperse the liquid in the filler region, and the wettability of the hydrophilic filler can make the liquid spread sufficiently so as to increase the wetting fraction of the filler, such that different mixing effects can be achieved through the reasonable combination; the numbers of the hydrophilic filler layers and the hydrophobic filler layers in the combined filler are limited, such that the liquid droplet coalescence phenomenon generated by the liquid in the single hydrophobic filler region and the liquid turbulence reduction phenomenon generated by the liquid in the single hydrophilic filler region can be avoided; and the negative effect caused by the hydrophilicity can be alleviated or offset by the hydrophobicity while the negative effect caused by the hydrophobicity can be alleviated or offset by the hydrophilicity, such that the mass transfer and mixing performance of the hydrophilic-hydrophobic combined filler can be further improved by applying the hydrophilic-hydrophobic combined filler in the rotary filling bed.

The invention discloses fertilizer for tea leaf planting. The fertilizer is composed of chicken manure, wine residue, mushroom residue, photosynthetic bacteria, lactobacillus, cellulase, lime powder, water and aloe. The fertilizer has high fertility and water storage capacity, can improve tea leaf quality and guarantee stability of the tea leaf quality and is especially suitable for organic tea.

The invention discloses a preparation method for a fertilizer for tea planting. The method comprises the following steps: (1) mixing chicken manure, wine residue, photosynthetic bacteria and lactic acid bacteria and then stacking for 1-2 days under the environment at 20-40 DEG C, mixing with crushed aloe pulp and stacking for 0.5-1 day; (2) mixing bacterial residue, water and cellulase and then standing for 3-6h at 20-40 DEG C; and (3) uniformly mixing the mixtures acquired in the steps (1) and (2) with lime powder, thereby acquiring the fertilizer for tea planting. The method is simple in process. The prepared fertilizer has excellent fertility and fertility release, is capable of increasing the tea quality and guaranteeing the tea quality stability and is especially suitable for organic tea.

The invention discloses a preparation method of special fertilizer capable of improving the tea quality for tea trees. The preparation method comprises the following steps: firstly, uniformly mixing soybean meal, wormcast, zinc borate, zeolite powder and water, and then raising the temperature and keeping the temperature to obtain a first material; secondly, adding water, Tween 80 and dispropriated rosin into oxidized polyethlene wax, then raising the temperature and stirring; reducing the temperature, and adding hydrated alumina to carry out homogenizing treatment; adding an alginate solution into a mixture, carrying out uniform mixing, and then dropwise adding a calcium nitrate solution in a stirring state, washing with water, drying and calcining to obtain a second material; thirdly, uniformly mixing the first material with the second material, then adding urea, potassium nitrate, monocalcium phosphate, magnesium sulfate, ammonium molybdate, zinc humate and diaminoferric xanthohumate into the mixture, carrying out uniform mixing, and then granulating to obtain the special fertilizer capable of improving the tea quality for the tea tress. The special fertilizer disclosed by the invention has the advantages that the fertility is sufficient and the tea quality is improved; in addition, the fertilizer can be slowly released in the soil, so that the effects of water conservation and fertilizer retention are extremely obvious; besides, the tea has the advantages of better fragrance, mellowness, brighter and bluish green color and attractive tea soup color.

The invention discloses a method for prolonging the service life of an oxygen lance nozzle by reducing slag adhering to the oxygen lance nozzle. The method includes the steps that organic dirt on the surface of the oxygen lance nozzle is removed in a vapor degreasing and purging manner, and then a clean oxygen lance nozzle is obtained; the clean oxygen lance nozzle is fixed to a fixing frame to be preheated, wherein the preheating temperature is 573 K-723 K; spraying is performed on the surface of the oxygen lance nozzle through a plasma gun, wherein the maximum power of the plasma gun is 80 kW, the maximum current of the plasma gun is 1000 A, and the no-load voltage of the plasma gun is 80 V; and boron nitride particles are fed into a powder feeding port of the plasma gun through argon and sprayed to the surface of the oxygen lance nozzle, and then an oxygen lance nozzle with a boron nitride coating is obtained. Boron nitride and the copper oxygen lance nozzle are combined to form the boron nitride coating which is resistant to high temperature and corrosion and does not react with steel slag, so that the amount of slag adhering to the oxygen lance nozzle in the converter steelmaking process is reduced, and the service life of the oxygen lance nozzle is prolonged.

The invention discloses a medical formula food for people with dysphagia, and belongs to the field of special medical foods. The medical formula food is prepared from locust bean gum, pectin, isomaltooligosacharide, resistant malt dextrin, skim milk powder and water. In a preparation method of the medical formula food for people with the dysphagia, a freeze-drying technology is adopted for treating the locust bean gum and the pectin, which reduces the dissolution temperature of the locust bean gum and pectin, thereby better maintaining an original structure. The product stability is good, anddelamination and separation do not occur during long-term storage. The medical formula food for people with the dysphagia has the advantages that the cost is low, the production is simple, and the industrial production is convenient; the product viscosity is suitable for patients suffering from the dysphagia, and the sensory evaluation score is high so that the medical formula food can be used asa standard food for the patients with the dysphagia.

The invention discloses a synthetic leather production process waste gas treatment method. The method comprises the following steps: first waste gas absorption of four-stage circulation of spray washing, and first cooling and condensing and subsequent freezing; The first waste gas absorption of four-stage circulation of spray washing comprises the following operations: centrally collecting waste gas, centrally collecting the mixed waste gas with the temperature of 90-110 DEG C generated by a synthetic leather processing technology, and centrally collecting mixed waste gas with the concentration of 4900-5100mg / m<3>, wherein in the mixed waste gas components, DMF accounts for 4400-4600mg / m<3> and other waste gas components account for 400-600mg / m<3>; and after the concentration of the formed mixed waste gas reaches 5000 mg / m<3>, the mixed waste gas is filtered through a reverse osmosis membrane filter screen to remove part of solids and viscous substances, then first cooling condensation and subsequent freezing treatment is conducted in cooperation with a cooling tower, and the first cooling condensation and subsequent freezing treatment is divided into cooling condensation treatment and freezing treatment, wherein the cooling condensation treatment comprises the step of condensing waste gas by using a spray cooler outside the pipe to obtain high-concentration waste liquid with the concentration of 70-80% and the temperature of 40-50 DEG C.

The invention discloses a graphene composite material applied to haze prevention and a preparation method thereof. The graphene composite material comprises the following raw materials in parts by weight: 35 parts of graphene, 22 parts of organic silicon resin, 12 parts of diatom ooze, 55 parts of straws, 3-5 parts of zeolite powder, 8-10 parts of polylactic acid, 4-8 parts of diammonium hydrogenphosphate and 1-5 parts of sodium bicarbonate. The graphene composite material is reasonable in allocation of the ingredients, simple in preparation method and stable in chemical property, can be usedfor preventing haze and is good in haze prevention effect; the composite material prepared by the invention does not contain any heavy metal or chlorine and has the characteristics of having no toxicity or harm to human bodies and the environment, being convenient to use and the like.

The invention discloses an anti-corrosion boiler blast blower, which comprises a wind box, wherein a main shaft is arranged in the wind box; an impeller is arranged on the main shaft; a motor is arranged outside the wind box; an anti-corrosion layer is arranged outside the wind box, and is prepared from the following ingredients in parts by mass: 15 to 20 parts of water-borne epoxy resin emulsion,10 to 20 parts of bisphenol F epoxy resin, 1 to 3 parts of nanometer titanium dioxide, 5 to 7 parts of dispersing agents, 1 to 3 parts of surfactants, 3 to 5 parts of foaming agents, 1 to 3 parts ofthickening agents, 1 to 3 parts of foam stabilizers, 3 to 5 parts of pigment and filler, 3 to 5 parts of silicon micro powder, 1 to 3 parts of modified magnesium hydrate, 20 to 30 parts of solvents and 0.1 to 0.3 part of composite rare earth. The anti-corrosion boiler blast blower has the advantages that the anti-corrosion performance is good; the service life is prolonged; the cost is reduced.

The invention discloses an anticorrosive chlorinated rubber coating, which is prepared from the following components: chloroprene rubber, chlorinated rubber, a refractory material, a dispersant, dimethylbenzene, fluorocarbon resin, organic silicone modified epoxy resin, Songxiashui, baryta powder, vermiculite powder, a surfactant, a binder, a plasticizer, micaceous iron oxide and composite rare earth. The invention also discloses a production process for the anticorrosive chlorinated rubber coating. The production process is simple and easy, the produced anticorrosive material is high in anticorrosive performance and protection performance, the service life of the anticorrosive material is prolonged, and the cost is reduced.

The invention discloses a laminated composite lithium battery diaphragm and a preparation method thereof. The laminated composite lithium battery diaphragm is sequentially compounded with a grafted PTFE microporous film layer and a ceramic coating on the upper and lower surfaces of the grafted PE microporous film layer. , the thickness of the ceramic coating is 0.001-7 μm; the thickness of the grafted PTFE microporous membrane layer is 1-10 μm; the thickness of the grafted PE microporous membrane layer is 5-25 μm. Diaphragm preparation, including the following steps in sequence: stack the grafted PTFE microporous membrane on the upper and lower surfaces of the grafted PE microporous membrane, and hot press to make them composite into one, to obtain the initial diaphragm, and the hot pressing temperature is 100~ 350°C, pressure 0.3-6kg, line speed 0.5-50 m / min; impregnate the initial diaphragm in the ceramic suspension, dry and solidify; the resulting diaphragm has high puncture resistance, high porosity, and high temperature Good shut-off performance.

The invention relates to the technical field of phenolic resin preparation, in particular to a preparation technology for phenolic resin with high adhesive force. The curing rate of the phenolic resincan be obviously increased, and therefore the production efficiency during usage can be improved. The technology comprises the main steps that S1, p-tert-butyl phenol, formaldehyde and lime are addedinto a high pressure reaction kettle, stirred and mixed to be uniform, and heated; S2, after the temperature inside the reaction kettle is increased to 80-100 DEG C, the temperature is controlled tobe stable, and a reaction is performed; S3, hydrochloric acid and methylbenzene are added into the reaction kettle; S3', hydrogenated palm base primary amine is added into the reaction kettle; S4, a reaction solution is transferred into a discharging pool, and metering and packaging are performed.

The invention provides a rotary packed bed and system based on hydrophilic-hydrophobic combined fillers. The hydrophobic filler and the hydrophilic filler are combined to form a combined filler. When the filler cuts the liquid, the hydrophobic filler can fully disperse the liquid so that the liquid is dispersed in the filler area. More uniform, the wettability of the hydrophilic filler makes the liquid fully spread, increases the wetting fraction of the filler, and can achieve different mixing effects through a reasonable combination, because the number of hydrophilic filler layers and hydrophobic filler layers in the combined filler is limited , which can avoid the phenomenon of liquid droplet coalescence in a single hydrophobic packing area and the phenomenon of reducing liquid turbulence in a single hydrophilic packing area. The negative effects of hydrophilicity can be alleviated or offset by hydrophobicity. At the same time, the negative impact of hydrophobicity can be alleviated or offset by hydrophilicity, so the application of hydrophilic-hydrophobic combined packing in the rotating packed bed can further improve its mass transfer and mixing performance.

The invention relates to the technical field of preparation of a phenolic resin, in particular to a method for producing an easy-curing phenolic resin. The method can significantly improve the curingrate of the phenolic resin, thereby improving the production efficiency in use. The method comprises the main steps of S1, adding tert-butylphenol, formaldehyde and lime to an autoclave, stirring andmixing uniformly, and heating; S2, raising the temperature in the autoclave to 80-100 DEG C, controlling the temperature to be stable, and carrying out a reaction; S3, adding hydrochloric acid and toluene to the autoclave; S3', adding a modifier to the autoclave; S4, transferring reaction liquid to a discharge tank, metering and packing.

The invention discloses a celery seed oil solid dispersion and a preparation method thereof. The powdery solid obtained after spray-drying by the saturated aqueous solution of celery seed oil and macromolecular carrier material is mixed homogeneously; The mass ratio of celery seed oil and macromolecular carrier material in the described solid dispersion is 1:1- 100; the polymer carrier material is selected from arabinogalactan, hydroxyethyl starch, polyvinylpyrrolidone K30, hyaluronic acid, α-cyclodextrin, β-cyclodextrin, hydroxypropyl-β-cyclodextrin One of the alcohols or methyl-β-cyclodextrin. The invention obtains dry fine powder particles through spray drying, forms complexes through the inclusion action of carriers, and suppresses volatilization of celery seed oil. It has a significant effect on lowering uric acid and blood pressure. It can increase the effective dose of essential oils and cover up its irritating smell, reducing the irritation to human mucous membranes. The market prospect is broad.