101results about How to "Has alkali resistance" patented technology

The invention discloses a preparation method of a flaky nanometer molybdenum disulfide material. The preparation method comprises the steps of dispersing a raw material, namely molybdenum disulfide with a lamellar crystal structure, into a mixed solution of nitric acid and hydrochloric acid; carrying out liquid phase separation by using a heating or ultrasound method; and reacting to obtain the flaky nanometer molybdenum disulfide material. The invention also discloses a nanometer composite metal anticorrosive coating material and a preparation method thereof. The nanometer composite metal anticorrosive coating material is prepared by compounding flaky nanometer molybdenum disulfide and nanometer silicon dioxide sol. The preparation method disclosed by the invention is simple; the raw material is easily available; the flaky nanometer molybdenum disulfide material and the nanometer composite metal anticorrosive coating material are widely applied to the antirust treatment and performance improvement of metal materials; the service life of metal is prolonged; and the energy consumption is reduced.

The present invention features that by selecting different sort and amount of emulsion and assistants, four kinds of wall finish paint, including styrene-acrylate wall finish paint, acrylate wall finish paint, organosilicon modified acrylate wall finish paint and high elasticicty wall finish paint, of different performance / cost ratio are proposed. They features the introduction of hydroxyethyl cellulose and non-transparent hollow polymer. Therefore, the outer wall finish paint has excellent alkali resistance, color maintaining property, antifouling property, ultraviolet ray resistance, freeze thawing resistance, waterproof property, etc.

The invention relates to a water-based heat insulation paint and a preparation method of the paint; the water-based heat insulation paint is prepared by mixing water, film forming matter, a dispersing agent, an anti-freezing agent, a defoaming agent, a film forming auxiliary agent, a thickening agent, functional filler, composite phase change material and titanium dioxide. The water-based heat insulation paint is coated on the surface of a wall body, and has the effects of heat insulation and building indoor temperature regulation after being cured at the room temperature and completely dried.

The invention relates to a solar heat- reflective insulating varnish, belonging to coating technology field. When it is coated on the surface of glass, it can insulate heat and maintain glass transparency. The invention aslo provides the preparation method. The comprised raw material and proportion by weight are as follows: film forming matter 35-45, inorganic oxidant 10- 15, levelling agent 0.5- 1, defoaming agent 0.3- 0.5, silane coupling agent 1- 5, and mixing solvent 33.5- 53.2. The varnish is characterized by heat resistance, water resistance, acid and alkali resistance, high reflecting solar heat, good light transmission rate, low cost, energy- saving, and suitability to be used for building galss, car glass, solar house heating, incandescent lamp lighting and refrigerator glass. The preparation process and device is easy and simple and is suitable for industrial production.

This invention relates to Bacillus subtilis and its application. Bacillus subtilis Jaas ed1 is stored in China General Microbiological Culture Collection Center on Dec. 12, 2005 with a number of CGMCC No.1564. Bacillus subtilis Jaas ed1 can enter crops with a low bacteria solution concentration, and colonize in crops. Bacillus subtilis Jaas ed1 has good effect on preventing plant diseases, especially soil-borne diseases. Besides, Bacillus subtilis Jaas ed1 can promote plant growth and produce various antibacterial metabolites, and has such advantages as low cost, easy operation, no pollution and no harm.

The invention discloses a finishing method of a cotton-hydrophobic fabric based on BTCA-TEOS-OA combined treatment and belongs to the technical field of functional textiles. The finishing method is characterized in that 1,2,3,4-butanetetracarboxylic acid is adopted for pretreating the fabric so as to increase the capability of reaction between the fabric and a following chemical reagent and function as a bridge; tetraethoxysilane is hydrolyzed and condensated under the acidic or alkali condition so as to form particulate matters on the surface of the fabric and play a role in roughening the fabric; due to long-chained alkane type octadecylamine, the surface energy of the fabric can be effectively reduced, and further the environmental problem caused by total-fluoride energy is avoided. The finishing method disclosed by the invention has the advantages that the traditional processes of soaking, rolling, drying and baking are adopted, and a product is good in uniformity and repeatability and low in cost. BTCA, TEOS and OA adopted in the finishing process need to be carried out under the condition of weak acid and weak alkaline, the baking temperature is low and the damage on the fabric is less. The finishing method can be used for finishing the hydrophobic function of the cotton fabrics.

The invention discloses a nano metal anticorrosion coating material, and a preparation method and application thereof. The material comprises a water glass colloid solution and nano metal oxide particles. The nano metal anticorrosion coating material has the advantages of favorable endurability, high hardness, acid resistance and alkali resistance, and can be tolerant to high temperature of higher than 800 DEG C; and the product can be used for anticorrosion treatment and property improvement of metal accessories for buildings, automobiles, electric apparatuses, home appliances, fasteners, structural members and the like, and can prolong the metal service life and lower the energy consumption.

A silicon-containing curable composition, comprising: a prepolymer (A) containing two or more Si-H groups per molecule obtained by hydrosilylation reaction of one kind or more selected from each of components (±) and components (²) described below; a cyclic siloxane compound (B) containing per molecule two or more carbon-carbon double bonds that have reactivity to the Si-H groups; and a hydrosilylation catalyst (C); wherein the component (±) is a cyclic siloxane compound represented by formula (1) and contains two or more Si-H groups per molecule, wherein R 1 , R 2 and R 3 each are an alkyl group having 1 to 6 carbon atoms or a phenyl group, may be the same or different, a is any number of 2 to 10, b is any number of 0 to 8, and a+b ‰¥ 2, and wherein the component (²) is a compound containing per molecule two or more carbon-carbon double bonds that have reactivity to the Si-H groups.

The invention discloses a preparation method of bamboo fiber paper cups. The invention relates to a bamboo fiber paper cup and a production process thereof. The bamboo fiber paper cup mainly structurally comprises a hollow fiber cup body, and is characterized in that the cup body comprises an outer layer, an inner layer, a hollow layer arranged between the outer layer and the inner layer and a coating layer above the inner layer. The outer layer and the inner layer are prepared from the following components in parts by weight: bleached bamboo fibers, dahurian larch fibers, modified starch, chitosan, talc powder, a dispersant, guar gum, glyceride hydrolase and a wet-strength agent. The hollow layer is prepared from the following components in parts by weight: polypropylene hollow short fiber pulp, dahurian larch fibers, chitosan, talc powder and a dispersant. According to the above settings, the outer layer and the inner layer are produced by employing bamboo fibers. The bamboo fiber pulp not only is environment-friendly, but also has the characteristics of being excellent in antibacterial property, bacteriostatic and free of peculiar smells. The hollow fiber layer has the functionsof being light in weight, heat insulative and warm-keeping. The bamboo fiber paper cup serving as a hot drink paper cup and a cold drink paper cup simultaneously is relatively safe.

The invention discloses a method for manufacturing bricks by utilization of shale and sandstone, which comprises: mixing the shale, the sandstone, coal refuse and coal dust according to the ratio of 20-25:65-70:10-15:0.25-0.3 by weight portion; adding 15 to 20 weight portions of water into the mixture to be stirred and manufactured into green bricks; placing the green bricks into a kiln for sintering after drying the green bricks, wherein the sintering temperature is between 950 and 1,050 DEG C, and the sintering time is between 20 and 24 hours; and drawing the bricks out of the kiln after performing heat preservation for 5 to 6 hours. The sintered bricks have the advantages of weather resistance, alkali resistance, high strength and light weight. The method changes waste into valuable, saves farmlands, protects land resources, and has good social benefit and economic benefit.

The invention provides an ultraviolet curing transfer-printing high-gloss decoration plate and a manufacturing method thereof. The method includes: (1) forming a primer surface on the front surface of a decoration substrate; (2) performing sizing and transfer film-printing of the primer surface, performing ultraviolet curing, and removing the transfer-printing film; (3) performing roller painting of colored paints on the front surface of the decoration substrate and performing ultraviolet curing; and (4) performing roller painting of high-gloss finishing paints on the cured colored paints and performing ultraviolet curing. The decoration plate manufactured by the method is advantaged by high-definition emulation, bright and saturated color, smooth and wear-resistant surface, light weight, and low cost.

The invention provides an ultraviolet curing transfer-printing matte decoration plate and a manufacturing method thereof. The method includes: (1) forming a primer surface on the front surface of a decoration substrate; (2) performing sizing and transfer film-printing of the primer surface, performing ultraviolet curing, and removing the transfer-printing film; (3) performing roller painting of colored paints on the front surface of the decoration substrate and performing ultraviolet curing; and (4) performing roller painting of matte finishing paints on the cured colored paints and performing ultraviolet curing. The decoration plate manufactured by the method is advantaged by high-definition emulation, bright and saturated color, smooth and wear-resistant surface, light weight, and low cost.

The invention relates to bacillus licheniformis, a method for preparing a flocculating agent from the bacillus licheniformis and an application of the flocculating agent. The strain is bacillus licheniformis LZ-1 which is preserved in China General Microbiological Culture Collection Center on November 06, 2012 with preservation number of CGMCC No.6782. With the application of the bacillus licheniformis LZ-1 as well as a production method provided by the invention, a fermentation broth, which is high in flocculating activity, is obtained under the condition that an initial pH value is alkaline, and high-molecular-weight polysaccharide, which is 0.8-3.2*10<7>Da, serves as a major flocculating active ingredient. The polysaccharide flocculating agent provided by the invention has the advantages of being high in flocculating activity, low in dosage, low in production cost and the like, and the flocculating agent has a flocculating conditioning effect on sludge. The bacillus licheniformis LZ-1 fermentation broth or a product, which is extracted from the fermentation broth and contains the polysaccharide flocculating agent, can be applied to deep dewatering by sludge plate-frame pressure filtration in a mode of replacing a polyacrylamide flocculating agent, so that sewage treatment plant concentrated sludge, which is 96-98% in moisture content, is further dewatered into a sludge cake which is lower than 60% in moisture content and the size of the sludge is diminished to be 1 / 20-1 / 10 of an original size.

The invention relates to the field of chemical fiber materials and discloses a preparation method for euphausiid protein regenerated cellulose fibers. The preparation method comprises the following steps: preparing a mucilage glue solution for later use; preparing a pre-cross-linked euphausiid protein solution: sequentially adding a sodium hydroxide solution, euphausiid protein and lignin sulfamic acid; agitating at 50-70 DEG C for 4-6 hours; cooling to 35-45 DEG C, keeping the heat and filtering to obtain a filtering solution, namely the euphausiid protein solution; adding a cross-linking agent into the euphausiid protein solution and keeping the heat at 35-45 DEG C to react for 0.4-0.6 hour to prepare the pre-cross-linked euphausiid protein solution; and mixing the mucilage glue solution, the pre-cross-linked euphausiid protein solution and the cross-linking agent and spinning. The fibers prepared by the preparation method have good strength; the strength of the fibers is enhanced; meanwhile, the hand feeling and the luster of the fibers are improved and the fibers can be used as raw materials of a textile industry.

The invention discloses a method for remedying facility continuous cropping acidized soil through microorganism-electric combination. The method includes the steps that two electrode baths are formed in the surface of the soil, a cathode and an anode are inserted in the electrode bathes respectively, alkali liquor is added to the baths, the pH value in the baths ranges from 11 to 12, and power is supplied for electric remediation; microorganisms ferment, fermentation liquid is acquired to be compounded with Ca(OH)2 and Mg(OH)2 to serve as functional microorganism bacterial liquid; the functional microorganism bacterial liquid is inoculated into the soil anode bath in the electric remediation process, and the pH value is adjusted to an initial value; and under the effects of functional microorganisms and electric power, acid-based ions in the soil are separated from the soil and migrated to the anode and the cathode, and therefore soil remediation is finished. The microorganisms are used for acting on the soil, and soil nutrient ions are activated; an electric remediation method is used for removing redundant NO3- and K+ in the soil, the content of base-based ions such as OH-, Ca2+ and Mg2+ in the soil is increased, and finally the pH value of the facility continuous cropping acidized soil is increased. The method is easy to implement, secondary pollution cannot be generated, and the microorganism activity of the soil and the quality of the soil can be improved.

The invention discloses a film coated metal plate with high corrosion resistance, and a manufacturing process thereof. The film coated metal plate comprises a first corrosion-resistant film layer, a first adhesive layer, a base plate layer, a second adhesive layer and a second corrosion-resistant film layer, wherein the first corrosion-resistant film layer, the first adhesive layer, the base platelayer, the second adhesive layer and the second corrosion-resistant film layer are sequentially arranged from top to bottom, the first corrosion-resistant film layer and the second corrosion-resistant film layer respectively comprise a surface layer, a function layer and an adhesion layer, and the surface layer, the function layer and the adhesion layer are sequentially arranged from top to bottom. The manufacturing process comprises: (1) unwinding; (2) adhesive adding; (3) drying; (4) compounding; and (5) winding. According to the present invention, the film coated metal plate has advantagesof impact resistance, hot water resistance, salt spray resistance, wear resistance, stain resistance, corrosion resistance, light aging resistance, acid resistance, alkali resistance, oil resistance,good flexibility and corrosion resistance, such that the film coated metal plate has long service life; and the process method is simple, and is suitable for mass production.

The invention specifically relates to a corundum firebrick with low heat conductivity and high corrosion resistance, and a preparation method thereof, belonging to the field of preparation technologyfor refractory materials. The corundum firebrick with low heat conductivity and high corrosion resistance is prepared from calcium hexaaluminate particles, alpha-alumina micropowder and rare metal oxide micropowder through mixing, molding, drying and firing. The corundum firebrick provided by the invention has the characteristics of low heat conductivity, good high-temperature performance, wear resistance and erosion resistance; when the corundum firebrick is applied to the transition zone of a cement kiln, the corundum firebrick can greatly reduce the cylinder temperature of the cement kiln,lower heat loss and greatly prolong the service life of the cement kiln; and the preparation method is also provided and is scientific, reasonable, simple and practical.

The invention discloses a thermal insulation building material and a preparation process, which is prepared by taking main raw materials in the following weight proportions: heavy calcium powder 92-105, calcium lignosulfonate 10-20, talcum powder 28-36, water glass 10 ‑16, aluminum hydroxide 5‑10, water soluble resin 8‑13, green tea 9‑15, borax 3‑7, zinc borate 5‑11, sodium alginate 6‑12. The product obtained in the present invention has excellent bonding strength, good two-way affinity, excellent crack resistance, good fire and flame retardant performance, good water resistance and excellent impermeability, certain alkali resistance, and Good anti-sagging performance, easy to color the paint, uniform color distribution, good construction performance and storage stability, friendly to the environment, non-toxic, no peculiar smell, safe and environmentally friendly.

The invention provides an ultraviolet curing transfer-printing flat decoration plate and a manufacturing method thereof. The method includes: (1) forming a primer surface on the front surface of a decoration substrate; (2) performing sizing and transfer film-printing of the primer surface, performing ultraviolet curing, and removing the transfer-printing film; (3) performing roller painting of colored paints on the front surface of the decoration substrate and performing ultraviolet curing; and (4) performing roller painting of flat finishing paints on the cured colored paints and performing ultraviolet curing. The decoration plate manufactured by the method is advantaged by high-definition emulation, bright and saturated color, smooth and wear-resistant surface, light weight, and low cost.

The invention discloses an environmentally-friendly composite interior wall coating material and a preparation method thereof. The environmentally-friendly composite interior wall coating material comprises the following components in percentage by mass: 18-25% of water, 15-20% of polyvinyl acetate emulsion, 10-15% of GHT-2DS pure acrylic emulsion, 15-20% of 800-mesh anatase titanium dioxide, 15-20% of 800-mesh light calcium carbonate, 5-8% of 800-mesh talcum powder, 4.7-7% of 800-mesh bentonite, 0.72-2.0% of lauryl alcohol ester, 0.04-0.94% of ultramarine, 0.01-0.06% of S-220 defoaming agent, and 0.01-0.06% of BEK-500 sterilizing agent. The environmentally-friendly composite interior wall coating material has the advantages of environmental protection, alkali resistance, scrubbing resistance and the like. The drying time and the storage period of the environmentally-friendly composite interior wall coating material are obviously prolonged, and the contrast ratio of the environmentally-friendly composite interior wall coating material is obviously increased; and all the indexes of the environmentally-friendly composite interior wall coating material meet and exceed GB / T9756-2001 and GB18583-2001 national standards.

In order to increase the compactness of electric devices such as a PTC device, a battery pack comprising a PTC device and a secondary battery, and a dry cell secondary battery, the disclosed PTC device comprises: (1) a PTC element that comprises (A) a layer polymer PTC element comprising (a1) a conductive filler and (a2) a polymer material, and (B) a metal electrode disposed at both surfaces of the polymer PTC element; and (2) a lead that is connected to the metal electrode by a conductive material and of which at least a portion is positioned on the metal electrode of the PTC element. The exposed portion of the abovementioned conductive material is covered by a protective member comprising a polypropylene resin, a nylon resin, or an epoxy resin.

The invention provides a nano-silica modified styrene-acrylic external wall composite thermal insulation coating and a preparation method thereof. The coating is prepared from the following componentsin parts by weight: 50-70 parts of styrene-acrylic emulsion, 10-20 parts of xonotlite powder, 5-8 parts of hollow glass beads, 8-12 parts of titanium dioxide, 4-5 parts of ultrafine aluminum carbonate powder, 10-20 parts of talcum powder, 2-4 parts of nano-silica, 0.8-1.2 parts of an anti-mildew bactericide, 0.4-0.8 parts of a wetting agent, 0.3-0.5 part of a dispersant, 0.5-0.9 parts of a defoamer, 1.5-2.5 parts of a coalescing agent, 0.8-1.2 parts of a thickener, 4-8 parts of an antifreezing agent, 0.1-0.3 parts of a PH regulator and 30-50 parts of deionized water.

The invention relates to a weatherproof inorganic exterior wall coating based on graphene and mullite and a preparation method thereof, and belongs to the field of graphene-based wall inorganic coatings. The weatherproof inorganic exterior wall coating includes the following components by the mass percentage: 5-15% of mullite, 6-15% of perlite, 1-20% of graphene, 2-10% of vitrified micro-beads, 3-10% of sepiolite, 6-15% of albite, 5-18% of light calcium carbonate, 5-10% of bauxite, 2-8% of nano titanium dioxide, 10-15% of nano-silica sol, 20-30% of an auxiliary agent, and 3-6% of a pure acrylic emulsion. The coating has the advantages of strong bonding strength, simple construction and scouring resistance. At the same time, under high temperature conditions, a coating layer is not blistered and cracked or does not fall off, and plays the effects of water prevention, fire prevention, salt resistance, alkali resistance, heat insulation, heat preservation, corrosion prevention, rust prevention and aging resistance.

The invention relates to waterproof glue. The glue comprises the following components: 80 to 120 parts of foamed polystyrene graft copolymers, 10 to 15 parts of nitrile rubbers, 50 to 80 parts of marble powder, 100 to 120 parts of gypsum powder, 0 to 50 parts of high-alumina cement powder, and 2 to 10 parts of stabilizer, wherein titanium dioxide and / or aluminium stearate are / is adopted as the stabilizer; and the part by weight of the stabilizer is 5 to 8. The waterproof glue has good waterproof performance, and after the waterproof glue is soaked, phenomena of stripping and cracking do not occur. The glue has good acid resistance, and even if the glue is placed in an acidic environment, the phenomena of picking and bubbling are not generated. The glue further has the advantages of high temperature resistance, alkali resistance, strong bonding strength, wide application range, low production cost and the like.

The present invention provides a power supply system that is superior to existing systems. Provided is a power supply system that supplies, via a shaft that is supported by a first bearing and a second bearing, power to a prescribed load from an alternating current power source, said power supply system making it possible to transmit power mutually between a body (15) and an outer conductor of a rotating shaft (2) via a first coupling capacitor that is composed of a sliding bearing outer ring (11) and sliding interface (13) of the first bearing, and the outer conductor of the rotating shaft (2), and also making it possible to transmit power mutually between a connecting conductive wire (14) and an inner conductor (9) of the rotating shaft (2) via a second coupling capacitor that is composed of the sliding bearing outer ring (11), sliding interface (13), and sliding bearing inner ring (12) of the second bearing.

The invention discloses a water-in-water multicolor coating as well as a preparation method of the coating. The water-in-water multicolor coating contains the following components in percentage by weight: 20%-22% of elastic polymer emulsion, 1%-2% of a protecting adhesive, 0.1%-0.5% of a crosslinking stabilizer, 0.1%-0.3% of a cationic crosslinking agent, 0.5%-1% of a film forming aid, 0.1%-0.8% of a thickening agent, 8%-10% of thermal insulation powder, 0.01%-0.1% of a wetting agent, 0.05%-0.2% of a dispersing agent, 1%-3% of infrared reflection pigment, 0.1%-0.5% of titanium dioxide, 1%-5% of kaolin, 0.3%-1.5% of other aids and the balance of deionized water. The water-in-water multicolor coating has the beneficial effects that a dispersoid is stable, and a coating layer has good weatherresistance, alkali resistance, durability and pollution tolerance and strong adhesive property and is colorful. According to the preparation method of the water-in-water multicolor coating, the stability of the prepared water-in-water multicolor coating can be effectively guaranteed.

The invention discloses a preparation method of an apple tree canker antibiological inoculant. The method comprises the steps that apple tree canker pathogen hyphae can be directly adopted as nutrition for growth and breeding, apple tree canker pathogen hyphae can be induced to produce various exocellular enzymes for degrading pathogen cell walls, streptomyces albidoflavus Actin-1 colonized at apple tree canker scab for a long time is activated to produce spores, a spore suspension is prepared, then, the spore suspension is inoculated into a liquid seed culture medium to be fermented to obtain a fermentation seed solution, finally, the fermentation seed solution is inoculated into a solid fermentation culture medium for solid fermentation to obtain spore raw powder, and then, the spore raw powder, an ultraviolet protectant, a dispersing agent, a carrier and other auxiliaries are scientifically screened and compounded to obtain the antibiological inoculant with the multiple advantages of being good in control efficiency, high in efficiency, low in recurrence rate, high in environment adaptability, high in stability, not likely to generate drug resistance and the like; the antibiological inoculant is the first choice for biological control, and is of great significance in improving the control effect of garden stuff pathogenic bacteria such as apple tree canker, preventing pathogenic bacterium relapse and achieving environmental protection.

The invention provides a strain capable of degrading kelp. The strain is an isoptericola salitolerans ISO-49 strain, and the preservation number is CGMCC No.18975. The isoptericola salitolerans ISO-49provided by the invention can be used for fermenting the kelp to produce a seaweed liquid fertilizer. The strain ISO-49 used in the invention has very strong ability to produce alginate lyase, and can quickly destroy the structure of kelp cell walls to release nutrient substances of the kelp; the produced alginate lyase can decompose alginate polysaccharides in the kelp and make the alginate polysaccharides degraded into small-molecule substances that can be easily absorbed and utilized; and the yield of seaweed polysaccharides after fermentation is much higher than a yield of seaweed polysaccharides extracted by a general enzymatic method.

The invention provides an air electrode of a zinc-air flow battery and a battery system comprising the air electrode. The air electrode is of a four-layer structure, free inflow and outflow of ions and air can be guaranteed, normal conduction of battery reaction is guaranteed, electrolyte leakage can be prevented, and service life of a battery is prolonged. According to the battery system based onthe air electrode, a battery pack system, an air system and a flow system are combined, and the efficient and durable zinc-air flow battery system is prepared and has great commercial popularizing value.

The invention provides a nanometer far-infrared styrene-acrylic emulsion interior wall composite heat-insulation coating, which is prepared from the following components in parts by weight: 50 to 70 parts of styrene-acrylic emulsion, 5 to 8 parts of hollow glass beads, 40 to 50 parts of titanium dioxide, 4 to 5 parts of superfine aluminum carbonate powder, 20 to 30 parts of superfine heavy calciumcarbonate powder, 20 to 30 parts of talcum powder, 8 to 12 parts of kieselguhr superfine powder, 6 to 10 parts of nanometer far-infrared emitting material, 0.8 to 1.2 parts of anti-mildew bactericide, 0.4 to 0.8 part of wetting agent, 0.3 to 0.5 part of dispersing agent, 0.5 to 0.9 part of defoaming agent, 1.5 to 2.5 parts of coalescing agent, 0.8 to 1.2 parts of thickening agent, 4 to 8 parts ofantifreezing agent, 0.1 to 0.3 part of PH modifier, and 30 to 50 parts of deionized water.