77results about How to "Act as a skeleton" patented technology

The invention discloses solid sulfur ash masonry mortar. The solid sulfur ash masonry mortar is characterized by comprising the following components in parts by weight: 200 to 490 parts of solid sulfur ash, 30 to 100 parts of lime, 410 to 770 parts of sand, and 0.1 to 0.5 part of water holding thickener. The solid sulfur ash is used as a main raw material for preparing the masonry mortar, so that solid sulfur ash slag discharged by a circulating fluidized bed can be fully utilized, waste of land resources and pollution to the natural environment when the solid sulfur ash is stacked in open air are reduced, meanwhile, the contractility of the masonry mortar is reduced, the water holding property of the masonry mortar is improved, the cost of the masonry mortar is reduced, and the practicability is strong.

The invention belongs to the technical field of lithium batteries, and provides a Y/La-doped Co/B co-coated nickel-cobalt-manganese ternary positive electrode material and a preparation method thereof. According to the present invention, the cycle performance and the safety performance are improved by doping a small amount of Y<3+> ions and La<3+> ions, wherein Y<3+>/La<3+> and Ni<3+> have the same valence state, the doped Y<3+>/La<3+> can enter the metal Ni<3+> position, the Y<3+>/La<3+> does not produce the valence change during the charge and discharge, is electrochemically inert, and doesnot produce the valence state change during the charge and discharge so as not to produce the volume change, such that the Y<3+>/La<3+> can act as the skeleton, stabilize the crystal structure, and improve the cycle life and the safety performance of the material; and under the high voltage, the Co/B co-coated positive electrode material can effectively improve the cycle performance and the electronic conductivity of the battery, reduce the residual alkali, and reduce the flatulence, such that the co-coated nickel-cobalt-manganese ternary positive electrode material can effectively prevent theoccurrence of side reactions so as to improve the cycle performance and the electrochemical performance of the lithium battery.

The invention discloses anti-corrosion polyurethane-epoxy resin composite emulsion coating, which is prepared from the following raw materials: polyurethane-epoxy resin composite emulsion, fluorocarbon resin emulsion, polytetrafluoroethylene emulsion, polyphenylene sulfide resin, tetrafluoroethylene-hexafluoropropylene copolymer, nano-silicon sol, nano-zinc oxide, zinc phosphate, iron-titanium compound powder, nanometer titania, hexahydro-1,3,5-tri(ethoxy)-s-triazine, water-borne polyaniline, carbon nano tube, hollow microspheres, nanometer aluminum nitride, organic-modified montmorillonite, iron oxide yellow, gamma-isocyanate-triethoxypropylsilane, hydrogenated castor oil, defoamer, cosolvent, alcohol ester-12 and deionized water. The anti-corrosion polyurethane-epoxy resin composite emulsion coating disclosed by the invention has good water tolerance and weather fastness and excellent corrosion resistance and impact resistance and is long in service life.

The invention provides a composite thermal interface material of orientated pored graphene foams and a low-melting-point alloy. At normal temperature, the low-melting-point alloy exists in pores of the graphene foams in a solid manner; at working temperature, the low-melting-point alloy is molten and filled into pores of heat conduction interfaces, and the low-melting-point alloy can be prevented from overflowing by the graphene foams; the low-melting-point alloy is an indium-bismuth-tin-gallium alloy; the melting point of the low-melting-point alloy is within 40-70 DEG C; the graphene foams are of a pored structure parallel to a heat conduction direction. After the low-melting-point alloy is filled, the heat conductivity in the heat conduction direction can be greatly improved.

The invention discloses a sludge solidification and drying process. The specific steps are as follows: 1) put the raw sludge into a stirring dryer, and add 5% solidifying agent of the input amount of the raw sludge; 2) set the temperature of the stirring dryer 80-160°C, stirring for 2-3 hours to obtain granular sludge with a water content reduced to no more than 40%. The solidification and drying process of sludge disclosed in the technical solution of the present invention adopts chemical modification and solidification, plus low-temperature drying to treat sludge, which can effectively improve the efficiency of sludge drying. It has changed and has the characteristics of ordinary soil, and it will not reverse into sludge when it meets water. Due to the use of low-temperature drying, the stench produced by high temperature and the harmful gas such as dioxin produced by high-temperature incineration are avoided.

The invention provides a plant empty capsule with a good moulding effect, high surface smoothness and good elasticity and a manufacturing method thereof. The plant empty capsule comprises 88-90wt% of complex gum, 1-3wt% of potassium chloride, 0.3-0.5wt% of humectant, 0-0.2wt% of polysaccharide, 3-5wt% of medical glycerinum, 1-3wt% of titanium dioxide and 0.2-0.3wt% of food colourant, wherein the complex gum comprises carrageenan, plant cellulose and sodium carboxymethylcellulose. The plant empty capsule is low in water content, is especially applicable to being filled with medicines which have strong hygroscopicity and are sensitive to moisture, has the advantages of wide applicability, no crosslinking reaction and high stability and is preservative-free, and microorganisms can hardly grow on the empty capsule; and meanwhile, the plant empty capsule is hardly crisp or broken at a low temperature and is still stable in capsule shell character at a high temperature.

The invention relates to the field of building materials and the field of water conservancy construction, in particular to various clay, weathered granite soil and hoggin soil. Soil at construction sites of artificial lakes, artificial canals and irrigation channels is used as main materials, special macromolecular coagulant, limestone or gravel sandy soil are mixed with Portland cement, and compression molding equipment is used for once forming of seepage-proofing bricks. The main materials include, by weight, 0.02 part of coagulant, 0.2 part of glass fiber chopped strands (biological straws), 70-80 parts of soil, 5-6 parts of cement and 10-15 parts of gravels (weathered granite soil). In terms of performance, the seepage-proofing bricks made by the method have sufficient compressive strength and shear resistance and can meet the normal artificial water conservancy seepage proofing requirements; in terms of process, operation is simple and easy and soil is taken in situ; and in terms of cost, the cost is at least 50% lower than that of cement mortar seepage proofing, soil needed to be removed at the construction sites is treated, construction cost is reduced, and construction cycle is shortened.

The invention discloses a high temperature Fe-based solder for brazing 50Mo-50Re alloy and preparation method thereof, and brazing process. The solder includes the components with following weight ratios: Co 4wt%-9wt%, Ni 3wt%-12wt%, Si 3wt%-8wt%, B 0wt%-3wt%, Nb 3wt%-5wt%, and the balance Fe. The preparation method for the high temperature Fe-based solder comprises the following steps: mixing Fe particles, Si particles, B particles, Co particles, Ni particles and Nb particles evenly in proportion, making the solder into foil strip shape with a thickness ranging from 20-50Mum by using vacuum induction melting furnace and high vacuum spinning machine. The temperature for brazing the solder ranges from 1060-1160 DEG C, and the melting temperature of the solder keeps extremely high to ensure the high temperature performance of a weld. The solder is molten uniformly. The use of solder foil is conducive to promoting the diffusion of alloy elements in soldered connection process, and the solder foil is conducive to promoting element diffusion in soldered connection process. Solid solution can be generated by Fe element and Mo element; Co element and Nb element can promote the diffusion of Mo element and Re element in a brazing seam, so as to form a wide diffusion layer. The performance of the brazing seam is improved.

The invention provides a preparation method of an inorganic foam building thermal insulation material. The preparation method comprises the following steps: dispersing polypropylene fibers, pulverized fuel ash, sulphate aluminosilicate cement, calcium stearate, perlite, manganese dioxide and triethanolamine to water, and stirring, thus obtaining unfoamed slurry; and adding hydrogen peroxide with 30% of mass concentration to the unfoamed slurry, then molding the obtained pre-foamed slurry by casting, maintaining, demolding, and cutting, thus obtaining the inorganic foam building thermal insulation material. The preparation method has the advantages that the foaming process is controlled by controlling the mixing amount of the manganese dioxide catalyst so as to ensure the strength of the inorganic foam building thermal insulation material, simultaneously reduces the heat conductivity of the inorganic foam building thermal insulation material and enhances the heat preservation effect of the inorganic foam building thermal insulation material, the perlite is added so as to serve as an anti-collapse agent so as to reduce the rejection rate, and meanwhile, the triethanolamine is added so as to improve the property of the inorganic foam thermal insulation material. Compared with materials of the same kind, the inorganic foam building thermal insulation material has the characteristics of high strength, low heat conductivity, small volume weight, burning resistance, flame resistance and the like.

The invention discloses putty for an inner wall. The putty is prepared from the following raw materials in parts by weight: 70-100 parts of calcium powder, 2-10 parts of hydroxypropyl methyl cellulose, 1-5 parts of lignocellulose, 0.5-2 parts of pigment, 1-5 parts of diatom ooze and 5-10 parts of sodium bentonite. The raw materials are prepared according to the weight portion, are stirred in a stirrer, and are packaged and sealed after being uniformly stirred. The anti-freeze putty powder is mixed with water when being used. According to the anti-freeze putty powder, hydroxypropyl methyl cellulose and lignocellulose have the effect of a frame, and the using strength of putty can be improved; and diatom ooze and sodium bentonite have excellent damp prevention and chemical resistance. After the putty is applied to an inner wall, the wall surface does not peel, blister or separate, and has excellent abrasion resistance and washing durability.

The invention belongs to the field of a refractory material, and mainly relates to a zirconium oxide composite boron nitride refractory product. A high-purity zirconium oxide refractory material is taken as a main body, a certain ratio of boron nitride is compounded on the work surface within a certain thickness, and a composite layer contains boron nitride, so that the operating temperature of the refractory material can be improved, and the corrosion resistance and the thermal shock resistance are improved; meanwhile, a protective layer can be formed between a hearth and the refractory material, so that cross contamination of the zirconium oxide refractory material and the material inside the hearth is reduced. A backing layer is still made of the high-purity zirconium oxide refractory material, so that the roles of heat preservation, heat insulation and the like are played by using the characteristics that zirconium oxide is heat-resisting, small in heat-conducting coefficient and the like. Zirconium oxide in the composite layer containing boron nitride and zirconium oxide inside the backing layer which does not contain boron nitride are in an overall structure, and are synchronously sintered, zirconium oxide plays a role of a skeleton, and boron nitride in the composite layer is fixed at the periphery of zirconium oxide and tightly connected with the backing layer, so that boron nitride is effectively prevented from being peeled off.

The invention relates to a fabric tactility imitated automotive polypropylene material which is characterized by comprising polypropylene, a flexible modified material, lamellar mica powder and flakyglass flakes, wherein the flexible modified material is at least one substance selected from a styrenic thermoplastic elastomer, a block organic silicon material and polyethylene wax. According to theinvention, by adding the styrenic thermoplastic elastomer, the block organic silicon material and the polyethylene wax, soft tactility is given to the polypropylene material; and meanwhile, additionof the lamellar mica powder and flaky glass flake fillers takes an effect of a skeleton, so that a polypropylene base material has a certain texture while obtaining the tactility and a hand feeling iscloser to a fabric hand feeling.