58results about How to "High Mohs hardness" patented technology

A nonaqueous electrolyte secondary battery includes an electrode body, a non-aqueous electrolyte and a porous heat resistance layer. The electrode body is provided with a positive electrode and a negative electrode that face each other through a separator. The porous heat resistance layer is disposed at least in one of a space between the positive electrode and the separator and a space between the negative electrode and the separator and contains an inorganic filler. A porosity of the separator is not less than 70% by volume and not more than 80% by volume. A ratio of a porosity of the porous heat resistance layer with respect to the porosity of the separator is not less than 0.3 and not more than 0.6.

The invention relates to an inkjet infiltrating glazed porcelain tile and a preparation method thereof. The preparation method comprises the following steps: 1) preparing ground glaze slurry and transparent glaze slurry; 2) spraying the ground glaze slurry onto a blank, performing drying, coating a ground glaze layer with infiltrating ink and an infiltrating aid, and standing for more than 5 minutes to guarantee an infiltrating effect; 3) performing biscuit firing on the blank prepared in the step 2) at the temperature of 800 to 950 DEG C; 4) spraying the transparent glaze slurry onto the biscuit-fired blank in the step 3); 5) firing the blank, onto which the transparent glaze slurry is sprayed, prepared in the step 4) at the temperature of 1,150 to 1,230 DEG C, and then performing polishing to obtain the inkjet infiltrating glazed porcelain tile. Due to the fact that the ink infiltrates into the ground glaze layer after firing, the whole layer of transparent glaze is polished by a non-elastic module and then is polished to a ground glaze upper middle layer, so that local exposure can be avoided.

The present invention relates to a kind of ceramics to which the jade powder is added, which is characterized by that it uses clay, feldspar and quartz as base material or uses talcum, feldspar, kaolin, magnesium oxide and silicon oxide as base material or uses kaolin, quartzite, feldspar and phosphate as base material and adds the jade powder to said base material, and its composition comprises (wt%) 70-90% of base material and 10-30% of jade powder. The whiteness of the product made up by said method is increased, and its Mohs' hardness, compression strength and tensile strength are greatlyraised.

The invention discloses a formula of a stone slab with artificial patterns. The formula comprises raw materials as follows: unsaturated polyester resin, a curing agent, quartz, glass fiber, color paste, an accelerant, a coupling agent, alloy powder, composite powder and water serving as a hydraulic bonding agent. The stone slab is energy-saving and environment-friendly due to the fact that the quartz and the glass fiber which are low in price and easy to obtain are taken as the raw materials of the formula and belongs to a novel environment-friendly building material, and various resources can be sufficiently used; the stone slab replaces natural quartz stone to serve as a high-grade decoration, over-exploitation of the natural quartz stone is effectively restrained, and environment protection and development of recycling economy and low-carbon economy are promoted; the stone slab has the advantages of non-toxic, tastelessness, non-radiation, no microcellular structure, dirt resistance, easiness in maintenance and high processability and can has a good lighting effect by the aid of projection of common light.

The invention discloses a modified tung oil-acrylate copolymer emulsion which is prepared by carrying out free radical emulsion polymerization reaction on modified tung oil, acrylate monomer, styrene and crosslinking monomer as monomer components and adding a diamidohydrazine or polyhydrazide crosslinking agent, wherein the modified tung oil is an addition reaction product prepared from tung oil and an alkene unsaturated surfactant with the molecular weight of 100-500 in a weight ratio of 100:(50-150). The invention also discloses a paint composition using the emulsion. The paint composition can be used for coating metals and plastics.

The invention discloses a preparation method for an artificial quartz plate with ice-crack grains. The quartz plate is prepared from quartz sand, quartz powder, inorganic pigments, a coupling agent, unsaturated resin, a curing agent and dry powder. The preparation method includes the steps of material preparation, stirring, material arrangement, pressing, thermal curing and fixed-thickness polishing. According to the provided preparation method for the artificial quartz plate with ice cracks, through adjustment of the matching ratio of the components and cooperation of the dry powder in use, amold is used for material arrangement, the prepared quartz plate has naturally distributed ice-crack grains, the hardness of the artificial quartz plate is large, the surface compactness is good, andthe artificial quartz plate is relatively excellent in stain repellent effect.

The invention discloses an oblique swing pressurization external circulation mill. A central shaft frame is mounted at the bottom of a base of a milling main engine; milling rings are mounted at an upper part of the base; a cover barrel is mounted on the end surface of the base; a main engine feeding hole is formed in an upper cover of the cover barrel; a main engine discharging hole is formed in the bottom of the base near the central shaft frame and communicated with an external grading system through a pipeline; a lower part of a main-engine main shaft is arranged on the central shaft frame; a fixed roller frame connected with a material scraping frame is mounted at an upper end of the main-engine main shaft; the central shaft frame is sleeved with the material scraping frame; material scraping plates are mounted on the material scraping frame; milling roller devices are uniformly distributed around the circumference of the main-engine main shaft; each milling roller device comprises a milling roller sleeve, a milling roller and a milling roller shaft; the milling roller sleeves are obliquely hung on the fixed roller frame; the milling rollers obliquely lean on the milling rings; a material equalizing plate synchronously rotating and provided with a baffle edge is arranged above the fixed roller frame; a pressurization mechanism acting on the milling roller devices is arranged on the fixed roller frame. According to the mill, a finished product is separated by adopting external circulation, so that equipment is convenient to repair; a shovel blade mechanism is not arranged, so that the power consumption is reduced and the total power loss of the milling main engine is reduced.

The invention discloses an optical glass polishing disk and a manufacturing method thereof. A polishing disc raw material comprises the following components in percentage by weight: 30-45% of polishing powder, 6-18% of resin, 10-22% a pore forming substance, 0.2-20% of aminolipin, 8-18% of a curing agent and 8-18% of a catalyst. By improving the formula of the polishing disc, the dosage of the polishing powder is reduced directly, the manufacturing cost is lowered, the environmental pollution is reduced, and damage on human body can be also reduced. The added aminolipin organic high-molecularpolymer in cross-linking reaction with resin is high in adhesive force and good in toughness. The polishing powder after coordinated bonding is high in Moh's hardness, and the grinding force of the optical glass polishing disk is enhanced; finally, the polishing disc is high in light out-coupling efficiency, good in polishing effect and durable. 300-400 tons of rare earth polishing powder can be saved by only one county of Pujiang every year.

The invention provides a heat-conduction anti-abrasion fireproof material. With magnesium oxide micro powder being a main raw material, a dispersing agent and an organic binding agent are added, and by the utilization of slip casting production forming, the heat-conduction anti-abrasion fireproof material is formed through sintering at the temperature of 1750 DEG C. The product is composed of raw materials with good heat conduction, the crystal-phase magnesium oxide has the porosity larger than or equal to 2%, is even and compact and has good heat conduction, the heat-conduction coefficient can reach about 30-35 W/(m.k) at the temperature of 1000 DEG C, moh's hardness is slightly higher than corundum hardness, high anti-abrasion performance is achieved, high temperature resistance is good, and refractoriness under load can reach 1680 DEG C or above.

The invention relates to a zirconium gem processing technology and a zirconium gem. The zirconium gem processing technology and the zirconium gem solve the problem that design is unreasonable in prior art. The zirconium gem processing technology includes the following steps that A, material preparation is carried out, wherein a zirconium gem body, a ZrO2 material, a SiO2 material and an AF material are prepared; B, vacuumizing is carried out, wherein the zirconium gem body is placed into a coating cavity umbrella stand, a door is closed, vacuumizing is carried out, then a workpiece disc is rotated, a coating cavity is vacuumized at the normal temperature, and the vacuum degree in the coating cavity ranges from 8.0E to 4Pa after the coating cavity is vacuumized; C, coating is carried out, wherein the ZrO2 material, the SiO2 material and the AF material are placed into corresponding evaporator sources, the evaporator sources are communicated with the coating cavity, the ZrO2 material, the SiO2 material and the AF material are sequentially coated to the zirconium gem body by means of the corresponding evaporator sources through an evaporation technology; and D, material taking is carried out, air is led in, the door is opened, and the finished zirconium gem is taken out. The zirconium gem processing technology and the zirconium gem have the beneficial effect that the practicability is high.

The invention relates to the field of building materials, aiming at providing colored antistatic and anticorrosive paint and a using method thereof. The paint is prepared from the following componentsby mass percent: 5-15% of a lithium silicate solution, 0.5-3% of a glucose solution, 3-10% of inorganic toner, 0.6-1% of a surfactant, 5-10% of ethanol, 15-35% of alumina sol, 5-12% of a silver ammonia solution, 0.5-6% of conductive powder, 0.1-0.5% of a brightener, 1.5-4% of a silane coupling agent and the balance of distilled water. The colored antistatic and anticorrosive paint is prepared from water-based materials, is simple and convenient to construct, and can be directly applied to the surface of a terrace in a way of roller coating or spraying for construction; the terrace treated byusing the colored antistatic and anticorrosive paint has the characteristics of being high in hardness, wear resistance and gloss, antistatic, and the like, and is especially excellent in antistatic property; furthermore, a variety of colors are available for adjustment and selection. The surface gloss of the terrace becomes more durable after the terrace is used for a longer time, and the terraceshows waxing luster.

An optical device wafer processing method for dividing an optical device wafer along a plurality of division lines to obtain a plurality of individual device chips includes applying a laser beam to a wafer substrate along each division line to thereby form a laser processed groove along each division line, and next forming a V groove along each laser processed groove on the optical device wafer by using a cutting blade having a V-shaped tip in the condition where each laser processed groove is removed by the cutting blade. A crack is formed so as to extend from the bottom of each laser processed groove due to a load applied from the cutting blade, thereby dividing the optical device wafer into the individual device chips. The depth of each laser processed groove is set smaller than the depth of cut by the cutting blade.

The invention discloses a sandy sound absorbing plate and a preparation method thereof. The plate is mainly composed of at least two sound absorbing material bodies integrally formed; the sound absorbing material bodies are made from natural round grain quartz sand and resin glue through mixing and pressing; the two sound absorbing material bodies are provided with an adhesive covering layer respectively applied on the surfaces of the two sound absorbing material bodies; after the integrally formed sound absorbing material bodies are covered with the resin glue and the adhesive covering layer,sound absorbing holes are formed in gaps among the natural round grain quartz sand particles. The method has the advantage of obtaining a better sound absorbing effect.

The invention discloses a preparation method of a synthetic quartz plate with imitated rosy cloud patterns. The preparation method comprises a material A, a material B, and a dry powder; the weight ratio of the material A to the material B is 1:0.7-1.1. The preparation method comprises following steps: material preparation, stirring, material distribution, pressing, thermal curing, and thickness determination and polishing. According to the preparation method, the ratio of the components is adjusted, and cooperation of a plurality of pigments is adopted, and at the same time, the dry powder isadopted for embellishing, so that the obtained quartz plate possesses a plurality of randomly changeable colors and natural patterns with high layering sense.

The invention discloses a preparation method of lead-free electronic glass. The preparation method comprises the following steps: S1: carrying out ultrasonic high-speed dispersion on a non-transparentsintered matter prepared from silicate and silicon dioxide, wherein the ultrasonic frequency is 50 to 60kHz, the dispersion speed is 5500 to 6000r/min and the dispersion time is 30 to 60min; then putting the non-transparent sintered matter into a combustion vessel and melting; adding a fluxing agent, wherein the temprature in the combustion vessel is 1800 to 2000 DEG C; S2: melting for 20 to 40min until the non-transparent sintered matter does not contain unreacted mixture particles, so as to form transparent glass liquid; adding a glass clarifying agent into the transparent glass liquid andremoving visible bubbles; S3: raising the temprature of the glass liquid to homogenize the glass liquid, and removing stripes and other non-uniform bodies, so as to enable chemical compositions of allparts of the glass to reach expectation. The glass prepared by the preparation method does not contain lead and has no damages to human bodies; the glass also has the advantages of high Moh's hardness, high sealing strength, high expansion coefficient, high light transmittance and good insulation performance; practical and industrial conditions are realized, and the glass can be widely applied toelectronics and electrical apparatus industries.