39results about How to "Not prone to chromatic aberration" patented technology

The invention provides a real stone paint. The real stone paint comprises, by weight, 90-130 parts of water, 2-5 parts of hydroxyethyl cellulose, 2-5 parts of a dispersant, 1-3 parts of a wetting agent, 4-8 parts of an antifoaming agent, 2-3 parts of an antiseptic, 100-150 parts of an emulsion, 5-12 parts of a film forming assistant, 1-3 parts of a pH adjusting agent, 5-20 parts of an antifreeze agent and 400-900 parts of a color sand component, wherein the color sand component comprises two or more than two natural stone flours with similar color. The invention further provides a preparation method of the real stone paint. The natural stone flowers with similar color in raw materials are blended in the embodiment of the invention to balance the color difference of all the natural stone flours, so even the color of one of the natural stone flours changes, the color difference of real stone paint products in batches is very small under the contrast of other natural stone flours with similar color, thereby the color difference change of the real stone paint is well controlled.

The invention discloses a transparent glaze and a preparation method thereof. The weight percentages of ach component of the transparent glaze are 10 percent to 35 percent of potassium feldspar powder, 8 percent to 25 percent of calcite, 8 percent to 10 percent of kaolin, 2 percent to 5 percent of quartz, 9 percent to 15 percent of calcined kaolin, 5 percent to 8 percent of burning talc, 3 percent to 5 percent of alumina, 1 percent to 3 percent of barium carbonate, 3 percent to 10 percent of transparent of fusion cake, 0.15 percent to 0.35 percent of methyl, 0.2 percent to 0.4 percent of tripolyphosphate and 15 percent to 30 percent of water. The weight percentage of the glaze material fineness is that the 250 meshes sieve residue is less than 0.15 percent. The technical process of the manufacturing method is as follows: the raw material enters the factory for testing, proportioning, ball milling, detecting, removing iron, sieving and storing in a storehouse for using. The sintering temperature of ball milled glaze slurry is 1200 DEG C to 1210 DEG C, and the sintering period is 50min to 65min. The application range of the invention is wide; the performance of the glaze material is good; the glaze surface is smooth and is not easy for producing chromatic aberration; the cost can be reduced by about 35 percent.

The invention discloses a cover glaze which is characterized in that: the constituents of the cover glaze are as follows by weight percentage: 90-96 percent of matte fusion cake, 4-6 percent of gas knife soil, 0.08-0.2 percent of sodium carboxymethylcellulose, 0.03-0.36 percent of industrial sodium tripolyphosphate, and 0.20-0.26 percent of ceramic dispergator, and water accounting for 20-26 percent of total proportion of the raw materials. The preparation process flows of the cover glaze are as follows: raw material incoming inspection--batching--ball milling--detection--deironing and sieving--decaying--warehousing and being sieved by 250 meshes of deironing oscillating screen. The ball milling time is 7-10 hours, and ball-milling glazeslip specific gravity is 1.4-1.9g/cm<3>, and the fineness is 0.6-1.0mm; the flowing speed of the ball-milling glazeslip is controlled above 55s. The cover glaze has the advantages of transparent and smooth performance, bright color and luster and wide market prospect.

The invention discloses a superfine polyester conjugate spinning component with creative design and simple structure, which comprises a slant hole plate, a radiation plate, a composite plate, a positioning pin and a spinneret plate; the difficulties are as follows: a boss of a discharge surface is provided with a star-shaped structure; the star-shaped structure is provided with a star-shaped diversion trench; the cross section of the bottom of the trench is designed into a rectangle with the chamfer angle of R0.03 to R0.05; the creative and simple design of the star-shaped structure and the chamfer angle at the bottom of the star-shaped diversion trench prevents flowing dead corners produced by fluid turbulent eddies, so that the fluidity of different types of polymer is greatly improved; therefore, the fabric made of the product spun by the spinning component is soft to touch, does not fuzz, has no color difference in dyeing, and very conveniently solves the technical difficulties of the industry which cannot be overcome.

The invention relates to a sirofil pure cotton elastic yarn and manufacturing and applications thereof. The pure cotton elastic yarns form a pure cotton coating structure by roving which forms a coating layer and spun yarns which forms a core layer through a sirofil spinning technology. The sirofil pure cotton elastic yarn is obtained by twisting and spinning roving and spun yarns in the same direction on a sirofil spinning frame, and finishing. Pure cotton fibers which do not have elasticity originally have natural elasticity after certain processing procedures and treatment, and the sirofil pure cotton elastic yarns replace conventional spandex elastic core-spun yarns used in an elastic jean fabric, so that technical problems of exposed cores, difficult weaving, and difficult control of breadth caused by using stretch yarns are prevented. The sirofil pure cotton elastic yarns are beneficial for enhancing stiff and smooth property of the elastic jean fabric and do not reduce fabric hand feeling. The invention provides a new yarn raw material for a conventional low-medium elastic jean fabric.

The invention discloses a fancy glaze and a preparation method thereof. The weight percentages of each component of the fancy glaze are 18 percent to 38 percent of potassium feldspar, 10 percent to 23 percent of calcite, 4 percent to 7 percent of talc, 3 percent to 7 percent of quartz, 4 percent to 10 percent of zirconium silicate, 2 percent to 5 percent of zinc oxide, 5 percent to 10 percent of alumina, 3 percent to 6 percent of barium carbonate, 6 percent to 10 percent of black mud, 0 percent to 0.3 percent of tripolyphosphate, 6 percent to 20 percent of water, 0 percent to 10 percent of squeegee oil and 0 percent to 10 percent of printing paste. The weight percentage of the glaze material fineness is that the 250 meshes sieve residue is 100 percent. The technical process of the method of manufacturing the fancy glaze is as follows: the raw material enters the factory for testing, proportioning, ball milling, detecting, removing iron, sieving and storing in a storehouse for using. The sintering temperature is 1195 DEG C to 1210 DEG C, and the sintering period is 50min to 65min. The application range of the invention is wide; the glaze surface is smooth; the sintering temperature range is wide; the chromatic aberration can not be produced easily; the finished product rate is high; the cost can be reduced by about 40 percent.

The invention discloses a manufacturing method for hot dipped steel plates excellent in blackening resistance and corrosion resistance. The manufacturing method comprises the following steps: increasing the oxygen partial pressure in an annealing furnace to 30-80 ppm when basic strip steel enters a preheating section of the annealing furnace, wherein the dew point of the preheating furnace is 0-50DEG C, the furnace pressure of the annealing furnace is 300-500 Pa, and the preheating temperature is 500-700 DEG C; controlling the dew point of a soaking section at 30 DEG C below zero to 30 DEG Cafter the basic strip steel enters the soaking section, wherein the hydrogen content in percent by volume is 15-25%; and finally, controlling the cooling speed at 20-100 DEG C/s for cooling, wherein the basic strip steel enters a zinc pot to produce Mg-containing hot dipped steel plates. Mg-enriched ternary eutectic phase sheets in coatings of the steel plates are small in interlayer spacing, relatively short and uniform in distribution, Mg-containing oxides are unlikely produced, and the hot dipped steel plates have high corrosion resistance and good blacken resistance. In a severe environment, the corrosion resistance of the coatings is 2-3 times of that of conventional hot dipped steel plates, or the corrosion resistance is even higher, and the quality of the surface tissues of the coatings is good.

The invention relates to a medical blue laser printing film and a preparation method. The medical blue laser printing film comprises a transparent PET base material, wherein a laser printing coating is arranged on the front surface of the transparent PET base material, and a blue antistatic layer is arranged on the back surface of the PET base material; the preparation method comprises the following steps: step 1, preparing the coating material of the laser printing coating; step 2, coating to form the laser printing coating: performing slope flow extrusion coating, heating with steam, drying, and enabling the drying temperature to reach 100 DEG C or above and the dry basis thickness of the coating to reach 10 micrometers; step 3, preparing the coating material of the blue antistatic layer; step 4, coating to form the blue antistatic layer: performing slope flow extrusion coating, heating with steam, drying, and enabling the drying temperature to reach 100 DEG C or above and the dry basis thickness of the coating to reach 2-2.5 micrometers. The medical blue laser printing film prepared by adopting the preparation method is suitable for high resolution laser printing, anti-adhering, low in friction coefficient, static resistant, high in adhesion capability, good in glossiness, blue and transparent in appearance, acid-base resistant, high in wear resistance, environment-friendly, simple and convenient in manufacturing method, and suitable for batch production.

The invention relates to the field of plastic mold foaming, and provides a coarse-pore EVA molded foaming material for the problem of non-uniform pores of the coarse-pore EVA molded foaming material.The coarse-pore EVA molded foaming material is prepared from the following components in parts by mass: 10 to 20 parts of an ethylene-vinyl acetate copolymer, 55 to 78 parts of high pressure polyethylene, 5 to 10 parts of a high temperature foaming agent, 3 to 10 parts of a medium temperature foaming agent, 0.5 to 1 part of a crosslinker DCP, 0.5 to 1 part of zinc oxide, and 0.3 to 0.8 part of stearic acid. A preparation method of the coarse-pore EVA molded foaming material comprises the following steps: S1, performing mixing to form a mixture; S2, performing one-time opening; S3, performing secondary opening; and S4, performing foaming. By using the high temperature foaming agent and the medium temperature foaming agent, the melting point of the foaming agent is different from the meltingpoints of the ethylene-vinyl acetate copolymer and the high pressure polyethylene, so that the foaming agent is not easily decomposed in the mixing process, and coarse pores of the EVA molded foamingmaterial are more uniform and do not easily have chromatic aberration; and meanwhile, the tensile strength and the anti-seismic property of the EVA molded foaming material are not easily affected.

The invention relates to a waveguide display device and augmented reality display equipment. The waveguide display device comprises a waveguide substrate, a geometrical optical input element and a diffractive optical output element, wherein the geometrical optical input element is arranged in the light wave input area of the waveguide substrate and is used for coupling input light waves into the waveguide substrate in a geometrical optical mode; the waveguide substrate is used for transmitting the light waves coupled into the waveguide substrate through the geometrical optical input element tothe diffractive optical output element in a total reflection mode; the diffractive optical output element is arranged in the light wave output area of the waveguide substrate and used for outputtinglight waves transmitted to the diffractive optical output element in a diffractive optical mode.

The invention relates to the field of spinning and weaving and particularly relates to a yarn spinning process of cotton polyester siro-spun AB yarns. The yarn spinning process comprises the following steps of: (1) prefabricating a blended drawing stripe; (2) a drawing procedure: taking 6 threads of A yarn prefabricated drawing stripes and one thread of B yarn prefabricated drawing stripe and preparing into the blended drawing stripe containing 88% of polyester and 12% of cotton; taking 4 threads of the blended drawing stripes and 4 threads of the B yarn prefabricated drawing stripes, and mixing according to a mutual separation manner to prepare AB yarn stripes, wherein in a drawing process, the back zone drafting multiple is set to be 1.75, the roller gauge length is 12mm*15mm and the vehicle speed is controlled to be 200m/min-220m/min; (3) a roving procedure; and (4) a spinning procedure. Compared with the prior art, the prepared siro-spun AB yarns have a relatively strong cloth hazy feeling and the cloth does not easily have color difference cross lines; prepared cotton polyester siro-spun AB gauze has good visual effect and aesthetic feeling.

The invention discloses a low-temperature pre-treatment method of a real silk textile. The low-temperature pre-treatment method comprises the following steps: (1) carrying out alkali liquid pre-treatment; (2) washing with warm water; (3) washing with cold water; (4) degumming with acidic protease; (5) carrying out counter-current washing in warm water; (6) sizing and airing. According to the low-temperature pre-treatment method disclosed by the invention, efficient degumming of the real silk textile can be realized at relatively low temperature, so that the quality in all aspects of the real silk textile can be improved.

The invention relates to the technical field of dyeing and finishing, in particular to a dyeing and finishing process of cellulose acetate fiber and protein fiber silk fabric. The dyeing and finishing process of the cellulose acetate fiber and protein fiber silk fabric comprises the following steps that S1, pretreatment is carried out; S2, a two-bath dyeing method is adopted for dyeing, the two-bath dyeing method is divided into two steps, the first step is that the protein fibers are dyed with reactive dye, and the second step is that the cellulose acetate fibers are dyed with disperse dye; S3, softening treatment is carried out; S4, drying treatment is carried out; and S5, shaping treatment is carried out. The cellulose acetate fiber and protein fiber silk fabric obtained through dyeing and finishing is not prone to generating color difference, uniform in color and luster, high in color fastness, not prone to decoloring, soft in hand feeling and comparable with real silk.

The invention discloses a plant light environment research method based on a PWM signal intensity adjustment technology, belongs to the field of plant light environment research methods, and providesthe plant light environment research method based on the PWM signal intensity adjustment technology. The method can adjust and control spectral composition, radiation intensity and radiation time within a certain range and can perform intelligent control. Researchers and experiment teaching personnel can adjust and control spectrum composition, illumination intensity of each spectrum section and illumination time length according to own test schemes, and various research and teaching requirements related to plant light environments are met. The device can be widely applied to various laboratories, teaching and scientific research test service platforms and test bases of agricultural disciplines, and light can be mixed through non-directional conduction of the light-guide fiber clusters andthen irradiate out through a protection lens, so that a test light source in the scheme is not easy to generate large chromatic aberration, and the test accuracy is not easy to influence.

The invention discloses a production technology of fiber cloth. The technology comprises four steps, namely, pretreatment, dyeing, water washing and aftertreatment; a dyeing technology comprises steps as follows: cloth is placed on a flat plate machine, colors are sprayed onto the cloth through movement of dyes; after the cloth is heated to a certain temperature, the temperature is kept, the cloth is washed with water, and the dyeing technology is finished. With the adoption of the production technology of the verdant viscose fiber cloth, components of an alkaline agent and the addition manner of the alkaline agent are adjusted, so that the probability of dyeing defects of grey cloth is decreased, and the production quality is improved.

By use of special blanking mechanism, many colored additional powder materials together with the main powder material are laid down on the blanking mechanism, then they are pushed to a pressing machine under the feeding mechanism to be pressed into blank body which is dried, calcined, polished into glazing brick products. Advantages include pattern close to natural stone, colors possessing obvious boundaries and also color with transition from natural boundary, color difference not easy to be produced in prodn. process, and high prodn. efficiency.