46results about How to "Good pearlescent effect" patented technology

The invention relates to the technical field of polymer materials, in particular to a high-gloss spraying-free ABS (acrylonitrile butadiene styrene) composite material with special effect and a preparation method thereof. The composite material comprises, by weight: 70-90 parts of ABS resin, 4.0-10 parts of a compatilizer, 5.0-10 parts of a toughener, 1.0-3.0 parts of white oil, 0.4-0.6 part of a composite antioxidant, 0.5-1.0 part of a lubricant, and 1.0-5 parts of pearl powder. The preparation method is simple, and the prepared ABS composite material has good mechanical properties, low aid emigration rate, significant pearl effect, smooth surface free of flow marks and scratch resistant, and long service life.

The invention discloses a weather-resistant pearl powder coating special for an aluminum material. The weather-resistant pearl powder coating is formed by binding bottom powder and pearl pigments according to the weight ratio of 100 to 0.003-10. The pearl pigments are weather-resistant pearl pigments. The weather-resistant pearl powder coating has the excellent advantages of being free of toxin, environmentally friendly, high in aluminum material adhesive force, high in boiling water resistance, mortar resistance and xenon arc aging resistance and the like; the coating has a beautiful bright pearl metal effect and can meet the requirements of all aluminum manufacturers for high adhesive force, good chemical resistance and excellent physical performance and other performance and appearance of special pearl powder.

The invention discloses a preparation method of a titanium dioxide nanosheet-diatomite composite photocatalyst. The method comprises the following steps: pretreatment: putting diatomite into a container, adding deionized water and concentrated hydrochloric acid, carrying out reflux reaction for 5 hours under magnetic stirring, carrying out vacuum filtration, respectively washing with deionized water and anhydrous ethanol three times until no chlorine ion exists, and carrying out vacuum drying at 100 DEG C to obtain pretreated diatomite; and preparation of photocatalyst: dispersing the pretreated diatomite in anhydrous ethanol, adding titanium tetraisopropylate, transferring into a teflon-lined hydrothermal reaction kettle, dropwisely adding hydrofluoric acid into the reactor, sealing the teflon-lined hydrothermal reaction kettle, keeping the temperature at 160-220 DEG C for 24-50 hours, filtering the reaction product, washing and drying to obtain the titanium dioxide nanosheet-diatomite composite photocatalyst. The complementation of the advantages of high dispersity and pearly luster of composite photocatalyst is achieved, and the formaldehyde degradation efficiency can be effectively enhanced.

The invention discloses a composition capable of enhancing pearlescent effect of a pearlescent pigment, and a preparation method and application thereof, and aims to overcome the technical defects of low powdering rate and severe coating separation in the pearlescent pigment in the prior art. The invention discloses a composition which is prepared from a pearlescent pigment, a surface modifier and a nano aid. The nano aid is selected from one or more of silicon dioxide clay, vapor-phase aluminum oxide and vapor-phase silicon dioxide. The invention discloses a preparation method of the composition. The invention also provides application of the composition or the product obtained by the preparation method in enhancing the pearlescent effect of the mica titanium pearlescent pigment in the powder paint. The test result proves that compared with the pearlescent pigment which is not subjected to surface treatment, the product obtained by the preparation method disclosed by the invention has higher powdering rate and obvious pearlescent effect after being mixed with the powder paint and subjected to electrostatic spraying.

The invention relates to a preparation method of composite powder, and in particular relates to a preparation method of Fe2O3 / BiOCl nano-composite powder. The preparation method aims to solve the technical problem that when Fe2O3 or BiOCl is separately applied to catalyzing organics and serves as a coating additive, the pearl effect is not obvious. The method comprises the following steps of: 1, dissolving bismuth nitrate in nitric acid, uniformly stirring, diluting with water to obtain a bismuth nitrate solution; 2, preparing an ammonia water solution; 3, preparing a bismuth hydroxide colloid; 4, preparing a ferric chloride solution; 5, dissolving polyethylene glycol in water to obtain a polyethylene glycol water solution; and 6, mixing the bismuth hydroxide colloid, the ferric chloride solution and the polyethylene glycol water solution, pouring the mixture into a hydrothermal kettle, holding the temperature and obtaining the Fe2O3 / BiOCl nano-composite powder after naturally cooling. The Fe2O3 / BiOCl nano-composite powder obtained by adopting the method is simple in synthesis process, low in cost and good in pearl effect and can be recycled when serving as a photocatalyst.

The invention relates to a printing process for mobile phone glass, in particular to a printing process for a mobile phone glass window. The printing process includes the following steps of A, first printing of a mirror-like silver logo layer, B, second printing of a pearly luster layer, C, third printing of three layers of white bottoms, and D, fourth printing of a matte black cover bottom layer. Ink colors of the mirror-like silver logo layer, the pearly luster layer, the three layers of white bottoms and the matte black cover bottom layer are in natural transition, the pearly luster effect of the pearly luster layer is highlighted through the three layers of white bottoms and the matte black cover bottom layer, and the pearly luster layer gives out metallic luster and has the serene, elegant and pearly effects through refraction of the ink layers; the total thickness of all the ink layers is only 19-33 <mu>m, and the good light permeability of the glass window is kept; moreover, due to the fact that a pearly luster pigment has a light receiving function, the light permeability of the glass window is improved, the pearly luster effect of the pearly luster layer is improved, different refracted luster effects at different angles are displayed, and layering and stereoscopic impression of patterns are shown.

The invention discloses a modified pearlescent pigment, a preparation method and application thereof, a plastic and a paint, and belongs to the technical field of pigments. The modified pearlescent pigment comprises a pearlescent pigment body and a resin matrix layer coating the surface of the pearlescent pigment body, and the resin matrix comprises a water-based high-molecular polymer. The modified pearlescent pigment has good compatibility and dispersibility in a water-based polymer material system, and shows a good pearlescent effect. The preparation method comprises the step of coating thesurface of the pearlescent pigment with the resin matrix to modify the pearlescent pigment. The method is simple, easy to operate, safe, environmentally friendly and convenient to control, and the prepared product is stable and reliable in quality. The pearlescent pigment is used for preparing plastic or paint, the plastic or paint with a good pearlescent effect can be obtained, and the pigment has a high powdering rate in the paint spraying process.

The invention discloses a novel pearly-luster ABS material. The novel pearly-luster ABS material is prepared from, by weight, 70-85% of ABS resin, 5-10% of pearlescent pigment particles, 5-10% of compatilizer, 0.5-1% of lubricant, 0.2-0.5% of antioxidant and 3-5% of flexibilizer. The components are evenly mixed in a high-speed mixer and a low-speed mixer, and are molten through a single screw extruder for extrusion and granulation. The pearly-luster ABS material produced through the processing method has a good pearly luster effect, and the mechanical performance is greatly improved compared with the prior art.

The invention discloses a versicolor interference color nacreous pigment and a preparation method thereof. The nacreous pigment has the following structure: a transparent or semitransparent slice is used as a substrate; a titanate absorption color coating, a transparent middle interlayer and a transparent titanium dioxide interference color coating are coated on the substrate in turn; the outer layer is coated with an outer protective layer; and the transparent middle interlayer is a silicon dioxide coating or an aluminum oxide coating. The interference color pigment is prepared by wet chemical coating technology; the pigment uses the transparent or semitransparent slice as the substrate; and after the titanate absorption color coating, the transparent middle interlayer and the transparent titanium dioxide interference color coating are coated on the substrate in turn, the interference color pigment is once formed by once calcination. The pigment has rich and bright color, has various versicolor effects from a reflected light visual angle to a deviated reflected light visual angle, and can be used in the fields of paint, ink, plastics, cosmetics formulation, decoration material, papermaking, glass and the like.

The invention discloses a spray-free pearlescent polypropylene alloy for bumpers and a preparation method thereof. The spray-free pearlescent polypropylene alloy is prepared from the following components in parts by weight: 48 to 72 parts of polypropylene, 8 to 12 parts of polyethylene, 15 to 30 parts of inorganic filler, 5 to 10 parts of toughener, 0.2 to 0.8 part of antioxidant, 0.2 to 0.5 partof light stabilizer, 0.1 to 0.5 part of pearl powder, 0.2 to 0.5 part of coupling agent and 0.2 to 1.0 part of color powder by mixing and extrusion granulation, wherein the modified pearl powder is pearl powder coated with a layer of fatty acid amide hydride. When the prepared polypropylene alloy is used together with a high-gloss mirror mold, high gloss and good pearl appearance can be obtained by direct injection molding without spraying. Compared with a spraying process, the spray-free pearlescent polypropylene alloy has the advantages that the cost is greatly reduced, and meanwhile scrap caused by paint removing in the use process of the product is avoided.

The invention relates to a synthetic method of fatty acid monoethanolamide, and belongs to the technical field of the synthesis of amide compounds in the organic chemistry. The synthetic method comprises the following steps of: using fatty acid methyl ester and monoethanolamine as raw materials, and carrying out an amidation reaction under the action of a catalyst to prepare the fatty acid monoethanolamide, wherein the mol ratio of the fatty acid methyl ester to the monoethanolamine is 1: (1.0-1.1); the catalyst of the synthetic method is sodium methoxide or potassium hydroxide; and the dosage of the catalyst is 0.5-1.0% of the total mass percent of the fatty acid methyl ester and the monoethanolamine. By using the synthetic method, the 1: 1 type fatty acid monoethanolamide is synthesized by adopting a one-step method; the process is simple; and the material cost is low.

The hair treatment composition, which is in the form a pearlescent product, contains a nonionic, amphiphilic associative thickener consisting of at least one hydrophobically modified aminoplast / polyether copolymer; a hair care active ingredient selected from the group consisting of cationic surfactants, zwitterionic surfactants, cationic polymers, cationic silicone compounds, amine-substituted silicone compounds, cationic derivatized proteins, cationic derivatized protein hydrolyzates and betaines; and a pearlescence or turbidity-inducing agent selected from the group consisting of fatty acid alkanol amides, fatty acid glyceryl esters, guanine, glycol fatty acid diesters, styrene / acrylate copolymers, polyethylene glycol fatty acid diesters, styrene / vinyl pyrrolidone copolymers and poly(trimethylammonium ethylmethacrylate chloride); in an aqueous cosmetic base. The composition is usable as a leave-in hair care composition or a hair rinse, which conditions the hair and imparts luster and volume to the hair.

The invention belongs to the field of production of BOPP films, and concretely relates to an ultrathin pearlescent film and a production method thereof. The pearlescent film comprises a surface layer1, a surface layer 2 and a core layer; the surface layer 1 comprises 97.0 wt% of HGX030 and 3.00 wt% of ABPP905, and the surface layer 2 comprises 97.5 wt% of T30S and 2.50 wt% of ABPP936; and the core layer comprises 62.6 wt% of a main material, 1.60 wt% of AS3030PP, 35.00 wt% of LG703T and 0.80 wt% of S2020PP. The pearlescent film obtained by biaxial stretching after co-extrusion of a three-layer structure has the advantages of excellent barrier property, good pearlescent effect, strong decorative property and excellent mechanical properties, can be used for high-end packaging of foods and the like, and has a broad market prospect.

The invention relates to a method for solving dust pollution caused by pearlescent pigment applied to ABS coloring. The method comprises the following steps: preparing ABS into an organic solution form, adding the pearlescent pigment, a chemical modifier and a stabilizer in the ABS organic solution, stirring and mixing uniformly to prepare a pasty composite component body, mixing the pasty composite component body and the solid ABS particles needing to be colored according to a ratio, and heating and mixing, wherein the liquid solvent in the pasty composite component body is gradually volatilized, the ABS in the pasty composite component body enables the surfaces of the solid ABS particles to be coated with the pearlescent pigment, the chemical modifier and the stabilizer, the coloring process of the solid ABS particles is completed, and the method can be directly applied to production of ABS injection-molded products.

The invention relates to the technical field of glass printing ink, and specifically relates to pearlescent printing ink used for glass and a preparation method of pearlescent printing ink. The pearlescent printing ink is prepared from the following components in parts by weight: 25 to 40 parts of rosin modified phenolic resin, 5 to 15 parts of water-soluble acrylic resin, 15 to 25 parts of hydroxyl fluoro-siloxane resin, 20 to 30 parts of pearlescent pigment, 15 to 35 parts of a connecting material, 30 to 40 parts of a solvent and 0.5 to 2.5 parts of a defoaming agent. Compared with the prior art, the dispersibility and the solubility of a resin system are improved through the connecting material and the solvent, the pearlescent printing ink has good mobility performance and dispersibility, meanwhile the viscosity of the mixed materials is controlled, the connecting material is not layered in the pearlescent printing ink and well moistens the pearlescent pigment, and the pearlescent performance and the lustrousness are improved, so that the prepared pearlescent printing ink has good printability and a full and thick pearlescent effect.

The invention discloses a preparation method of nanometer ZrO2 / BiOCl composite powder, relating to a method for preparing the nanometer ZrO2 / BiOCl composite powder through a hydrothermal method. The invention aims to solve the technical problems of complex preparation process, uneven contents of composite powder, high cost and poor thermal stability of single bismuth oxychloride during the preparation of pearlescent pigment composite powder coated by an oxide. The method comprises the following steps of: (1) dissolving bismuth nitrate into nitric acid, evenly stirring and then adding water for dilution to acquire a bismuth nitrate solution; (2) preparing an aqueous ammonia solution; (3) preparing bismuth hydroxide colloid; (4) preparing a zirconium oxychloride solution; (5) dissolving polyethylene glycol into water to acquire a polyethylene glycol solution; (6) mixing the bismuth hydroxide colloid, the zirconium oxychloride solution and the polyethylene glycol solution and pouring the mixture into a hydrothermal reactor and preserving the heat, and naturally cooling to acquire the nanometer ZrO2 / BiOCl composite powder. The preparation method of the nanometer ZrO2 / BiOCl composite powder is simple in synthetic process, low in cost, favorable in pearl effect of the composite powder and good in stability and is applied to the fields of primers for a car, cosmetics and paintings.

The invention discloses a composition capable of enhancing pearlescent effect of a pearlescent pigment, and a preparation method and application thereof, and aims to overcome the technical defects of low powdering rate and severe coating separation in the pearlescent pigment in the prior art. The invention discloses a composition which is prepared from a pearlescent pigment, a surface modifier and a nano aid. The nano aid is selected from one or more of silicon dioxide clay, vapor-phase aluminum oxide and vapor-phase silicon dioxide. The invention discloses a preparation method of the composition. The invention also provides application of the composition or the product obtained by the preparation method in enhancing the pearlescent effect of the mica titanium pearlescent pigment in the powder paint. The test result proves that compared with the pearlescent pigment which is not subjected to surface treatment, the product obtained by the preparation method disclosed by the invention has higher powdering rate and obvious pearlescent effect after being mixed with the powder paint and subjected to electrostatic spraying.

The invention discloses a pearlescent composition. In a total weight of 100 parts by weight, the pearlescent composition comprises 1 to 10 parts by weight of a pearlescent component and the balance ofa polyester component, wherein the pearlescent component comprises at least two of a polyolefin material, a silicone rubber material, a polymethylpentene material and a polymethyl methacrylate material. The pearlescent composition provided by the invention comprises two or more of the pearlescent materials, and can improve the chroma and gloss of a prepared pearlescent container under the limitation of the existing usage. In addition, when the pearlescent composition comprises three or more of the pearlescent materials, the chroma and gloss can be further improved, and if the pearlescent component comprises the silicone rubber material, the chroma and the gloss of the prepared pearlescent container can be improved, and simultaneously, the pearlescent container is endowed with smoother sense of touch.

The invention discloses a high-performance pearlized film. The pearlized film comprises, by weight, 100 parts of polypropylene resin, 0.1-5 parts of zinc stearate, 0.1-2 parts of white oil, 0.1-5 parts of antioxidant and 20-50 parts of superfine calcium carbonate. The invention further discloses a preparation method of the high-performance pearlized film. The high-performance pearlized film is high in strength, good in pearlizing performance, low in cost and quite wide in market prospect.

The invention provides a novel high-gloss environmentally-friendly paper dye and a preparation method thereof, and relates to the technical field of paper dyes, wherein the novel high-gloss environmentally-friendly paper dye is prepared from the following raw materials: modified starch, nanometer titanium dioxide, a polyvinyl alcohol resin, a pearlescent pigment, carboxymethyl cellulose, xanthan gum, a thickener, an anti-foaming agent, and deionization water. According to the present invention, the novel high-gloss environmentally-friendly paper dye has characteristics of health, environmentalprotection, stable chemical property, safety, reliability, convenience and practicality, can be stably stored for a long time, does not contain formaldehyde and volatile organic substances, and is beneficial to human health; and with the application of the dye in paper surface printing, the paper surface is beautiful, smooth, delicate, good handfeeling, natural and straight, the dyed paper does not easily fade after being used for a certain time, and has good stability, and the paper further has advantages of good pearlescent effect, high gloss and good color fidelity.

The invention belongs to the technical field of chemistry, and especially relates to a hydrolysis automatic control system. The hydrolysis automatic control system solves the problem of unreasonable designs in the prior art. The hydrolysis automatic control system comprises a reaction chamber for placing raw materials and a hydrolysate injection device for injecting hydrolysate into the reaction chamber. A balanced stirring mechanism for stirring the hydrolysate in the reaction chamber and a pH detection mechanism for detecting the pH value of hydrolysate are arranged in the reaction chamber. The hydrolysis automatic control system has the following advantages: (1) the design is more reasonable, the stirring is more uniform, and after hydrolysis, coated mica has the advantages of uniform color and luster, high glossiness, and good pearlescent effect; (2) the production is automatic, during the hydrolysis process, the injected material is precise, at the same time, the labor force is saved, and the production cost is reduced.

The invention relates to the technical field of modified plastics, and discloses a spraying-free high-gloss plastic for household appliances and a preparation method of the plastic. The preparation method comprises the following steps: (1) mixing mica powder and glass powder, and performing ball milling to obtain composite pearl powder; (2) dispersing the composite pearl powder and tetrabutyl titanate into water to obtain composite wet gel; (3) adding porous inorganic microspheres into the composite wet gel, and adhering and inlaying the mica powder and the glass powder on the surfaces of theinorganic microspheres by the generated titanium dioxide to obtain composite pearlescent microspheres; and (4) performing high-speed mixing on the composite pearlescent microspheres, ABS resin, talcumpowder, a lubricant, an antioxidant and a toughening agent, and performing extrusion granulation to prepare the spraying-free high-gloss plastic. The surface of the prepared modified ABS plastic hasextremely high glossiness, and high-gloss paint does not need to be sprayed after injection molding, so that the defects of poor adhesiveness and poor glossiness of a coating in surface coating modification are overcome.

The invention discloses a production process of a glass cover plate of a washing machine. Comprising the following steps: (1) melting raw materials: uniformly mixing waste glass, quartz sand, borax, limestone and sodium carbonate, and then heating and melting to obtain molten liquid; (2) molding and cutting: cooling the molten liquid to obtain molded glass, and cutting the molded glass into the required size; (3) annealing: placing the formed glass in an annealing furnace, heating to 850-900 DEG C, keeping for 2-3 hours, then rapidly cooling to 560-650 DEG C, keeping for 1-1.5 hours, and then rapidly cooling to room temperature to obtain finished glass; and (4) post-treatment: printing the finished glass for many times to finally obtain the glass cover plate. According to the production process, the waste glass is adopted as the raw material, the raw material cost is saved, the waste glass, the quartz sand, the borax, the limestone and the sodium carbonate serve as the raw materials, annealing operation is performed after melting and cutting, the strength of the glass can be improved, and the glass is suitable for being used as the cover plate.

The invention discloses a water-based pearlescent medium suitable for PVC wallpaper printing ink. The water-based pearlescent medium suitable for PVC wallpaper printing ink comprises, by mass, 40-50%of a modified waterborne polyurethane resin, 30-35% of water, 0.1-0.3% of a pH regulator, 1-2% of an antifoaming agent, 4-6% of a wetting leveling agent, 5-8% of a coalescing agent, 4-6% of a retarder, 2-3% of a surfactant and 1.2-2.5% of a thickener, the sum of the contents of all above components is 100%, the surfactant is an anionic surfactant, the main component of the anionic surfactant is sodium decyl ester sulfonate, the retarder is propylene glycol, and the pH value of the above solution is 8-10.5. The invention further provides a preparation method of the water-based pearlescent medium suitable for the PVC wallpaper printing ink. The product with a strong pearlescent effect is obtained through the above formula and the preparation method by selecting a routine common pearlescent powder without individually chemically reacting and processing the pearlescent powder raw material, so the universality and the practical quantification are effectively improved.

The invention relates to the field of dye preparation, and particularly discloses an acid dye and a preparation method thereof. The acid dye is prepared from the following raw materials of, in parts by weight, a ground color dye, an auxiliary agent, water, a thickening agent, a dispersing agent and modified mica sheet microcapsule particles, wherein the wall material of the modified mica sheet microcapsule particles is mainly prepared from rosin and a light diffusion agent, and the core material is mainly prepared from modified mica sheets. The preparation method comprises the following stepsof weighing the ground color dye, the auxiliary agent and a part of water, and stirring to obtain a primary mixture; weighing the thickening agent and the balance of water into the primary mixture, and stirring to obtain a mixture; and weighing the dispersing agent and the modified mica sheet microcapsule particles, putting the dispersing agent and the modified mica sheet microcapsule particles into the mixture, stirring to obtain acid dye liquid, drying and crushing to obtain an acid dye finished product. The acid dye has the advantages of pearly luster and high pearly luster washing fastness.

The invention provides an electroplating pearl nickel additive, an electroplating pearl nickel solution and an electroplating method, and belongs to the technical field of pearl nickel. The electroplating pearl nickel additive contains organic dicyanamide radical anions, and is suitable for a full sulfate plating solution and a watt plating solution. The electroplating method is different from anemulsifier method, commonly used nowadays, for preparation of pearlescent nickel, the solution is not required to be heated to the cloud point, no emulsion is formed, and the plating solution is morestable. In the full sulfate plating solution, the additive amount of dicyanamide salt is 1.0 g / L-6.0 g / L, and the white pearlescent nickel can be obtained in the working temperature range of 40 DEG C-60 DEG C; in the watt plating solution, the additive amount of dicyanamide sodium is 0.5 g / L-3.0 g / L, and the working temperature range is 40 DEG C-60 DEG C; and the type of the additive is simple, preparing and monitoring are easy, pearlescent performance on the surface of a plating is good, and adhesion with a substrate is good.

The invention relates to a method for solving dust pollution caused by pearlescent pigment applied to ABS coloring. The method comprises the following steps: preparing ABS into an organic solution form, adding the pearlescent pigment, a chemical modifier and a stabilizer in the ABS organic solution, stirring and mixing uniformly to prepare a pasty composite component body, mixing the pasty composite component body and the solid ABS particles needing to be colored according to a ratio, and heating and mixing, wherein the liquid solvent in the pasty composite component body is gradually volatilized, the ABS in the pasty composite component body enables the surfaces of the solid ABS particles to be coated with the pearlescent pigment, the chemical modifier and the stabilizer, the coloring process of the solid ABS particles is completed, and the method can be directly applied to production of ABS injection-molded products.

The invention belongs to the field of surface treating agents, and specifically relates to a surface treating agent of a pearlescent BOPP film. The surface treating agent comprises the following raw materials in parts by weight: 2-4 parts of water-based ylate emulsion, 0.5-1.5 parts of water-based anionic polyurethane dispersion, 1.2-2.5 parts of a curing agent, 0.1-0.3 part of ammonia water, 0.02-0.05 parts of a wetting agent, and 6-10 parts of water. The invention further discloses a preparation method of the surface treating agent. According to the water-based double-component BOPP surfacetreating agent, a film and flexible paint film can be formed after crosslinking and curing of the BOPP film surface, and the paint film is outstanding in adhesion force, water resistance and chemicalsresistance; the pearlescent BOPP film surface can be modified, and the BOPP film pearlescent luster can be shielded, so that the glossiness of the product can be reduced.

The invention provides a novel preparation method of fluoro-bismuth oxychloride. The method comprises the following steps: adding a saline solution containing fluorine, chlorine and bismuth as well as a sodium hydroxide solution into a reaction system consisting of concentrated hydrochloric acid and a surfactant; after the saline solution containing the fluorine, the chlorine and the bismuth is added into the reaction system, rapidly adding the sodium hydroxide solution in order that the pH value of the solution of the reaction system is 10; standing the solution for delaminating, and removing a supernatant; and washing an obtained solid through deionized water to obtain a fluoro-bismuth oxychloride sheet crystal. The fluoro-bismuth oxychloride sheet crytal has regular squares and regular octagons which are arranged orderly, and has excellent chemical stability as well as superior weather resistance and temperature resistance; and the effects of shielding force, brightness and the like of the crystal are improved effectively, and a fluoro-substitution proportion can be controlled according to different demands. The fluoro-bismuth oxychloride sheet crystal is low in the preparation cost and has high pearl performance, and the preparation method is easy and convenient to operate.