99results about How to "Not easy to layer" patented technology

The invention discloses a preparation method of a low-salt-permeability bipolar membrane, and belongs to the field of bipolar membrane preparation, aiming at the inherent characteristic that in a tape casting process, an anion membrane layer is difficult to form a cross-linked structure, the high selectivity of the anion membrane layer and a good middle interface layer formed by an anion membrane layer and an anion membrane layer are separately designed, and after the surface of an cation membrane layer is coated with a water dissociation catalyst, the cation membrane layer is separated from the anion membrane layer. Coating a negative film polymer solution to form a relatively thin negative film layer, then attaching a high-selectivity negative film, and fixing all the film layers together by using a hot melting process to form a whole body; the first anion membrane layer is a thin anion membrane layer formed by coating, the key point of the design is that the bipolar membrane is low in water dissociation voltage, the second anion membrane layer is a high-selectivity anion membrane layer, and the membrane layer ensures low salt permeation of the bipolar membrane; the positive membrane layer, the first negative membrane layer and the second negative membrane layer are all designed to be fused together through a hot melting process, and the prepared bipolar membrane has low salt permeability and low water dissociation voltage.

The present invention provides an FDY oil agent that can be directly oiled with crude oil and a preparation method thereof, the preparation method comprising: putting a sizing agent, an antistatic agent, an emulsifier, a phase change wear-resistant agent and a smoothing agent into a reactor; heating the reactor to 40°C to 60°C, turning on the stirring device of the reactor, and continuously stirring for 20min to 40min under heat preservation conditions to obtain the FDY oil agent; wherein the phase change wear-resistant agent is prepared by the following steps: using a raw material including paraffin to prepare an oil phase; using a raw material including ethyl orthosilicate to prepare an aqueous phase; using a raw material including polyol and isophorone diisocyanate, through an oil-in-water emulsification system, to prepare an emulsion; mixing the emulsion, the oil phase and the aqueous phase to prepare the phase change wear-resistant agent. The FDY oil agent of the present invention has good high temperature resistance and wear resistance.

The invention relates to a paper substrate bio-based high-barrier Pickering emulsion coating and a preparation method and application thereof, and belongs to the technical field of paper coatings, the prepared coating has excellent waterproof and oil-proof performance and is suitable for surface coating of substrates such as paper, the emulsion is prepared by taking glycerol as a plasticizer and chitosan as an oil-proof agent, and the emulsion is prepared by taking the chitosan as an oil-proof agent. The cellulose nanocrystal is used as an emulsifier, and the alkyl ketene dimer AKD and palm wax are used as an oil phase. After the emulsion is coated on the surface of paper, a high-barrier coating with a core-shell structure is formed, and the core-shell structure is clear through electron microscope observation; the hydrophobic angle of the coating can reach 130 degrees to the maximum, and the coating shows remarkable hydrophobicity and oil resistance. The coating is composed of bio-based materials, has the advantages of environmental protection and sustainability, is suitable for application requirements of degradable and green packaging, is simple in preparation process and excellent in performance, and can provide efficient barrier performance for paper packaging materials.

The invention discloses an insulating coating for an energy storage cabinet and a preparation method of the insulating coating, and relates to the field of coatings. The insulating coating for the energy storage cabinet comprises, by weight, 100 parts of modified acrylic emulsion, 10-15 parts of insulating filler, 4-8 parts of silane coupling agent, 3-4 parts of wetting agent and 20-30 parts of dispersing agent, and the modified acrylic emulsion is copolymerized emulsion of unsaturated fluorosilicone resin, alkyl acrylate and hydroxyl acrylate monomer. The unsaturated fluorosilicone resin is a reaction product of glycidyl ether propyl mono-terminated polydimethylsiloxane and 4-amino-3-fluoroallyl benzoate, and the unsaturated fluorosilicone resin is a reaction product of glycidyl ether propyl mono-terminated polydimethylsiloxane and 4-amino-3-fluoroallyl benzoate. The acrylic emulsion is modified by the specific unsaturated fluorosilicone resin, so that the problem that the insulating paint is easy to crack in an outdoor environment can be prevented. Meanwhile, the wettability of the insulating paint to a metal material can be improved, the adhesion firmness of the insulating paint and the energy storage cabinet can be improved, and the service life of the insulating paint can be effectively prolonged.

The invention discloses a preparation method of a nano-cellulose composite interlayer temperature-resistant flexible thermal insulation material, which comprises the following steps: S1, preparing a temperature-resistant flexible thermal insulation material by using inorganic fibers and a binder A; s2, dispersing nano cellulose fiber reinforced silicon dioxide aerogel powder into an inorganic binder B to form coating slurry; and S3, coating the surface of the temperature-resistant flexible thermal insulation material with the coating slurry, laminating the same temperature-resistant flexible thermal insulation material, compounding, and drying to obtain the interlayer temperature-resistant flexible thermal insulation material. According to the preparation method provided by the invention, the reinforced structure nano material is introduced into the silicon dioxide aerogel to support a high-pore structure of the aerogel, and collapse of the pore structure is reduced after compounding, so that the temperature-resistant flexible thermal insulation material with relatively long service life and relatively good thermal insulation performance is obtained.

The invention relates to the field of food seasonings, and discloses salad dressing containing dietary fibers and a preparation method of the salad dressing. The invention discloses salad dressing containing dietary fibers. The salad dressing is prepared from the following raw materials in parts by weight: 15-25 parts of egg white, 10-20 parts of yolk, 5-10 parts of vegetable oil, 18-24 parts of dietary fibers, 3-5 parts of a thickening agent, 2-4 parts of a sweetening agent, 3-5 parts of a flavoring agent, 0.03-0.06 part of a preservative and 30-40 parts of water. The dietary fiber consists of oat, konjac glucomannan and oligosaccharide in a weight ratio of (22-25): (1-2): (4.5-5.5); the preparation method comprises the following steps: whipping the egg white and the sweetening agent to prepare egg white cream; emulsifying egg yolk and vegetable oil to obtain an emulsion; preparing a mixture from the thickening agent, the flavoring agent, the preservative and the water; and emulsifying the emulsion, the protein cream, the dietary fibers and the mixture. The salad dressing prepared by the invention has relatively good taste and texture and good water-retaining property, and is not easy to layer and precipitate after being stored for a long time.

A diffusion brightness enhancement film structurally comprises an upper layer, a middle layer and a lower layer, the upper layer is of a diffusion prism layer structure, the middle layer is of a transparent base material layer structure, the lower layer is of a back coating layer structure, the diffusion prism layer is composed of a plurality of prism strips, cross section bodies of the prism strips are of isosceles trapezoid structures, and circular protruding structures are arranged on the waist portions of isosceles trapezoids. Meanwhile, the diffusion effect is achieved, and the brightness can be improved.

The invention relates to the technical field of thickening agents, in particular to a salt-resistant emulsion type fracturing fluid thickening agent and a preparation method thereof. The salt-resistant emulsion type fracturing fluid thickening agent comprises deionized water, a polymeric monomer, an oil solvent, an emulsifier, an initiator and a phase inversion agent, a preparation method of the salt-resistant emulsion type fracturing fluid thickening agent is simple and low in cost, all adopted raw materials are industrially pure, the preparation cost is reduced, meanwhile, the preparation method is simple and safe, and the salt-resistant emulsion type fracturing fluid thickening agent is suitable for industrial production. The prepared emulsion type fracturing fluid thickening agent is good in stability, not prone to layering, good in water solubility, convenient to apply to site construction, good in temperature resistance and salt resistance, high in batch uniformity of the obtained emulsion type fracturing fluid thickening agent product and convenient to popularize and use in a large range.

The invention belongs to the technical field of chemistry, and particularly relates to a water-based stable transdermal preparation based on a structural nanoemulsion and a preparation method of the water-based stable transdermal preparation. 1% to 10% of a polyether block copolymer; 5%-20% of a co-emulsion; 0.1% to 15% of an active ingredient; and the balance of deionized water. Through a compounding system of an amino acid surfactant and a gemini surfactant and in combination with the synergistic effect of a specific polyether block copolymer, a nanoemulsion drug delivery system with a stable structure is constructed. Through a compound system of the amino acid surfactant and the gemini surfactant and by combining the synergistic effect of the polyether block copolymer, a nano-emulsion drug delivery system with a stable structure is constructed, and the nano-emulsion drug delivery system has good long-term storage stability and temperature adaptability, is not easy to layer and is uniform in particle size distribution.

The invention relates to the technical field of printing ink, and discloses a preparation method of a water-borne epoxy resin binder and application of the water-borne epoxy resin binder in printing ink, water and nano titanium dioxide are added into a container, modified silicone oil is added after ultrasonic treatment, stirring and dispersing are carried out, then water-borne epoxy resin, a defoaming agent, a flatting agent and a thickening agent are added, stirring and uniform mixing are carried out, and the water-borne epoxy resin binder is obtained. The waterborne epoxy resin binder is obtained. The catechol structure of the modified silicone oil can be coordinated with the surface of the nano titanium dioxide, so that the surface coating modification of the nano titanium dioxide is realized, the agglomeration of the nano titanium dioxide is reduced, the dispersity of the nano titanium dioxide in a water-borne epoxy resin connecting material is improved, and the emulsion is free of precipitation and layering and very good in storage stability. The imino group contained in the modified silicone oil can be subjected to a curing reaction with the epoxy resin, so that a very good toughening effect is achieved, and meanwhile, the heat resistance and flame retardance of the epoxy resin are improved.

The invention discloses a liquid suspended amino acid selenium-rich foliar fertilizer and a preparation method thereof, the liquid suspended amino acid selenium-rich foliar fertilizer comprises the following raw materials by weight: 30-32 parts of amino acid, 14-15 parts of selenium fertilizer, 6-8 parts of calcium fertilizer, 5-7 parts of magnesium fertilizer, 2-4 parts of boron fertilizer, 1-2 parts of EDTA-Zn, 1-2 parts of EDTA-Fe, 1-2 parts of EDTA-Cu, 1-2 parts of EDTA-Mo, 0-0.1 part of a plant growth regulator, and 0-1 part of a wetting dispersant. 0-2 parts of an emulsifier, 0-1 part of a thickening agent and 31-34 parts of water. The foliar fertilizer disclosed by the invention is good in suspension property, uniform and stable, not only contains a certain amount of selenium element, but also contains a certain amount of amino acid and trace elements, and has certain effects on producing selenium-rich agricultural products and improving crop quality. The suspended amino acid leaf fertilizer is low in production cost, convenient to transport, simple to operate, free of pollution in the production process and environmentally friendly.

The application provides an oil-based multi-walled carbon nanotube slurry as well as a preparation method and application thereof. The oil-based multi-walled carbon nanotube slurry comprises 1-23% by mass fraction of multi-walled carbon nanotubes, 0.1-5% by mass fraction of sodium 4-styrenesulfonate, 0.5-35% by mass fraction of polyvinylidene fluoride and 57-98.4% by mass fraction of N-methylpyrrolidine. The multi-walled carbon nanotubes in the oil-based slurry are uniformly dispersed, and the multi-walled carbon nanotubes exist in a monodisperse form and are not prone to agglomeration. The oil-based multi-walled carbon nanotube slurry has stable physical and chemical properties, can be stored for a long time and is not prone to stratification. The oil-based slurry can be directly used in the homogenization process of the oil-based slurry, the multi-walled carbon nanotubes in the pole piece prepared after coating are uniformly distributed, the preparation process of the oil-based slurry is simple, the system temperature in the preparation process is constant and controllable, and the oil-based slurry can be prepared and applied on a large scale.

The invention discloses juicy blasting bead plant meat as well as a preparation method and application thereof. The plant tendons are added into the plant meat product, so that the plant meat is chewy as real meat, and the blasting beads are embedded on the plant tendons, so that the eating interestingness and the taste are improved. The Chinese prickly ash seed protein is used in the plant meat product for the first time, the Chinese prickly ash seed protein can enhance the stability of the emulsion, so that the emulsion is not easy to layer, and the Chinese prickly ash seed protein has natural biological activities such as oxidation resistance and antibacterial property, so that the use of chemical preservatives is avoided, and the nutritional value is also improved.

The invention discloses a silicon dioxide composite material with efficient thermal protection and wave-transparent performance for an antenna housing, and belongs to the technical field of high-temperature antenna housings and structural wave-transparent composite materials. The prefabricated body is prepared by a needling lamination process, and the defect that the interlayer mechanical property effect of a 2D fabric structure is not ideal is overcome. The efficient thermal protection and wave-transparent silicon dioxide composite material prepared by the preparation method disclosed by the invention is relatively excellent in comprehensive performance, relatively low in dielectric loss angle tangent value and dielectric constant and excellent in mechanical property, and is a novel multifunctional material. The method plays an important role in radio systems of aerospace crafts such as radomes, carrier rockets, airships, missiles and return satellites.

The invention provides a lead frame structure capable of enhancing plastic packaging binding force and a manufacturing method thereof, the lead frame structure comprises a plurality of lead frame units, each lead frame unit comprises a square base island and a plurality of pins arranged at the periphery of the base island, the base island is provided with a chip loading area used for loading a chip, and the chip loading area is provided with a plurality of pins arranged at the periphery of the base island. At least one side of the periphery of the chip loading area on the base island is provided with two adjacent grooves, the two adjacent grooves are separated by a connecting rib, the side wall of the connecting rib is provided with a through hole communicated with the two grooves, during packaging, a chip is adhered to the chip loading area and is connected with the pins through leads, and the chip loading area is provided with a plurality of through holes communicated with the two grooves. A plastic packaging material covers the base island, wraps the chip, is poured into the two grooves, and fills the through holes of the connecting ribs. By adopting the lead frame structure provided by the invention, the plastic packaging binding force can be enhanced, and the packaging reliability can be improved.

The invention relates to a structure for a cuff and a lower hem of a garment and a manufacturing method thereof.The structure comprises a structural layer, the structural layer is composed of a fabric layer, a bonding layer and a rubber band layer, and the two ends of the bonding layer are connected to the fabric layer and the rubber band layer respectively; the structure further comprises an elastic layer, and the elastic layer symmetrically wraps the structural layer at one end of the structural layer. The manufacturing method comprises the following steps: preparing materials, and manufacturing the structural layer; the elastic layer is connected with the structural layer; and quality detection and finished product arrangement. Through the application of the bonding layer and the reasonable configuration of the rubber band layer, the structure of the lower hem of the cuff is more stable, and layering, thread loosening or deformation are not prone to occurring. In the long-term use process, the good shape and performance can be kept, and the service life of the garment is prolonged. Through selection and treatment of materials of the structural layer and the elastic layer, the contact between the lower hem of the cuff and the human skin is softer and more comfortable, and friction and discomfort are reduced.

The present application relates to the technical field of gasket processing, and particularly relates to a gasket processing method, a gasket processing device and a gasket. First, the gap size of a target installation position of a gasket is measured, and then the preset thickness and the number of layers of a unit gasket to be processed are determined according to the maximum value of the gap size along the thickness direction of the gasket. The processing parameters of each layer of the unit gasket are obtained through a control module. The unit gaskets are stacked and bonded with each other and have the preset thickness. The material is simple and can meet the processing of different gaskets. The stepped gasket is processed according to layers to fit the non-flat gap and improve the cutting efficiency. The gasket to be processed is placed on a processing platform. The cutting module moves in the vertical direction with an integer multiple of the preset thickness as a moving unit, reduces the influence of the interlayer force on the gasket processing, and is in communication connection with the control module. After receiving and cutting each layer of the unit gasket of the gasket to be processed according to the processing parameters, the gasket to be processed is peeled to obtain the required gasket. The processing procedure is simple and has low difficulty, and the gasket quality is effectively improved.

The utility model discloses a flexible heating assembly suitable for an aircraft hyperbolic air inlet channel sewing and embroidering structure, and belongs to the technical field of aviation ice prevention and removal. The first composite structure layer (1), the electric heating fabric layer (2), the honeycomb reinforcing structure layer (3) and the second composite structure layer (4) are sequentially stacked. The electric heating fabric layer (2) comprises a base fabric, an electric heating wire and insulating fibers, and the electric heating wire is fixedly sewn on the base fabric through the insulating fibers to form a heating element (5). The utility model has the characteristics that the bearing performance is good, the heating rate is high, the structure is not easy to layer, and the heat distribution is uniform.

This invention discloses a hydrophilic organosilicon finishing agent and its preparation method, belonging to the field of textile auxiliaries technology. The finishing agent is prepared by compounding polyurethane-modified silicone oil and amide-modified polyether silicone oil at a mass ratio of 1:1~2, followed by emulsification with an emulsifier. The polyurethane-modified silicone oil is obtained by polymerizing a blocked polyurethane prepolymer with terminal epoxy polyether silicone oil and block silicone oil; the amide-modified polyether silicone oil is obtained by amidation reaction of terminal epoxy polyether silicone oil and polyether amine in the presence of organic acid. This invention, through the synergistic effect of the two-component compound, provides skeletal support and elastic recovery through polyurethane segments and a hydrophilic surface layer through amide groups, effectively solving the problem of balancing hand feel and hydrophilicity in nylon-spandex fabrics. The finished fabric hand feel rating can reach level 4 or higher, water droplet diffusion time can be as low as 0.9s, the emulsion has good stability, and it is not prone to oil drift, significantly superior to similar products on the market.

The invention belongs to the technical field of biomedical materials, and discloses a mechanically-enhanced integrated three-dimensional micro-nanofiber scaffold and a preparation method thereof. The preparation method comprises the following steps: carrying out electrostatic spinning on hydrophilic and hydrophobic high polymer materials to obtain a micro-nanofiber membrane, foaming by using a sol-containing foaming solution to obtain a three-dimensional micro-nanofiber scaffold, filling the sol, and freeze-drying to obtain the mechanically enhanced integrated three-dimensional micro-nanofiber scaffold. The three-dimensional micro-nano fiber material and the freeze-drying stent in the stent form a continuous integrated interpenetrating network structure, the integrity is good, layering is not prone to occurring, the mechanical property is remarkably enhanced, the stent has more excellent and controllable surface post-treatment characteristics, and particularly, the stent can be conveniently and rapidly endowed with multifunctionality through two-face anisotropic treatment. Meanwhile, during application, the thickness can be flexibly and conveniently regulated and controlled in a press fit mode, so that different medical requirements are met.

The present invention provides an embossed dust-free paper and a preparation method thereof, wherein the surface of the embossed dust-free paper is pressed with stripes, and the stripes are pressed by a mesh belt with protrusions. The embossed dust-free paper surface of the present invention is softer than the stripes pressed by a grooved roller, and the lateral softness of the product is significantly improved, the product has better fluffiness, has strong diffusivity, and thus obtains excellent dryness. The prepared diversion absorption integrated composite material not only takes into account the rapid absorption of liquid, but also the fibers quickly divert the liquid to the absorption layer, thereby achieving rapid liquid transfer and diffusion.

The present invention provides a nano-scale solid lipid carrier, a preparation method and cosmetics containing the same, which include 10% to 20% by weight of octanoyl salicylic acid, 10% to 30% of liquid lipids, 15% to 25% of solid lipids and 10% to 15% of surfactants, wherein the liquid lipids are selected from medium-chain fatty acid glycerides. The present invention prepares a nano-scale solid lipid carrier with high concentration of octanoyl salicylic acid, which has high stability, is not easy to delaminate, and has an embedding rate of more than 99.9%. When the carrier is used to prepare cosmetics, the cost can be significantly reduced, and smoother and better-textured cosmetics can be obtained.

The invention relates to the technical field of cosmetics, in particular to a ceramide dispersion composition as well as a preparation method and application thereof. The ceramide dispersion composition provided by the invention takes water as a solvent, and comprises the following components in percentage by mass: 0.25%-10.00% of ceramide and analogues thereof, 0.04%-0.5% of microfilament cellulose and 0.2%-8% of glycolipid. Ceramide has the characteristics of poor water solubility and difficulty in formulation. The microfilament cellulose and the glycolipid are compounded for a ceramide dispersion system for the first time, and under the combined action of the microfilament cellulose and the glycolipid, the obtained finished product is not prone to layering and good in stability.

The utility model discloses a decorative sheet with a bridging surface and a shoe, which comprise a decorative sheet substrate layer made of silica gel, and a front bridging surface layer and a back bridging surface layer are respectively and fixedly compounded on the front surface and the back surface of the decorative sheet substrate layer; the back bridging surface layer comprises a first bridging surface layer and a first substrate layer which are compounded, the front bridging surface layer comprises a decorative layer and a second substrate layer which are compounded, and both the first substrate layer and the second substrate layer are base cloth layers with microporous permeable structures; the front face and the back face of the decoration piece base body layer are integrally formed with the second base layer and the first base layer respectively, and the back face and the front face of the decoration piece base body layer in the molten state are infiltrated and permeated into micropore gaps of the first base layer and the second base layer respectively and solidified. And respectively fixing the first substrate layer and the second substrate layer on the back surface and the front surface of the decorative sheet substrate layer. The decorative sheet has the advantages of environmental protection, low cost, high adhesiveness, tear resistance, diversified surface texture and the like, and can be used as a decorative accessory of clothes, shoes and hats.

This utility model relates to the field of textile fabrics, and more particularly to a green and environmentally friendly fabric, comprising a reinforcing surface layer and an environmentally friendly base layer. A heat-melting yarn is disposed between the reinforcing surface layer and the environmentally friendly base layer. The environmentally friendly base layer is made of regenerated cellulose fibers. The top and bottom ends of the heat-melting yarn are fixedly connected to the reinforcing surface layer and the environmentally friendly base layer, respectively. The heat-melting yarn is woven from heat-melting fibers. The reinforcing surface layer is woven from fiber bundles, which include tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers. The tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers are bundled together to form a tight structure. This invention solves the technical problems of insufficient environmental performance and functionality in traditional fabrics.

The present application relates to the field of cosmetic raw materials, and more specifically, it relates to a high-content water-soluble idebenone suspension inclusion and a preparation method thereof. A high-content water-soluble idebenone suspension inclusion comprises: 5-10% idebenone, 1-3% emulsifier, 5-15% solubilizer, 0.01-1% preservative, 15-25% alcohol solvent, and the solvent is supplemented with the remainder; its preparation method is: step 1: mixing the alcohol solvent and the solubilizer to obtain solution A; step 2: mixing idebenone with solution A to obtain solution B; step 3: mixing solution B with the solvent, heating and boiling, and ultrasonically treating for 15-30 minutes under the condition of ultrasonic power of 1200-1400W to obtain solution C; step 4: adding preservative to solution C to obtain a finished product. The present application enables idebenone to have a good mixing effect in water-based products such as lotions and maintain long-term stability.

The present application discloses a dome, a diaphragm assembly, a sound-generating device, and an electronic device, wherein the dome includes two reinforcement layers and a damping layer disposed between the two reinforcement layers, wherein the reinforcement layer and the damping layer respectively contain a cross-linking agent, and the reinforcement layer and the damping layer are heated and cross-linked after being composited to form a chemical bond at the bonding interface between the damping layer and the reinforcement layer, and the damping layer and the reinforcement layer are connected by chemical bonds. The present application arranges a damping layer between the two reinforcement layers, and the reinforcement layer and the damping layer respectively contain a cross-linking agent, and the reinforcement layer and the damping layer are heated and cross-linked after being composited to form a chemical bond at the bonding interface between the damping layer and the reinforcement layer, thereby making the damping layer and the reinforcement layer more tightly connected and less prone to stratification. While providing sufficient rigidity, it also has a certain damping property, which can avoid the generation of split vibration during high-frequency vibration, make the frequency response curve smoother, and improve the sound effect of the sound-generating device.

The invention relates to the technical field of natural functional base material delivery systems, in particular to a lutein ester loaded Pickering emulsion as well as a preparation method and application thereof. The lutein ester-loaded Pickering emulsion provided by the invention has relatively high physical and chemical stability, is not easy to layer in a storage process, is relatively low in lutein ester content loss, and has relatively high bioavailability when being applied to an animal body; the emulsion effectively improves the problems of poor water dispersibility, poor storage stability, easy oxidative degradation and low bioavailability of lutein ester. In addition, the lutein ester-loaded Pickering emulsion also has the advantages of simple and efficient preparation method, easiness in industrial production, natural and safe raw materials and the like, and has a better application prospect in the fields of foods, feeds, medicines and the like.

The present invention relates to a super-fouling-resistant three-dimensional transparent glaze and a preparation process thereof, and belongs to the technical field of glaze preparation. The present invention modifies kaolin to change the surface structure and chemical properties of kaolin, thereby improving the compactness and permeability resistance of the glaze, effectively preventing the penetration and adhesion of stains, and the addition of silicon carbide and the subsequent solution intercalation modification combined with microwave radiation and roasting treatment make the crystal structure of the modified kaolin more stable, thereby enhancing the wear resistance and scratch resistance of the glaze; the present invention ensures the uniformity and fineness of the glaze components and the uniform coating of the glaze through ball milling, and adds water, sodium carboxymethyl cellulose and sodium tripolyphosphate as additives to improve the rheology and stability of the glaze, and then uses a magnetic iron remover to remove iron from the glaze, effectively avoiding the color spots and defects caused by iron oxidation in the glaze layer during the firing process, and improving the smoothness and aesthetics of the glaze layer.

The present invention provides a high-strength composite core paperboard and a manufacturing method thereof. The high-strength composite core paperboard comprises a surface layer, a bottom layer and a core layer located therebetween. The surface layer, the core layer and the bottom layer are bonded together by an adhesive. The bottom layer is made of bottom layer pulp, the core layer is made of core layer pulp, and the surface layer is made of surface layer pulp. The bottom layer pulp comprises OCC pulp and book pulp, the core layer comprises OCC pulp, and the surface layer comprises office waste paper pulp, book pulp, nano filler and cellulase. The present invention ensures good tightness and integrity among the surface layer, the core layer and the bottom layer through the mutual matching of the fibers contained in the surface layer, the core layer and the bottom layer, and the layers are not easy to be delaminated and have a large interlayer bonding force. In addition, nano fillers are added to the surface layer pulp to help fill the gaps between the fibers and enhance the density, strength and smoothness of the surface layer. A small amount of cellulase is also added to the surface layer pulp to remove tiny fiber hairs on the fibers, thereby improving the smoothness and brightness of the surface layer.