98 results about "Tio2 particle" patented technology

The invention provides a high-temperature-resistant and corrosion-resistant ammonia water nozzle coating and a preparation method thereof, and belongs to the field of coatings. The ammonia water nozzle coating is composed of a self-repairing metal ceramic bonding layer, an organic-inorganic hybrid corrosion-resistant layer and a functional surface layer which are sequentially arranged in a stacked mode. A coating of the self-repairing metal ceramic bonding layer is composed of the following components of 90-99 parts of NiCrAlY alloy and 1-8 parts of self-repairing microcapsules. A coating of the organic-inorganic hybrid corrosion-resistant layer is prepared from the following components: 40 to 60 parts of fluorinated polyurethane prepolymer, 20 to 40 parts of silicon-aluminum sol, 1 to 8 parts of disulfide bond modified epoxy resin and 10 to 20 parts of magnesium-aluminum hydrotalcite; the coating of the functionalized surface layer is prepared from the following components: 20 to 30 parts of stearic acid modified TiO2 particles, 60 to 80 parts of waterborne polyurethane and 2 to 7 parts of ionic liquid modified SiO2 nanoparticles. The corrosion resistance, the high temperature resistance and the self-repairing capacity of the ammonia water nozzle are improved at the same time.

The invention belongs to the technical field of airflow film preparation, and particularly relates to a surface-modified sunlight response photocatalytic airflow film and a preparation method thereof. When the Fe-TiO2-g-C3N4 surface modified sunlight response photocatalytic air flow film is prepared, firstly, a Fe-TiO2-g-C3N4 photocatalytic material is obtained through calcination in a muffle furnace, then a Fe-TiO2-g-C3N4 suspension is obtained through ultrasonic treatment, the suspension is vacuumized and filtered to the surface of the air flow film, and the Fe-TiO2-g-C3N4 surface modified sunlight response photocatalytic air flow film is obtained. The Fe-TiO2-g-C3N4 surface modified sunlight response photocatalytic air flow film is prepared through interfacial polymerization. The airflow film prepared by the invention widens the response of TiO2 in a sunlight area, reduces the compounding probability of electron-hole pairs, and improves the photocatalytic performance of the material. Meanwhile, aggregation of TiO2 particles is inhibited by adding Fe < 3 + >, the photocatalytic reaction rate is increased, and the photocatalytic membrane has greater advantages in further development and application in the future.

The invention discloses a preparation method and application of a mesoporous TiO2 / CNQDs-OH composite photocatalyst, and belongs to the technical field of nano photocatalytic materials. The preparation method comprises the following steps: firstly, preparing TiO2 particles with a uniform mesoporous structure by adopting a crystal-driven single gel process assembly method, and then directly mixing a carbon nitride precursor, hydroxyl-rich saccharides and mesoporous TiO2 according to a ratio and firing to obtain the mesoporous TiO2 / CNQDs-OH composite photocatalyst. The mesoporous TiO2 / CNQDs-OH composite photocatalyst has high specific surface area, high hydrophilicity and strong interfacial force, realizes high carrier transfer and separation efficiency without depending on noble metals, and is a stable, efficient, green and environment-friendly photocatalytic system. The preparation method has the advantages of prominent economy, simple preparation process, environmental protection, good photocatalytic performance and the like, and is easy for large-scale production.

The invention relates to a preparation method of a high-content titanium dioxide fiber and hidden sweat stain knitted fabric. The preparation method comprises the following steps: firstly, carrying out primary hydrophobization treatment on TiO2 particles through silane coupling KH-550; a block copolymer PEO-PPO-PEO dispersing agent is introduced, so that agglomeration of the powder is inhibited; directly introducing the TiO2 subjected to surface modification treatment into a polyester polymerization system to prepare polyester with ultrahigh TiO2 content; pOY (polyester pre-oriented yarn) is spun by polyester, and 50D / 36F DTY and 75D / 36F DTY with ultrahigh TiO2 content are prepared by elasticizing; two types of tuck stitch fabrics and one type of single jersey stitch fabrics are developed. The super-high TiO2 + tuck stitch is adopted, the high refractive index (2.4-2.9) of nano TiO2 can scatter visible light, reduce the optical contrast ratio of sweat stains and a fiber matrix and ensure smooth air circulation of the fabric, so that the fabric has excellent moisture absorption and quick drying performance, moisture can be quickly evaporated, the air permeability and wicking effect of the fabric are improved, and the fabric has good moisture absorption and quick drying effects. Water vapor on the inner side of the fabric can be rapidly conducted to the outer side of the fabric, and a good sweat stain hiding effect is achieved.

The invention discloses a single-layer Janus fiber membrane with pore and wettability double gradients and a one-step electrospinning preparation method of the single-layer Janus fiber membrane, and belongs to the technical field of electrostatic spinning functional fiber materials. According to the method disclosed by the invention, polyacrylonitrile (PAN) has weak hydrophilicity, and hydrophobic modification and hydrophilic modification of the PAN fiber membrane can be realized by respectively adding fluorinated titanium dioxide (F-TiO2) particles and tannic acid (TA); gradient regulation and control of pores are realized by regulating and controlling the concentration of the PAN spinning solution. The method comprises the following steps: S1, mixing F-TiO2 particles with PAN to obtain a spinning solution A; s2, mixing TA and PAN to obtain a spinning solution B; s3, the spinning solution A and the spinning solution B are sequentially sucked into the same injector, and a pre-spinning solution C is obtained; and S4, preparing the single-layer fiber membrane through electrostatic spinning. The fiber membrane has a pore / wettability double-gradient structure, shows excellent one-way moisture conduction performance, and has wide application prospects in the fields of personal protection masks, outdoor sportswear and the like.

The present invention belongs to the field of photocatalytic degradation of polluted wastewater and relates to a method for preparing a multi-scale titanium dioxide fiber / carbon nanotube film composite photocatalyst. The method comprises the following steps: while drawing a carbon nanotube array, preparing TiO2 fibers on its surface by microemulsion electrospinning to obtain the multi-scale TiO2 fiber / carbon nanotube film. The multi-scale TiO2 fiber / carbon nanotube film provided by the present invention not only solves the problem of poor mechanical properties of carbon nanotube (CNTs) membranes prepared by methods such as filtration by drawing multi-walled carbon nanotubes (MWCNTs), but also overcomes the problems of TiO2 fibers being brittle and difficult to recycle by loading TiO2 fibers on the CNTs membrane. In addition, the method of preparing TiO2 fibers by electrospinning replaces the method of depositing TiO2 particles on the CNTs membrane, solving the problems of easy shedding of TiO2 particles, high preparation cost, and complex process.

A high infrared reflectance Cu-TiO2 composite coating and its preparation method are disclosed. The method involves mechanically ball-milling Cu powder and TiO2 powder, wherein the TiO2 mass percentage is 10%–20%. The mixed powder is then deposited onto the substrate surface using cold spraying, preferably with a Ti buffer layer. This invention utilizes the dispersion strengthening, optical synergistic enhancement, and chemical barrier effect of TiO2 particles in the Cu matrix to improve the coating's hardness and wear resistance while simultaneously increasing infrared reflectance. Experiments show that when Cu:TiO2 = 85:15, the coating achieves an absolute infrared reflectance of 94.02% in the 1900–2300 nm wavelength band, higher than pure Cu coatings and existing cold-sprayed Ag and Al coatings. Furthermore, the coating is dense and oxidation-free. This invention features a simple process and low cost, making it suitable for applications such as solar collectors, infrared reflectors, and optical devices.

The present invention relates to the use of TiO2 particles supporting a metal and / or a metal oxide for obtaining alkenes by photocatalysis. The present invention also relates to a method for obtaining alkanes by photocatalysis of a carboxylic acid and / or an alcohol in the presence of a catalyst based on TiO2 particles supporting a metal and / or a metal oxide.

The invention relates to the technical field of photocatalytic ozonation coal chemical industry wastewater treatment, in particular to a preparation method and application of a soapstone / TiO2 particle composite catalyst with a mesoporous-macroporous two-stage aperture structure, and the method comprises the following steps: adding an ethanol solution of butyl titanate into a viscous turbid liquid of alginate and soapstone, uniformly mixing, and then adding an ethanol solution of titanium dioxide into the viscous turbid liquid of alginate and soapstone; a catalyst precursor sol solution is obtained; dropwise adding the catalyst precursor sol solution into a polyvalent metal salt solution to prepare spherical gel of soapstone and butyl titanate sol; and carrying out acid leaching, drying and calcining on the spherical gel of the soapstone and the butyl titanate sol to obtain the soapstone / TiO2 particle composite catalyst of which the surface is of a mesoporous-macroporous two-stage aperture structure and the interior is honeycomb-shaped. The soapstone and the butyl titanate sol are compounded by adopting an alginate template method, a mesoporous-macroporous hierarchical structure is formed on the surface of the catalyst, a honeycomb shape is formed inside the catalyst, the porosity and the catalytic activity of the catalyst are improved, and the catalyst still keeps relatively high catalytic activity and physical and chemical stability after being recycled for multiple times, so that the catalyst has a good application prospect. The method is suitable for fields of environmental protection and sewage treatment.

To provide titanium oxide particles with few coarse particles and excellent homogeneity and dispersibility, a method for their production, and a slurry, a dispersion, a composition and a dielectric starting material that comprise the titanium oxide particles.SOLUTION: The titanium oxide particles are such that D90 (LD) / D50 (LD) of the titanium oxide particles as measured by laser diffraction / scattering analysis is greater than 1.0 and less than or equal to 2.0, and the concentration of coarse particles whose primary particle size exceeds 16 times D50 (SEM) of primary particles as observed under a field emission scanning electron microscope is 20 ppm or less (based on the number of particles). For their production, a source gas and oxidizing gas are introduced into a reaction tube and reacted, where a blowing outlet of a purge medium is provided on the inner wall of the reaction tube, and where the blowout angle of the purge medium and the blowout flow velocity (B) of the purge medium from the inner wall of the reaction tube are introduced such that the purge medium swirls along the inner wall of the reaction tube.SELECTED DRAWING: Figure 1

This invention relates to the field of nickel electrode paste preparation technology, and discloses an ultrafine roller-printed nickel paste for ultra-high capacitance MLCCs and its preparation method. The nickel paste includes nickel powder, Ni3Sn-coated nickel powder, diffusion barrier phase, resin, solvent, dispersant, and rheology modifier. The Ni3Sn-coated nickel powder is obtained by chemical plating, where Sn is bonded to Ni in the form of an intermetallic compound. The diffusion barrier phase is selected from nano-ZrO2 or TiO2 particles. After pre-dispersing each solid component with a portion of the dispersant and solvent, the mixture is ground and dispersed using a gradient grinding process, then mixed with an organic carrier to form a paste. After vacuum degassing and filtration, the nickel paste is obtained. This invention uses Ni3Sn-coated nickel powder to replace elemental Sn powder, inhibiting the formation of a dense SnO2 passivation layer. Combined with the blocking effect of the diffusion barrier phase at the grain boundaries and the protection of the coating layer integrity by the gradient grinding process, this invention solves the problem of long-term reliability degradation of MLCCs caused by Sn storage.

The application discloses a display screen functional film and a preparation method and application thereof, and belongs to the technical field of functional film materials. The method comprises the following steps: S1, SiO2 nanoparticles, ethanol, acetonitrile, polyvinylpyrrolidone and deionized water are mixed, and ultrasonic dispersion is carried out to obtain a dispersion liquid; tetrabutyl titanate is slowly added into the dispersion liquid, heating and stirring are carried out, and washing, drying and annealing are carried out to obtain SiO2@TiO2 particles; the SiO2@TiO2 particles, an epoxy-containing silane coupling agent and methanol are mixed, heating and stirring are carried out, and washing, drying and annealing are carried out to obtain modified SiO2@TiO2 particles. S2, the modified SiO2@TiO2 particles, 4,4'-diamino diphenyl sulfone and a leveling agent are dispersed in methyl isobutyl ketone, mixing is carried out, ultrasonic defoaming is carried out, and a coating is obtained; the coating is uniformly coated on an optical film, and the functional film with good light transmission, ultraviolet resistance and hydrophobicity is obtained after temperature rising and drying.

To provide a water-in-oil type emulsion cosmetic composition which has high dispersibility of metal oxide particles in a liquid oil, is less likely to cause caking, and has strong high-temperature stability even when no silicone oil is used or only a small amount of a silicone oil is used.A water-in-oil type emulsion cosmetic composition includes the following components: surface-treated zinc oxide particles, surface-treated titanium oxide particles, polyhydroxystearic acid, polyricinoleic acid polyglycerol ester, an organically modified clay mineral, an aqueous component, and a liquid oil, wherein a content of the polyhydroxystearic acid is less than 1.0 mass %, and a content of the aqueous component is less than 15 mass %.

A silicone coating film provided as a surface layer of an irradiated object exposed to ultraviolet irradiation, includes a silicone rubber as a base material and titanium oxide particles with an average particle size of less than 100 nm. A laminated structure includes a first layer including a silicone rubber as a base material, and a second layer laminated on the first layer, wherein the second layer is the silicone coating film.

An asphalt-based sealcoat composition comprising high levels of titanium oxide particles is provided. In some embodiments, a highly solar reflective asphalt-based sealcoat composition comprising high levels of titanium oxide particles is provided. In some embodiments, an asphalt-based sealcoat composition capable of reducing pollutants comprising high levels of titanium oxide particles is provided. In some embodiments, methods for preparing asphalt-based sealcoat compositions as well as their application to asphalt surfaces is provided.

The invention relates to a super-hydrophilic-antistatic integrated inorganic nano photovoltaic body effect coating as well as a preparation method and application thereof.The coating is prepared from the following raw material components in percentage by mass: 30%-50% of an inorganic nano base material, 15%-25% of composite nanoparticles, 3%-8% of an antistatic agent, 1%-3% of a dispersing agent, 2%-5% of a curing agent and the balance of deionized water; the inorganic nano base material is a compound system of silica sol and aluminum sol, and the mass ratio of the silica sol to the aluminum sol is (3-5): 1; the composite nano particles are a mixture of nano SiO2 particles and nano TiO2 particles, and the mass ratio of the nano SiO2 particles to the nano TiO2 particles is (2-4): 1. The coating not only realizes synergistic improvement of super-hydrophilicity and antistatic performance, but also can adapt to domestic nanoparticles; in the application of high-pollution and low-dip-angle photovoltaic modules, the dust residual rate is smaller than or equal to 5%, the power generation capacity of the modules is increased by larger than or equal to 3%, no yellowing or cracking occurs through 1500h aging tests, and the effective service life is larger than or equal to 6 years.

The invention discloses a solarization-resistant polyester fiber and a preparation method thereof.The solarization-resistant polyester fiber is obtained by finishing polyester fiber through a composite finishing agent, and the composite finishing agent is prepared from, by weight, 0.1-1 part of graphene oxide, 1.75-7.0 parts of composite coating TiO2 particles and 2.5-10 parts of 3-methacrylamide dopamine. And 75 to 300 parts of deionized water. According to the invention, the polyester fiber is modified by adopting the composite finishing agent, and a modified protective film layer is formed on the surface of the polyester fiber, so that the polyester fiber with greatly improved solarization resistance is obtained; through treatment of the composite finishing agent, the anti-ultraviolet performance and the anti-aging performance of the polyester fibers can be remarkably improved, and through the self-repairing performance provided by the formed modified protective film layer, the solarization resistance can be further enhanced.

The application belongs to the field of inorganic functional materials, and particularly relates to a TiO2 film with lotus leaf surface structure and a preparation method thereof. The TiO2 film with lotus leaf surface structure is composed of dispersed sub-micron-sized TiO2 microspheres and a continuous film matrix, and the dispersed TiO2 microspheres are locally inlaid in the film matrix; the TiO2 microspheres are composed of nano-sized TiO2 particles. The TiO2 film with lotus leaf surface structure is prepared by using a sol containing tetra-n-butyl titanate complex and TiO2 colloidal particles as a precursor, and through phase separation of a sol liquid film formed by one-step dip-coating in a solvent evaporation process. The size and distribution density of the TiO2 microspheres on the hierarchical structure surface can be conveniently controlled by controlling the content of the TiO2 colloidal particles in the sol system.

The present invention describes a method for the realization of an antimicrobial membrane based on electrospun polydimethylsiloxane fibers (ROMS) functionalized with Titanium dioxide (TiO2) particles. The invention also describes the crystallization of these TiO2 particles on the surface of ROMS fibers by hydrothermal reaction, the properties of the membrane thus obtained and the numerous hygienic-sanitary applications of the same.

The present invention belongs to the field of materials production, and more specifically to a method for obtaining titanium oxide (TiO2) particles having a size that may preferably be selected between 0.5 and 3 μm and a low size dispersion (less than approximately 5% with respect to the average size). The synthesis route consists of controlled hydrolysis with an aqueous medium of hydrolysable titanium oxide precursors dissolved in solvents that are able to form complexes with the titanium oxide precursors and which have been pre-treated to remove wastewater and thus be able to access a wide range of experimental conditions. This synthesis route makes it possible to obtain monodisperse TiO2 microparticles at room temperature, easily, quickly, with low energy consumption and more efficiently. Furthermore, at an industrial level, the method is easily scalable.

The invention belongs to the field of self-cleaning coatings, and provides self-cleaning anti-dust-deposition glass and a preparation method thereof.According to the self-cleaning anti-dust-deposition glass and the preparation method thereof, hydroxyl is formed on the surface of the glass through pretreatment, the glass is better combined with a coating solution subsequently, TiO2 particles of a micro-nano structure (the micro-nano structure that nano TiO2 is loaded on micron TiO2) are prepared, and the self-cleaning anti-dust-deposition glass is obtained. The preparation method comprises the following steps: firstly, preparing TiO2 particles with a micro-nano structure, then carrying out super-hydrophobic modification on the TiO2 particles with the micro-nano structure, preparing a spraying solution from the super-hydrophobic TiO2 particles and PDMS, and finally, spraying the spraying solution onto glass with hydroxyl to obtain the self-cleaning anti-dust-deposition glass. The coating does not contain fluoride and is environmentally friendly; the binding force of glass pretreatment and the coating is improved; tiO2 has a photocatalytic self-cleaning effect and can degrade oil stains on the surface of the assembly; the super-hydrophobic TiO2 micro-nano particles have micron-scale and nano-scale structures at the same time, and the hydrophobic capacity is higher; and the leveling agent is added, so that the coating is more stable.

The application relates to a sodium titanate nanofiber / reduced graphene oxide composite electrode material and a preparation method and application thereof. The composite electrode material has a two-dimensional sheet structure, the particle size is 1-6 mu m, the thickness is 10-20 nm, is composed of a few-layer reduced graphene oxide and sodium titanate nanofibers with a diameter of 5-10 nm loaded on the reduced graphene oxide, and is prepared by taking the few-layer reduced graphene oxide as a template, uniformly loading titanium dioxide particles, and then carrying out hydrothermal treatment in an alkali solution. Compared with the prior art, the synthesis method is simple in process, easy to scale up, and high in controllability. As a negative electrode of a sodium ion battery or a positive electrode of a sodium battery, the sodium titanate nanofiber / reduced graphene oxide composite electrode material has the advantages of high initial coulomb efficiency, low working voltage, high capacity, excellent rate characteristics and cycle stability, and has a broad market application prospect.

A preparation method of a biaxially oriented micro-foaming diffusion film comprises the following steps: S1, mixing polyester chips and an olefin foaming agent according to a mass ratio of (15-17): 1, and carrying out melt blending and extrusion granulation in a single screw extruder to obtain core layer foaming agent master batches; s2, mixing polyester chips, core layer foaming agent master batches and TiO2 particles according to the mass ratio of (100-90): (1-2): 1, and performing melt blending and extrusion granulation in a single-screw extruder to obtain core layer master batches; s3, uniformly mixing polyester chips, matte particles and cross-linked microspheres according to a mass ratio of (1-2): (4-6): 1 to obtain surface master batches; and S4, after crystallizing and drying the core layer master batch and the surface layer master batch, respectively feeding the core layer master batch and the surface layer master batch into a main extrusion machine of a three-layer co-extrusion extruder and an auxiliary extrusion machine of the three-layer co-extrusion extruder, carrying out three-layer co-extrusion sheet casting and two-way asynchronous stretching forming, and then dragging and rolling to obtain the two-way stretching micro-foaming diffusion film.

The invention relates to the technical field of laser material processing and surface engineering, in particular to an automatic pre-sintering welding process for enhancing binding force of porcelain glaze and a metal matrix, which comprises the following steps of: spraying nano Al2O3 / TiO2 particles on the surface of the metal matrix, performing double-beam gradient preheating, automatic pre-sintering furnace treatment and porcelain glaze slurry coating, and welding by adopting a laser / electron beam high-energy heat source. And finally, the cooling rate is controlled through a PID system to release thermal stress. In the process, nano-particle composition, preheating and welding parameters and the like are optimized. The process solves the problems of high thermal stress, out-of-control oxide layer and weak interface bonding of the traditional process, realizes reduction of thermal stress, improvement of shear strength and uniformity control of the interface nanoscale oxide layer, and is suitable for various metal matrixes.

A toner containing at least toner core particles and an external additive component externally added to the surface of the toner core particle, wherein the external additive component contains at least titanium oxide particles, zinc oxide particles, and an external additive, wherein the titanium oxide particles and the zinc oxide particles have average primary particle sizes of from 75 to 200 nm and from 80 to 300 nm, respectively, and wherein, when external addition rates of the titanium oxide particles and the zinc oxide particles with respect to the toner core particles are defined as A mass % and B mass %, respectively, the toner satisfies relationships of formula (1): 0.5≤A / B≤2.0; and formula (2): 7≤(A+B)≤12.

The invention relates to the field of spinning, and particularly discloses a spinning and continuous dyeing and finishing process of a color master batch fabric. A spinning and continuous dyeing and finishing process of a color master batch fabric comprises the following specific steps: preparing color master batches: mixing dimethyl terephthalate, propylene glycol, a pigment, an anti-ultraviolet-oxidant, a coupling agent and a catalyst, uniformly stirring, vacuumizing, and heating for reaction to obtain the color master batches; the color master batch and polyester chips are mixed to form a spinning mixture, heating melt spinning is conducted, titanium dioxide particles are added in the spinning process, then air blowing cooling shaping and oiling bundling are conducted in sequence, the concentration of an oiling agent is 10%-13%, the oil content is 0.4%-0.75%, colored textile fibers are formed through drafting false twisting and winding, and the colored fabric is formed after spinning; according to the method, spinning and dyeing of the fibers are completed synchronously, the production process is shortened, and meanwhile the prepared colored fabric has good color fastness.

The invention discloses a chemical nickel-plating solution capable of improving the uniformity of a plating layer, a preparation method and a use method, and belongs to the technical field of chemical nickel-plating solutions. Each liter of the chemical nickel-plating solution comprises the following components: 18.3-33.2 g of nickel salt; 8.5 to 9.8 g of a reducing agent; 12.5 to 14.3 g of a composite complexing agent; 11.2 to 28.7 g of a buffer agent; 5.3 to 8.8 g of a colloid stabilizer; and the balance of deionized water. The composite complexing agent is prepared from TiO2, the complexing agent A and the complexing agent B, TiO2 absorbs ultraviolet light energy and generates electron-hole pairs, electrostatic repulsive force between particles is increased, agglomeration is reduced, dispersion of TiO2 is promoted, TiO2 is coated with the complexing agent A and the complexing agent B, and then component stability of the composite complexing agent is promoted; after the colloidal stabilizer is added subsequently, the colloidal stabilizer can be adsorbed on the surfaces of the TiO2 particles, and meanwhile, the colloidal stabilizer can form a layer of macromolecular protective film around the TiO2 particles, so that the particles are further prevented from getting close to one another, the nickel plating solution is promoted to be uniformly dispersed, and the uniformity of a subsequent nickel plating layer is further facilitated.

Provided are a titanium oxide particle-metal particle composition having a higher photocatalytic activity than before, and exhibiting a high antimicrobial property regardless of whether or not it is under light irradiation; and a method for producing such composition. The composition contains two kinds of particles which are:(i) titanium oxide particles with the surfaces thereof being modified by an iron component and a silicon component that are not solid-dissolved in the titanium oxide particles; and(ii) antimicrobial metal-containing metal particles.

The invention belongs to the technical field of fresh-keeping materials, and relates to nano-cellulose-based daytime radiation refrigeration coating liquid as well as a preparation method and fresh-keeping application thereof in paper-based fruit and vegetable packaging. Aiming at the problems of high viscosity and poor leveling property of the phosphorylated cellulose nanofiber coating liquid, the coco-glucoside is used for weakening the hydrogen-bond interaction between phosphorylated cellulose nanofibers to reduce the entanglement density, and meanwhile, the surface charge and steric hindrance of TiO2 particles are adjusted to synergistically optimize the rheological property of the system; on the other hand, the wetting and spreading capabilities of the coating liquid on a corrugated paper base material are remarkably improved due to the low surface tension; the coco-glucoside induces to form a highly-communicated micro / nano-scale air pore channel structure in the film forming and drying process, and efficient scattering and reflection of a solar spectrum are realized by utilizing the refractive index difference between air and a phosphorylated cellulose nanofiber matrix; meanwhile, the porous network provides a uniform loading platform for TiO2, an'air-phosphorylated cellulose nanofiber-TiO2 'triple light scattering interface is constructed, and the visible light wave band reflectivity is further enhanced.

A spiral jet mill for grinding granular products, such as TiO2 particles, comprises a plurality of product injector nozzles, for example, at least two, for injecting a corresponding number of flows of steam or other pressurized gas and granular products into the grinding chamber while mixing them. In use, to achieve energy savings with respect to the amount of steam or other pressurized gas used per unit of granular product being ground, the ratio of the total amount of pressurized gas, for example, the sum of all input steam and grinding steam injected into the grinding chamber, to the granular product, such as TiO2 pigment particles, is preferably smaller than the corresponding ratio used in conventional processes.