66 results about "Titanium tetrabutoxide" patented technology

The present invention seeks to provide a resin composition which contains an aromatic polycarbonate resin and a polyester resin and which has excellent mechanical strength, flowability and thermal stability and also has excellent moist heat resistance together.

The present invention is a resin composition containing 50 to 99 parts by weight of an aromatic polycarbonate resin (component A) and 1 to 50 parts by weight of a polyester resin (component B), the component B being a polyester resin polymerized in the presence of a titanium-phosphorus catalyst obtained by reacting titanium tetrabutoxide, etc., with monolauryl phosphate, etc.

A composite hybrid coating having a thick highly transparent hard coating with excellent barrier properties is described. The hybrid coating is the gelled dispersion of nanoparticles in a sol with least one hydrolyzable silane and at least one hydrolyzable metal oxide precursor. In one embodiment a composite hybrid coating is formed by the curing of a dispersion formed by the addition of a suspension of boehmite nanoplatelets in a sol prepared by the hydrolysis of tetraethoxysilane, γ-glycidoxypropyltrimethoxysilane and titanium tetrabutoxide in ethanol. A plastic substrate can be coated with the dispersion and the dispersion gelled to a thickness of at least 5 μm with heating to less than 150° C.

The invention discloses a synthesis method of a load type carbon modified titanium dioxide photocatalyst. The synthesis method comprises the following steps of mixing absolute ethanol and titanium tetrabutoxide to obtain a solution A; mixing HNO3 and absolute ethanol to obtain a solution B; adding the solution A into the solution B dropwise and adding NaOH solution dropwise to obtain titanium column brace liquid; adding cationic surfactant solution into natural bentonite solution dropwise to prepare organic modified bentonite turbid liquid; adding the titanium column brace liquid into the organic modified bentonite turbid liquid dropwise, ultrasonically oscillating and ageing to obtain powder; and calcining the powder under the vacuum condition to obtain load type carbon modified titanium dioxide. Carbon and TiO2 nanopaticles are implanted between the nano layers by utilizing the cation exchange characteristic of the bentonite to form a three-dimensional nanopore structure, so that the specific surface area of the bentonite is enlarged and the adsorption performance of the bentonite is enhanced. The TiO2 and the carbon particles are combined tightly on the surface, so that the surface photosensitivity of the TiO2 can be improved and the visible light degradability is improved. The TiO2 between the bentonite layers has nanosize, so that the nanoeffect can be exerted.

The invention discloses a preparation method for synthesizing a sheet-type cladding material by a fluidized bed gas-phase method. According to the method, a sheet-type material is used as a matrix material, one or two of volatilizable metal or non-metal organic substances, such as titanium tetrabutoxide, isopropyl titanate, tetra(dimethylamino) titanium, tetra(dimethylamino) titanium, tetraethylortho silicate, 1,2-dimethyl silicon oxide, dichlorosilane, triisobutyl aluminium, carbonyl iron and chromium carbonyl, is or are used as a cladding raw material, and nitrogen, air, argon, helium or carbon dioxide is used as fluidizing gas, so that the sheet-type cladding material is prepared by pyrolysis through a fluidized bed. Metal oxide particles cladding the surface of sheet-type mica by the method can reach the nano level, are compact and uniform and have a wide application prospect in the aspects of decoration, catalysis, photocatalysis, batteries, gas storage and separation. The whole preparation process is executed in a closed container; the cladding raw material is recyclable, so that the preparation method is environmentally friendly, energy-saving and pollution-free; furthermore, the conversion rate o reactants is increased.

A preparation method of core-shell composite material wrapped in a titanium dioxide nanoparticle coating includes: firstly, acquiring nanoparticle carrier; and secondly, wrapping the surface of the metal or metal oxide nanoparticle carrier with a titanium dioxide nanoparticle coating. The second step includes dissolving titanium isobutoxide in glycol, mixing at room temperature for 4-8 hours to obtain titanium dioxide precursor mixed solution A, dispersing the nanoparticle carrier in acetone, mixing well to obtain even mixed solution B, adding the titanium dioxide precursor mixed solution A into the mixed solution B, allowing for obtained solution to stand at room temperature to form precipitate mixed solution, and subjecting the precipitate mixed solution to centrifugal separation, and heating in water bath at 80-100 DEG C. The preparation method of the core-shell composite material wrapped in the titanium dioxide nanoparticle coating allows for increasing of photocatalysis efficiency and is low in cost.

The invention discloses degradable corrugated paperboard glue and a preparation process thereof and relates to the technical field of corrugated paperboard glue. The corrugated paperboard glue comprises the following raw materials in parts by weight: 40-60 parts of corn starch, 10-20 parts of polyvinyl alcohol resin, 5-15 parts of ethyl alcohol, 0.2-0.6 part of caustic soda flakes, 1-4 parts of polyethylene glycol, 0.2-0.6 part of defoaming agent, 0.1-0.5 part of stabilizer, 0.02-0.08 part of plasticizer, 0.05-0.3 part of borax, 0.002-0.008 part of titanium tetrabutoxide, 0.005-0.01 part of triphenyl phosphate and 80-150 parts of water; and the preparation process comprises the steps: degrading the polyvinyl alcohol resin; and mixing the materials. The corrugated paperboard glue disclosedby the invention is high in curing speed, bonding strength and degradation rate and incapable of generating environment pollution.

The present invention relates to a method for synthesizing anatase titanium dioxide nanorod. The method comprises firstly adding a certain amount of acetic acid in a container, then adding butanedioic acid, ultrasonic agitating, and then adding N,N-dimethyl acetamide, carrying out ultrasonic agitating and finally adding titanium tetrabutoxide, mixing well, adding into a hydrothermal reaction vessel, reacting while heating to obtain anatase titanium dioxide nanorod after the reaction is completed. The titanium dioxide nanorod is a one-dimensional nanorod having anatase crystalline morphology. The anatase titanium dioxide nanorod prepared by the invention has characteristics of controllable size, simple preparation process and low cost. The anatase titanium dioxide nanorod can be used as a working electrode material of dye-sensitized solar cells and quantum dot solar cells.

The invention relates to the technical field of a functional material, and discloses a preparation method of a magnetic mesoporous silica core-shell structure affinity microsphere based on metal ion modification. The method comprises the following steps of: 1) preparing magnetic particles from hexahydrate ferric trichloride; 2) preparing particle dispersion liquid by utilizing the magnetic particles; 3) adding ethanol solution containing ethyl silicate and titanium tetrabutoxide to the particle dispersion liquid, carrying out ultrasound, agitation and magnetic separation, and removing template molecules to obtain the magnetic mesoporous silica core-shell structure taking the magnetic particles as a core and the SiO2 as a shell. Polypeptide and protein with low molecular weight can be gathered and purified from a complicated biological sample by utilizing the magnetic mesoporous silica core-shell structure affinity microsphere based on the metal ion modification. The purification and separation processes of complicated low-abundance protein and low-molecular weight protein sample are greatly simplified by utilizing the magnetic property of an affinity material; and the operation time is also shortened.

The invention provides a titanium dioxide prepolymer and a preparation method of the titanium dioxide prepolymer and a photocatalyst ultraviolet light curing paint containing the titanium dioxide prepolymer. The method of preparing the titanium dioxide prepolymer comprises the following steps of: carrying out carboxylation reaction on titanium tetrabutoxide in ethanol to obtain carboxylated titanium dioxide; and dissolving a polyurethane acrylic resin in an organic solvent, and then heating and reacting the polyurethane acrylic resin with carboxylated titanium dioxide for 24 hours at 80 DEG C to obtain the titanium dioxide prepolymer. The photocatalyst ultraviolet light curing paint prepared by the invention comprises the titanium dioxide prepolymer, a high-function acrylic monomer, a single-function acrylic monomer, a diluent, an initiator and an assistant. The technical scheme provided by the invention solves the technical problems of poor storage stability of titanium dioxide, and bad dirty resistance and poor scratch resistance ability of the photocatalyst ultraviolet light curing paint in the prior art.

This invention belongs to technique field of fine chemical industry, it relates to a preparation of composing 2-thiophene acetic acid of thiophene, mainly including: after ethanal acid is dewatered, mixed with thiophene and amorphous phosphorus in acid medium, they are reacted by effect of catalytic agent, 2-thiophene acetic acid is obtained. The used ethanal acid is technica grade ethanal acid, in the reactive process the thrown mol share ratio of thiophene and ethanal acid is 1-8:1,when the purity of ethanal acid is lower than 80%, acidity or neutral can be added to raise reaction velocity. Dehydrater addition is adjusted according to purity of ethanal acid to make water content of ethanal acid decrease to lower than 20%, dehydration time is 0.5-2h,dehydration temperature is 20-50DEG C. Thrown mol share ratio of amorphous phosphorus and ethanal acid is 0.2-1.0:1. The used catalytic agent is catalytic agent of un-protonic acid such as stannous oxide, titanium tetrabutoxide, stannic chloride, iron chloride, zinc chloride and so on, Thrown mol share ratio of catalytic agent and ethanal acid is 0.025-0.1:1.

The invention provides a preparation method of praseodymium-doped calcium titanate luminescent powder. The method comprises: under room temperature, and according to Pr<3+>/Ca<2+> in a mole ratio of 0.005/1, weighing certain amounts of CaCO3 and Pr6O11 solids which are dissolved in dilute nitric acid, conducting heating to expel excess acid, and when the pH value of the solution reaches 2-3, reheating the solution to a melt state; leaving the solution to cool to room temperature, then respectively adding stoichiometric titanium tetrabutoxide and 20mL of a water-ethanol solution, then adding a certain amount of citric acid as a complexing agent, adding polyethylene glycol, and carrying out stirring for 2h, thus obtaining a transparent sol precursor; subjecting the obtained precursor solution to spray drying so as to obtain precursor powder; putting the precursor into a programmed heating furnace, and heating the precursor to a temperature of 600DEG C-1000DEG C, then maintaining the temperature constant for 3h, thus obtaining CaTiO3:Pr<3+> fluorescent powder. The praseodymium-doped calcium titanate fluorescent powder prepared by the method of the invention has good crystallization degree and high purity, and is a CaTiO3 pure phase in a perovskite structure.

The invention discloses a preparation method of a strontium-doped titanium dioxide magnetic nanometer photocatalyst. The preparation method comprises the following steps: using Ni-Zn-Fe nitrate as a raw material, synthesizing an Ni0.6Zn0.4Fe2O4 magnetic substrate by adopting a self-propagating combustion method, using strontium as a dopant, using titanium tetrabutoxide as a titanium source, covering the Ni0.6Zn0.4Fe2O4 magnetic substrate, and finally, carrying out calcinations processing at a high temperature of 550 DEG C to obtain the strontium-doped titanium dioxide magnetic nanometer photocatalyst. The prepared strontium-doped titanium dioxide magnetic nanometer photocatalyst has the characteristics of high pollutant treatment efficiency and easiness to recover, has a potential application value in the aspect of treating pollutant effluents through large-scale application of titanium dioxide and has certain scientific research significance in further exploring the influence generated after the alkali metal is doped in titanium dioxide.

A sol to form an inorganic-organic hybrid coating having a thick highly transparent hard coating is described. The hybrid coating is formed from a combined aqueous sol with least one hydrolyzable silane and at least one hydrolyzable metal oxide precursor where the only organic solvents present are those liberated upon hydrolysis of the silanes and metal oxide precursors. In one embodiment an inorganic-organic hybrid coating is formed by combination of a sol, prepared by the hydrolysis of tetraethoxysilane and γ-glycidoxypropyltrimethoxysilane with an excess of water, and a sol, prepared by the hydrolysis of titanium tetrabutoxide and γ-glycidoxypropyltrimethoxysilane with a deficiency of water. A plastic substrate can be coated with the combined sol and the combined sol gelled to a thickness of at least 5 μm with heating to less than 150° C.

The invention provides a preparation method of a carbon nanotube/titanium dioxide coaxial nanometer cable composite material. The preparation method comprises the following steps of: carrying out sulfonation and modification on the surface of a bamboo-like polymer nanotube which is used as a template and a carbon source; and inducting titanium tetrabutoxide to hydrolyze by gel and roast in an inert atmosphere to prepare the carbon nanotube/titanium dioxide coaxial nanometer cable composite material. The carbon nanotube/titanium dioxide coaxial nanometer cable composite material is composed of a carbon nanotube core layer, which is of a hierarchical pore, and a titanium dioxide shell layer which is of a mesoporous structure. As a lithium ion battery negative electrode material, the carbon nanotube/titanium dioxide coaxial nanometer cable composite material has better specific capacity and cycling stability, and can be used for showing reversible lithium storage capacity of 231mAh/g after being circulated by 100 cycles under the current of 1000mA/g. The preparation method of the carbon nanotube/titanium dioxide coaxial nanometer cable composite material provided by the invention is simple in process and capable of easily obtaining materials; moreover, the carbon nanotube/titanium dioxide coaxial nanometer cable composite material can be produced in a large-scale manner, excellent in performances, and therefore, the composite material is a lithium ion battery negative electrode material with a favorable application prospect.

The invention discloses a polypropylene conductive plastic and a preparation method thereof. The polypropylene conductive plastic comprises the following components in parts by weight: 40-50 parts of PP, 30-40 parts of carbon black, 20-25 parts of PP-g-MAH, 8-10 parts of ethylene-propylene rubber, 10-15 parts of powdered aluminum, 1-15 parts of titanium tetrabutoxide, 5-9 parts of dioctyl terephthalate, 5-6 parts of sodium sulfite, 10-19 parts of ammonium persulfate, 12-18 parts of diisobutyl phthalate, and 11-17 parts of isoeugenol. The polypropylene conductive plastic of the present invention has very good mechanical properties, high impact strength and relatively low shrinkage, good stability and no proneness of deformation; and also has good conductivity, so the plastic can be widely used in anti-electromagnetic interference products, etc., and can be used to replace metal materials, wherein superior performance and lower cost can be achieved.

[Problems] A primer used for pre-treating the surfaces of a prosthetic, which exhibits a large adhering force at the time of adhering a prosthetic of metal oxide ceramics to an object to be joined by using an adhesive such as a dental cement, the large adhering force being maintained for extended periods of time even in a severe environment such as in an oral cavity.

[Means for Solution] A primer composition for metal oxide ceramics, comprising (A) a polymerizable monomer component containing 5% by mass or more, preferably, 5% by mass to 80% by mass of an acidic group-containing polymerizable monomer as represented by a 11-methacryloyloxy-1,1-undecanedicarboxylic acid and a rest of a polymerizable monomer without acidic group, such as triethylene glycol dimethacrylate; (B) polyvalent metal ions resulting from a titanium tetrabutoxide or the like; and (C) an organic solvent such as acetone or ethyl alcohol, wherein water is not substantially contained.

The invention provides a preparation method of an efficient mesoporous zinc oxide photocatalyst. The method comprises the steps that terephthalic acid, N,N-dimethylformamide, cellulose nanocrystallineand titanium tetrabutoxide are adopted as raw materials, and modified MOF-Ti powder is prepared; zinc oxide photocatalyst obtained by adopting the modified MOF-Ti powder as a template is environmentally friendly, the preparation way of the zinc oxide catalyst is enlarged, the method has the advantages of being high in specific surface area and pore volume and including efficient mesoporous, the photocatalytic activity is high, and the displayed photocatalytic performance is shown; in addition, the method has the advantage that the preparation technology is simple.

The invention relates to low-temperature environment-friendly polyesterimide wire enamel and a preparation method thereof. The low-temperature environment-friendly polyesterimide wire enamel is prepared by mixing raw material components including dimethyl phenol, cis-butenedioic anhydride, acrylic ester, diaminodiphenyl ether, glycerol, glycol, n-butyl titanate, straw ash, titanium tetrabutoxide, attapulgite and chlorinated olefin according to a certain weight part ratio, and reacting to obtain a finished product. The preparation method is simple and low in cost; and the prepared wire enamel has high heat resistance, solvent resistance and freezing resistance.

The invention discloses a process for coating a Bi2O3/TiO2 photocatalysis film on the surface of a hollow lightweight glass sphere and discloses application of the hollow lightweight glass sphere with a surface coated with the Bi2O3/TiO2 photocatalysis film. According to the process, bismuth nitrate, titanium tetrabutoxide, nitric acid, water, pentanediol, polyethylene glycol, acetylacetone and the like are adopted for forming a precursor solution; the sphere is rotatably coated with a film and then is quickly dried to obtain the uniform Bi2O3/TiO2 catalyst film; the glass sphere with the Bi2O3/TiO2 photocatalysis film coated on the surface is placed into a suspending type photocatalysis reactor and can be used for degrading organic pollutants such as methyl orange under illumination, and the glass sphere is excellent in photocatalysis performance; the process has the advantages that the raw materials are easily available, the preparation cost is low, the film coating process is simple, and the condition is easy to control; and the liquid film on the surface of the glass sphere is thin, has high light transmittance and high transfer efficiency, does not need to be separated and recycled and is capable of continuously working; and simultaneously, the process provides reference value respect to other film coating technologies and brings basic theoretical basis for designing and amplifying the photocatalysis reactor in future.

The invention discloses a preparation method of a visible-light response type attapulgite-BiOX-TiO2 compound photo-catalyst. The preparation method of the visible-light response type attapulgite-BiOX-TiO2 compound photo-catalyst comprises the following steps of: dispersing attapulgite into deionized water with the amount being 40-50 times that of the attapulgite; stirring and removing deposited mud, carrying out ultrasonic dispersion on the treated attapulgite, and removing mud against, so as to obtain a attapulgite suspension; dropping a Bi(NO3)3.5H2O acid solution to the attapulgite suspension, stirring the mixture, dropping a halogen inorganic salt water solution into the stirred mixture, stirring for 30 minutes, then adjusting the pH value to be 6-7 by strong ammonia water, stirring for 4-5 hours, standing and aging for one night, extracting and filtering, drying at 60-100 DEG C, grinding, and baking the ground mixture in a muffle furnace at 150-350 DEG C for 2-6 hours, so as to obtain an ATT-BiOX semi-finished product; and adding certain amount of titanium tetrabutoxide in the ATT-BiOX semi-finished product, stirring uniformly, adding 100mL of deionized water, stirring for 4-8 hours, standing and aging or one night, extracting and filtering, washing by the deionized water, drying at 60 DEG C-100 DEG C, grinding, and baking the ground mixture in the muffler furnace at 150-350 DEG C for 4-8 hours, so as to obtain an ATT-BiOX-TiO2 compound photo-catalyst. The ATT-BiOX-TiO2 compound photo-catalyst provided by the invention has a favorable visible light degrading effect, also can lower the cost, reduces the pollution, and has a favorable application prospect and an economical benefit on the aspect of sewage treatment.

The invention discloses a technology for preparing magnetic reflective glass beads through a sol-gel method. The technology comprises the following steps: using tetraethyl orthosilicate as a silicon source and titanium tetrabutoxide as a titanium source, adding an alcohol solution of iron chloride to obtain an iron-doped mixed sol system, dropwise adding the iron-doped mixed sol system to paraffin having a certain temperature, and dispersing the sol under the action of surface tension to form SiO2-TiO2 glass bead bodies having a good roundness; and controlling the addition amount of the alcohol solution of iron chloride to make the glass beads have a good refractive index and endow the glass beads with a certain magnetic property, and carrying out bead implantation treatment through a magnetic field to make the produced product have a magnetic property in order to enhance the use performances of the product.

The invention discloses a preparation method of a Mn-Ti oxide system low-temperature selective catalytic reduction (SCR) catalyst. The preparation method comprises the following steps of: in a stirring condition, adding titanium tetrabutoxide in acrylic acid to uniformly mix, adding manganous nitrate and a solvent, and stirring a mixture to form a homogeneous phase solution, wherein a mol ratio of the titanium tetrabutoxide to the manganous nitrate ranges from 10: 1 to 10: 6, and a mol ratio of sum of the titanium tetrabutoxide and the manganous nitrate to the acrylic acid ranges from 1: 5 to 1: 1; deoxidizing by introducing nitrogen, and adding an initiator to polymerize, so as to obtain solid polyacrylate; and drying and carrying out pyrolysis on the solid polyacrylate, and then grinding to obtain Mn-Ti oxide powder. The preparation method provided by the invention has the advantages of easiness of control and convenience in implementation; metal ions in a prepared polymer precursor can be horizontally and uniformly mixed in an ion level; the grain size of the Mn-Ti oxide powder prepared by sintering the polymer precursor can reach a nanometer level and a narrow distribution range so that the Mn-Ti oxide system low-temperature SCR catalyst has a better application prospect in a low-temperature smoke SCR denitration reaction catalyst field.

The invention relates to a packaging thin film material for electronic commerce logistics transportation. The packaging thin film material is prepared from the following components: epichlorohydrin rubber, chloroprene rubber adhesive, neoprene, deca-brominated diphenyl ether, titanium tetrabutoxide, sodium stannate, barium stearate, parachlormetaxylenol, garlic extract, beta-bromo-beta-nitrotrimethyleneglycol, 2-mercaptobenzothiazole, garlic oil, sodium dihydrogen phosphate, lead oxide powder, lead iodate powder, vermiculite powder, camellia pollen, modified attapulgite powder, pearl powder, amyl acetate, sesame oil, methyl isobutyl carbinol, trimethyl borate, N-nitro sodimethylamine, arabinogalactan, amino propyl trimethoxy silane, a barium-zinc stabilizer, benzotriazole, benzoic acid and ricinoleic acid polyoxyethylene allyl ester. The packaging thin film material has relatively excellent flame resistance, acid and alkali resistance and mildew and mold resistance; and the product performance is improved.