354 results about "Binary compound" patented technology

The present invention concerns methods and compositions for stably tethered structures of defined compositions with multiple functionalities and / or binding specificities. Particular embodiments concern stably tethered structures comprising a homodimer of a first monomer, comprising a dimerization and docking domain attached to a first precursor, and a second monomer comprising an anchoring domain attached to a second precursor. The first and second precursors may be virtually any molecule or structure, such as antibodies, antibody fragments, antibody analogs or mimetics, aptamers, binding peptides, fragments of binding proteins, known ligands for proteins or other molecules, enzymes, detectable labels or tags, therapeutic agents, toxins, pharmaceuticals, cytokines, interleukins, interferons, radioisotopes, proteins, peptides, peptide mimetics, polynucleotides, RNAi, oligosaccharides, natural or synthetic polymeric substances, nanoparticles, quantum dots, organic or inorganic compounds, etc. The disclosed methods and compositions provide a simple, easy to purify way to obtain any binary compound attached to any monomeric compound, or any trinary compound.

In accordance with one aspect of the present disclosure, a solar photovoltaic device is disclosed. The semiconductor material of the solar photovoltaic device is a heterostructure of two different binary compounds of a pair of immiscible metals. The two different binary compounds have a conduction band edge offset of greater than about 0.4 eV. The binary compound acting as the optical absorbing material of the solar photovoltaic device has a bandgap of about 1.0 eV to about 1.8 eV.

An x-ray source is described. This x-ray source includes an electron source with a refractory binary compound having a melting temperature greater than that of tungsten. For example, the refractory binary compound may include: hafnium carbide, zirconium carbide, tantalum carbide, lanthanum hexaboride and / or compounds that include two or more of these elements.

A triazine carbonific containing aromatic chain structure, the carbonific is obtained by aromatic binary compound and monosubstituted cyanuric chloride with structural general formula being NH2-Ar-NH2, HO-Ar-OH or HS-Ar-SH under catalyst action. The invention further claims a method of preparing the triazine carbonific containing aromatic chain structure. Compared with the prior art, the invention has the advantages that: the triazine halogen-free flame retardant obtained by the invention has high thermal stability, high char rate under high temperature; the reaction process is one kettle way continuous reaction, and the preparation process is simple, the intermediate does not need to be processed; the post process method is simple, and the reaction time is short, the yield is high; the invention can effectively save energy consumption, improve the production efficiency and reduce the production cost.

The invention relates to a betaine surfactant and a preparation method and application thereof. The betaine surfactant is shown as a formula I, wherein the m is 0 or a positive integer, the n is 0 or a positive integer, the m and the n cannot be 0 simultaneously, the R1 is hydrogen (H) or alkyl, the R2 is H or alkyl, the R3 is alkyl and the R4 is alkyl. The invention further provides a preparation method of the betaine surfactant and application of the betaine surfactant in tertiary oil recovery as a surfactant of a binary compound oil-displacing agent. The betaine surfactant has strong temperature resistance, mineralization resistance and dilution resistance and wide application prospect in the field of the tertiary oil recovery.

The invention relates to a hydrophobically associating polymer and mixed surfactant binary compound oil displacement system for use in tertiary oil extraction. The system mainly comprises the following components in percentage by weight: 0.1 to 0.3 percent of hydrophobically associating polymer, 0.1 to 0.6 percent of surfactant and 99.2 to 99.8 percent of water. The hydrophobically associating polymer in the system has high temperature resistance, high salt resistance and viscosity increasing capacity and can largely reduce dosage of polymer; and with high solubilizing capacity, the polymer can increase the dissolution of the surfactant in sewage, thereby increasing the use concentration of the surfactant. The oil displacement system which is dissolved by sewage from extraction can save lots of fresh water; with high viscosity increasing capacity, the system can effectively control flow rate, increase swept volume, increase oil water interface tension to 10<-3>mN / m and increase the oil extraction rate; and because of high stability and injection property, the system can be injected in large dose. According to an indoor oil displacement experiment, the binary compound oil displacement system can improve the extraction rate by over 20 percent compared with that of water displacement. The system without alkali avoids serious damage to the oil layer and corrosion and damage to oilpipes and has a great application prospect.

An efficient hyperbranched polyphosphazene flame retardant charring agent is prepared by reacting hexachlorocyclotriphosphazene with a binary compound containing two active groups. The charring agent has characteristics of good foaming charring performance, excellent flame retardant effects and good processing performance, and can be widely used in plastics, rubber, coating, adhesives, and other polymer materials. A preparing method adopts a one-pot method, and has characteristics of continuous reaction process, short reaction time and high production efficiency. By controlling the mole ratio of the hexachlorocyclotriphosphazene to the binary compound, no end-capping agent is added in the reaction process. When compared with the addition of end-capping agents in synthesis processes in triazine type charring agent patents, the synthetic process of the charring agent is simplified.

The invention provides a novel anti-counterfeit mark. The novel anti-counterfeit mark comprises an anti-counterfeit mark base and an invisible anti-counterfeit pattern, wherein the regional difference is formed through micro-nano materials and the anti-counterfeit mark base, so that the invisible anti-counterfeit pattern is formed, the surface of the anti-counterfeit mark base comprises an invisible anti-counterfeit pattern area and a non-pattern area, the invisible anti-counterfeit pattern area or the non-pattern area is composed of a film layer formed on the surface of the anti-counterfeit mark base through micro-nano materials, and the micro-nano materials include organic particles, inorganic particles, photoresist, photosensitive resin, metal, alloy, ceramic, polymer, active micromolecules, an oxide, a sulfide, a nitride and a carbide or a binary compound or polycompound composed of III-V or II-IV or IV-VI elements. According to the novel anti-counterfeit mark, the invisible anti-counterfeit pattern can appear when the anti-counterfeit mark is located at the position of an air blowing opening or encounters with water or steam, the invisible anti-counterfeit pattern can become invisible after water is volatilized, and the anti-counterfeit mark can be used for counterfeit prevention in the fields such as the medicine field, the food safety field and the financial field. The invention further provides a manufacturing method of the novel anti-counterfeit mark.

The invention relates to a binary compound oil-flooding composition and application thereof in tertiary oil recovery. According to the total weight of the binary compound oil-flooding composition, the binary compound oil-flooding composition comprises the following components: 0.05 to 0.3% of compound surfactant, 0.1 to 0.25% of polymer and the balance of water, wherein the compound surfactant comprises two kinds of hydroxysulfobetaine with different structures in a mass ratio of 9 : 1 to 3 : 7. The invention further provides the application of the binary compound oil-flooding composition in the tertiary oil recovery. The binary compound oil-flooding composition not only has good interface performance and very good emulsifying property and has a good oil-flooding effect.

Solar cells are provided with carbon nanotubes (CNTs) which are used: to define a micron / sub-micron geometry of the solar cells; and / or as charge transporters for efficiently removing charge carriers from the absorber layer to reduce the rate of electron-hole recombination in the absorber layer. A solar cell may comprise: a substrate; a multiplicity of areas of metal catalyst on the surface of the substrate; a multiplicity of carbon nanotube bundles formed on the multiplicity of areas of metal catalyst, each bundle including carbon nanotubes aligned roughly perpendicular to the surface of the substrate; and a photoactive solar cell layer formed over the carbon nanotube bundles and exposed surfaces of the substrate, wherein the photoactive solar cell layer is continuous over the carbon nanotube bundles and the exposed surfaces of the substrate. The photoactive solar cell layer may be comprised of amorphous silicon p / i / n thin films; although, concepts of the present invention are also applicable to solar cells with absorber layers of microcrystalline silicon, SiGe, carbon doped microcrystalline silicon, CIS, CIGS, CISSe and various p-type II-VI binary compounds and ternary and quaternary compounds.

Described herein are semiconductor structures comprising laterally varying II-VI alloy layer formed over a surface of a substrate. Further, methods are provided for preparing laterally varying II-VI alloy layers over at least a portion of a surface of a substrate comprising contacting at least a portion of a surface of a substrate within a reaction zone with a chemical vapor under suitable reaction conditions to form a laterally varying II-VI alloy layer over the portion of the surface of the substrate, wherein the chemical vapor is generated by heating at least two II-VI binary compounds; and the reaction zone has a temperature gradient of at least 50-100° C. along an extent of the reaction zone. Also described here are devices such as lasers, light emitting diodes, detectors, or solar cells that can use such semiconductor structures. In the case of lasers, spatially varying wavelength can be realized while in the case of solar cells and detectors multiple solar cells can be achieved laterally where each cell absorbs solar energy of a given wavelength range such that entire solar spectrum can be covered by the said solar cell structure. For LED applications, spatial variation of alloy composition can be used to engineer colors of light emission.

The invention belongs to the field of fuel desulfurization and particularly relates to a compound photocatalyst taking attapulgite as a carrier and a preparation method of the photocatalyst. Firstly, a raw material rich in carbon and nitrogen is added to attapulgite slurry to be mechanically stirred, then the mixture is kept at the temperature of 520-570 DEG C, and an attapulgite / carbon nitride binary compound is prepared; polyaniline is assembled on the obtained attapulgite / carbon nitride compound carrier, and the attapulgite / carbon nitride / polyaniline ternary compound photocatalyst is prepared. The prepared compound photocatalyst involves no metal or metal oxide catalysts, cannot cause secondary pollution to oil products and has the advantages of environment friendliness and the like.

The invention discloses a self-emulsifier and use thereof in binary compound tertiary oil recovery. The emulsifier comprises the following components in percentage by mass: 24 to 30 percent of alkyl amido betaine, 9 to 24 percent of carboxylic amino acid type amphoteric nonionic surfactant, 5 to 14 percent of amine oxide surfactant, 1 to 5 percent of fatty alcohol-polyoxyethylene ether, 0.7 to 3.7 percent of polyoxyethylene sorbitan monooleate, 1 to 2.3 percent of nonyl hydroxybenzene polyethoxylate ether, 0.5 to 1.5 percent of fatty acid methyl ester ethoxylate, 0.6 to 3.7 percent of C6 to C8 fatty alcohol , 0.4 to 2.3 percent of triethanolamine, 0.5 percent of monoglycerylester palmitate and the balance of water. The emulsifier prepared by the method emulsifies crude oil under the condition of low shearing force or no external force of a binary compound system and makes an emulsifying system stable.

In accordance with one aspect of the present disclosure, a solar photovoltaic device is disclosed. The semiconductor material of the solar photovoltaic device is a heterostructure of two different binary compounds of the same metal. One or both of the two different binary compounds of the same metal are doped so that they have a conduction band edge offset of greater than about 0.4 eV. The binary compound acting as the optical absorbing material of the solar photovoltaic device has a bandgap of about 1.0 eV to about 1.8 eV.

The invention relates to a method for preparing a compound nanocrystal material for a solar cell, in particular to a novel method for synthesizing mono-dispersed multicomponent compound nanocrystals. The method can be typically applied to synthesis of chalcopyrite compounds, and comprises the following steps of: quickly injecting an oil phase solution containing a sulfur source into 180-280DEG C alcohol phase solution containing a metal source, reacting for 2 to 60 minutes, naturally cooling, and washing to obtain oil soluble multicomponent compound nanocrystal particles with narrow particle size distribution. The invention provides a two phase process for synthesizing the multicomponent compound nanocrystals for the first time. Expensive and toxic organic metals are not needed to be used in the method; and common inorganic metal salt is taken as the metal source, the reaction steps are simplified, the reaction time is greatly shortened, the production cost is reduced and the pollution is lightened, so that the method is an environment-friendly method with universality. Through the method, binary compounds, tertiary compounds, quaternary compounds and even penta-compounds can be synthesized.

A method and apparatus for the deposition of thin films is described. In embodiments, systems and methods for epitaxial thin film formation are provided, including systems and methods for forming binary compound epitaxial thin films. Methods and systems of embodiments of the invention may be used to form direct bandgap semiconducting binary compound epitaxial thin films, such as, for example, GaN, InN and AlN, and the mixed alloys of these compounds, e.g., (In, Ga)N, (Al, Ga)N, (In, Ga, Al)N. Methods and apparatuses include a multistage deposition process and system which enables rapid repetition of sub-monolayer deposition of thin films.

The invention discloses a nonionic gemini surface active agent for a chemical oil removing agent in tertiary oil production, a preparation method and application thereof. A structural formula of the nonionic gemini surface active agent is as follows, wherein R1 and R2 are respectively alkyl groups of C11 to C23; and n and m are respectively integers of 2 to 9. The nonionic gemini surface active agent is used for in tertiary oil production in an oil field, used as the oil removing agent for preparing a binary compound oil removing system, and has the performance of excellent salt resistance, high temperature resistance, and the like. Under the conditions that the temperature is 85 DEG C, the salinity achieves 50000mg / L and the content of high valence ions Ca<2+> and Mg<2+> achieves 2500mg / L, the surface active agent forms ultra-low interfacial tension 10-3 to 10-4mN / m with crude oil, thereby achieving an ideal oil removing effect.

The invention discloses an energy-containing film made of an aluminum-copper oxide-graphene oxide ternary composite material and a preparation method for the energy-containing film. The method includes the steps that firstly, a CuO-graphene oxide binary compound is placed in isopropyl alcohol to be ultrasonically dispersed; secondly, aluminum particles and a dispersing agent are ultrasonically dispersed in the isopropyl alcohol to be ultrasonically mixed with dispersing liquid obtained from the first step; thirdly, a product obtained from the second step is centrifuged, washed and dried; fourthly, a material obtained from the third step is placed in a mixed solution of the isopropyl alcohol and N,N-dimethylformamide to be ultrasonically dispersed, and the electric potential is adjusted; and fifthly, the dispersing liquid obtained from the fourth step serves as electrophoretic deposition liquid, a copper sheet serves as a cathode pole piece, stainless steel or a platinum electrode serves as an anode pole piece, electrophoretic deposition is conducted, and the energy-containing film is obtained. By the adoption of the energy-containing film and the preparation method, graphene oxide is introduced into a thermite system, energy released by oxygen-containing groups in the graphene oxide in the thermal deoxidization process is used for further inducing a redox reaction of aluminum and CuO, and therefore energy output by the system is multiplied.

A Bi-S binary system thermoelectric material and a preparation method thereof belong to the technical field of energy materials. The method is divided into two parts, synthesis and molding of a compound. The Bi and S simple substances with high purity are measured and proportioned according to chemical composition, then high energy ball milling is carried out with the protection of inert gases and certain rotating speed; after the compound is synthesized by dry milling, wet milling is carried out; finely superfine powder of the Bi-S binary compound is acquired by drying. The molding process acquires block material by spark plasma sintering. The spark plasma sintering acquires Bi-S binary compound block with high density and tiny crystal grains. As the spark plasma sintering has the advantages of short time, comparatively low sintering temperature, etc., compact micro structure with tiny crystal grains can be acquired by controlling the sintering technique. The method preparing the Bi-S binary system thermoelectric material by mechanical alloying and spark plasma sintering has the advantages of simple and convenient technique, short synthesis and molding time, etc.

The invention relates to a sterilization composition containing cyanoacrylate bactericide and metalaxyl-M. The sterilization composition is prepared by carrying out binary compounding on effective components, namely the cyanoacrylate bactericide and the metalaxyl-M. The mass ratio of the cyanoacrylate bactericide to penconazole is 1-40 to 40-1; the mass percentage of the effective components, namely the cyanoacrylate bactericide and the metalaxyl-M, in the preparation is 1-80 percent; and other components are pesticidally allowable and acceptable auxiliary components. The sterilization composition can be in the form of missible oil, suspension agent, wettable powder, water diffusion particle, water emulsion, microemulsion, granules and micro capsules and can be used for preventing and treating downy mildew, phytophthora root rot, pythium, wheat gibberellic disease, cotton fusarium wilt, banana panama disease, fusarium moniliforme sheld, watermelon fusarium wilt and the like.

The invention discloses a fluorine-carbon gemini surfactant for oil extraction and a preparation method thereof. The preparation method of the surfactant is as follows: 1) perfluorooctsulfunyl fluoride is dissolved in ethyl acetate, is firstly mixed with polyethylene polyamines and then reacts with potassium hydroxide after being heated to obtain diperfluoro octyl sulfamide; 2) diperfluoro octyl sulfamide is mixed with 2-chlorethanol in an organic solvent and reacts with potassium hydroxide to obtain N-N-alcohol diperfluoro octyl sulfamide; 3) N-N-alcohol diperfluoro octyl sulfamide is mixed with hydrogen peroxide and reacts with potassium hydroxide to obtain the target product. The fluorine-carbon gemini surfactant for oil extraction provided by the invention has comparatively low using concentration, can obviously reduce the surface tension of aqueous phase system, is excellent in temperature and salt resistance, can be used as a surfactant component in polymer-surfactant binary compound flooding and alkali-polymer-surfactant ternary compound flooding systems and can also be directly applied in surfactant flooding.

The invention discloses a binary compound filter rod for tobacco as well as a processing method and processing equipment thereof. The filter rod comprises an acetate fiber and active carbon hollow filter rod binary compound unit, an outer wrapping layer and an inner wrapping layer, wherein the acetate fiber and active carbon hollow filter rod binary compound unit is a cylindrical body comprising an acetate fiber filter rod section and an active carbon hollow filter rod section which are connected; the inner wrapping layer is used for wrapping the acetate fiber filter rod section; and the outer wrapping layer is used for wrapping the inner wrapping layer and the active carbon hollow filter rod section. The filter rod is cut, and a tow filter rod, tipping paper, tobacco shred and cigarette paper are cooperatively used, so that a complete cigarette can be obtained. The binary compound filter rod is unique in production process and novel in style, can greatly reduce harmful ingredients in cigarette smoke, and is provided with a better anti-counterfeiting function at the same time.

The invention discloses a bulk polyvinyl chloride production process, which includes pre-polymerization and polymerization stages. The present invention uses novel initiator Luperox10M85 to replace the original initiator EHPD, and the polymerization reaction uses a new binary compound formula system. Since the initiation efficiency of 10M85 is lower than that of EHPD, under the same amount of initiator, the heat release in the early stage of polymerization is slower, and the reaction The temperature is more stable, and the new compound initiator formula system can balance the heat release before and after the bulk polymerization process, which is beneficial to the heat transfer of the system, and the polymerization pressure control is more stable; the reaction temperature is more stable, the polymerization heat is easy to control, and the agglomeration is reduced. Grade B product rate improves the thermal stability of PVC resin, improves the internal quality of the product, and is conducive to improving the post-processing performance of the product.

Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein particles of one or more transition metal compounds that improve the reheat properties of the compositions. The transition metal compounds are binary compounds of a transition metal element selected from titanium, vanadium, zirconium, niobium, hafnium, and tantalum, and a non-metallic element selected from boron, carbon, and nitrogen. Processes for making such polyester compositions are also disclosed. The particles may be incorporated in the polyester by melt compounding, or may be added at any stage of the polymerization, such as during the melt-phase of the polymerization. A range of particle sizes may be used, as well as a range of particle size distributions. The polyester compositions are suitable for use in packaging made from processes in which a reheat step is desirable.

The invention provides a compound agent, which is prepared by performing binary compounding on plant-source compounds of ethyl isothiocyanate and allyl isothiocyanate according to the weight ratio of 1:7-7:1. The compound agent can be prepared into a dissoluble liquid, an aqueous emulsion, an oil solution or a tablet, and is applied to preparing a pesticide fumigant for controlling insect pests and harmful mould fungi in storehouses and soil. The compound agent has the advantages of obvious synergy, high bacteriostatic and insecticidal activity, less relative usage, and obvious fumigation effect on pests of food, tobacco and soil nematodes and the like, and can be used for substituting bromomethane which is forbidden fumigant.

The invention relates to a wetting agent and application thereof in binary compound flooding tertiary oil recovery. The wetting agent comprises the following components in percentage by mass: 13 to 33 percent of sulfonamido-betaine, 7 to 17 percent of alkyl amido-hydroxy-sulfonamido-betaine, 6 to 19 percent of sulfonic acid type imidazoline, 0.5 to 7 percent of fatty alcohol-polyoxyethylene ether, 0.5 to 3 percent of polyoxyethylene sorbitan monooleate, 0.3 to 1.7 percent of polyoxyethylene alkyl amine, 0.3 to 1.3 percent of fatty acid methyl ester ethoxylate, 1 to 7 percent of auxiliary emulsifying agent and the balance of water. The wetting agent prepared by the method transforms a lipophilic oil layer into a strong water-wetting oil layer in the process of the binary compound flooding and can greatly improve the reservoir recovery. When binary compound flooding oil recovery is performed, a reservoir is transformed from lipophilicity into hydrophily, and the ultimate recovery can beimproved by 10.47 percent.

The invention provides a gas sensitive material for detecting low-temperature formaldehyde at room temperature and a preparation method thereof as well as a formaldehyde gas sensor and belongs to the technical field of gas sensitive sensors. The gas sensitive material is prepared from noble metal nanoparticles and a functionalized graphene binary compound material, wherein the mass ratio of the noble metal nanoparticles to the functionalized graphene binary compound material is 1 to (0.1 to 30); the gas sensitive material can be used for detecting formaldehyde gas with the concentration of ppb grade at room temperature. Therefore, compared with a traditional formaldehyde gas sensitive material, the gas sensitive material and the formaldehyde gas sensor containing the gas sensitive material do not need a high-temperature working environment, so that the power consumption and cost are extremely reduced and resources are saved, and furthermore, the formaldehyde gas sensor has a wider application field. Materials needed by each sensor substrate are relatively less so that the cost of the materials is relatively low and industrialized implementation of the formaldehyde gas sensor can be facilitated.

The present invention provides a triphenylene-perylene monoimide diformate binary compound, which has a structure represented by a general formula I. The present invention further provides a preparation method of the triphenylene-perylene monoimide diformate binary compound, and applications of the triphenylene-perylene monoimide diformate binary compound as an organic solar cell active layer. Compared to the compound in the prior art, the compound of the present invention has advantages of easy adjustment of liquid crystal phase change temperature and temperature range, such that the compound has optical, electronic and electro-optical uses, and especially has uses as the organic solar cell active layer. The general formula (I) is defined in the specification.

The invention provides a preparation method of 3,3',4,4'-tetra carboxylic acid biphenyl and relates to the technical field of organic material preparation. The method mainly comprises the following steps: preparing 3-10% of alkali solution, adding 4-halogenated phthalic acid in the alkali solution, dissolving; adding palladium carbon-potassium iodide binary compound catalyst, dripping alcohols at 80-100 DEG C for 3-8h, after completing the reaction filtrating the solution to obtain the palladium carbon-potassium iodide catalyst; adding the filtrate in 5-10% of sulfuric acid, filtrating the solution to obtain raw tetra carboxylic acid biphenyl and finally refining the raw product; wherein, the molar ratio of COOH in 4-halogenated phthalic acid to OH- in the alkali solution is 1 to 2-3 and the molar ratio of the additive functional hydroxyl of alcohols to 4-halogenated phthalic acid is 1 to 1-3. The invention overcomes the defects of the prior art, and has the outstanding advantages of unique method, simple process, easy operation, high yield, low cost, high production efficiency and economic benefit and the like.