167 results about "Ether oxygen" patented technology

A silver and silver alloy plating bath, includes (A) a soluble salt, having a silver salt or a mixture of a silver salt and a salt of a metal such as tin, bismuth, indium, lead, and the like; and (B) a particular aliphatic sulfide compound, such as thiobis(diethyleneglycol), dithiobis(triglycerol), 3,3′-thiodipropanol, thiodiglycerin, 3,6-dithiooctane-1,8-diol, and the like, which contain at least one or more of an ether oxygen atom, a 1-hydroxypropyl group, a hydroxypropylene group, or two or more of a sulfide bond in the molecule, and not containing a basic nitrogen atom. Compared to baths containing aliphatic monosulfide compounds, such as thiodiglycol or beta-thiodiglycol, which do not contain an ether oxygen atom, 1-hydroxypropyl group, a hydroxypropylene group, or two or more of a sulfide bond in the molecule, by having these particular compounds, the plating bath of the present invention has excellent stability over extended time, excellent co-deposition of silver and various metals, and excellent appearance of the electrodeposition coating.

Silanes of the general formulaare prepared, wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 4 to 12 carbon atoms and a lateral hydroxyl group, wherein the hydrocarbon group can be interrupted by an ether oxygen, R5 is a hydrophilic, ionic group. A method for synthesizing these compounds is described. The silanes greatly lower the surface tension or aqueous solutions, the surface tension being reduced to values of about 23 mN/m. The silanes are biologically degradable and have pronounced surfactant properties.

The invention provides a polymer electrolyte, its preparation method and a battery comprising the polymer electrolyte. The polymer electrolyte contains a stance phase and an ionic conductive phase adsorbed on the stance phase. The stance phase is an electrostatic spinning fiber film, and the ionic conductive phase includes a polymer able to undergo complexation with lithium ions and a lithium salt. The polymer able to undergo complexation with lithium ions contains an ether oxygen functional group. A bi-continuous phase composite electrolyte film characterized by high mechanical strength, good flexibility, high ionic conductivity, good thermal stability, high interface stability and good electrochemical stability can be obtained, and the preparation process is simple and is low in cost. The prepared material can be widely used in mobile phones, notebook computers and other mobile devices, as well as electric vehicles and other fields, and has strong practical significance to development of the battery industry. The polymer battery involved in the invention is different from liquid or gel state batteries, is free of plasticizer, does not cause leakage and other potential safety hazards, so that it can be used in high temperature environment, and does not have combustion, explosion and other hidden dangers.

Fullerene derivatives are widely applied to solar cells, cosmetics, biological medicine and other aspects; metallic oxides are applied to catalysis, semiconductor devices, energy storage and other aspects due to the advantages of good stability, easiness for preparation, controllable morphology and the like. The invention provides a preparation method for preparing a composite material by mixing a hydrophilic fullerene derivative with titanium dioxide, zinc oxide, aluminium oxide and other inorganic oxides. A flexible ether oxygen chain contained in the fullerene derivative disclosed by the invention is used for providing a hydrophilic group and improving the compatibility of the hydrophilic group and the oxide; in addition, polyvinyl alcohol and polyvinylpyrrolidone polymer are introduced as a thickening agent and a film forming agent. The composite materials can be prepared into nano-powder body, films or porous materials, have the advantages of high stability and strength, controllable morphology, easiness for processing and the like and can be used as plates, films, coatings, filling particles and the like for clearing free radicals in smog or atmosphere, resisting bacteria and being taken as battery active layers and the like.

The invention relates to a hyperbranched polyether type solid polymer electrolyte and a preparation method thereof. The polymer electrolyte material comprises a polymer substrate material (A), a polymer substrate material (B) and lithium salt (C), wherein, the polymer substrate material (A) is hyperbranched polyether which contains ether oxygen group and has completely amorphous structure; and the polymer substrate material (B) is polymer substrate material with excellent and mechanical property. The solid polymer substrate electrolyte membrane is prepared by one step method of volatile solvent, has simple preparation technique, higher ion electrical conductivity and electrical and chemical stability, has good mechanical performance and heat stability, and can be applied to the preparation of second lithium ion cells.

Alkali metal ions may lead to the production of insoluble materials during the course of stimulating a subterranean formation, particularly when acidizing a siliceous formation or a formation containing a siliceous material. Alkali metal ions may be sequestered using an alkali metal complexing agent in order to reduce their propensity toward forming insoluble materials in a subterranean formation. Methods for stimulating a subterranean formation can comprise: providing a treatment fluid that comprises an alkali metal complexing agent comprising a cyclic polyether having between 3 and 6 ether oxygen atoms present therein, and hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof; and introducing the treatment fluid into a subterranean formation.

The invention relates to a gas separation membrane, particularly a polyether-b-polyamide (PEBA)/polyethyleneglycol (PEG) blend gas separation membrane for acidic gas separation. PEBA containing ether oxygen group and PEG (PEO) used as membrane materials are made into the gas separation membrane by a solution blending method. The blend membrane is preferably permeable for CO2, H2S, SO2 and other acidic gases, and also has high separating property for CO2/N2, SO2/N2, H2S/CH4, CO2/CH4, CO2/H2 or other systems. The blend membrane has a temperature threshold which is related to the molecular weight of the PEG (PEO).

The invention refers to a kind of compound lyosol fixing arrangement agent, a synthesizing method and the usage. The arrangement agent is made up of following products: (1) the silicon sol is made up of gamma-glycidol ether oxygen propyl trimethoxy-silane, water and hydrochloric acid, whose mol proportion is: 1:5-100:1í‡10 -5-1í‡10 -1; (2) the titanium sol is made up of titanic acid butyl ester, water and hydrochloric acid whose proportion is 1:0.1-10:10-200: 1í‡10 -4-1í‡10 -1; (3) the product is produced by mixing above mentioned silicon sol and titanium sol, the mol proportion of silicon and titanium is 1:0.05-1.0. The arrangement agent may form a mesh particle film on the surface of the fiber, realizes the color fixing aim.

The invention provides a block conjugated polymer used for preparing a high-efficiency organic photovoltaic device, and a preparation method thereof. The block conjugated polymer has a structure shown in a formula I, wherein Ar represents an aromatic ring unit, with the aromatic structure of benzene, thiophene, fluorene, carbazole, silicon-aromatic heterocyclic ring or thiazole heterocyclic ring, of a main polymer chain; R1 and R2 are substitution radicals of [1,2,5]thiadiazole[3,4-g]quinoxaline and diazosulfide respectively, and each of R1 and R2 has one of the structures of hydrogen atom, saturated alkane, double-bond alkane, triple-bond alkane, ether-oxygen chain, alkyl-chain amine and sulphydryl; m and n are numbers of structure-repeated units of the main polymer chain; the summation of m and n is an integer more than or equal to 4; and m is more than or equal to 0, while n is more than or equal to 0. The polymer has the characteristics of better matching with solar spectrums, steric hindrance reduction, crystallization property improvement, and vast application prospect on photoelectric functional devices, particularly on polymer solar cells.

Described is a reaction of a fluorinated alkoxide with an alkyl fluorovinylalkyl ether, the alkyl fluorovinylalkyl ether having alpha-beta carbon-carbon unsaturation relative to the ether oxygen, to produce a hydrofluoroether.

The invention relates to a method of silence enhancing magnesium alloy cathode electrophoresis corrosion resistant coating layer. It takes silence enhancing process to the surface of magnesium alloy after cleaning. The silence solution adopts aqueous solution of 2-3 ethoxy, silicone base propyl tetrasulfide, propenyl-3-ethoxy silicane, gama- glycidol ether oxygen propyl-3-methoxyl silence or 2, 3 ethoxy silicone base ethane, and pH value is acidity. The method need not special device to heat, and combining with cathode electrophoresis, the binding power of cathode electrophoresis lacquer and magnesium alloy basal body would be enhanced.

A powder coating or adhesive formulation having therein a filler or pigment treated with at least silanes of formula II and hydrolyzates or condensates of said silanes, where R 1 is a hydrocarbon, acyl, alkylsilyl or alkoxysilyl group; R 2 is a monovalent hydrocarbon group; R3 is alkylene, optionally interrupted with one or more ether oxygen atoms; a 0 or 1; X is an m-valent organic group; one of A and B is NH and the other is 0, and m is 1-20.

The invention relates to a separation membrane, in particular to a novel loaded transition metal composite membrane. A separation layer is compounded on a support layer which adopts a porous membrane or a microporous membrane; the separation layer adopts a polymeric material coating containing ether-oxygen bonds or ketonic oxygen; the upper surface of the separation layer is a transition metal infiltration layer which is contacted with the separation layer through transition metal soluble salt solution; the transition metal infiltration layer is formed by the matching of transition metal ionsand functional groups of the ether-oxygen bonds or ketonic oxygen in the separation layer material; the separation layer material contains the functional groups which can be matched with transition metal ion carriers; and through detection, in the novel loaded transition metal composite membrane, the transition metal ions are only introduced into the surface layer of the dense separation layer atthe thickness of 1-300nm, and olefin is promoted and transferred due to complexation of carrier ions to the olefin, thus improving the separation effect of the olefin/alkane.

This invention has the objective of providing monomer compositions with which polymers of a superior balance of various physical properties such as high oxygen permeability, high water content and a low modulus of elasticity can be obtained. It has the further objective of providing polymers and ophthalmic lenses comprised of said monomers. It is a monomer composition in which three types of monomers specified by the values of Q=(mass of Si atoms in 1 molecule of monomer)/(molecular weight of the monomer) and of Z=(number of ether oxygens in 1 molecule of monomer)+(number of hydroxyl groups in 1 molecule of monomer) are combined in suitable weight ratios.

A rubber composition that can obtain a rubber elastic body having small rolling resistance and excellent impact resilience and a method for producing the same, and a tire having small rolling resistance and excellent impact resilience are provided.

The rubber composition of the present invention is obtained by kneading a rubber component containing a conjugated diene polymer (A) having at least one functional group selected from a tertiary amino group, a thiol group, a hydroxyl group, an epoxy group, a carboxylic acid group, a thioepoxy group, a hydrocarbylthio group and a hydrocarbylsilyl group and a conjugated diene polymer (B) having no functional group chemically bondable to silica, silica (C) and a dispersing agent (D) composed of an organic compound having at least one element selected from the group consisting of nitrogen, carbonyl oxygen and ether oxygen.

The invention relates to a lithium ion battery electrolyte. The lithium ion battery electrolyte comprises a lithium salt, a solvent and additives, wherein the additives are selected from one or combination of the structures: FORMULA which is as shown in the specification, wherein R1, R2, R3, R4 and R5 are independently selected from any one kind of hydrogen group, alkyl group, alkoxy, alkylene, alkyl halide group, alkyl halide oxygen group, alkenyl halide group, hydroxyl, carboxyl, ether oxygen group or halogen, wherein the halogen is F, Cl or Br; A is group constituted by O, S, N or P; and R6, R7, R8, R9 and R10 are independently selected from any one kind of hydrogen group, alkyl group, naphthenic group, alkoxy, phenyl group, fluoroalkane group, fluoro-naphthene group, fluoroalkoxy group, fluorophenyl, fluoro-phenoxyl and a fluoro group which is constituted by O, S, N and P, wherein the halogenating or fluorination is wholly substituted or partially substituted. The lithium ion battery electrolyte provided by the invention has anti-overcharge and flame-retardant functions, and has relatively low adverse influence on the performance of the battery.

The invention discloses an ionic liquid micro-array monomolecular-layer fluorescent sensing film, and a preparation method and application thereof. The ionic liquid micro-array monomolecular-layer fluorescent sensing film is prepared by self-assembling an amphiphilic BOPIDY derivative with a BOPIDY host molecule as a hydrophobic head group and an ether oxygen chain as a hydrophilic tail in hydrophilic ionic liquid 1-butyl-3-methylimidazole tetrafluoroborate and then transplanting the prepared monomolecular-layer fluorescent sensing film onto a gold substrate through microcontact transferring technology. The preparation method is simple to operate and has mild reaction conditions; the prepared fluorescent sensing film has good stability, long service life and high sensitivity in detection of formaldehyde gas and can be applied to sensors for detecting formaldehyde gas; and the fluorescent sensing film can also be installed on a detection apparatus used for detecting formaldehyde gas in virtue of fluorescence principles, and response of the fluorescent sensing film to formaldehyde gas is monitored in real time.

The invention relates to a modified SiO2/PVA (polyvinyl alcohol) film and a preparation method thereof. The preparation method comprises the following steps: dissolving m parts by mass of modified SiO2 particles and (m-100) parts by mass of PVA at dissolution temperature, cooling and carrying out cast molding, or carrying out integral molding at melting temperature, wherein 0<m<=20, and the PVA adopts PVA1750, PVA1778, PVA1788 or PVA1798. The film can be prepared by a running process, extrusion blow-molding process or calendering process. The modified SiO2 preparation method is simple, the modified SiO2 particles can be uniformly dispersed in the PVA, and the ether oxygen bond and amino group in the polyetheramine molecular chain and the hydroxy group in the PVA can form a hydrogen bond, so that the prepared SiO2/PVA film has obviously higher stretching resistance, modulus and heat stability, and is especially suitable for preparing transparent PVA film products.

The invention provides an on-off surface active particle utilizing temperature as a trigger mechanism and belongs to the field of colloid and interface chemistry. The on-off surface active particle consists of non-modified nanosilicon dioxide particles and nonionic amphiphilic products containing short polyoxyethylene chains, wherein the native grain size of each particle is 10-200nm, the use concentration is 0.1-2.0 in mass fraction (the water phase is taken as reference), the polyoxyethylene element number of the nonionic amphiphilic products is 2-6, and the use concentration is 0.01-1.0 times that of critical micelle concentration (the water phase is taken as reference). Nonionic amphiphilic products are absorbed to the surfaces of particles by virtue of hydrogen-bond interaction between ether oxygen atoms of the nonionic amphiphilic products and silicon hydroxyls on the surfaces of the particles in a water medium at a room temperature, so that the surfaces of the particles are subjected to in-situ hydrophobization, and thus the particles have surface activity; when temperature raises to be above the turbidity point temperature of nonionic, hydrogen bonds are broken, the nonionic is desorbed from the surfaces of the particles, the particles lose surface activity; when the temperature returns to the room temperature, the hydrogen-bond interaction recovers, and the particles have surface activity again.

The invention relates to addition compounds suitable for use as wetting agents and dispersants and obtainable by reacting monofunctional or polyfunctional aromatic epoxides with polyoxyalkylenemonoamines having a number-average molecular weight of >400 g/mol, one primary or secondary amino group and at least 4 ether oxygen atoms per molecule, from 90 to 100% of the epoxide groups of the starting material having undergone reaction, the weight fraction of aromatic groups in the addition compounds being not more than 50% and the addition compounds containing per molecule at least one amino group on which salts can be formed, or being present as a salt.

The invention discloses a mixed matrix membrane as well as a preparation method and application of the mixed matrix membrane. The mixed matrix membrane comprises a base material and packing, wherein the base material is polyetherimide and the packing is a molecular sieve; the polyetherimide is selected from one or more of polyetherimide represented by a formula I shown in the specification, wherein A is described in the specification; Z is described in the specification; R is H, CH3 or OCH3; and B is -O-, -CH2-, -CO-, -SO2- or a formula shown in the specification. The mixed matrix membrane takes polyetherimide as the base material so that a polar ether oxygen group in polyetherimide can be sufficiently utilized so as to improve the selectivity of CO2; meanwhile, the molecular sieve with an interconnection pore structure is used as the packing so that the infiltration capacity and the selectivity of gas can be improved and the gas separation performance is excellent. Therefore, the mixed matrix membrane has high selectivity and good gas permeability.

The invention discloses an extracting method for separating and purifying heavy rare earth. The method uses an organic phase containing an extracting agent and a thinning agent for extracting rare earth sulfate solution; and the extracting agent is amide amine functional ion liquid. The method adopts water as strip liquor to reversely extract rare earth elements extracted in n-heptane to obtain reverse extracting liquid containing rare earth so as to realize extraction and separation of the rare earth elements. Solubility of the amide amine functional ion liquid structure in the thinning agent and affinity thereof to rare earth ions are improved due to ether oxygen bonds in the amide amine functional ion liquid structure, so that the separation capacity among the rare earth elements is prominently improved, in particular, heavy rare earth elements are preferentially extracted in the extracting process, and pretreatments of iron and aluminum removal are not needed; and in subsequent reverse extracting process, water is generally used for realizing reverse extraction of heavy rare earth to reduce acid and alkali consumption. The method is excellent in interface phenomenon in the extracting process, and can achieve the extraction and separation effects without saponifying the extracting agent and adding a salting-out agent.