595 results about "Silane compounds" patented technology

A lithium-ion battery having excellent high-temperature storage and high-temperature cycling performance. The lithium-ion battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode comprises a negative electrode material layer containing a silicon-based material. The non-aqueous electrolyte solution comprises a lithium salt, an organic solvent, and an additive, the organic solvent comprising fluoroethylene carbonate, and the additive comprising a silane compound containing at least one carbon-carbon double bond. The lithium-ion battery satisfies the following conditions: 5≤(S*R) / (F*T)≤35, 5≤f≤15, 1.4≤R≤1.68, 9≤S≤18, and 0.01≤T≤0.5. According to the lithium-ion battery, the mass percentage content of the organic solvent and the additive in the non-aqueous electrolyte solution are controlled, and the mass percentage content of elemental silicon in the negative electrode material layer is controlled and the compaction density of the negative electrode material layer is controlled to be within a certain range, such that the lithium-ion battery has excellent high-temperature storage performance and an excellent high-temperature cycle life, while also taking into account high energy density.

A multifunctional organosilicon compound is provided which has the general formula XSi([OSiR2]p-0-SiR2Y)a(R1)3-a— ln the formula, X is selected from H and ethylenically un saturated moieties; each Y independently comprises a functional moiety selected from alkoxysilyl moieties, acryloxy moieties, and epoxide moieties; each R is an independently selected hydrocarbyl group; each R1 is an independently selected hydrocarbyl group; subscript a is 1, 2, or 3; and each subscript b is independently 0, 1, or 2. A method of preparing the multifunctional organosilicon compound is also provided. The method comprises reacting (A) an organosilanol compound and (B) a silane compound having at least two hydrolysable groups. A functionalized siloxane compound prepared from the multifunctional organosilicon compound, a method of preparing the functionalized siloxane compound, and an adhesive comprising the functionalized siloxane compound are also provided.

Provided is an adhesive composition from which an adhesive layer having excellent heat-resistant durability can be formed. This adhesive composition comprises a (meth)acrylic resin, a crosslinking agent, a silane compound, and an ionic compound, wherein: the (meth)acrylic resin contains, as monomer units, an alkyl (meth)acrylate having a homopolymer glass transition temperature of lower than 0ºC, an alkyl (meth)acrylate having a homopolymer glass transition temperature of at least 0ºC, and a monomer having a polar group; and the ionic compound contains a cyano group-containing anion.

[Problem] To provide: metal oxide particles that can be highly concentrated in an organic solvent, which is a dispersion medium for a metal oxide sol, and can also be redispersed in the organic solvent; a metal oxide sol containing the metal oxide particles; and a method for producing same. [Solution] Metal oxide particles surface-coated with a hydrolysate of a silane compound (A) having two chemical groups (a1) and two hydrolyzable groups (a2), wherein the metal oxide particles contain a basic compound (I) (excluding ammonia), have a hydrophobicity of 30-80 vol% as measured by a methanol titration method, and can be dispersed at a particle refractive index of 1.4-3.0 and at a metal oxide concentration of at least 40 mass% in an organic solvent, or can be dispersed at a particle refractive index of at least 1.1 and less than 1.4 and at a metal oxide concentration of at least 25 mass% in an organic solvent.

The invention relates to the technical field of coating materials, and discloses a pure titanium micro-arc oxidation coating for a vacuum cup and a preparation method thereof.The preparation method comprises the following steps that surface pretreatment is conducted, specifically, a pure titanium vacuum cup inner container workpiece is sequentially subjected to degreasing, acid pickling and ultrasonic cleaning; preparing an electrolyte, namely adding 15-25 parts by weight of a silicon-containing compound, 5-12 parts by weight of metal salt, 3-8 parts by weight of an antibacterial agent and 1-5 parts by weight of a stabilizer into deionized water, and controlling the pH value to be 8.5-10.5; and performing micro-arc oxidation treatment. According to the invention, a silane compound in the micro-arc oxidation electrolyte contains a high-activity silanol group which is subjected to condensation reaction with titanium hydroxyl on the surface of a pure titanium substrate under the action of an electric field to form stable covalent bonding, so that the bonding strength of the coating and the substrate is enhanced; metal ions generated by metal salt electrolysis are co-deposited with titanium ions through plasma discharge, a composite oxide structure is constructed, and micro defects on the surface of a titanium substrate are sealed.

The invention discloses conductive paste, a preparation method thereof and a radio frequency identification tag. The conductive paste comprises the following raw materials in parts by mass: 30-40 parts of spherical silver powder, 3-6 parts of carbon nanotubes, 20-30 parts of a resin adhesive, 40-50 parts of a diluent and 2-4 parts of a dispersant, the resin adhesive comprises polyurethane resin and an organosilicone modified acrylate monomer in a mass ratio of (8-9): (1-2), and the organosilicone modified acrylate monomer is obtained by hydrosilylation of a hydroxyl acrylate monomer and a hydrogen-containing silane compound in a molar ratio of (1.0-1.1): 1. According to the invention, the contradiction between the conductive performance and fluidity and the product flexibility of the conductive paste can be effectively solved, and the RFID product with high conductivity, printing quality and mechanical flexibility can be prepared.

A composition according to the present disclosure contains: a hydrolyzable group–containing silane compound (A) that does not contain elemental fluorine; and a non-functional silicone oil (B).

The invention relates to a binder composition for manufacturing a wood-based material, a method for manufacturing such a wood-based material and such a wood-based material. In order to provide a binder composition for manufacturing a wood-based material, in which the speed of curing can be specifically controlled and at the same time diffusion of the binder into the wood material to be bound is prevented in the best possible way, thereby ensuring a safe, fast and cost-effective manufacturing process with the lowest possible use of binder, fast and cost-effective manufacturing process with the lowest possible binder consumption without reducing the product quality, it is provided that the binder composition comprises an organic phase having at least one polymer adhesive, an aqueous phase, at least one phase transfer catalyst for accelerating the curing of the polymer adhesive and a hydrophilizing agent comprising or formed from at least one silane compound for increasing the hydrophilicity of the polymer adhesive and / or for reducing the penetration of the polymer adhesive into the material of the wood-based material to be bonded.

The present invention provides a compound represented by the following formula (1) wherein R1 is a monovalent group containing one or more Si atoms to which neither a hydroxyl group nor a hydrolyzable group is directly bonded, X1 is a divalent organic group including an alkylene group having 11 or more carbon atoms, and RSi is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is bonded.         R1-X1-RSi     (1)

This fluoropolyether-based curable composition contains(A) a perfluoropolyether compound having two or more alkenyl groups per molecule,(B) a fluorine-containing organo hydrogen silane compound having two or more hydrosilyl groups having a specific structure,(C) a platinum group metal-based catalyst, and(D) a specific amount of at least one filler selected from organic resin powders and carbon black powders.Such a fluoropolyether-based curable composition can provide a cured product that has endurance against fluoric acid and electrolytic solutions for lithium ion batteries, has fine mechanical properties, and has excellent releasability because of not having uncured portions resulting from low compatibility between structural ingredients.

The invention discloses a high-strength antibacterial polypropylene staple fiber and a preparation method thereof. The polypropylene staple fiber comprises the following raw materials in parts by mass: 100 parts of polypropylene and 1-3.5 parts of modified nano titanium dioxide, the modified nano titanium dioxide comprises the following raw materials: nano titanium dioxide, a vinyl silane compound, double-end hydrogen-containing silicone oil and styrene in a mass ratio of 100: (3-5): (10-30): (2-5), and the double-end hydrogen-containing silicone oil has two silicon hydrogen end-capping groups; the nano titanium dioxide is subjected to surface treatment by a vinyl silane compound, and then is subjected to hydrosilylation reaction with double-end hydrogen-containing silicone oil and styrene under the action of a platinum catalyst. According to the invention, the polysiloxane chain segment with enhancing, plastifying and broad-spectrum antibacterial effects is introduced to graft the nano titanium dioxide, so that the balance of various properties such as mechanical strength, antibacterial efficiency and softness of the polypropylene staple fiber is realized.

A fluorine atom-containing silane compound represented by formula (1), wherein the meaning of each symbol is the same as that described in the description. (Rf1) [alpha] 1-XA-(RSi) [alpha] 2... (1)

The present invention relates to: an organosilane compound; a hair coloring composition comprising same; and a hair coloring shampoo comprising same. Also, the present invention relates to a composition for hair. By comprising an organosilane compound having a specific structure, the composition according to the present invention can achieve the effects of preventing and reducing hair frizz, preventing thermal damage to hair, and styling hair.

The invention provides a polymer and a preparation method and application thereof, the preparation method comprises the following steps: 1, mixing dopa and / or dopamine with an organic solvent, and adding an organic alkali and a silane compound to obtain a first intermediate product; 2, mixing the first intermediate product with an organic solvent, adding a pH regulator, and carrying out a stirring reaction to obtain a second intermediate product; 3, mixing a diphenyl sulfone compound with an organic solvent, adding the second intermediate product, and stirring for reaction to obtain a third intermediate product; 4, mixing the third intermediate product with an organic solvent, and adding ammonium salt to obtain a fourth intermediate product; and 5, mixing the fourth intermediate product, bisphenol A and an organic solvent, adding an inorganic base, and carrying out a stirring reaction to obtain the polymer. When the polymer is used for preparing the alkaline water electrolysis composite membrane, the wettability of the composite membrane and electrolyte can be improved, the surface resistance of a diaphragm is reduced, and the electrolytic efficiency and mechanical stability of the diaphragm are improved.

The purpose of the present invention is to provide a copper-based material having excellent adhesion and heat resistance, a method for producing a copper-based material, and a laminate. The copper-based material according to the present invention has a first surface-treated layer on or on the surface of the copper-based material, and a second surface-treated layer between the copper-based material and the first surface-treated layer, the first surface-treated layer being a layer formed from a first agent, and the second surface-treated layer being a layer formed from a second agent. The first agent contains: a copolymer (A) of a polyphenylene ether resin having a hydroxyl group at one terminal and / or both terminals of the molecule and a silane compound having an acyloxyalkyl group, a hydrolysate thereof, or a condensate thereof; and water, the second surface treatment layer being formed from a second agent containing: a metal compound (B) containing at least one metal element selected from the group consisting of zirconium, titanium, and trivalent chromium; and a compound (D) containing elemental vanadium.

The present disclosure provides silane compounds and silicone polymers, methods of preparing the silane compounds and silicone polymers, and use of the silane compounds and silicone polymers. The present disclosure further provides use of the silane compounds and silicone polymers as antidegradants.

The purpose of the present disclosure is to provide an article comprising a surface treatment layer having favorable durability.　This article comprises a base material (A), a water and oil repellent layer (C), and a silicon oxide layer (B) which is disposed between the base material (A) and the water and oil repellent layer (C) and contains alkali metal atoms. In the silicon oxide layer (B), the average value of the concentration of alkali metal atoms in a region having a depth of 0.1-0.3 nm from a surface in contact with the water and oil repellent layer (C) is 1.4×1018 atoms / cm3 to 2.6×1020 atoms / cm3. The water and oil repellent layer (C) is formed from a silane compound containing an Si atom to which a hydroxyl group or a hydrolyzable group is bonded, and the structure of the silane compound does not include a fluorine atom.

Provided is a curable silicone composition that can form a cured product having good adhesion strength to a substrate made of polyphenylene. The curable silicone composition of the present disclosure comprises (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane having an average of two or more silicone atom-bonded hydrogen atoms per molecule and free of alkenyl groups, (C) an α-silane compound having a specific chemical structure, and (D) a curing catalyst.

The present application relates to the field of polymerization aids, and aims at the problem of easy precipitation of crosslinking aids for photovoltaic adhesive films, and provides a precipitation-preventing crosslinking aid polyolefin grafting material and a preparation method and application thereof.The precipitation-preventing crosslinking aid polyolefin grafting material comprises the following components: a polyolefin elastomer, a first monomer and a second monomer; the first monomer is at least one selected from triallyl isocyanurate, triallyl cyanurate and an acrylate compound containing 2-4 carbon-carbon double bonds; and the second monomer is a dialkoxy silane or trialkoxy silane compound containing a carbon-carbon double bond.The present application uses a polyolefin elastomer as a base, adds the first monomer and the second monomer to obtain a high grafting rate, low crosslinking photovoltaic crosslinking aid grafting material, the crosslinking aid grafting material is free of crystal point impurities, has good transparency, high effective grafting rate, small melt index drop, high volume resistivity and high transparency, and is suitable for photovoltaic adhesive films.

An object of the present invention is to provide rubber-bonded cellulose fibers that are less likely to cause an increase in viscosity or melt viscosity when added to various resins. Rubber-bonded cellulose fibers that solve the above problem contain cellulose fibers; a plurality of rubber particles disposed on surfaces of the cellulose fibers and having an average particle size of 300 nm or less; and a silane compound that bonds the cellulose fibers and the rubber particles.

To provide metal oxide particles that are capable of being highly concentrated in an organic solvent acting as a dispersion medium of a metal oxide sol, and also capable of being redispersed in the organic solvent, as well as a metal oxide sol containing the metal oxide particles and methods for producing them.SOLUTION: The present invention provides metal oxide particles that are surface-coated with a hydrolysate of a silane compound (A) having two chemical groups (a1) and two hydrolyzable groups (a2), and a hydrolysate of a silane compound (B) having three chemical groups (b1) and one hydrolyzable group (b2), wherein the metal oxide particles contain a basic compound (I), and the metal oxide particles have a particle refractive index of 1.4 to 3.0 and are dispersible in an organic solvent at 40 mass% or more in terms of metal oxide concentration, or have a particle refractive index of 1.1 to less than 1.4 and are dispersible in an organic solvent at 25 mass% or more in terms of metal oxide concentration.SELECTED DRAWING: Figure 1

The invention discloses an electrochemical method of deuterated silane. The method comprises the following steps: in a protective atmosphere, mixing substituted silane, an electrolyte, a nickel catalyst, a ligand and deuterium water in a solvent, carrying out an electrochemical deuterization reaction under a constant current condition, and carrying out post-treatment to prepare the deuterated silane compound. The method takes deuterium water as a deuterium source, and is green, economical, cheap and easy to obtain; a catalytic amount of nickel and silane form a silicon-nickel intermediate, so that the polarity of silicon is reversed, and the generation of a silane self-coupling product and a silanol byproduct is effectively avoided; the electrochemical synthesis method has the characteristics of mild reaction conditions, cleanness, greenness and simplicity in reaction operation. The electrochemical synthesis method provided by the invention realizes successful preparation of the natural product post-modified deuterated silane, and has important significance in the aspects of drug development and deuterated compound research; the electrochemical synthesis method disclosed by the invention can resist high current to prepare the ten-gram-grade deuterated silane, and has a wide industrial application prospect. In addition, the deuterated silane synthetic product can be used as a silicon deuteration reagent, the practicability of the deuterated silane synthetic product in unsaturated bond reduction reaction is proved, and the deuterated silane synthetic product has a wide development prospect.

The application provides a kind of nano photothermal hydrophobic material and preparation method and application, it is related to coating filler technical field.A kind of nano photothermal hydrophobic material, with polypyrrole nano photothermal material as core, surface is wrapped with fluorine-containing silane modified silica layer;Wherein polypyrrole nano photothermal material is with polypyrrole modified photothermal nano material;Its preparation method, polypyrrole nano photothermal material is dispersed in solvent, silane compound is added, silane compound is hydrolyzed, and polypyrrole nano photothermal material surface is wrapped with silica shell;Fluorine-containing silane is added, and fluorine-containing silane is grafted to silicon shell, to obtain nano photothermal hydrophobic material.The prepared nano photothermal hydrophobic material has photothermal conversion, superhydrophobic performance, and the preparation cost is lower, can be used for coating filler, under low temperature and high humidity environmental conditions, the deicing effect is remarkable, and the icing time is prolonged.

An object of the present application is to provide a urethane-based adhesive composition which is excellent in bonding durability to an olefin resin. The present application is a urethane-based adhesive composition containing: a urethane prepolymer having an isocyanate group; an isocyanurate compound of 1,5-pentanediisocyanate and / or 1,6-hexanediisocyanate; and a secondary amino silane compound.

The invention discloses a chiral hydrosilane compound as well as a preparation method and application thereof. The structural formula of the chiral hydrosilane compound is shown as a formula (I). The chiral hydrosilane compound can be prepared by two methods, one method comprises the following steps: synthesizing tert-butyldihydrosilane from cheap and easily available phenyl silane through a Grignard reagent reaction, adding a ligand and hexamethyldisilylamino potassium to react with benzyl alcohol in a copper tetracyano hexafluorophosphonate catalysis manner, and carrying out reduced pressure distillation to obtain the chiral hydrosilane compound. And finally, synthesizing a hydrogen silane compound with chirality. And the other method comprises the step of adding a brominated compound and cesium carbonate in a copper metal catalysis process to generate the chiral hydrosilane compound. According to the invention, the range of the product is widened to a great extent, and a foundation is laid for subsequent application and transformation. # imgabs0 #

The present invention provides a negative type optical sensitivity composition and use thereof, wherein the negative type optical sensitivity composition comprises: 50 to 60 weight percent of an alkali-soluble resin; 10 to 20 weight percent of an acrylic monomer or oligomer thereof; 3 to 8 weight percent of a photoinitiator; 0.3 to 1 weight percent of an adhesion agent, wherein the adhesion agent is a nitrogen-containing silane compound; and a balance of a solvent.

A functionalized inorganic filler includes an inorganic particle which includes a surface functionality. The surface functionality is at least one amine group linked to a surface of the inorganic particle. The functionalized inorganic filler is formed from a reaction between an inorganic particle and an aminosilane compound. A method of making a functionalized inorganic filler includes providing inorganic particles with at least one aminosilane compound to form a reactive mixture and agitating the reactive mixture to form the functionalized inorganic filler. A polymer composite includes an epoxy-based polymer matrix and the functionalized inorganic filler. A reinforced thermoset composite pipe includes the polymer composite.

The present invention relates to a specific triazinesilane compound, its oligomer, a mixture containing said compound and / or said oligomer, and respective storage and working solutions.Furthermore, the present invention relates to a synthesis method for said specific triazinesilane compound, and the use of said working solution as a surface treatment liquid.

The present invention provides a chemical mechanical polishing composition and a chemical mechanical polishing method, which can polish semiconductor substrates containing conductive metals such as tungsten and cobalt at high speed and flatness, and can reduce surface defects after polishing. The chemical mechanical polishing composition of the present invention contains: (A) silica particles containing functional groups represented by the following general formula (1); and (B) a silane compound. ‑ M + ·····(1)(M + represents a monovalent cation).

To provide a thermosetting composition that exhibits superior thixotropic properties and forms a cured product having both thermal and electrical conductivity, as well as a composition for fixing a semiconductor element comprising the thermosetting composition, and a composition for forming a thermally and electrically conductive film comprising the thermosetting composition.SOLUTION: There are provided a thermosetting composition comprising the following components (A) and (B), a composition for fixing a semiconductor element comprising the thermosetting composition, and a composition for forming a thermally and electrically conductive film comprising the thermosetting composition. Component (A): a silane compound polymer having a repeating unit [repeating unit (1)] represented by formula (a-1) [R1 represents an unsubstituted hydrocarbon group having 1 to 12 carbon atoms or a hydrocarbon group having 1 to 12 carbon atoms with a substituent]. Component (B): a carbon-based filler.SELECTED DRAWING: None