168 results about "Silylene" patented technology

The invention relates to a compound, a composition, an organic optoelectronic device, and a display device. The compound is represented by Chemical Formula 1, where X1 and X2 are each independently NRa, O, S, Se, or Te, any one of R1 to R10 is a group represented by Chemical Formula A, the remaining ones of R1 to R10 and Ra are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted amine group, a substituted or unsubstituted silyl group, a cyano group, or a halogen, and R1 to R10 and Ra are each independently present, or adjacent two of R1 to R10 and Ra are linked to form a ring.

The present invention provides a composition, etc., with which it is possible to form a surface-treated layer exhibiting excellent liquid repellency and durability.　This composition includes: a first compound that has an organo(poly)siloxane residue, a C3 or higher alkylene chain, and a reactive silyl group a; and a second compound that does not have an organo(poly)siloxane residue, and has a reactive silyl group b and a C4 or higher hydrocarbon group optionally having a functional group or a substituent. The composition satisfies the following requirements (1) and (2). Requirement (1): In the first compound, one reactive silyl group a is linked to at least one terminal of the organo(poly)siloxane residue. Requirement (2): In the second compound, one reactive silyl group b is linked to at least one terminal of the hydrocarbon group.

A method of making a curable thermally conductive composition, comprising the steps of: I) preparing an admixture comprising the following components (A1) an alkenyl-functional polyorganosiloxane of formula (I), (A2) a silyl-hydride functional polyorganosiloxane having an average of at least two silicon atom-bonded hydrogen atoms per molecule and free of a silicon atom-bonded alkyloxy group, (A3) a platinum-based hydrosilylation reaction catalyst, (B) from 92 to 97 weight percent of a thermally conductive filler, based on the weight of the curable thermally conductive composition; and (C) a monotrialkoxysiloxy-terminated polydiorganosiloxane of formula (III), where the silyl-hydride functional polyorganosiloxane is present in an amount to provide a molar ratio of silicon atom-bonded hydrogen atoms in the silyl-hydride functional polyorganosiloxane (A2) to alkenyl groups in the alkenyl-functional polyorganosiloxane (A1) in a range of from 0.2 to 0.65; where the monotrialkoxysiloxy-terminated polydiorganosiloxane is present in an amount of from 20 to 80 weight percent, based on the combined weights of components (A1), (A2), (A3), and (C); II) curing the admixture obtained from step I) by heat, thereby forming a pre-cured composite; and III) admixing the pre-cured composite obtained from step II) with (D) a condensation reaction catalyst and (E) a specific alkoxysilane compound of formula (V); thereby obtaining the curable thermally conductive composition.

A process for the preparation of a curable thermally conductive composition and the process comprises the steps of: (I) preparing an admixture comprising the following components (A), (B1), (C), (D) and (E): (A) 3 wt% to 10 wt% of a Q-branched alkenyl functional polyorganosiloxane having at least three terminal alkenyl groups per molecule, and having a viscosity of from 25 mPa * s to 2000 mPa * s as determined at 25 DEG C according to ASTM D445-21 using a viscometer of the glass capillary Cannon-Finsky type; and a method for preparing the same, wherein the viscosity is from 25 mPa * s to 2000 mPa * s as determined at 25 DEG C using a viscometer of the glass capillary Cannon-Finsky type; (B1) a silyl-hydride functional polysiloxane crosslinker containing at least two silyl-hydride groups per molecule, and present in a concentration that provides a molar ratio of silicon-bonded hydrogen atoms in (B1) to alkenyl groups in the Q-branched alkenyl functional polyorganosiloxanes in the range of 0.2 to 0.35; (C) 90 wt% or more of a thermally conductive filler; (D) a filler treatment agent; and (E) a platinum-based hydrosilylation reaction catalyst; (II) curing the admixture obtained from step (I) by heat, thereby forming a pre-cured composite material; and (III) mixing the pre-cured composite material obtained from step (II) with (B2) a silyl-hydride functional polysiloxane cross-linking agent containing at least two silyl-hydride groups per molecule; thereby obtaining a curable thermally conductive composition; wherein the molar ratio of the total silicon bonded hydrogen atoms in the silyl-hydride functional polysiloxane crosslinkers (B1) and (B2) to the alkenyl groups in the Q-branched alkenyl functional polyorganosiloxane (A) is greater than 0.45; and wherein the weight percentages are relative to the weight of the curable thermally conductive composition.

The invention relates to acrylate modified silicone oil, a preparation method and application of the acrylate modified silicone oil in preparation of a photocuring release agent. Belongs to the technical field of organosilicone. The acrylate modified silicone oil is prepared from the following raw materials in parts by mass: 5 to 15 parts of 2-acrylic acid 3-(diethoxymethylsilyl) propyl ester, 80 to 100 parts of a dimethyl cyclosiloxane mixture, 0.06 to 1 part of hexamethyldisiloxane, 0.03 to 1 part of an acid solution and 10 to 30 parts of a dehydrating agent. The used raw materials are few in variety, and the synthesized acrylate modified silicone oil is simple in molecular structure and does not contain functional groups with special structures; the high-viscosity silicone oil with high acrylate content can be synthesized by adopting the 4A molecular sieve and other dehydrating agents in the raw materials.

A curable thermally conductive composition contains: (a) one or more vinyldimethyl terminated polydimethylsiloxane; (b) a silyl-hydride functional polysiloxane that contains at least two silyl-hydride groups per molecule; (c) filler treating agents; (d) 94 to 97 weight-percent thermally conductive fillers that include diamond particles with a Dv50 in a range of 60 to 150 micrometers.

Provided are: a composition and a surface treatment agent which each include a first compound that has a divalent chain group and one reactive silyl group bonded only to one end of the divalent chain group and a second compound that has a divalent chain group and two or more reactive silyl groups bonded only to one end of the divalent chain group or which each include a third compound that has a divalent chain group and two reactive silyl groups bonded respectively to both ends of the divalent chain group and a fourth compound that has a divalent chain group and two or more reactive silyl groups bonded to each of both ends of the divalent chain group; an article including a surface treatment layer formed using the surface treatment agent; and a method for producing the article.

An antifouling coating composition comprising: (A) a binder comprising a (meth) acrylic copolymer (i) comprising a silyl ester group; (B) from 2.0 to 30% solids volume, such as from 5.0 to 20% solids volume, of cuprous oxide; and (C) 2.0 to 65% solids volume, such as 10 to 55 solids volume% of hollow spheres.

A table tennis rubber sheet comprising at least an elastic body sheet, wherein the elastic body sheet comprises a crosslinked silicone rubber as a binder, and a hydrosilyl group content in the crosslinked silicone rubber is 5.0×10−4 mol / g or less.

1) A crosslinkable adhesive composition comprising:at least one polymer (A) comprising a hydrolyzable alkoxysilane group;at least one tackifying resin (B);at least one pyrogenic silica (C), preferably hydrophobic;at least one crosslinking catalyst (D); anda silsesquioxane resin (E).2) Use of said composition for the semi-structural joining of two substrates.3) A process for assembling two substrates, comprising:melting said composition by heating to a temperature from 30 to 130° C., thendepositing said composition on a surface of a first substrate, thencrosslinking said composition by heating at a temperature from 15 to 200° C. and bringing said surface into contact with a surface of a second substrate.

Certain embodiments of the invention provide a supported cationic Ru catalyst that is highly active in catalyzing olefin metathesis. Certain embodiments of the invention also provide a method of making a supported cationic Ru catalyst described herein, comprising contacting a Ru catalyst with a silylium-capped support.

The present invention provides a non-fluorine-based (i.e., a non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine-based, non-fluorine- ), an article surface-treated with the surface treatment agent, and a method for forming a coating film by applying the surface treatment agent on a substrate. A non-fluorine-based surface treatment agent containing: (A) a non-fluorine-based hydrocarbon terminal group-containing compound having at least one C4-32 linear, branched or cyclic monovalent hydrocarbon group at a molecular chain terminal and having at least one reactive silyl group at another molecular chain terminal, and / or a partial reaction condensate thereof; and (B) a compound having a functional group and a silanol group or a hydrolyzable silyl group at a molecular chain terminal, or a compound having a silanol group or a hydrolyzable silyl group at both molecular chain terminals: 1-50 mass% of the total of component (A) and component (B).

The invention discloses a silylene ligand supported metal cobalt catalyst and a preparation method and application thereof, and belongs to the technical field of metal organic catalyst.The preparation method comprises the steps that indole and n-butyllithium serve as raw materials and are subjected to a deprotonation reaction in a tetrahydrofuran solvent at the room temperature, 2-lithium indole is obtained, a tetrahydrofuran solution of chlorosilylene is added at the low temperature, and the 2-lithium indole is obtained; and carrying out nucleophilic substitution reaction at room temperature, and substituting Li in 2-lithium indole with silicon in chlorosilylene to obtain the silylene ligand. The preparation method comprises the following steps: taking a silylene ligand and a cobalt complex as raw materials, carrying out ligand substitution reaction at room temperature in a tetrahydrofuran solvent, and substituting a ligand in the cobalt complex with the silylene ligand to obtain the metal cobalt catalyst supported by the silylene ligand. The prepared metal cobalt catalyst supported by the silylene ligand is used for catalyzing olefin hydrosilylation reaction, ultrahigh catalytic activity is shown, complete conversion of olefin is achieved, Markov products are obtained with excellent selectivity, and therefore the problems of cost and product selectivity in industrial production are solved.

A silicone elastomer composition contains the following components: (a) hydroxyl-functional polyorganosiloxane gum; (b) pendant alkenyl-functional polyorganosiloxane gum; (c) silylhydride-functional crosslinker containing an average of at least 2 SiH groups per molecule; (d) hydrosilylation catalyst; (e) hydrosilylation inhibitor; (f) solvent; (g) optionally, terminal alkenyl-functional polyorganosiloxane gum that is free of pendant alkenyl groups; and (h) optionally, tetraalkoxysilane; where: (i) the silicone elastomer composition is free of MQ resin; (ii) the weight ratio of components (a) / (b) is in a range of 0.1 to 10; (iii) the mole ratio of (SiH) / (C＝C) is in a range of one to 20; and (iv) the weight percent of alkenyl groups relative to total weight of components (a), (b) and (g) is in a range of 0.035 to 1.00.

A method for electrometallizing one or more rare earth elements includes combining a rare earth element-containing compound comprising one or more rare earth elements with a silylamide-containing anhydrous electrolyte comprising one or more silylamide compounds to form a complex-containing anhydrous electrolyte comprising one or more silylamide-rare earth element complexes. The method also includes applying an electrical potential across electrodes of an electrochemical cell containing the complex-containing anhydrous electrolyte. The electrodes are disposed in the complex-containing anhydrous electrolyte. The method further includes collecting a deposit of at least one rare earth element on at least one electrode. Also disclosed is a system for electrometallizing one or more rare earth elements.

A compound of Chemical Formula 1:where at least one of R7 to R10 is Chemical Formula A, and the remaining R7 to R10 are hydrogen:wherein in Chemical Formula A, means a bond with R7 to R10; R15 is hydrogen, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or adjacent groups bond to each other to form a substituted or unsubstituted ring; and the other substituents are as defined in the specification, and an organic light emitting device including the same.

An organic light-emitting device including: a first electrode and a second electrode each having a surface opposite the other; and an intermediate layer disposed between the first electrode and the second electrode, the intermediate layer including a first compound and a second compound, wherein the first compound includes a first silyl group-containing group and at least two carbazole-derived groups, wherein one carbazole-derived group of the at least two carbazole-derived groups is bonded via a N atom to another carbazole-derived group, the second compound includes a second silyl group-containing group, a triazine group, and a carbazole-derived group, and at least one of the first compound or the second compound has a triplet (T1) energy level of 2.81 eV or more.

To provide a curable composition that yields a cured product which readily elongates even under a small load, or a curable composition that exhibits little change in physical properties even after high-temperature storage.SOLUTION: A curable composition according to one embodiment of the present invention comprises: component A, a (meth)acrylic polymer having a silyl group; component B, a hydrocarbon having a carbon-carbon double bond within the molecule; component C, a radical generator; and component D, a curing catalyst. Component A is a polymer meeting specific requirements.SELECTED DRAWING: None

Aspects of the present disclosure provide for composite structures including a bonding layer that adheres a substrate (e.g., including a polymeric composition such as rubber) to a material (e.g., including a polymer such as polyurethane). The adhesion of the substrate to the material through the bonding layer can include chemical bonds such as, but not limited to, siloxane linkages, silanol linkages, silyl linkages, or any combination thereof in the bonding layer.

The present application relates to an article having a water / oil repellent surface layer. An article is provided, which is composed of a glass substrate, a base layer of a silicon oxide as a main component formed on the outer surface of the glass substrate, and a water / oil repellent surface layer formed on the outer surface of the silicon oxide base layer, in which the film density of the silicon oxide base layer is 1.8 to 2.2 g / cm 3 , and the water / oil repellent surface layer is a water / oil repellent surface layer excellent in water / oil repellency, abrasion resistance (eraser abrasion durability), and sliding properties, which is composed of a cured product of a fluorine-containing polyether group-containing polymer having a hydrolyzable silyl group of a specific structure and / or a partial hydrolysis condensate thereof as a main component.

The invention relates to an anisotropic conductive film and a display device including the same. Specifically, the present invention relates to an anisotropic conductive film comprising a compound represented by Chemical Formula 1: [Chemical Formula 1] # imgabs0 # in Chemical Formula 1, r is any one of a halogen element, a hydroxyl group, a substituted or unsubstituted imino group, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C10 oxy group, a substituted or unsubstituted carbonyl group, a substituted or unsubstituted C2 to C10 alkenyl group, and a substituted or unsubstituted C2 to C10 alkynyl group.

The utility model discloses a baking device for silylene heating material processing, and relates to the technical field of silylene heating material processing. A baking device for silylene heating material processing comprises a baking box, a sealing box door is rotationally connected to the baking box, a material supporting plate is fixedly connected to the inner bottom end of the baking box, the baking device further comprises a mounting frame, the mounting frame is fixedly connected to the baking box, and an air cylinder is fixedly connected to one side in the mounting frame. A silylene material is placed on the material supporting plate and placed into the baking box, the sealing box door is closed to enable the interior of the baking box to be in a closed state, the air suction pump operates to vacuumize the interior of the baking box through the connecting pipe, and inert gas is conveyed into the baking box through the air storage cylinder and the air conveying pipe. The inert gas can play a protection role in the baking process of the silylene heating material, so that the material is prevented from reacting with oxygen or other active gases in the air at a high temperature, and the conductivity and the thermal stability of silylene are not influenced.

A thermally conductive curable composition includes a first part and a second part, wherein the first part comprises a catalyst, a ceramic filler mixture, a low volatile organic liquid, and water, and the second part comprises a silyl modified reactive polymer, a low volatile organic liquid, and the ceramic filler mixture, and the low volatile organic liquid is present in the composition in an amount greater than about 50 wt. % based on the total weight of the silyl modified reactive polymer.

The additive for nonaqueous electrolyte solution contains a bisalkoxysilyl compound having 2 or more silyl groups connected by an alkylene group or an amino group, the 2 or more silyl groups each having at least one selected from the group consisting of an alkoxy group and an oxyalkyl group, the oxyalkyl group being represented by -O-(C x H 2x+1 O y ) represents, x is an integer of 1 or more, and y is an integer of 1 or more.

A process for preparing a silanol-functional organosilicon compound from a silyl hydride and an oxidizing agent is provided. The oxidizing agent comprises peracetic acid.

Provided is a stabilized polymer composition comprising a silyl-modified polymer material to be stabilized and a stabilizer composition comprising at least one hindered phenol antioxidant and at least one hindered hydroxybenzoate; and optionally at least one hindered amine light stabilizer, and / or at least one UV absorber and / or at least one moisture scavenger making it possible to enhance the thermal stability of the silyl-modified polymers based formulations, for applications such as sealants, coatings and adhesives. The present invention also relates to a use of said stabilizer composition as stabilizer in sealants, adhesives and / or coatings based on at least one silyl-modified polymer and to a method of improving thermal stability of silyl-modified polymer based adhesives, sealants and / or coatings comprising adding of at least one said stabilizer composition to a stabilized polymer composition comprising a silyl-modified polymer.

A chromophore having a down-conversion capability, an encapsulant film, glass, and a photovoltaic module. The chromophore has a structural formula as shown in formula (I-1) and / or formula (I-2), wherein n is any integer from 0 to 100; E0 comprises any one of an alkynyl group, an alkenyl group, a silyl, a silaphenyl group, and a silenyl group; Ex is selected from a group consisting of an optionally substituted silyl group, a silicon-containing heterocyclic group, a silicon-containing benzofused cyclic group, an alkenyl group, a heteroalkyl group, an aryl group, a heteroaryl group, an amino group, an acylamino group, a cyclic acylamino group, a cyclic imide group, an alkoxy group, a carboxyl group, and a carbonyl group; E2 is selected from a group consisting of an optionally substituted silylene, silenylene, an alkylene group, an alkenylene group, an oxy group, a silicon-containing arylene group, a heteroarylene group, carbonyl, and ester; Gx is independently selected from a group consisting of an optionally substituted alkylene group, a silylene group, an optionally substituted silicon-containing alkenylene group, a silicon-containing alkynylene group, an alkenylene group, an optionally substituted alkynylene group, an optionally substituted arylene group, and an optionally substituted silicon-containing arylene group; and A1, and A2 are each independently selected from a substituted aryl group and a substituted heteroaryl group; or A1 and A2 are each independently selected from a substituted silicon-containing heterocyclic group, a silicon-containing benzofused cyclic group, and an optionally substituted silyl group.

A composition contains: (a) a vinyl-functional polysiloxane; (b) a silyl hydride functional polysiloxane having on average at least two silyl hydride groups per molecule; (c) 60 to 92 weight-percent thermally conductive filler; (d) a platinum hydrosilylation catalyst; and (e) 0.05 to 2.0 weight-percent of a trialkoxy-functional polysiloxane; where the trialkoxy-functional polysiloxane has two or more trialkoxy functionalities per molecule and a number average molecular weight of 1200 or more and where weight-percents are relative to the composition weight.

A composition contains a mixture of silyl hydride, an alpha-beta unsaturated ester, a Lewis acid catalyst and an amine having the following formula: R1R2R3N; where the nitrogen is not a member of an N═C—N linkage and where each of R1, R2, and R3 is independently selected from a group consisting of hydrogen, alkyl, substituted alkyl, and conjugated moieties; and wherein at least one of R1, R2 and R3 is a conjugated moiety connected to the nitrogen by a conjugated carbon.

The invention discloses a preparation method and application of a siloxyalkene-graphene composite aerogel for in-situ generation of silicon nitride, and belongs to the technical field of composite material preparation technologies and electrochemical energy storage materials. The method comprises the following steps: reacting purified calcium silicide with concentrated hydrochloric acid, washing, drying, and carrying out ultrasonic stripping to obtain silylene; dispersing the composite aerogel and graphene oxide, directionally freezing by liquid nitrogen, and freeze-drying to obtain composite aerogel; and carrying out heat treatment in an argon / ammonia gas atmosphere, and generating silicon nitride on the surface of the silylene in situ. According to the method, uniform compounding of silicon nitride and controllable construction of a three-dimensional porous structure are realized on the basis of topological chemical conversion and directional freezing technologies. The silicon nitride content in the obtained composite aerogel is 10-40%, and the composite aerogel has excellent structural stability and conductive network, can provide reversible capacity of 500-1000 mAh / g under 1.5 C multiplying power when being used as a lithium ion battery negative electrode material, and has good application prospects in the field of energy storage.