COMPLEXES CONTAINING PHSOPHORUS EXHAUST

... 1421136 Silylated rhodium phosphine complexes DOW CORNING Ltd 8 May 1973 [10 May 1972] 21784/72 Heading C3S The invention comprises rhodium (I) complexes of the formulae wherein X denotes Cl, Br or I, R1 denotes R 3 SiQ-, R denotes alkyl, aryl, aralkyl, alkaryl or (CH 3 ) 3 Si-, provided not more than one R denotes (CH 3 ) 3 Si-, Q denotes a C 1-6 divalent aliphatic hydrocarbon radical and R11 and R111 denote alkyl, aryl, aralkyl, alkaryl or R 3 SiQ-. Complexes in which X denotes chlorine may be prepared by reacting with PR1R11R111, by reacting rhodium (III) chloride with carbon monoxide in methanol and subsequently with PR1R11R111, or by reacting [RhX 3 (PR1R11R111) 3 ] with a primary alcohol in the presence of a base. Complexes in which X denotes bromine or iodine may be prepared by reacting the corresponding chlorine compounds with an alkali metal bromide or iodide. An example ...

Organosilicon Compounds

... 1,195,235. Organosilicon compounds; modified polyethers; polyurethane foam. IMPERIAL CHEMICAL INDUSTRIES Ltd. 18 July, 1968 [7 Aug., 1967], No. 36146/67. Headings C3C, C3R and C3T. [Also in Divisions C5 and D1] Siloxanes and silanes comprise at least one group: #SiR[(OC n H 2n ) x OR1COOR11] y , where R is a radical free from olefinic unsaturation selected from C 3-11 hydrocarbyl radicals and C 7-17 , radicals containing C, H and O which is present as ether linkages; R1 is a linear or branched C 1-4 saturated divalent radical; R11 is a monovalent hydrocarbyl radical or a polyoxyalkylene radical; n is 2, 3 or 4; x is 0 or a positive integer and y + 1 is the valency of R. R may be trimethylene, R1 may be methylene, ethylene, 1,2-propylene or 1,3-butylene; R11 may be alkyl, aryl, aralkyl, alkaryl or cycloalkyl, e.g. methyl, ethyl, propyl or butyl. R11 may alternatively be a polyoxyalkylene residue: (C b H 2b O) z R111, ...

PROCEDURE FOR THE PRODUCTION OF OXYGEN ABSTENTION CYCLI GROUPS OF HYDROCARBONS CONTAINING SILICONE OILS

Procedure for the production of silylmodifizierter Polyäther

TUBE METHOD FOR THE PREPARATION OF OLEFINIC SILOXANE COMPOUNDS

METHOD OF PREPARING A PLATINUM CATALYST INHIBITOR

HYDROXYALKYLSILOXANE RIGID URETHANE FOAM STABILIZERS

POLYETHER URETHANE FOAM

PRODUCTION OF ORGANOSILICON PRODUCTS

POLYQUATERNARY POLYSILOXANE POLYMERS

BIODEGRADABLE SUPERSPREADING ORGANOMODIFIED TRISILOXANE

The invention relates to polyether-modified siloxanes that are super-spreading and at the same time easily biodegradable.

SYNTHESES OF EPOXYSILICONES

PATENTS 60SI-1555 The invention provides a process for producing epoxyfunctional silicones by a rhodium metal coMplex-catalyzed hydrosilation reaction BETWEEN an SiH-containing silane or siloxane and an olefin epoxide, in the presence of a tertiary amine stabilizer. In practicing the invention, RhC13¢(CH3(CH2)3)2S!3 or PtC12¢(CH3CH2)2S!2 are suitable hydrosilation catalysts and methyldicocoamine, CH3(C18H37)2N, is a suitable stabilizer. The invention also provides for a composition including an SiH-functional silane or siloxane, and a tertiary amine, where the composition is not susceptible to gelation during a hydrosilation addition reaction. The invention further provides a method for stabilizing epoxysilicones both during and after the hydrosilation addition reaction used in their production.

PREPARATION OF ORGANOSILICON COMPOUNDS CONTAINING .ALPHA.,.BETA.-UNSATURATED CARBOXYLIC ACIDS

Organosilicon compounds (P) containing .alpha.,.beta.-unsaturated carboxylic acid radicals, of the general formula (1) -A-O-C(O)-CR=CH2 (1), are prepared by a process in which, in a first step, organosilicon compounds (H) containing hydrogen atoms bonded directly to silicon are reacted with olefinically unsaturated compounds (U) containing a terminal double or triple bond, of the general formula (2) S2-O-C(O)-CRH-CH2-Z (2), in the presence of metals or compounds from the platinum group as catalyst, to give organosilicon compounds (E) containing radicals of the general formula (3) -A-O-C(O)-CRH-CH2-Z (3), and, in a second step, H-Z compounds are eliminated from organosilicon compounds (E), where A is a divalent organic radical, .OMEGA. is a monovalent organic radical containing a terminal double or triple bond, R is an H atom or a methyl radical, and Z is Cl, I, Br or 4-methyltoluenesulfonyl.

Procédé de préparation de nouveaux copolymères siloxanes-polyoxyalcoylène

Verfahren zur Herstellung von siliciumhaltigen Polyäthern

POLYMERS POLYSILOXANES POLYQUATERNAIRES, PROCEEDED FOR THEIR PREPARATION AND COSMETIC COMPOSITIONS THE CONTAINER.

Hydrosilylation reaction catalyst

Catalysts and related methods relating to hydrosilylation and hydrosilylation

SILOXANE ETHER SULFONATES

New copolymers siloxanes-polyoxyalcoylène

Acetoxysilylethyl substd organopolysiloxane prepn - from vinyl acetoxy silane and methyl hydrogen polysiloxane using platinum catalyst

METAL COMPLEXES ADAPT WITH the CATALYSIS OF REACTIONS Of HYDROSILYLATION, CATALYTIC COMPOSITION the CONTAINER AND THEIR USE

Acetoxysilylethyl substd organopolysiloxane prepn - from vinyl acetoxy silane and methyl hydrogen polysiloxane using platinum catalyst

NOVEL CATALYSTS LIGAND SILYLENE

PRIMER COMPOSITION FOR ADHERING SILICONE ELASTOMER TO SUBSTRATES

COMPLEXES CONTAINING SULPHUR

Acid anhydride group-containing organosiloxane and manufacturing method thereof

Means for solving a problem is an organosiloxane that is represented by the following formula [1a] and individually has at least one hydrolyzable silylalkyl group and acid anhydride group in one molecule. (In the formula, X represents a monovalent hydrocarbon group containing acid anhydride groups. Y represents a monovalent hydrocarbon group containing polyether groups. Z represents a monovalent hydrocarbon group containing hydrolyzable silylalkyl group. R1 represents a hydrogen atom or a monovalent hydrocarbon group capable of being substituted by halogen atoms. M1 represents a group selected from said X, Y, Z and R1, wherein 0 a 100, 0 b 100, 0 c 100 and 0 d 100. When a is 0, M1 is X and c is an integer of 1 c 100; when c is 0, M1 is Z and a is an integer of 1 a 100.) The organosiloxane in this invention contains hydrolyzable silylalkyl groups, acid anhydride groups and corresponding polyether groups in one molecule and can freely adjust the number of each functional group.

Preparation of organosilicon compounds containing alpha, beta-unsaturated carboxylic acids

Organosilicon compounds (P) containing alpha,beta-unsaturated carboxylic acid radicals, of the general formula (1)are prepared by a process in which, in a first step, organosilicon compounds (H) containing hydrogen atoms bonded directly to silicon are reacted with olefinically unsaturated compounds (U) containing a terminal double or triple bond, of the general formula (2)in the presence of metals or compounds from the platinum group as catalyst, to give organosilicon compounds (E) containing radicals of the general formula (3)and, in a second step, H-Z compounds are eliminated from organosilicon compounds (E), whereA is a divalent organic radical,OMEGA is a monovalent organic radical containing a terminal double or triple bond,R is an H atom or a methyl radical, andZ is Cl, I, Br or 4-methyltoluenesulfonyl.

Hydrosilylation method, method for producing organosilicon compound, and organosilicon compound

A hydrosilylation method is provided. In this hydrosilylation method, silylation of the carbon atom other than the terminal carbon atom and generation of the by-product isomer by internal migration of the double bond are suppressed without sacrificing the hydrosilylation reactivity, even if an olefin compound having tertiary amine atom which can be a catalyst poison was used. In the hydrosilylation, an olefin compound having carbon-carbon unsaturated bond, and a compound having hydrogensilyl group are reacted in the presence of an acid amide compound, a nitrile compound and an aromatic hydroxyl compound, or an organoamine salt compound, by using catalytic action of platinum and/or its complex compound.

PREPARATION OF AN AQUEOUS DISPERSION OF ACRYLATE-SILOXANE COPOLYMER PARTICLES

HYDROXYALKENYLSILOXANE, VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG

Hydrolisylierungsverfahren

Hydrosilation of olefinic monomers

A method for silating unsaturated monomers by contacting a system having at least one SiH group, an unsaturated monomer, a transition metal catalyst and a free radical polymerization inhibitor is described.

MANUFACTURE OF ORGANOSILICON COMPOUNDS

Organosilicon polymer compositions

The invention comprises a composition consisting of (I) a silicon containing polyether in which (A) the polymer units consist essentially of oxyalkylene units of formula-O(CRR1)m-, wherein m is 1 to 5, each of R and R1 is a hydrogen, hydrocarbon ether, halo-hydrocarbon or -XSi(R11)n(Y)3- n radical in which X is a divalent radical free from acetylenic unsaturation composed of carbon and hydrogen and, optionally, oxygen, the oxygen being in the form of ­COH, ­C-O-, or -O-CO-, X being attached to the alkyleneoxy unit through a C-C bond, R11 is a monovalent hydrocarbon or halohydrocarbon radical, Y is hydrocarbonoxy, halohydrocarbonoxy, acyloxy, halogenated acyloxy, primary, secondary or tertiary amino or dihydrocarbyl-substituted isocyanoxy radical in which the substituents are hydrocarbon or halohydrocarbon radicals, n is 0, 1 or 2; there being not more than one silyl group attached to any one alkylene-oxy unit; and (B) the end-blocking groups are selected from hydrogen, monovalent hydrocarbon ...

Method for hydrosilating unsaturated monomers

Manufacture of organosilicon compounds

This invention relates to the preparation of organosilicon compounds by the addition of a silicon compound containing Si-bonded hydrogen to a compound having an aliphatic multiple bond in the presence of a catalyst which promotes the addition of Si-bonded hydrogen to compounds containing an aliphatic multiple bond. In this process the reactants and the catalyst are continuously introduced into a pipe-shaped reactor while the contents of the reactor, which are maintained in a liquid phase by the application of pressure are circulated in the reactor at a rate of at least 1,000 cm per minute and while the reaction mixture is continuously being removed from the reactor.

METAL COMPLEXES AS HYRDOSILYLIERUNGSKATALYSATOREN

PROCEDURE FOR THE PRODUCTION OF SILICONE OILS THROUGH HYDROSILYLIERUNG OF OXYGEN-CONTAINING ZYCLI COAL-WHICH-FIRSTOPENLY IN PRESENCE OF METAL COMPLEXES

PRODUCTION OF ALPHA, BETA-INSATIATED OF CARBONIC ACID REMAINDERS OF ABSTENTIONS ORGANOSILICIUMVERBINDUNGEN

METHOD OF PREPARING A PLATINUM CATALYST INHIBITOR

CATALYSTS AND CARRIERS THEREFOR

A catalyst carrier substance which can be obtained by reacting an inorganic particulate solid having surface hydroxyl groups with an organosilicon compound containing sulphur. The carrier may be converted to a supported catalyst by reaction with a compound or complex of platinum or rhodium. The catalysts can be recovered and recycled and are useful in hydrogenation, hydroformylation and oligomerisation reactions. They are of particular interest with respect to hydrosilylation reactions.

PROCEEDED OF PREPARATION Of OILS SILICONES BY HYDROSILYLATION OF SYNTHONSCONTENANT AT LEAST a CYCLE CARBOHYDRATE IN WHICH a ATOMED' IS INCLUDED OXYGENATES IN THE PRESENCE OF a CATALYTIC METAL COMPLEX

HYDROXYALKENYLSILOXANE RIGID URETHANE FOAM STABILIZERS

CATALYSTS, SUPPORTS FOR THOSE AND THEIR PREPARATIONS

POLYSILOXANES CONTAINING CYANOALKOXY RADICALS

Organosilicon Compounds

COMPOSE ORGANOSILICIQUES

SILICON-CONTAINING LACTONES

METHOD FOR PREPARATION OF ORGANOSILICON COMPOUND CONTAINING ALPHA, BETA-UNSATURATED CARBOXYL RADICAL AND COMPOSITION CONTAINING THE SAME

PURPOSE: A method for the preparation of organosilicon compounds containing alpha, beta-unsaturated carboxyl radical is provided, which has high selectivity of the organosilicon compounds. CONSTITUTION: A method for the preparation of organosilicon compounds(P) comprises; in the first process, obtaining organosilicon compounds(E) containing the radical represented by the following formula(3) by reacting organosilicon compound(H) containing the hydrogen atom which is combined the silicon directly, and olefin unsaturated compound(U) containing terminal double or triple bond represented by the following formula(2) in the presence of metal or compound of platinium group as catalyst; and the second process, removing the H-Z compound from organosilicon compound(E). wherein, A is biorganic radical, ohm is univalent organic radical containing terminal double or triple bond, R is H atom or methyl radical and Z is Cl, I, Br or 4-methyltoluenesulfonyl. COPYRIGHT 2000 KIPO ...

catalisadores de hidrossililação

PROCESS FOR THE PREPARATION OF SILOXANES OLEFIN WITH THE USE OF A TUBULAR REACTOR

SILOXANE FLUID

PROCESS FOR THE PRODUCTION OF (TRIMETHYLSILYLOXY)SILYLALKYLGLYCEROL METHACRYLATES

The present invention relates to a process comprising the steps of reacting in the presence of a hydrosilylation catalyst, a first reaction mixture comprising a free radical reactive compound and a silicon containing compound to form a silicon substituted glyceryl (meth)acrylate.

RHENIUM CONTAINING HYDROSILYLATION CATALYSTS AND COMPOSITIONS CONTAINING THE CATALYSTS

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition ' capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

A METHOD OF MANUFACTURING AN ORGANIC SILICON COMPOUND THAT CONTAINS A METHACRYLOXY GROUP OR AN ACRYLOXY GROUP

A method of manufacturing an organic silicon compound that contains a methacryloxy group or an acryloxy group, the method being characterized by the fact that manufacturing or conducting purification by distillation is carried out in the presence of a phenothiazine derivative having a molecular weight equal to or higher than 240. And a stable composition comprising an organic silicon compound that contains a methacryloxy group or an acryloxy group and a phenothiazine derivative having a molecular weight equal to or higher than 240 and used in an amount sufficient to stabilize the aforementioned organic silicon compound.

SILICON COMPOUND, PREPARATION METHOD THEREOF AND LITHIUM BATTERY

A silicon compound, a preparation method thereof, and a lithium battery are provided. The silicon compound is represented by the following Chemical formula 1: 1. A silicon compound represented by the following Chemical formula 1:{'br': None, 'sup': '1', 'sub': 4-n', 'n, '(R)—Si-(L-A)\u2003\u2003[Chemical formula 1]'}in Chemical formula 1,L is a linker,A is a carboxyl group,{'sup': '1', 'Ris each independently hydrogen, a halogen atom, an alkyl group, an aryl group, an alkoxy group, or a hydroxyl group,'}n is an integer of 0 to 4,when n is greater than or equal to 2, L may be the same or different group.2. The silicon compound of claim 1 , wherein the linker comprises an alkylene group claim 1 , an arylene group claim 1 , a heteroarylene group claim 1 , an alkyleneoxy group claim 1 , a cycloalkylene group claim 1 , an amide group claim 1 , a carbonyloxy group claim 1 , a divalent group having a halogen claim 1 , or a combination thereof.3. A preparation method of a silicon compound claim 1 , comprising:providing an olefin reactant; andconnecting the olefin reactant to a silicon reactant via a hydrosilylation reaction to obtain the silicon compound,wherein the silicon reactant has at least one silane functional group,wherein the olefin reactant comprises a terminal olefin functional group, a terminal carboxyl group, and a linker connected to the terminal olefin functional group and the terminal carboxyl group.4. The preparation method of the silicon compound of claim 3 , wherein the silicon reactant is represented by (R)—Si—(H) claim 3 ,wherein R is each independently a halogen atom, an alkyl group, an aryl group, an alkoxy group, or a hydroxyl group,n is an integer of 1 to 4.5. The preparation method of the silicon compound of claim 3 , wherein the linker comprises an alkylene group claim 3 , an arylene group claim 3 , a heteroarylene group claim 3 , an alkyleneoxy group claim 3 , a cycloalkylene group claim 3 , an amide group claim 3 , a carbonyloxy group claim 3 , ...

Aminosilyl-substituted diarylethene compounds for anionic polymerisation

The invention related to novel compounds useful as modifying monomers and precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition.

DEHYDROGENATIVE SILYLATION, HYDROSILYLATION AND CROSSLINKING USING COBALT CATALYSTS

Synthesis of epoxysiloxane monomers and polymers

Synthesis of epoxysiloxane monomers and polymers

The invention provides a method for making an epoxysilicone compound through the hydrosilation addition reaction between an ethylenically unsaturated epoxide and an SiH-containing silicon to produce an epoxysilicone product, and catalyzed by a regiospecific hydrosilation catalyst which does not also promote an oxirane ring-opening polymerization reaction in either the ethylenically unsaturated epoxide starting compound or in the epoxysilicone hydrosilation reaction product. The invention also provides a hydrosilation catalyst with the above catalytic properties as well as an epoxysilicone composition made by the above method.

СПОСОБ ПОЛУЧЕНИЯ ГИДРОКСИЛ-ФУНКЦИОНАЛИЗИРОВАННЫХ ПОЛИСИЛОКСАНОВ

Verfahren zur Herstellung von Epoxigruppen-enthaltenden Polysiloxanen

Verfahren zum Hydrosilylieren ungesättigter Monomerer

Verfahren zur Beförderung von Hydrosilierungsreaktionen durch Verwendung eines zweiten Hydrosilans.

Verfahren zur Herstellung von alpha-Olefinen

ACETOXYSILYLAETHYL-SUBSTITUIERTE ORGANOPOLYSILOXANE UND IHRE HERSTELLUNG

Verfahren zur Herstellung von neuen Organosiliciumverbindungen

Transparent organosilicon polymers

An optically clear, thermally stable, solventresistant organosiloxane-silcarbane polymer, in which each Si atome forms a member of an 8-membered ring of alternate Si and O atoms in which substantially every Si is attached to one monovalent hydrocarbon radical (h.c.), and in which substantially every Si atom is attached to another Si atom through an alkylene radical of at least 2 C atoms, can be made by contacting a first cyclotetrasiloxane, in which each Si atom is attached to both one monovalent h.c. radical free from aliphatic unsaturation and to one H atom, with a second cyclotetrasiloxane, in which each Si atom is attached to 2 h.c. radicals, one of which is unsaturated and the other is free of unsaturation, in the presence, as catalyst, of finely divided Pt, H2PtCl6 or the compound described and claimed in Specification 1,041,082. In a typical Example (1), a complex of H2PtCl6.6H2O and octyl alcohol was blended with an equimolar mixture of 1,3,5,7-tetramethyl - 1,3,5,7 - tetravinylcyclotetrasiloxane ...

Organosilicon compounds and their preparation

A polymer of the formula wherein each R1 and R2 is a lower alkyl, cycloalkyl of 5 or 6 C atoms, phenyl, (lower) alkylphenyl or phenyl (lower) alkyl radical, n is an integer from 2 to 700, q is 0, 1, 2 or 3, and each R3O- is of the formula R4O-(-CxH2xO)y-, in which R4 is lower alkyl, x is 2, 3 or 4 and y is a positive integer, the various (CxH2xO) radicals being the same or different, is made by reacting a siloxane of the formula with the diether of a mono- or poly-alkyleneglycol containing a terminal -CH=CH2 group, in the presence of a Pt catalyst. The monoalkylene-glycol diether, when used, is preferably employed in an amount of 0.1-0.5 mol per mol of polyalkylene-glycol diether. The Pt catalyst may be in the form of the metal per se on a support, H2PtCl6 or a Pt-olefin complex. The reaction is preferably effected at 50 DEG to 200 DEG C. and in a diluent having a reflux temp. in this range. In typical Examples, a polyethylene glycol diether of the ...

PROCESS FOR PROMOTING HYDROSILATION REACTIONS USING A SECOND HYDROSILANE

PREPARATION OF OLEFINIC SILOXANE COMPOUNDS

Method for preparing silicone oils bearing a group containing at least a hydrocarbon cycle wherein is included an oxygen atom

New silicone compounds containing sterically hindered cyclic amine functional groups which are useful for the light and thermal stabilization of polymers

Novel aminoorganofunctionalsiloxanes

Hydrosilylation of Fullerenes

PREPARATION OF EPOXYSILICON COMPOUNDS USING RHODIUM CATALYSTS

PATENTS 60SI-1374/MAM/0282m A method for making an epoxyfunctional organosilicon compound is provided, comprising the step of reacting at a temperature of from about 25.degree. to about 100.degree.C a mixture comprising (A) an ethylenically unsaturated epoxide; (B) an organohydrogenpolysiloxane or organohydrogensilane; and (C) a rhodium complex catalyst selected from the group consisting of: (i) RhX3(5R2)3; (ii) RhX3 ? xH2O; (iii) RhX(norbornadiene)!2; (iv) RhX(CO)(R3P)3; (v) RhX(R3P)3; and (vi) ¢RhCl(cyclooctadiene)!2; wherein X is a halogen atom, x is a number equal to 3 or 4, and R is an alkyl radical having from 1 to 8 inclusive carbon atoms, aryl, aralkyl, or alkaryl radical or the R?SiQ- group in which Q represents a divalent aliphatic hydrocarbon radical having from 1 to 6 inclusive carbon atoms and R1 represents an alkyl radical having from 1 to inclusive carbon atoms, aryl, aralkyl, or alkaryl radical or a (CH3)3Si- radical.

For the hydrosilylation reaction of a high activity catalyst and process for preparing same

Novel catalysts with carbene ligands

HYDROSILYLATION PROCESS OF A SILOXANE COMPOUND BY PHOTOCATALYSIS [...]

NEW COMPOSE SILICONES HAS CYCLIC STERIQUEMENT ENCOMBREES, USEFUL FUNCTIONS AMINES FOR STABILIZATION LIGHT AND THERMICS OF POLYMERS

COMPLEXES CONTAINING SULPHUR

NEW SILICON COMPOUNDS WITH STERICALLY HINDERED CYCLIC AMINE FUNCTIONS, USEFUL FOR THE LIGHT AND HEAT STABILIZATION OF POLYMERS

La présente invention concerne des polyorganosiloxanes linéaires, cycliques ou ramifiés ayant par molécule au moins trois motifs siloxyles dont au moins un motif fonctionnel de formule: (CF DESSIN DANS BOPI) où R**1 représente un radical alkyle en C1 à C4 ou phényle, X renferme une fonction amine cyclique secondaire ou tertiaire, liée au silicium par une liaison Si-A-C où A est un reste comprenant un groupe acétal cyclique. X représente plus précisément un groupe monovalent de formule: (CF DESSIN DANS BOPI) où: R**2 est H ou un radical alkyle; Z est un radical trivalent de nature aliphatique, comme par exemple le radical - CO-CH-CO-, ou de nature aromatique, comme par exemple le radical (CF DESSIN DANS BOPI) ; R3 à R6 sont des radicaux alkyle, phényle et/ou benzyle; R7 est H ou un radical alkyle, alkylcarbonyle, phényle ou benzyle; x = 0, 1, 2 ou 3; y=0 ou 1. La présente invention concerne également l'utilisation de pareils polyorganosiloxanes dans les polymères pour améliorer notamment ...

HYDROXYALKYLSILOXANE RIGID URETHANE FOAM STABILIZERS

SILICON-CONTAINING LACTONES

METHOD OF PREPARATION OF OLEFINIC SILOXANES

PROCEEDED OF PREPARATION Of OILS SILICONES BY HYDROSILYLATION OF SYNTHONS CONTAINING AT LEAST a CYCLE CARBOHYDRATE IN WHICH IS INCLUDED an OXYGEN ATOM IN THE PRESENCE OF a CATALYTIC METAL COMPLEX

L'invention a pour objet un procédé de préparation d'huiles silicones fonctionnalisées de viscosité contrôlée par hydrosilylation de polyorganohydrogénosiloxanes avec des synthons, différents ou identiques, contenant au moins un cycle hydrocarboné dans lequel est inclus un atome d'oxygène, ladite réaction étant effectuée en présence d'un complexe métallique catalytique de formule I : ...

METAL COMPLEXES ADAPT WITH the CATALYSIS OF REACTIONS Of HYDROSILYLATION, CATALYTIC COMPOSITION the CONTAINER AND THEIR USE

La présente invention concerne des complexes métalliques de formule I dans laquelle M, X, Y1 , Y2 , R1 , R2 , R5 et R6 sont tels que définis à la revendication 1. Ces complexes sont particulièrement appropriés à la catalyse de réactions d'hydrosilylation.

CATALYSTS, SUPPORTS FOR THOSE AND THEIR PREPARATIONS

PROCESS FOR HYDROSILYLATION

The invention provides a process for hydrosilylating H-silanes and linear, cyclic or branched H-siloxanes with compounds containing carbon-carbon double or carbon-carbon triple bonds with noble metal catalysis, characterized in that, to improve the catalytic activity, the water content of the reaction mixture is a maximum of 1000 ppm and the catalyst is added to the reaction mixture in liquid form. © KIPO & WIPO 2008 ...

HYDROSILYLATION METHOD FOR IMPROVING CATALYST ACTIVITY

PURPOSE: A hydrosilylation method is provided to use a platinum catalyst of a low concentration, to prevent the coloring of products, and to ensure short reaction time and low reaction temperature. CONSTITUTION: A hydrosilylation method of a compound with C-C double bond and/or C-C triple bond into a linear organic polysiloxane with a diorganic siloxy unit and Si-H group comprises the steps of: reacting diorganic dichlorosilane, monochlorosilane, and dichlorosilane with water to obtain partial hydrolysate and gas hydrogen chloride, wherein at least monochlorosilane or dichlorosilane comprise Si-H group; and treating the partial hydrolysate with water to remove a SiCl group to form hydrochloric acid to prepare a hydrolysate including organopolysiloxane. COPYRIGHT KIPO 2010 ...

SYNTHESIS OF FLUOROSILICONES AND THEIR DERIVATIVES

METHOD FOR PREPARING ORGANOSILICON COMPOUNDS

PURPOSE: A method for preparing organosilicon compounds that can convert the Si-bonded alkoxy group in organosilicon compounds to the diorganosilyl group at high conversion ratios is provided. CONSTITUTION: A method for preparing organosilicon compounds comprises: 1) converting the Si-bonded alkoxy in an Si-bonded alkoxy-functional organosilicon compound to the diorganosilyl group by reacting the Si-bonded alkoxy-functional organosilicon compound with organodisiloxane with the general formula HR2Si-O-SiR2H, where R is a monovalent hydrocarbyl group of 1 to 10 carbon atoms, in alcohol-containing acidic aqueous solution; and subsequently 2) treating with a sulfonic acid catalyst and carboxylic acid. This method is able to convert all the alkoxy groups in the alkoxy-functional organosilicon compound to diorganosilyl. This method can be used to synthesize a high-purity carbosiloxane dendrimer having a narrow molecular weight distribution. COPYRIGHT 2000 KIPO ...

Rhodium containing selective catalysts for the synthesis of epoxysiloxane/epoxysilicone monomers and polymers

The invention provides a method for making a curable epoxysilicone composition through the hydrosilation reaction between an ethylenically unsaturated epoxide and an SiH-containing silicone to produce an epoxysilicone product, and catalyzed by a rhodium containing selective catalyst which does not promote the oxirane ring-opening reaction of either the ethylenically unsaturated epoxide starting material or the epoxysilicone product. The invention also provides for a curable epoxysilicone composition made by the above method for the catalyst, and two methods of making the catalyst.

Hydrosilylation method, method for producing organosilicon compound, and organosilicon compound

A hydrosilylation method is provided. In this hydrosilylation method, silylation of the carbon atom other than the terminal carbon atom and generation of the by-product isomer by internal migration of the double bond are suppressed without sacrificing the hydrosilylation reactivity, even if an olefin compound having tertiary amine atom which can be a catalyst poison was used. In the hydrosilylation, an olefin compound having carbon-carbon unsaturated bond, and a compound having hydrogensilyl group are reacted in the presence of an acid amide compound, a nitrile compound and an aromatic hydroxyl compound, or an organoamine salt compound, by using catalytic action of platinum and/or its complex compound.

METHOD OF MANUFACTURING HYDROPHILIC SILICONE PREPOLYMER

A method for manufacturing a hydrophilic silicone prepolymer is disclosed. The method comprises ring-opening polymerization (ROP) of cyclosiloxanes, hydrosilylation of polysiloxanes, copolymerization, and end-capping reaction. After the above processes, the hydrophilic silicone prepolymer can be obtained. 1. A method for manufacturing a hydrophilic silicone prepolymer , comprising the steps of:performing a ring-opening polymerization, wherein a cyclic siloxane and a cyclic hydrogen siloxane are catalyzed by a strong acid, and then inserted into a hydroxyl-terminated disiloxane, so as to form a hydroxyl-terminated polysiloxane containing multi silicon-hydrogen (Si—H) groups;performing a hydrosilation, wherein a carbon-carbon double bond of a hydrophilic monomer is added to the Si—H groups of the polysiloxane by a rhodium-based catalyst, and then the hydrophilic monomer is connected to the polysiloxane to form a hydroxyl-terminated silicone diol containing a hydrophilic side-chain, in which the hydrophilic monomer is an amide-containing hydrophilic monomer or a phosphorylcholine-containing hydrophilic monomer;performing a copolymerization, wherein p mole of the silicone diol produced under the hydrosilation is polymerized with q mole of a diisocyanate in a different molar ratio by a catalyst of dibutyltin dilaurate (DBTDL), so as to form a diol copolymer end-capped with hydroxyl groups as p>q or form an isocyanate copolymer end-capped with isocyanate groups as p Подробнее

PROCESS FOR PREPARING 2-HYDROXYPHENYL BENZOTRIAZOLE SILOXANE COMPOUNDS

A process for preparing a siloxane compound comprising a 2-hydroxyphenyl benzotriazole function which comprises at least one step in which a reaction for hydrosilylation of a compound 2-hydroxyphenyl benzotriazole comprising a substituent having a terminal double bond with a siloxane compound comprising an SiH function is carried out in the presence of a catalyst and of at least one volatile organic solvent corresponding to one of formula (VII) or (VIII). in which Rand R, which may be identical or different, represent a linear or branched C-Calkyl radical, with the proviso that the sum of the carbons of Rand Ris less than or equal to 6; y is and integer between 1 and 3; Rwhich may be identical or different, are linear or branched C-Calkyl radicals, with the proviso that the sum of the carbons of Ris less than or equal to 6 is disclosed. 2. The process according to claim 1 , further comprising:a) charging the compound 2-hydroxyphenyl benzotriazole comprising a substituent comprising a terminal double bond, under an inert nitrogen atmosphere, in the presence of the at least one volatile organic solvent;b) dissolving and charging the catalyst;c) heating a reaction medium comprising the compound 2-hydroxyphenyl benzotriazole comprising a substituent comprising a terminal double bond, the at least one volatile organic solvent, and the catalyst at a temperature below 100° C.;d) adding the siloxane compound comprising a SiH function into the reaction medium so that a reaction mixture comprising the reaction medium and the siloxane compound comprising a SiH function is obtained; ande) purifying the reaction mixture,wherein:the charging a), the dissolving and charging b), the heating c), and the adding d) occur prior to said reacting;said reacting occurs at a temperature below 150° C. until complete conversion is obtained; andthe purifying e) occurs after said reacting.4. The process according to claim 1 , wherein the compound 2-hydroxyphenyl benzotriazole comprising a ...

Process for preparing 2-hydroxyphenyl alkenyl benzotriazole compounds; use of the said compounds obtained via the process in the synthesis of siloxane compounds containing a 2-hydroxyphenylbenzotriazole function

The process for preparing 2-hydroxyphenyl alkenyl benzotriazole compounds and the process for preparing siloxane compounds containing 2-hydroxyphenyl benzotriazole function are disclosed.

Dehydrogenative Silylation and Crosslinking Using Cobalt Catalysts

Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation and crosslinking catalysts. 3. The process of further comprising removing the complex and/or derivatives thereof from the dehydrogenative silylated product.4. The process of wherein the dehydrogenatively silylated product comprises a silane or siloxane containing a silyl group and an unsaturated group.5. The process of claim 4 , wherein the unsaturated group is in the alpha or beta position relative to the silyl group.6. The process of wherein the molar ratio of the unsaturated group in said component (a) relative to the silylhydride functional group in said component (b) is less than equal to 1:1.7. The process of wherein the silane or siloxane of the dehydrogenatively silylated product contains one silyl group derived from component (b).8. The process of wherein the dehydrogenatively silylated product contains two or more terminal silyl groups derived from component (b).9. The process of claim 6 , wherein said process produces an α claim 6 ,ω-substituted alkane or alkene diol from a parent α claim 6 ,ω-bis(silyl) substituted alkane or alkene.10. The process of wherein the molar ratio of the unsaturated group in said component (a) relative to the silylhydride functional group in said component (b) is greater than 1:1.11. The process of wherein the silane or siloxane contains two or more silyl groups derived from component (b).12. The process of wherein said component (a) is a mono-unsaturated compound.13. The process of wherein said component (a) is selected from the group consisting of an olefin claim 1 , a cycloalkene claim 1 , an alkyl-capped allyl polyether claim 1 , a vinyl-functional alkyl-capped allyl or methallyl polyether claim 1 , an alkyl-capped terminally unsaturated amine claim 1 , an alkyne claim 1 , terminally unsaturated acrylate or methacrylate claim 1 , unsaturated aryl ether claim 1 , vinyl- ...

HIGH ACTIVITY CATALYST FOR HYDROSILYLATION REACTIONS AND METHODS OF MAKING THE SAME

A heterogeneous catalyst comprising a metal-containing polymer matrix covalently bonded to a support material and a method of making and using such catalysts. The metal-containing polymer matrix comprises metal nano-particles encapsulated in a polymer matrix, e.g., a siloxane. In one aspect, the metal-containing polymer matrix can be bonded to the support material via a hydrophobic group attached to the support material. The catalyst can be recovered after being used in a metal catalyzed reaction and exhibit excellent catalytic activity upon reuse in subsequent reactions. 1. A heterogeneous catalyst comprising a metal-containing polymer matrix covalently bonded to a support material wherein the metal-containing polymer matrix comprises metal nanoparticles encapsulated in a polymer matrix chosen from an organic polymer matrix or a siloxane polymer matrix.2. (canceled)3. The catalyst of claim 1 , wherein the polymer matrix comprises an organic polymer matrix comprising a polymer or copolymer of a vinyl aromatic claim 1 , a vinyl halide claim 1 , an alpha monoolefin claim 1 , an acrylonitrile claim 1 , an acrylate claim 1 , an amide claim 1 , an acrylamide claim 1 , an ester claim 1 , or a combination of two or more thereof.4. The catalyst of claim 1 , wherein the polymer matrix is derived from a silicon hydride-containing polyorganohydrosiloxane of the general formula:{'br': None, 'sup': 1', '2', '1', '2', '1', '2, 'sub': a', 'b', 'c', 'd', 'e', 'f', 'j, 'MMDDTTQ'}{'sup': 1', '1', '2', '3', '2', '4', '5', '6', '1', '7', '8', '2', '9', '10', '1', '11', '2', '12', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '4', '9', '12, 'sub': 1/2', '1/2', '2/2', '2/2', '3/2', '3/2', '4/2, 'wherein: M=RRRSiO; M=RRRSiO; D=RRSiO; D=RRSiO; T=RSiO; T=RSiO; Q=SiO; R, R, R, R, R, R, R, R, R, R, R, and Rare aliphatic, aromatic or fluoro monovalent hydrocarbon having from 1 to 60 carbon atoms; at least one of R, R, Ris hydrogen; and the subscript a, b, c, d, e, f, and j are ...

MONONUCLEAR RUTHENIUM COMPLEX AND ORGANIC SYNTHESIS REACTION USING SAME

A neutral or cationic mononuclear ruthenium divalent complex represented by formula (1) can actualize exceptional catalytic activity in at least one reaction among a hydrosilylation reaction, hydrogenation reaction, and carbonyl compound reduction reaction. 2. The neutral or cationic mononuclear divalent ruthenium complex of claim 1 , wherein L is at least one type of two-electron ligand selected from the group consisting of molecular hydrogen claim 1 , amines claim 1 , imines claim 1 , nitrogen-containing heterocycles claim 1 , phosphines claim 1 , phosphites claim 1 , arsines claim 1 , alcohols claim 1 , thiols claim 1 , ethers claim 1 , sulfides claim 1 , nitriles claim 1 , isonitriles claim 1 , aldehydes claim 1 , ketones claim 1 , alkenes of 2 to carbon atoms claim 1 , alkynes of 2 to 30 carbon atoms and triorganohydrosilanes.4. The neutral or cationic mononuclear divalent ruthenium complex of claim 3 , wherein Lis at least one type of two-electron ligand selected from the group consisting of isonitriles claim 3 , nitrogen-containing heterocycles and phosphites (with the proviso that when a plurality of Lligands are present claim 3 , two Lligands may be bonded to one another).5. The neutral or cationic mononuclear divalent ruthenium complex of or claim 3 , wherein Lis a triorganohydrosilane (with the proviso that when a plurality of Lligands are present claim 3 , two Lligands may be bonded to one another).6. The neutral or cationic mononuclear divalent ruthenium complex of claim 3 , wherein mand mare both 2.7. The neutral or cationic mononuclear divalent ruthenium complex of claim 6 , wherein Rto Rare each independently an alkyl claim 6 , aryl or aralkyl group that may be substituted with X claim 6 , which is as defined above claim 6 , and{'sup': 2', '7', '8', '9', '10', '11', '12', '7', '12, 'the Lligands are triorganohydrosilanes of the formulas H—SiRRRand H—SiRRR(wherein Rto Rare each independently an alkyl, aryl or aralkyl group that may be substituted with ...

INHIBITED NOBLE METAL-FREE MIXTURE THAT CAN BE HYDROSILYLATED

The invention provides a mixture M containing 1. A mixture M containing;compound A which contains al least one hydrogen atom bound directly to Si;compound B which contains at least one carbon-carbon multiple bond;compound C which contains at least one cationic Si(II) group; andcompound D which contains at least one alkoxy group bound directly to silicon,wherein the molar ratio of the compounds A and B, based on Si—H groups present and unsaturated carbon groups, is at least 1:100 and not more than 100:1,{'sup': '7', 'wherein the molar ratio between the compound C and the Si—H groups present in the compound A is at least 1:10and not more than 1:1, and'}wherein the molar ratio of the compounds C and D, based on the cationic Si(II) groups present in the compound C, to the alkoxy groups bound directly to silicon in the compound D is at least 1:1 and not more than 1:200.2. A method for hydrosilylating a mixture M of claim 1 , wherein the mixture M is heated to at least 40° C. and not more than 150° C.3. The mixture M of claim 1 , wherein the compound A has the general formula I{'br': None, 'sup': 1', '2', '3, 'RRRSi—H\u2003\u2003(1),'}{'sup': 1', '2', '3, 'where the radicals R, Rand Rare each, independently of one another, hydrogen, halogen, a silyloxy radical or a hydrocarbon radical, in which individual carbon atoms can in each case be replaced by oxygen atoms, silicon atoms, nitrogen atoms, halogen, sulfur or phosphorus atoms.'}4. The mixture M of claim 3 , wherein the compound B is selected from among compounds of the general formula IIIa{'br': None, 'sup': 4', '5', '6', '7, 'RRC═CRR\u2003\u2003(IIIa),'} {'br': None, 'sup': 8', '9, 'RCCR\u2003\u2003(IIIb),'}, 'and compounds of the genera formula IIIb'}{'sup': 4', '5', '6', '7', '8', '9, 'where R, R, R, R, Rand Rare each, independently of one another, a linear, branched, acyclic or cyclic, saturated or monounsaturated or polyunsaturated C1-C20-hydrocarbon radical, in which individual carbon atoms can be replaced by ...

NOBLE METAL-FREE HYDROSILYLATABLE MIXTURE

The invention relates to a hydrosilylatable mixture M containing: (A) a compound with at least one hydrogen atom directly bonded to Si, (B) a compound containing at least one carbon-carbon multiple bond, and (C) a compound containing at least one cationic Si(II) group. The invention also relates to a method for hydrosilylating the mixture M. 3. The hydrosilylable mixture M as claimed in claim 1 , wherein compound A has general formula I{'br': None, 'sup': 1', '2', '3, 'RRRSi—H\u2003\u2003(I)'}{'sup': 1', '2', '3, 'wherein the radicals R, Rand Reach independently are hydrogen, halogen, silyloxy radical, hydrocarbon radical or hydrocarbonoxy radical, wherein individual carbon atoms in each case may be replaced by oxygen atoms, silicon atoms, nitrogen atoms, halogen, sulfur or phosphorus atoms.'}5. The hydrosilylable mixture M as claimed in claim 1 , wherein Ris an unbranched alkyl radical or 2 claim 1 ,6-dialkylated phenyl radical.6. The hydrosilylable mixture M as claimed in claim 1 , wherein the molar ratio between compound C and the Si—H moieties present in compound A is from 1:10to 1:50.7. The method of hydrosilylating mixture M as claimed in claim 2 , wherein the compound A has general formula I{'br': None, 'sup': 1', '2', '3, 'RRRSi—H\u2003\u2003(I)'}{'sup': 1', '2', '3, 'wherein the radicals R, Rand Reach independently have the definition hydrogen, halogen, silyloxy radical, hydrocarbon radical or hydrocarbonoxy radical, wherein individual carbon atoms in each case may be replaced by oxygen atoms, silicon atoms, nitrogen atoms, halogen, sulfur or phosphorus atoms.'}9. The method of hydrosilylating mixture M as claimed in claim 2 , wherein Ris an unbranched alkyl radical or 2 claim 2 ,6-dialkylated phenyl radical.10. The method of hydrosilylating mixture M as claimed in claim 2 , wherein the molar ratio between the compound C and the Si—H moieties present in the compound A is from 1:10to 1:50. The invention relates to a hydrosilylable mixture comprising a ...

Platinum catalyzed hydrosilylation reactions utilizing cyclodiene additives

A process and composition for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the proviso that when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane. The process and composition optionally comprise an inhibitor (e). The process and composition may be employed to form a variety of hydrosilylation products.

HYDROSILYLATION METHOD, METHOD FOR PRODUCING ORGANOSILICON COMPOUND, AND ORGANOSILICON COMPOUND

A hydrosilylation method is provided. In this hydrosilylation method, silylation of the carbon atom other than the terminal carbon atom and generation of the by-product isomer by internal migration of the double bond are suppressed without sacrificing the hydrosilylation reactivity, even if an olefin compound having tertiary amine atom which can be a catalyst poison was used. In the hydrosilylation, an olefin compound having carbon-carbon unsaturated bond, and a compound having hydrogensilyl group are reacted in the presence of an acid amide compound, a nitrile compound and an aromatic hydroxyl compound, or an organoamine salt compound, by using catalytic action of platinum and/or its complex compound. 1. A hydrosilylation method wherein(i) an olefin compound having carbon-carbon unsaturated bond, and(ii) a compound having hydrogensilyl group are reacted in the presence of an organoamine salt compound by using catalytic action of platinum and/or its complex compound.4. A hydrosilylation method according to wherein X in the general formula (3) is methoxy group claim 3 , ethoxy group claim 3 , or 2-propenoxy group.5. A hydrosilylation method according to wherein the compound containing a hydrogensilyl group is selected from hydrogentrimethoxysilane claim 4 , hydrogenmethyldimethoxysilane claim 4 , hydrogendimethylmethoxysilane claim 4 , hydrogentriethoxysilane claim 4 , hydrogenmethyldiethoxysilane claim 4 , hydrogendimethylethoxysilane claim 4 , hydrogentri(2-propenoxy)silane claim 4 , hydrogenmethyldi(2-propenoxy)-silane claim 4 , hydrogendimethyl(2-propenoxy)silane claim 4 , organopolysiloxane and organosilsesquioxane having hydrosilyl group produced by hydrolytic condensation of such silane monomer claim 4 , 1 claim 4 ,3 claim 4 ,5 claim 4 ,7-tetramethyltetrasiloxan claim 4 , 1 claim 4 ,1 claim 4 ,3 claim 4 ,3-tetramethyldisiloxane claim 4 , pentamethyldisiloxane claim 4 , and dimethyl silicone polymer containing 3 to 100 silicon atoms having hydrosilyl group on ...

SILICONE FORMULATIONS FOR 3D PRINTING

In one embodiment, a silicone-based ink for additive manufacturing includes a vinyl-terminated siloxane macromer, a hydrophobic reinforcing filler, and a rheology modifying additive. In another embodiment, a method of additive manufacturing with silicone-based ink includes adding a mixture that includes a vinyl-terminated siloxane macromer, a hydrophobic reinforcing filler, and a rheology modifying additive to a cartridge for additive manufacturing, extruding the mixture through the cartridge to form a structure, and curing the mixture to at least a predefined extent. 1. A silicone-based ink for additive manufacturing , the ink comprising:a vinyl-terminated siloxane macromer;a hydrophobic reinforcing filler; anda rheology modifying additive.2. The ink as recited in claim 1 , further comprising a curing agent.3. The ink as recited in claim 2 , further comprising an effective amount of an inhibitor for controlling a rate of curing by the curing agent.4. The ink as recited in claim 2 , wherein the curing agent induces curing in response to catalyst-mediated hydrosilylation chemistry.5. The ink as recited in claim 2 , wherein the curing agent induces curing in response to ultraviolet radiation.6. The ink as recited in claim 2 , wherein the curing agent induces curing in response to free radical chemistry.7. The ink as recited in claim 1 , further comprising claim 1 , a crosslinking agent.8. The ink as recited in claim 1 , wherein the vinyl-terminated siloxane macromer has a viscosity in a range of about 500 centistoke and about 50 claim 1 ,000 centistoke.9. The ink as recited in claim 1 , wherein the hydrophobic reinforcing filler is a treated silica.10. The ink as recited in claim 9 , wherein the treated silica has a surface area in a range of about 50 m/g and about 250 m/g.11. The ink as recited in claim 9 , wherein the treated silica is hexamethyldisilazane-treated silica.12. The ink as recited in claim 1 , wherein the rheology modifying additive is a silicone ...

SILICON-CONTAINING COMPOUND, URETHANE RESIN, STRETCHABLE FILM, AND METHOD FOR FORMING THE SAME

The present invention provides a silicon-containing compound shown by the following formula (): 7. A stretchable film comprising a cured material of a composition containing the urethane resin according to .8. A stretchable film comprising a cured material of a composition containing the urethane resin according to .9. A stretchable film comprising a cured material of a composition containing the urethane resin according to .10. The stretchable film according to claim 7 , wherein the stretchable film exhibits a stretching property of 40 to 1000% in a tensile test regulated by JIS K 6251.11. The stretchable film according to claim 7 , wherein the stretchable film is used as a film to be in contact with a conductive wiring having stretchability.12. The stretchable film according to claim 8 , wherein the stretchable film is used as a film to be in contact with a conductive wiring having stretchability.13. The stretchable film according to claim 9 , wherein the stretchable film is used as a film to be in contact with a conductive wiring having stretchability. The present invention relates to a stretchable film that combine stretchability, strength, and repellency, and a method for forming the same; as well as a urethane resin used for the stretchable film; and a silicon-containing compound to be a material of the urethane resin.In recent years, wearable devices have been developed progressively with the spread of Internet of Things (IoT). Representative examples thereof include a watch and glasses that can be connected with internet. Wearable devices that can always monitor physical conditions are also necessary in a medical field and a sports field, and are expected to be a growth field in theWearable devices include a form that is adhered to a body to monitor physical conditions constantly. Such a wearable device is generally composed of a bio-electrode to detect electric signals from a body, wiring to send the electric signals to a sensor, a semiconductor chip to be ...

CARBINOL FUNCTIONAL TRISILOXANE AND METHOD OF FORMING THE SAME

A trisiloxane having at least one carbinol functional group comprises the reaction product of (A) an initial trisiloxane and (B) an organic compound. Component (A) has a pendant silicon-bonded functional group selected from a hydrogen atom, an epoxy-containing group, an ethylenically unsaturated group, and an amine group. Typically, component (A) is free of certain terminal silicon-bonded functional groups and is free of polyoxyalkylene groups. Component (B) has a functional group reactive with the pendant silicon-bonded functional group of component (A), and has at least one hydroxyl functional group. The trisiloxane is useful for a number of applications including use as a detergent additive. The trisiloxane may be of the following general formula (I): (R13SiO1/2) (R1R3Si2/2)(R13SiO1/2) (I). In formula (I), each R1 is an independently selected hydrocarbyl group. R3 may be selected from the groups (i) to (iv) described herein. Typically, the trisiloxane has 1-6 carbinol groups. 3. The trisiloxane as set forth in claim 1 , having one to six carbinol functional groups claim 1 , alternatively three to four carbinol functional groups.4. The trisiloxane as set forth in claim 1 , wherein the pendant silicon-bonded functional group of component (A) is a hydrogen atom.5. (canceled)6. The trisiloxane as set forth in claim 1 , wherein the pendant silicon-bonded functional group of component (A) is an epoxy-containing group.9. The trisiloxane as set forth in claim 8 , wherein each Ris an independently selected C-Calkyl group claim 8 , alternatively each Ris a methyl group.10. A composition comprising the trisiloxane as set forth in .11. The composition as set forth in claim 10 , further comprising at least one dispersant claim 10 , alternatively further comprising propylene glycol.12. The composition as set forth in claim 10 , further defined as a cleaning composition claim 10 , a coating composition claim 10 , an agricultural composition claim 10 , or an ink composition ...

Iridium Containing Hydrosilylation Catalysts and Compositions Containing the Catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable, of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

BIODEGRADABLE SUPER-SPREADING, ORGANOMODIFIED TRISILOXANE

The invention relates to polyether-modified siloxanes which are both superspreading and readily biodegradable. In particular, the invention is directed to a composition including polyether-modified siloxanes of formula (I) 1. A composition comprising polyether-modified siloxanes of formula (I){'br': None, 'sub': a', 'b', 'c, 'MDD′\u2003\u2003Formula (I)'}{'sup': 1', '1', '1', '2, 'sub': 3', '1/2', '2', '2/2', '2/2, 'with M is RSiO, D is RSiO, D′ is RRSiO,'}wherea is 2b is between 0 and 0.1,c is between 1.0 and 1.15,{'sup': '1', 'Rare independently hydrocarbyl having 1 to 8 carbon atoms,'}{'sup': '2', 'claim-text': {'br': None, 'sup': 3', '5, 'sub': 2', '2', 'm', '2', '3', 'n, '—RO[CHCHO][CHCH(CH)O]R\u2003\u2003Formula (II)'}, 'Rare independently a polyether radical of the formula (II)'}wherem is from 3.4 to 11.0,n is from 2.5 to 8.0,and wherein m/n is from 1.9 to 2.8,{'sup': '3', 'Rare independently divalent hydrocarbyl radicals having 2 to 8 carbon atoms,'}{'sup': '5', 'Ris hydrogen,'}the polyether-modified siloxanes of formula (I) having a biodegradability of from 60% to 100%.2. The composition according to claim 1 , wherein the sum total of m+n is from 9 up to 19.3. The composition according to claim 1 , wherein a 0.1 percent by weight solution of the polyether-modified siloxanes of formula (I) in water has a spreading area of from 10 to 60 cm.4. The composition according to claim 1 , wherein the polyether-modified siloxanes of the formula (I) have an index c between 1 and 1.05 claim 1 , where the m/n ratio is 0.8 to 2.8 and a 0.1% by weight solution of these siloxanes in water has a spreading area of 15 to 60 cm.5. The composition according to claim 1 , wherein the polyether-modified siloxanes of the formula (I) have a biodegradability of greater than 60% claim 1 , and the index c is additionally between 1 and 1.05 claim 1 , where the molar mass of the polyether radical M(PE) is between 520 g/mol and 660 g/mol claim 1 , the Rradical is hydrogen and a 0.1% by ...

NOVEL CATALYSTS HAVING A SILENE LIGAND

A subject matter of the present invention is the use as catalyst, in particular in hydrosilylation, of a metal complex including at least one metal atom chosen from the metals of Groups 8, 9 and 10 of the Periodic Table of the Elements and one or more ligands, characterized in that at least one ligand includes a silene structure. 1. A catalyst of a metal complex comprising at least one metal atom chosen from the metals from the group consisting of Pt , Pd , Ni , Rh , Ru , Os and Ir , wherein at least one ligand comprises a silene structure which is a silene-phosphorus ylide.4. The catalyst of the metal complex as claimed claim 1 , wherein the metal complex is used as catalyst for a hydrosilylation reaction.5. A process for the hydrosilylation of an unsaturated compound comprising at least one alkene functional group and/or at least one alkyne functional group with a compound comprising at least one hydrosilyl functional group claim 1 , said process is catalyzed by a metal complex comprising at least one metal atom chosen from the metals from the group consisting of Pt claim 1 , Pd claim 1 , Ni claim 1 , Rh claim 1 , Ru claim 1 , Os and Ir claim 1 , wherein at least one ligand comprises a silene structure which is a silene-phosphorus ylide.6. The process as claimed in claim 5 , in which the compound comprising at least one hydrosilyl functional group is chosen from the group consisting of:a silane or polysilane compound comprising at least one hydrogen atom bonded to a silicon atom;a siloxane compound comprising at least one hydrogen atom bonded to a silicon atom comprising, per molecule, at least two hydrosilyl functional groups;an organic polymer comprising hydrosilyl functional groups at the terminal positions.7. A composition comprising:at least one unsaturated compound comprising at least one alkene functional group and/or at least one alkyne functional group,at least one compound comprising at least one hydrosilyl functional group, anda catalyst chosen from the ...

Silver Containing Hydrosilylation Catalysts And Compositions Containing The Catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition ′ capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. 2. (canceled)3. (canceled)4. The method of claim 1 , further comprising (2) combining the reaction product with a reducing agent.6. The method of claim 5 , further comprising (2) combining the reaction product with an ionic activator.7. The method of claim 4 , where the reaction product comprises an Ag-ligand complex and a by-product of reaction of the Ag precursor and the ligand or of a side reaction therein.8. The method of claim 7 , further comprising removing all or a portion of the by-product.9. The method of claim 4 , further comprising using the product prepared by the method as a hydrosilylation catalyst.10. A composition comprising:{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, '(A) a catalytically active reaction product prepared by the method of ;'}(B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction; and{'sup': 4', '4, 'sub': e', 'f, '(C) a silane of formula RSiH, where subscript e is 0, 1, 2, or 3; subscript f is 1, 2, 3, or 4, with the proviso that a sum of (e+f) is 4, and each Ris independently a halogen atom or a monovalent organic group.'}11. The composition of claim 10 , where the composition further comprises one or more additional ingredients claim 10 , which are distinct from ingredients (A) claim 10 , (B) claim 10 , and (C) claim 10 , and which are selected from the group consisting of (D) a spacer; (E) ...

Cobalt Containing Hydrosilylation Catalysts and Compositions Containing the Catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. 3. (canceled)4. (canceled)5. The method of claim 1 , further comprising (2) combining an ionic activator with the reaction product.8. (canceled)9. (canceled)10. The method of claim 6 , further comprising (2) combining the reaction product with a reducing agent.12. The method of claim 11 , where one of the following conditions is satisfied:Condition (I) is satisfied, and the ligand has general formula (xiii), and the ligand is 10446 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (xvii), and the ligand is 10444 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (xii), and the ligand is selected from the group consisting of 10399 and 10401 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (xi), and the ligand is selected from the group consisting of 8500, 8749, 8977, and 10374 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (vi), and the ligand is 6253 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (iv), and the ligand is 1430, in Table 2; orCondition (I) is satisfied, and the ligand has general formula (vii), and the ligand is 732 in Table 2; orCondition (I) is satisfied, and the ligand has general formula (ii), and the ligand is selected from the group consisting of 483, 486, 819, and 8842 in Table 2; orCondition (II) is satisfied, and the ligand has general formula (xvii), and the ligand is 10441 in Table 2; ...

Molybdenum Containing Hydrosilylation Reaction Catalysts and Compositions Containing the Catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition ′ capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

NOVEL CATALYSTS WITH A SILYLENE LIGAND

A metal complex including at least one metal atom chosen from the metals of Groups 8, 9 and 10 of the Periodic Table of the Elements and one or more ligands, wherein at least one ligand includes a cyclic silylene structure and a Lewis base which donates an electron pair to the silicon atom of the cyclic silylene structure. 1. A metal complex comprising at least one metal atom chosen from the metals from the group consisting of Pt , Pd , Ni , Rh , Ru , Os and Ir , wherein at least one ligand comprises a cyclic silylene structure which is a silacyclopropylidene and a Lewis base which donates an electron pair to the silicon atom of said cyclic silylene structure.2. The metal complex as claimed in claim 1 , wherein said Lewis base of the ligand is chosen from the group consisting of carbon monoxide claim 1 , water claim 1 , alcohols claim 1 , ethers claim 1 , thiols claim 1 , sulfides claim 1 , phosphines claim 1 , phosphoalkenes claim 1 , phosphoalkynes claim 1 , amines claim 1 , imines and nitriles.3. The metal complex as claimed in claim 1 , wherein the Lewis based included in said ligand is bonded to at least one atom of the cyclic silylene structure other than the silicon atom in the silylene form.6. The metal complex as defined in is used as catalyst.7. The metal complex claimed in claim 6 , is used as catalyst for hydrosilylation reaction.8. A process for the hydrosilylation of an unsaturated compound comprising at least one alkene functional group and/or at least one alkyne functional group with a compound comprising at least one hydrosilyl functional group claim 1 , said process is catalyzed by a metal complex as defined in .9. The process as claimed in claim 8 , in which the compound comprising at least one hydrosilyl functional group is chosen from the group consisting of:a silane or polysilane compound comprising at least one hydrogen atom bonded to a silicon atom;a siloxane compound comprising at least one hydrogen atom bonded to a silicon per molecule, at ...

REUSABLE HOMOGENEOUS COBALT PYRIDINE DIIMINE CATALYSTS FOR DEHYDROGENATIVE SILYLATION AND TANDEM DEHYDROGENATIVE-SILYLATION-HYDROGENATION

Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient, reusable, and selective dehydrogenative silylation, crosslinking, and tandem dehydrogenative silylation-hydrogenation catalysts. 2. The process of further comprising removing the complex and/or derivatives thereof from the dehydrogenative silylated product in operation (i).3. The process of claim 2 , wherein using the catalyst complex in operation (ii) comprises reacting claim 2 , in a separate system claim 2 , the complex and/or derivatives thereof removed from the dehydrogenative silylated product in operation (i) with an unsaturated compound containing at least one unsaturated functional group and a silyl hydride containing at least one silylhydride functional group.4. The process of claim 1 , wherein operation (ii) comprises adding additional unsaturated compound (a) and silyl hydride (b) to the system claim 1 , and repeating reacting operation (i) in the presence of said catalyst (c) to produce additional dehydrogenatively silylated product.5. The process of claim 1 , wherein operation (ii) comprises reacting said dehydrogenatively silylated product in-situ with hydrogen in the presence of said catalyst (c) to produce a saturated and silylated product.6. The process of further comprising reacting said dehydrogenatively silylated product and/or said additional dehydrogenatively silylated product in-situ with hydrogen in the presence of said catalyst (c) to produce a saturated and silylated product.7. The process of wherein the dehydrogenatively silylated product comprises a silane or siloxane containing a silyl group and an unsaturated group.8. The process of claim 3 , wherein the unsaturated group is in the alpha or beta position relative to the silyl group.9. The process of claim 1 , wherein the molar ratio of the unsaturated group in said component (a) relative to the silylhydride functional group in said component (b) is less than equal to 1:1.10 ...

Novel isocyanide compound and hydrosilylation reaction catalyst

A hydrosilylation reaction catalyst prepared from a catalyst precursor comprising a transition metal compound of groups 8, 9, or 10 of the periodic table, excluding platinum, such as an iron carboxylate, cobalt carboxylate, or nickel carboxylate, and a ligand comprising an isocyanide compound having an organosiloxane group.

Hydrosilylation reaction catalyst

A hydrosilylation reaction catalyst prepared from: a prescribed transition metal compound such as iron pivalate, cobalt pivalate, iron acetate, cobalt acetate, or nickel acetate; a ligand comprising t-butylisocyanide or another isocyanide compound; and a borane compound, Grignard reagent, alkoxysilane, or other prescribed promoter makes it possible to promote a hydrosilylation reaction under moderate conditions, and has exceptional handling properties and storage stability.

Aminosilyl-Substituted Diarylethene Compounds for Anionic Polymerisation

The invention related to novel compounds useful as modifying monomers and precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition. 4. The compound of claim 1 , wherein each R is independently selected from a C-Caliphatic group and a C-Caromatic group claim 1 , each of which may optionally be substituted claim 1 , preferably independently selected from C-Calkyl claim 1 , C-Calkenyl claim 1 , C-Calkylaryl and C-Caryl claim 1 , more preferably independently selected from C-Calkyl claim 1 , Calkylaryl and Caryl.5. The compound of claim 4 , wherein the C-Caliphatic group is linear claim 4 , branched or cyclic and may be saturated or unsaturated claim 4 , preferably selected from methyl claim 4 , ethyl claim 4 , n-propyl claim 4 , n-butyl claim 4 , n-pentyl claim 4 , n-hexyl claim 4 , n-heptyl claim 4 , n-octyl claim 4 , n-nonyl claim 4 , n-decyl claim 4 , n-undecyl and n-dodecyl claim 4 , vinyl claim 4 , propenyl and butenyl claim 4 , i-propyl claim 4 , tert-butyl claim 4 , sec-butyl claim 4 , isopentyl claim 4 , neopentyl and isohexyl claim 4 , isopropenyl and isoprenyl claim 4 , cyclopropyl claim 4 , cyclobutyl claim 4 , cyclopentyl claim 4 , cyclohexyl claim 4 , cycloheptyl and cyclooctyl claim 4 , cyclopentenyl claim 4 , cyclohexenyl and cycloheptenyl.6. The compound of claim 4 , wherein the C-Caromatic group is a homocyclic aromatic group or heterocyclic aromatic group claim 4 , preferably selected from phenyl claim 4 , naphthyl claim 4 , thiazolyl claim 4 , isothiazolyl claim 4 , oxazolyl claim 4 , isoxazolyl claim 4 , furanyl claim 4 , thiophenyl claim 4 , pyrazinyl ...

Hydrosilylation Reaction Catalysts and Curable Compositions and Methods for Their Preparation and Use

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains an iron-organosilicon ligand complex that can be prepared by reacting an iron carbonyl compound and an organosilicon ligand. 2. (canceled)3. The composition of claim 1 , where the composition further comprises one or more additional ingredients claim 1 , which are distinct from ingredients (A) claim 1 , (B) claim 1 , and (C) claim 1 , and which are selected from the group consisting of (D) a spacer; (E) an extender claim 1 , a plasticizer claim 1 , or a combination thereof; (F) a filler; (G) a filler treating agent; (H) a biocide; (I) a stabilizer claim 1 , (J) a flame retardant; (K) a surface modifier; (L) a chain lengthener; (M) an endblocker; (N) a flux agent; (O) an anti-aging additive; (P) a pigment; (Q) an acid acceptor (R) a rheological additive; (S) a vehicle; (T) a surfactant; (U) a corrosion inhibitor; and a combination thereof.4. A method comprising: 1) reacting a composition comprising [{'sub': a', 'b, 'claim-text': subscript a is an integer with a value ranging from 1 to 2,', 'subscript b is an integer with a value ranging from 5 to 12; and, 'i) an iron carbonyl compound having general formula (i): Fe(CO), where'}, 'ii) a silicon containing ligand that coordinates with Fe, where the silicon containing ligand has, per molecule, at least one atom of Si and at least one aliphatically unsaturated group; and, '(A) a catalytically active reaction product of'}(B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction; and 'with the ...

Hydrosilylation reaction catalyst

A hydrosilylation reaction catalyst prepared from: a catalyst precursor comprising a transition metal compound, excluding platinum, belonging to group 8-10 of the periodic table, e.g., iron acetate, cobalt acetate, nickel acetate, etc.; and a ligand comprising an isocyanide compound such as t-butyl isocyanide. The hydrosilylation reaction catalyst has excellent handling and storage properties. As a result of using this catalyst, a hydrosilylation reaction can be promoted under gentle conditions.

CATALYST AND RELATED METHODS INVOLVING HYDROSILYLATION AND DEHYDROGENATIVE SILYLATION

A catalyst having a specific structure and a method of preparing the catalyst is disclosed. A composition is also disclosed, which comprises: (A) an unsaturated compound including at least one aliphatically unsaturated group per molecule, subject to at least one of the following two provisos: (1) the (A) unsaturated compound also includes at least one silicon-bonded hydrogen atom per molecule; and/or (2) the composition further comprises (B) a silicon hydride compound including at least one silicon-bonded hydrogen atom per molecule. The composition further comprises (C) the catalyst. A method of preparing a hydrosilylation reaction product and a dehydrogenative silylation reaction product are also disclosed. 2. The catalyst of claim 1 , wherein: (i) each R is independently an isopropyl group or a CFgroup; (ii) M′ is Fe or Co; (iii) n is 1; (iv) m is 1; (v) each X is independently Cl or Br; or (vi) any combination of (i) to (v).3. A catalyst mixture comprising the catalyst of and an activating compound.4. A catalytic reaction product formed from the catalyst mixture of .5. A method of preparing a catalytic reaction product claim 1 , said method comprising reductively activating the catalyst of with an activating compound to prepare the catalytic reaction product.6. The method of wherein the activating compound is i) a borohydride compound; (ii) an aluminum hydride compound; (iii) an organolithium compound; (iv) an organomagnesium compound; or (v) any combination of (i) to (iv).8. The method of further comprising preparing the ligand.9. A composition claim 7 , comprising: (1) the (A) unsaturated compound also includes at least one silicon-bonded hydrogen atom per molecule; and/or', '(2) the composition further comprises (B) a silicon hydride compound including at least one silicon-bonded hydrogen atom per molecule; and, '(A) an unsaturated compound including at least one aliphatically unsaturated group per molecule, subject to at least one of the following two ...

Activation of metal salts with silylhydrides and their use in hydrosilylation reactions

The invention relates generally to transition metal salts, more specifically to iron, nickel, cobalt, manganese and ruthenium salts, activated with silylhydrides, and their use as efficient hydrosilylation catalysts.

Disiloxane compounds and their uses

A disiloxane having a particular structure is disclosed. A method of preparing the disiloxane is also disclosed. The disiloxane is suitable for numerous end use applications. For example, the disiloxane may be utilized as a wetting agent and/or surfactant. A hydrophobing agent obtainable as a product of the hydrolysis of the disiloxane is also disclosed. The disiloxane may alternatively be utilized in a pesticidal and/or herbicidal composition, a coating, a household care composition, a personal care composition, an emulsion, or an additive for dry mixes.

HYDROSILYLATION IRON CATALYST

A hydrosilylation iron catalyst prepared from a two-electron ligand (L) and a mononuclear, binuclear, or trinuclear complex of iron indicated by formula (1), Fe having bonds with carbon atoms included in X and the total number of Fe-carbon bonds being 2-10. As a result of using iron, the hydrosilylation iron catalyst is advantageous from a cost perspective as well as being easily synthesized. Hydrosilylation reactions can be promoted under mild conditions by using this catalyst. 1. A hydrosilylation iron catalyst which is prepared from a two-electron ligand (L) and a mono- , bi- or tri-nuclear complex of iron having the formula (1):{'br': None, 'sub': 'a', 'Fe(X)\u2003\u2003(1)'}{'sub': 2', '30, 'wherein X is each independently a C-Cligand which may contain an unsaturated group, exclusive of carbonyl (CO) and cyclopentadienyl groups, at least one X contains an unsaturated group, and a is an integer of 2 to 4 per Fe atom, Fe having bonds with carbon atoms in X, and the total number of Fe-carbon bonds being 2 to 10.'}2. The hydrosilylation iron catalyst of wherein Fe bonds solely with carbon atoms in X.3. The hydrosilylation iron catalyst of or wherein each X is a C-Cligand containing an unsaturated group.4. The hydrosilylation iron catalyst of wherein X is an aryl group claim 1 , and the total number of Fe-carbon bonds is 2.5. The hydrosilylation iron catalyst of which is a mononuclear complex wherein the total number of Fe-carbon bonds is 6 to 10.6. The hydrosilylation iron catalyst of wherein the total number of Fe-carbon bonds is 10.7. The hydrosilylation iron catalyst of or wherein X is at least one ligand selected from a cyclic olefin claim 5 , acyclic olefin claim 5 , cyclic olefinyl and acyclic olefinyl group having 1 to 5 unsaturated groups in the molecule.8. The hydrosilylation iron catalyst of wherein L is at least one two-electron ligand selected from the group consisting of carbonyl claim 1 , molecular hydrogen claim 1 , amine claim 1 , imine claim 1 , ...

Branched Siloxanes And Methods For Synthesis

The present invention describes branched and functionalized siloxanes and methods for making such compounds. The compounds have a variety of uses. One preferred application is as novel planarizing material for lithography, in which case functionalized branched siloxane, such as an epoxy-modified branched siloxane is particularly useful.

Phenol-Modified Polyorganosiloxane With Reduced Platinum Content, Method For Preparing The Same, And Modifier For Organic Resin Containing The Same

A phenol-modified polyorganosiloxane suitable as a modifier for an organic resin, in which a platinum metal content is reduced, and the yellowing is reduced, a method for preparing the same, and a modifier for an organic resin containing the same are provided. The phenol-modified polyorganosiloxane is a compound of formula (I), having a platinum metal content of 0.9 ppm or less. The phenol-modified polyorganosiloxane can be prepared by subjecting a phenol compound substituted with an alkenyl group of formula (IV) and a polyorganohydrogen siloxane of formula (V) to a hydrosilation reaction in the presence of a platinum-based catalyst applicable to a homogenous system, and subsequently, reducing the platinum metal content of the resulting product to 0.9 ppm or less by conducting one or more filtration procedures selected from the group consisting of filtration conducted where activated carbon is added, filtration conducted by using a filter comprising activated carbon, and filtration conducted by using a filter capable of adsorbing cations, alone or in combination.

PLATINUM CATALYZED HYDROSILYLATION REACTIONS UTILIZING CYCLODIENE ADDITIVES

A process and composition for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the proviso that when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane. The process and composition optionally comprise an inhibitor (e). The process and composition may be employed to form a variety of hydrosilylation products. 2. The composition of claim 1 , wherein the diene comprises 1 claim 1 ,5-cyclooctadiene; 1 claim 1 ,5-dimethyl- 1 claim 1 ,5-cyclooctadiene; 1 claim 1 ,6-dimethyl-1 claim 1 ,5-cyclooctadiene claim 1 , or a combination of two or more thereof.3. The composition of claim 1 , wherein the ratio of total moles of cyclodiene additive to moles of platinum is less than 2:1.4. The composition of claim 1 , wherein the ratio of total moles of cyclodiene additive to moles of platinum is from about 0.1:1 to about 2:1.5. The composition of claim 1 , wherein the platinum compound is a Pt(0) compound claim 1 , and the ratio of total moles of cyclodiene additive to moles of platinum is from about 0.1:1 to about 100:1.6. The composition of claim 1 , wherein the platinum compound is chosen from Karstedt's catalyst claim 1 , Ashby's catalyst claim 1 , or a combination thereof.7. The composition of claim 1 , wherein the silylhydride is chosen from a compound of the formula RSiHXand/or MMDDTTQ claim 1 , where each Ris independently a substituted or unsubstituted aliphatic or aromatic hydrocarbyl group claim 1 , X is alkoxy claim 1 , acyloxy claim 1 , halogen claim 1 , or silazane claim 1 , m is 1-3 claim 1 , p is 1-3 the subscripts a claim 1 , b claim 1 , c claim 1 , d claim 1 , e claim 1 , f claim 1 , and g are such that the molar mass of the silylhydride is between 100 and 100 claim 1 ,000 Dalton; M represents a monofunctional in group of formula RSiO claim 1 , a D represents a difunctional group of ...

METHOD FOR THE HYDROSILYLATION OF A SILOXANE PHOTOCATALYSED BY A POLYOXOMETALATE COMPOUND

The invention concerns a method of hydrosilylation between a siloxane compound (A) comprising at least one hydrogen atom bonded to a silicon atom and an unsaturated compound (B) comprising at least one alkene function and/or at least one alkyne function, the method being characterized in that it is catalysed by a photocatalyst selected from among the polyoxometalates. 1. A process for hydrosilylation between a siloxane compound (A) comprising at least one hydrogen atom bonded to a silicon atom and an unsaturated compound (B) comprising at least one alkene function and/or at least one alkyne function , wherein said process is catalyzed by a photocatalyst chosen from polyoxometalates.2. The process as claimed in claim 1 , wherein said photocatalyst is a decatungstate.4. The process as claimed in claim 3 , wherein claim 3 , in formula (I) claim 3 , the symbol d is 1 and Z represents a monovalent radical chosen from the group consisting of an alkyl group having 1 to 8 carbon atoms claim 3 , which is optionally substituted with at least one halogen atom claim 3 , and an aryl group.5. The process as claimed in claim 1 , wherein said unsaturated compound (B) comprises one or more alkene functions and/or one or more alkyne functions claim 1 , and from 2 to 40 carbon atoms.6. The process as claimed in claim 1 , wherein said unsaturated compound (B) is chosen from the group consisting of:non-polymeric unsaturated organic compounds,polyorganosiloxane compounds comprising at least one alkene function and/or at least one alkyne function,and mixtures thereof.7. The process as claimed in claim 6 , wherein said unsaturated compound (B) is a non-polymeric unsaturated organic compound chosen from the group consisting of:acetylene;{'sub': 1', '4, 'Cto Calkyl acrylates and methacrylates;'}acrylic or methacrylic acid;alkenes, optionally octene and optionally 1-octene;allyl alcohol;allylamine;allyl glycidyl ether;piperidine allyl ether, optionally sterically hindered piperidine allyl ...

Process for the Preparation of Hydroxyl-Functionalized Polysiloxanes

A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I) wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C 1 -C 20 alkylene group; R 1 is hydrogen, a C 1 -C 8 alkyl group, a C 3 -C 10 cycloalkyl group, a C 6 -C 18 aryl group or an aralkyl group; R a , R b , R c , R d , R 2 , R 3 , R 4 and R 5 may be the same or different and each is independently selected from hydrogen, a C 1 -C 8 alkyl group, a C 6 -C 18 aryl group or a C 6 -C 18 aralkyl group, with the proviso that at least one of R 3 and R 4 is not hydrogen; and said siloxane conforming to Formula (II) wherein m is 1, 2, 3, 4 or 5, preferably 1; R 6 , R 7 , R 8 and R 9 may be the same or different and each represent a C 1 -C 8 alkyl group, a C 3 -C 10 cycloalkyl group, a C 6 -C 18 aryl group or a C 6 -C 18 aralkyl group; and ii) in the presence of the reaction product of step i), performing a ring opening polymerization of at least one cyclic siloxane monomer.

ANTHRAQUINONE DYE USED FOR A COLOR FILTER OF A LCD

An anthraquinone compound which is suitable for forming a color filter used for a liquid crystal display device, a composition containing a resin and the anthraquinone compound, an article having a polymer layer containing the compound and a resin, a color filter containing the compound and a method for synthesis of an asymmetric anthraquinone compound are developed. 2. The compound of claim 1 , wherein at least two of Rin formula (1) are *—X-L-S1.3. The compound of or claim 1 , wherein X is oxygen atom.4. The compound of any of to claim 1 , wherein L is alkylene group having 1 to 3 carbon atoms.5. The compound of any of to claim 1 , wherein n is 2 or less and m is 2 or less.6. A composition comprising a resin and the compound of any of to .7. The composition of claim 6 , further comprises a radiation-sensitive compound.8. An article having a polymer layer formed from the composition of or .9. The article of claim 8 , wherein the polymer layer is a negative-type layer.10. A color filter comprising at least one the compound of any of to .12. The method of wherein Rof the formula (3) is aryl group and Rof the formula (4) is aryl group claim 11 , Rand Rare substituted by the group selected from the group consisting of hydroxyl group claim 11 , amino group claim 11 , thiol group claim 11 , alkyl group having 1 to 20 carbon atoms claim 11 , aryl group or combination thereof claim 11 , and the substituent of Rand the substituent of Rare different.13. A method for synthesis of an asymmetric 1 claim 11 ,4 bis(arylamine)anthraquinone compound claim 11 , comprising the steps of: {'br': None, 'sup': '1', 'sub': '2', 'Ar—NH\u2003\u2003(5)'}, '(A) reacting in the presence of boric acid a mixture of 2,3-dihydro-9,10-dihydroxy-1,4-anthraquinone and 1,4-dihydroxyanthraquinone with a compound represented by the formula (5)'}{'sup': '1', 'wherein Aris aryl group substituted by at least one group selected from the group consisting of hydroxyl group, amino group, thiol group, alkyl ...

PLATINUM CATALYZED HYDROSILYLATION REACTIONS UTILIZING CYCLODIENE ADDITIVES

A process for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the provisos that (i) when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane, and (ii) when the platinum compound is a Pt(II)-based compound, the ratio of total moles of cyclodiene to moles of platinum is less than 3:1. 1. A process for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene , with the provisos that (i) when the unsaturated compound is a terminal alkyne , the silyl hydride is other than a halosilane , and (ii) when the platinum compound is a Pt(II)-based compound , the ratio of total moles of cyclodiene to moles of platinum is less than 3:1.3. The process of claim 1 , wherein the cyclodiene comprises 1 claim 1 ,5-cyclooctadiene; 1 claim 1 ,5-dimethyl-1 claim 1 ,5-cyclooctadiene; 1 claim 1 ,6-dimethyl-1 claim 1 ,5-cyclooctadiene claim 1 , or a combination of two or more thereof.4. The process of claim 1 , wherein the platinum compound is a Pt(II)-based compound claim 1 , and the ratio of total moles of cyclodiene additive to moles of platinum is less than 2:1.5. The process of claim 1 , wherein the platinum compound is a Pt(II)-based compound claim 1 , and the ratio of total moles of cyclodiene additive to moles of platinum is about 1:1 or lower.6. The process of claim 1 , wherein the platinum compound is a Pt(II)-based compound claim 1 , and the ratio of total moles of cyclodiene additive to moles of platinum is from about 0.1:1 to about 2:1.7. The process of claim 1 , wherein the unsaturated compound is chosen from an unsaturated polyether; an alkyl capped allyl polyether; a methylallyl polyether; a terminally unsaturated amine; an alkyne; a C2-C45 linear or branched olefin; an ...

(meth)acryloxy-containing trisiloxane, siloxane-containing polymers and biomedical devices therefrom

There is provided a trisiloxane having a 3-(meth)acryloxy-substituted (hydroxylcyclohexyl)ethyl group, useful in making water absorbing silicone-hydrogel films for biomedical devices, such as contact lens, and a process for producing these monomers. This invention also provides for copolymers made from the trisiloxane having a 3-(meth)acryloxy-substituted (hydroxylcyclohexyl)ethyl group described herein.

Nanoparticles of co complexes of zero-valent metals that can be used as hydrosilylation and dehydrogenative silylation catalysts

Nanoparticles that can be used as hydrosilylation and dehydrogenative silylation catalysts. The nanoparticles have at least one transition metal with an oxidation state of 0, chosen from the metals of columns 8, 9 and 10 of the periodic table, and at least one carbonyl ligand, preferably a silicide.

含镍硅氢加成催化剂及含有该催化剂的组合物

本发明公开了一种组合物，所述组合物含有(A)硅氢加成反应催化剂和(B)脂族不饱和化合物，所述脂族不饱和化合物平均每分子具有一个或多个能够进行硅氢加成反应的脂族不饱和有机基团。所述组合物能够通过硅氢加成反应来反应而形成反应产物，如硅烷、树胶、凝胶、橡胶或树脂。成分(A)含有金属‑配体络合物，所述金属‑配体络合物可以通过包括使金属前体与配体反应的方法来制备。

Ruthenium containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition ' capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Iridium containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition ' capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Hydrosilylation reaction catalysts and curable compositions and methods for their preparation and use

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains an iron-organosilicon ligand complex that can be prepared by reacting an iron carbonyl compound and an organosilicon ligand.

Method for preparing silicone oils by hydrosilylation of synthons containing at least a hydrocarbon ring wherein is included an oxygen atom in the presence of a catalytic metal complex

The invention concerns a method for preparing functionalised silicone oils with controlled viscosity by hydrosilylation of polyorganohydrogenosiloxanes with synthons, identical or different, containing at least a hydrocarbon cycle wherein is included an oxygen atom, said reaction being carried out in the presence of a catalytic metal complex.

Hydrosilylation reaction catalyst

Method for preparing silicone oils by hydrosilylation of synthons containing at least a hydrocarbon ring wherein is included an oxygen atom in the presence of a catalytic metal complex

The invention concerns a method for preparing functionalised silicone oils with controlled viscosity by hydrosilylation of polyorganohydrogenosiloxanes with synthons, identical or different, containing at least a hydrocarbon cycle wherein is included an oxygen atom, said reaction being carried out in the presence of a catalytic metal complex.

PROCESS FOR HYDROSILATION OF UNSATURATED MONOMERS

Metal containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Nickel containing hydrosilylation catalysts and compositions containing the catalysts

Hydrosilylation catalysts

Disclosed herein are metal-terpyridine complexes and their use in hydrosilylation reactions.

in situ activation of metal complexes containing toothless nitrogen ligands used as hydrosilylation catalysts

ativação in situ de complexos de metal contendo ligantes de nitrogênio terdentado usados como catalisadores de hydrosililação. descrito aqui é um processo para a hidrossililação de uma composição contendo um hidreto de silila e um composto contendo pelo menos um grupo insaturado, o processo compreendendo contatar um complexo com base em metal não precioso como um precursor de catalisador com um ativador sendo um agente de redução logo antes, simultaneamente ou depois de contatar o complexo com a composição, para fazer o hidreto de silia reagir com o composto contendo pelo menos um grupo insaturado produzir um produto de hidrossililação. in situ activation of metal complexes containing toothless nitrogen ligands used as hydrosilylation catalysts. described herein is a process for hydrosilylation of a composition containing a silyl hydride and a compound containing at least one unsaturated group, the process comprising contacting a non-precious metal-based complex as a catalyst precursor with an activator being a reduction just before, simultaneously with or after contacting the complex with the composition to make the silica hydride react with the compound containing at least one unsaturated group to produce a hydrosilylation product.

Iron containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Dehydrogenative silylation and crosslinking using cobalt catalysts

Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation and crosslinking catalysts.

Reusable homogeneous cobalt pyridine diimine catalysts for dehydrogenative silylation and tandem dehydrogenative-silylation-hydrogenation

Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient, reusable, and selective dehydrogenative silylation, crosslinking, and tandem dehydrogenative silylation-hydrogenation catalysts.

Dehydrogenative silylation, hydrosilylation and crosslinking using cobalt catalysts

Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation, hydrosilylation, and crosslinking catalysts.

使用矽氫之金屬鹽的活化及其在矽氫化反應之用途

本發明大致係關於經矽氫活化之過渡金屬鹽，更具體而言鐵、鎳、鈷、錳及釕鹽，及其作為有效矽氫化觸媒之用途。

鈷觸媒及其於矽氫化與脫氫甲矽烷化之用途

本文揭示含有吡啶二亞胺配位體及螯合經烯基改質之甲矽烷基配位體的鈷錯合物，及其作為矽氫化及/或脫氫甲矽烷化及交聯觸媒之用途。該等鈷錯合物亦呈現足以用於處理及操作之空氣穩定性。

Hydroboration and borylation with cobalt catalysts

In one aspect, cobalt complexes are described herein. In some embodiments, such cobalt complexes are operable as catalysts for hydroboration and borylation applications.

使用鈷觸媒之脫氫甲矽烷化、矽氫化及交聯

本文中揭示含有三齒吡啶二亞胺配位體之鈷錯合物及其作為有效及選擇性脫氫甲矽烷化、矽氫化及交聯觸媒之用途。

Cobalt catalysts and their use for hydrosilylation and dehydrogenative silylation

Disclosed herein are cobalt complexes containing terpyridine ligands and chelating alkene-modified silyl ligands, and their use as hydrosilylation and/or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.

Hafnium containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Hydrosilylation reaction catalysts and curable compositions and methods for their preparation and use

含铱硅氢加成催化剂及含有该催化剂的组合物

本发明公开了一种组合物，所述组合物含有(A)硅氢加成反应催化剂和(B)脂族不饱和化合物，所述脂族不饱和化合物平均每分子具有一个或多个能够进行硅氢加成反应的脂族不饱和有机基团。所述组合物能够通过硅氢加成反应来反应而形成反应产物，如硅烷、树胶、凝胶、橡胶或树脂。成分(A)含有金属-配体络合物，所述金属-配体络合物可以通过包括使金属前体与配体反应的方法来制备。

氢化硅烷化反应、氢化反应和氢硅烷还原反应用催化剂

催化剂，其包含式(1)的化合物，对选自对于脂肪族不饱和键的氢化硅烷化反应或氢化反应、或者对于碳‑氧不饱和键或碳‑氮不饱和键的氢硅烷还原反应中的至少一种反应具有活性。M n (L) m (1){M表示氧化数为0价的Fe、Co或Ni，L表示由下述式(2)表示的异腈配体，n表示1～8的整数，m表示2～12的整数。(CN) x ‑R 1 (2)(R 1 表示可被卤素原子取代、1个以上选自O、N、S和Si中的原子可介于其间的、碳原子数1～30的1～3价的有机基，x表示1～3的整数。)}。

硅氢加成反应催化剂和可固化组合物及它们的制备和使用方法

本发明公开了一种组合物，所述组合物含有(A)硅氢加成反应催化剂和(B)脂族不饱和化合物，所述脂族不饱和化合物平均每分子具有一个或多个能够进行硅氢加成反应的脂族不饱和有机基团。所述组合物能够通过硅氢加成反应来反应而形成反应产物，如硅烷、树胶、凝胶、橡胶或树脂。成分(A)含有可通过使羰基铁化合物与有机硅配体反应来制备的铁-有机硅配体络合物。

氢化硅烷化反应催化剂

例如由包含醋酸铁、醋酸钴、醋酸镍等除铂以外的周期表第8族、第9族、第10族的过渡金属化合物的催化剂前体与包含1，3‑二

metal complex, olefin or acetylenic derivatives hydrosilylation process and catalytic composition.

Dehydrogenative silylation and crosslinking using cobalt catalysts

본 발명은 3좌 피리딘 디-이민 리간드들을 함유하는 코발트 착물들과, 그것 들의 효과적인 그리고 선택적인 탈수소 실릴화 및 가교 촉매로서의 용도에 관한 것이다. The present invention relates to cobalt complexes containing tridentate pyridine di-imine ligands and their use as effective and selective dehydrogenation silylation and crosslinking catalysts.

含钴硅氢加成催化剂及含有该催化剂的组合物

本发明公开了一种组合物，所述组合物含有(A)硅氢加成反应催化剂和(B)脂族不饱和化合物，所述脂族不饱和化合物平均每分子具有一个或多个能够进行硅氢加成反应的脂族不饱和有机基团。所述组合物能够通过硅氢加成反应来反应而形成反应产物，如硅烷、树胶、凝胶、橡胶或树脂。成分(A)含有金属-配体络合物，所述金属-配体络合物可以通过包括使金属前体与配体反应的方法来制备。

使用钴催化剂的脱氢硅烷化、氢化硅烷化和交联

本文公开含三联吡啶二亚胺配体的钴配合物及它们作为高效的且选择性的脱氢硅烷化、氢化硅烷化和交联催化剂的应用。

用于氢化硅烷化反应的高活性催化剂和其制备方法

一种非均相的催化剂，其包含共价地结合到载体材料上的含金属的聚合物基质，和制备和使用该类催化剂的方法。所述含金属的聚合物基质包含金属纳米颗粒，所述金属纳米颗粒包封在聚合物基质，例如硅氧烷中。在一方面，所述含金属的聚合物基质可经由连接在载体材料上的疏水基团结合在载体材料上。所述催化剂在用于金属催化的反应之后可以回收并在随后的反应中再使用时显示出优异的催化活性。

"compositions, process for preparing polyether modified siloxanes and use of innovative compositions"

trata-se de siloxanos modificados por poliéter que são tanto superdisseminadores como prontamente biodegradáveis. These are polyether modified siloxanes that are both overdispersed and readily biodegradable.

METAL COMPLEXES AS HYDDOSILYLATION CATALYSTS

Novel catalysts with a silylene ligand

본 발명은, 원소의 주기율표의 8족, 9족 및 10족의 금속으로부터 선택되는 적어도 하나의 금속 원자 및 하나 이상의 리간드를 포함하며, 적어도 하나의 리간드는 고리형 실릴렌 구조 및 상기 고리형 실릴렌 구조의 규소 원자에 전자쌍을 내어놓는 루이스 염기를 포함하는 금속 착체에 관한 것이며, 이들 금속 착체는 특히, 촉매, 특별히, 하이드로실릴화에 사용되기에 적합하다. The present invention includes at least one metal atom and one or more ligands selected from metals of Groups 8, 9 and 10 of the Periodic Table of the Elements, wherein at least one ligand has a cyclic silylene structure and the cyclic silylene Metal complexes comprising Lewis bases that donate an electron pair to a silicon atom of the structure, these metal complexes being particularly suitable for use in catalysts, in particular hydrosilylation.

Iridium containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Ruthenium containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Nickel containing hydrosilylation catalysts and compositions containing the catalysts

A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Novel aminoorganofunctionalsiloxanes

Method for producing organosilicon compound having α, β-unsaturated carboxylic acid group, composition containing the compound, and optically anisotropic layer

使用环二烯添加剂的铂催化的氢化硅烷化反应

一种用于不饱和化合物的氢化硅烷化的方法和组合物，包括使(a)硅烷基氢化物与(b)不饱和化合物在(c)铂化合物和(d)环二烯存在下进行反应，条件是当所述不饱和化合物是端炔时，所述硅烷基氢化物不是卤硅烷。所述方法和组合物任选地包含抑制剂(e)。所述方法和组合物可以用来形成各种氢化硅烷化产物。

Ligand components, associated reaction products, activated reaction products, hydrosilylation catalysts and hydrosilylation curable compositions including the ligand components, and associated methods for preparing same

A ligand component is formed according to formula (1 ):R 1 2 P-X-N=C(R 2 )-Y, wherein R 1 is Ph or Cyc or a C 1 -C 20 substituted or unsubstituted ailkyl group; each Ph is a substituted or unsubstituted phenyl group; each Cyc is a substituted or unsubstituted cycloalkyl group; X is an unsubstituted arylene or a C 2 -C 3 substituted or unsubstituted alkylene; R 2 is H, methyl or Ph; and Y is pyridyl,6-phenylpyridyl or 6-methylpyridyl; with the proviso that when X is a C 2 substituted or unsubstituted alkylene and Y is pyridyl, R 2 is methyl or Ph. A reaction product including the ligand component and a metal precursor is prepared by combining the ligand component with the metal precursor. An activated reaction product is formed by activating the reaction product as a hydrosilylation catalyst.

In-situ activation of metal complexes used as hydrosilylation catalysts

Disclosed herein is a process for the hydrasilylation of a composition containing a silyl hydride and a compound containing at least one unsaturated group, the process comprising contacting a non-previous metal based complex as a catalyst precursor with an activator being a reducing agent shortly before, simultaneously or after contacting the complex with the composition, to cause the siiyl hydride to react with the compound containing at least one unsaturated group to produce a hydrosilylation product.

Process for hydrosilylation

Process for the preparation of primary aminosiloxanes

Hydrosilylation process

Verfahren zur Hydrolysierung von Kohlenstoff-Kohlenstoff-Doppel- bzw. Kohlenstoff-Kohlenstoff-Dreifachbindungen enthaltenden Verbindungen (F) mit Diorganosiloxy-Einheiten und Si-H-Gruppen aufweisenden linearen Organopolysiloxanen (Q), die hergestellt werden, indem in einem ersten Schritt Diorganodichlorsilane (A) und Monochlorsilane (B) und gegebenenfalls Dichlorsilane (C), wobei mindestens die Monochlorsilane (B) oder Dichlorsilane (C) Si-H-Gruppen enthalten, mit Wasser zu einem Teilhydrolysat (T) und gasförmigem Chlorwasserstoff umgesetzt werden und in einem zweiten Schritt das Teilhydrolysat (T) zur Entfernung der noch vorhandenen SiCl-Gruppen mit Wasser unter Bildung von Salzsäure behandelt wird, wobei ein die Organopolysiloxane (Q) enthaltendes Hydrolysat (H) anfällt.

Method for the preparation of acryloxy- or methacryloxy-functional organosilicon compounds

A method to make high-purity acryloxy- or methacryloxy-functional organosilicon compounds in high yields by inhibiting gelation of the reaction product during preparation. The method comprises (A) reacting an acrylate or methacrylate ester of an alcohol comprising an aliphatically unsaturated bond or a phenol comprising an aliphatically unsaturated bond with a (B) SiH-functional silicon compound in the presence of (C) a hydrosilylation reaction catalyst and (D) a polymerization inhibitor described by formula ##STR1## where n is 0 or 1; M is an atom selected from the group consisting of N, P, As, Sb, O, S, Se, Sn, and I; R is a monovalent hydrocarbon group or hydrogen atom; m is 1, 2, or 3; and X is a conjugate base of an organic acid or inorganic acid. The present method can further comprise distillation of the reaction mixture resulting from the reaction of component (A) and (B) in the presence of component (D).

Hydroboration and borylation with cobalt catalysts

In one aspect, cobalt complexes are described herein. In some embodiments, such cobalt complexes are operable as catalysts for hydroboration and borylation applications.

Deep groove cleaning solution after 3D NAND structure piece dry etching

本发明公开了一种3D NAND结构片干法蚀刻后的深沟槽清洗液，该清洗液的主要成分包括占清洗液10‑40质量%硝酸、0.1‑0.5质量%氢氟酸、0.01‑0.5质量%氟硅改性仲胺类有机物，0.1‑5质量%醇胺类缓蚀剂，其余为水。该清洗液能将3D NAND结构片干法蚀刻的深沟槽深宽比80:1及以下的深沟槽侧壁聚合物残渣快速清洗干净。

Hydrosilylation catalyst

本申请披露了包含2,8-二(亚氨基)喹啉配体的锰、铁、钴或镍络合物及其作为氢化硅烷化反应的催化剂或催化剂前体的用途。

Method for producing primary amino silocisan

Hydrosilylation catalysts

금속-터피리딘 착물들 및 그들의 하이드로실릴화 반응에서의 용도가 본 명세서에 개시되어 있다. Metal-terpyridine complexes and their use in hydrosilylation reactions are disclosed herein.

Hydrosilylation reaction catalyst

예를 들면, 아세트산 철, 아세트산 코발트, 아세트산 니켈 등의, 백금을 제외한 주기표 제8족, 제9족, 제10족의 천이금속 화합물로 이루어지는 촉매 전구체와, t-뷰틸아이소사이아나이드 등의 아이소사이아나이드 화합물로 이루어지는 배위자로부터 조제되는 하이드로실릴화 반응 촉매는, 취급성이나 보존성이 우수함과 아울러, 이 촉매를 사용함으로써, 온화한 조건하에서 하이드로실릴화 반응을 진행시킬 수 있다.

Non-precious metal-containing 2,8-bis(imino)quinoline complexes and their use as hydrosilylation catalysts

본 발명은 2,8-비스(이미노)퀴놀린 리간드를 함유하는 망간, 철, 코발트, 또는 니켈 착물 및 이의 하이드로실릴화 반응용 촉매 또는 촉매 전구체로서의 용도에 관한 것이다.

Nanoparticles useful as hydrosilylation and dehydrogenation silylation catalysts

Acid anhydride group-containing organosiloxane and method for producing the same

In-situ activation of metal complexes used as hydrosilylation catalysts

본 발명은 실릴 하이드라이드와 적어도 하나의 불포화기 함유 화합물을 함유하는 조성물의 하이드로실릴화 방법에 관한 것으로서, 본 발명의 방법은 촉매 전구체로서 비귀금속계 착물을 환원제인 활성화제와 접촉시키되, 상기 착물의 조성물과의 접촉하기 직전에, 그와 동시에 또는 그 후에 접촉시켜서, 상기 실릴 하이드라이드가 상기 적어도 하나의 불포화기 함유 화합물과 반응하도록 하여 하이드로실릴화 생성물을 생성한다.         The present invention relates to a process for the hydrosilylation of a composition containing silyl hydride and at least one unsaturated group containing compound, wherein the process comprises contacting a noble metal-based complex as a catalyst precursor with an activating agent which is a reducing agent, Immediately prior to, concurrently with, or subsequent to contacting the silyl hydride with the at least one unsaturated group containing compound to produce a hydrosilylation product.

Method of manufacturing hydrophilic silicone prepolymer

A method for manufacturing a hydrophilic silicone prepolymer is disclosed. The method comprises ring-opening polymerization (ROP) of cyclosiloxanes, hydrosilylation of polysiloxanes, copolymerization, and end-capping reaction. After the above processes, the hydrophilic silicone prepolymer can be obtained.