Abstract: Coating materials and coated personal protective clothing items incorporating the coating material are described. The coating material includes a polymeric component; a metal oxide component; and a catalytic component. The catalytic component includes a metal oxide or a mixed metal oxide which is an effective catalyst for an oxidation reaction. The coated personal protective clothing item includes a personal protective clothing substrate with a coating including the coating material.

Abstract: The invention relates to novel silane-modified formamides and/or pre-polymers for bonding and/or sealing diverse substrate materials, such as, for example metal, wood, glass and/or plastic. The invention also relates to a reactive single-component adhesive system comprising the claimed silane-modified formamide and/or pre-polymers.

Abstract: The invention relates to novel silane-modified formamide-polymers and/or pre-polymers for bonding and/or sealing diverse substrate materials, such as, for example metal, wood, glass and/or plastic. The invention also relates to a reactive single-component adhesive system comprising the claimed silane-modified formamide polymers.

Abstract: A process for the preparation of alkoxysilyl group-containing isocyanate compounds which includes the step of reacting carbonyl chloride ClC(?O)Cl with an alkoxysilyl group-containing amine in the presence of a high boiling point base, and optionally in the presence of an inert organic solvent, in order to minimize by product production and to simplify product purification, is disclosed.

Abstract: A process for the preparation of alkoxysilyl group-containing isocyanate compounds which includes the step of reacting carbonyl chloride ClC(?O)Cl with an alkoxysilyl group-containing amine in the presence of a high boiling point base, and optionally in the presence of an inert organic solvent, in order to minimize by product production and to simplify product purification, is disclosed.

Abstract: The invention relates to low-viscosity polymers containing silane groups, the polymers curing rapidly under the effect of moisture to form an elastic material with good heat resistance and being in particular suitable for elastic adhesives and sealants. The polymers containing silane groups are based on special hydoxysilanes which carry a secondary OH group. They are in particular obtained by reacting epoxysilanes with secondary amines.

Abstract: A surface modifying composition comprises an amphiphilic compound which is non-cellulose based, the amphiphilic compound including a covalently linked ionic moiety with the following formula: where M=metal oxide or binary metal oxide, Ai is selected from compounds with surface energy greater than or equal to 25 dynes cm?1, A2 is selected from compounds with surface energy greater than or equal to 12 dynes cm?1, A3 is selected from compounds having more than one reactive functional group, x=NH2, NHR? or NR?2 (R?=methyl, ethyl, propyl or isopropyl), y=COOH, SO3H or PO3H, and R=H or halogen; and where one of the A1-x, A2, or A3-y may be replaced by a second O—R.

Abstract: A flame retardant filler having brominated silica particles, for example, imparts flame retardancy to manufactured articles such as printed circuit boards (PCBs), connectors, and other articles of manufacture that employ thermosetting plastics or thermoplastics. In this example, brominated silica particles serve both as a filler for rheology control (viscosity, flow, etc.) and a flame retardant. In an exemplary application, a PCB laminate stack-up includes conductive planes separated from each other by a dielectric material that includes a flame retardant filler comprised of brominated silica particles. In an exemplary method of synthesizing the brominated silica particles, a monomer having a brominated aromatic functional group is reacted with functionalized silica particles (e.g., isocyanate, vinyl, amine, or epoxy functionalized silica particles).

Abstract: The present disclosure invention relates to novel secondary aminosilanes, a method for producing same, and the use thereof. The secondary aminosilanes can be produced from readily available reactants in a simple manner. The secondary aminosilanes are characterized for example by a low viscosity and are well suited for producing silane-functional polymers that have a low viscosity, fast curing, and good thermal stability.

Abstract: The present invention relates to an alpha-alkoxysilane-terminated prepolymer preparable by reaction of at least one polyether polyol, of a polyisocyanate and of an alpha-alkoxysilane having at least one isocyanate-reactive group, said polyether polyol having a weight average of 500 to 7000 g/mol and having ethylene oxide and propylene oxide units, the proportion of ethylene oxide units being up to 50% by weight based on the polyether polyol. The invention further provides a process for preparing an inventive alpha-alkoxysilane-terminated prepolymer, a composition, a multicomponent system and a spray can comprising an inventive alpha-alkoxysilane-terminated prepolymer, and also a moulding obtainable by polymerization from an inventive alpha-alkoxysilane-terminated prepolymer.

Abstract: The present invention provides a fluorescent dye-silane hybrid resin manufactured by polycondensing an alkoxysilane bonded with a fluorescent dye with an organo-silane. More particularly, the present invention provides a fluorescent dye-siloxane hybrid resin that is manufactured by reacting a fluorescent dye having one or more functional groups with an alkoxysilane having an organic functional group to form an alkoxysilane bonded with the fluorescent dye and then polycondensing the alkoxysilane bonded with a fluorescent dye with an organo-silanediol and an organo-alkoxysilane having a thermocurable or ultraviolet-curable functional group without water. The fluorescent dye-silane hybrid resin has excellent thermostability, photostability, fluorescence characteristics, and processibility.

Abstract: Methods of producing a composition comprising a crosslinkable silane-terminated polymer having at least one cross-linkable silyl group in each molecule are provided.

Abstract: This invention involves a process for the preparation of haloalkylalkoxysilanes and haloalkylhalosilancs. The process comprises reacting an alkoxyhydridosilane or a halohydridosilanc silane with an alkenylhalide compound in the presence of a catalytic amount of an iridium containing catalyst. When a halohydridosilane is the silane reactant. The resulting haloalkylhalosilane may be alkoxylated by reaction with a C1-C6, alcohol. In another aspect of the invention, the reacting is conducted under a reduced oxygen atmosphere to improve the catalyst activity and the yield of the resulting haloalkylhalosilane or haloalkylalkox vsi lane.

Abstract: There is provided a hydroxyl-functional carbamoyl organosilicon compound, an anti-corrosion and/or adhesion promoting coating composition based thereon, a method for coating a metal surface employing the coating composition and the resulting coated metal article.

Abstract: Low molecular mass adduct compositions of isocyanatoalkyltrialkoxysilanes and aliphatic alkyl-branched diols or polyols are provided. The adduct compositions are liquid at temperatures of greater than 0° C. Coating compositions which provide scratch resistant clearcoat coatings upon curing are also provided.

Abstract: Novel silane compositions have been prepared by reacting a 3-isocyanatopropyl trialkoxysilane with an alcohol or diol having a divalent alkylene or alkylene-ether group. The alcohol or diol has a formula weight less than about 5000. The compositions can be used to modify the surfaces of inorganic oxygen-containing materials, including but not limited to silica, silicates, borosilicates, aluminosilicates, days, and metal oxides. Surface treatment of silica nanoparticles with these compositions improves their improved dispersion in polyester nanocomposites.

Abstract: Cross-linked sol-gel like materials and cross-linked aerogels, as well as methods for making such cross-linked sol-gel like materials and cross-linked aerogels are described.

Abstract: Alkoxysilane functionalized isocyanate based materials of low viscosity prepared by reacting in any possible order of addition an organic polyisocyanate with an isocyanate-reactive compound and an amino-functional alkoxysilane of formula I R-HN-R1-Si-(OR2)3?x(R3)x??(I) wherein R represents a group with electron withdrawing properties, R1 is a linear of branched alkylene or arylene group, R2 and R3 are identical or different and each represent alkylene or arylene groups and x is 0, 1 or 2.

Abstract: Methods for forming a pattern in a lithography process for semiconductor wafer manufacturing are provided. In an example, a method includes forming a photoresist layer over a material layer; performing a first exposure process on the photoresist layer, thereby forming an exposed photoresist layer having soluble portions and unsoluble portions; treating the exposed photoresist layer, wherein the treating includes one of performing a second exposure process on the exposed photoresist layer and forming an adsorbing chemical layer over the exposed photoresist layer; and developing the exposed and treated photoresist layer to remove the soluble portions of the photoresist layer, wherein the unsoluble portions of the photoresist layer form a photoresist pattern that exposes portions of the material layer.

Abstract: A method of preparing a polymeric methylene diphenyl diisocyanate-polydialkylsiloxane resin by mixing at a temperature between 25° C. and 100° C.: (i) a polymeric methylene diphenyl diisocyanate with (ii) a polydialkylsiloxane selected from hydroxyalkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. or (hydroxyalkoxy)alkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. in an amount such that from 1 to 99% by weight of the total weight of (i) and (ii) is component (ii), optionally in the presence of a solvent; and subsequently extracting the solvent, if present.

Abstract: A flame retardant filler having brominated silica particles, for example, imparts flame retardancy to manufactured articles such as printed circuit boards (PCBs), connectors, and other articles of manufacture that employ thermosetting plastics or thermoplastics. In this example, brominated silica particles serve both as a filler for rheology control (viscosity, flow, etc.) and a flame retardant. In an exemplary application, a PCB laminate stack-up includes conductive planes separated from each other by a dielectric material that includes a flame retardant filler comprised of brominated silica particles. In an exemplary method of synthesizing the brominated silica particles, a monomer having a brominated aromatic functional group is reacted with functionalized silica particles (e.g., isocyanate, vinyl, amine, or epoxy functionalized silica particles).

Abstract: Isocyanate-functional or protected isocyanate-functional organopolysiloxanes are prepared directly by reaction of a siloxane bearing at least one silicon-bonded hydroxyl group with an alkoxy-functional ?-silane containing an isocyanate group or blocked isocyanate group.

Abstract: A surface modifying composition comprises an amphiphilic compound which is non-cellulose based, the amphiphilic compound including a covalently linked ionic moiety with the following formula: where M=metal oxide or binary metal oxide, Ai is selected from compounds with surface energy greater than or equal to 25 dynes cm-1, A2 is selected from compounds with surface energy greater than or equal to 12 dynes cm?1, A3 is selected from compounds having more than one reactive functional group, x=NH2, NHR? or NR?2 (R?=methyl, ethyl, propyl or isopropyl), y=COOH, SO3H or PO3H, and R=H or halogen; and where one of the A1-x, A2, or A3-y may be replaced by a second O—R.

Abstract: The invention provides a process for preparing silanes which possess an isocyanate function, in which the silanes, after their chemical preparation, are purified and, after the purification, are handled exclusively in an atmosphere with a relative air humidity below 10%.

Abstract: The invention relates to the use of salts of branched fatty acids for catalyzing the reaction between star-shaped alcohols and isocyanates.

Abstract: In accordance with the present invention, novel multifunctional compounds have been developed which have orthogonal reactive groups thereon, thereby facilitating preparation of compounds having multiple functional properties (e.g., a targeting moiety and a biologically active moiety). Such constructs are useful for a variety of applications, e.g., for the delivery of biologically compatible materials, and release thereof in active form. Therefore, in accordance with the present invention, there are provided multifunctional linkers of defined structure, as well as various derivatives thereof bearing one or more biologically active components thereon. Also provided in accordance with the present invention are methods for the preparation of such constructs, as well as various uses thereof.

Abstract: In accordance with the present invention, novel multifunctional compounds have been developed which have orthogonal reactive groups thereon, thereby facilitating preparation of compounds having multiple functional properties (e.g., a targeting moiety and a biologically active moiety). Such constructs are useful for a variety of applications, e.g., for the delivery of biologically compatible materials, and release thereof in active form. Therefore, in accordance with the present invention, there are provided multifunctional linkers of defined structure, as well as various derivatives thereof bearing one or more biologically active components thereon. Also provided in accordance with the present invention are methods for the preparation of such constructs, as well as various uses thereof.

Abstract: The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxane crosslinker having at least two terminal ethylenically-unsaturated groups, dangling polysiloxane chains each of which is terminated with one ethylenically unsaturated group, and chain-transfer units derived from a chain transfer agent other than a RAFT agent. A prepolymer of the invention is suitable for making hydrogel contact lenses. The present invention is also related to hydrogel contact lenses made from an amphiphilic polysiloxane prepolymer of the invention and to processes for preparing an amphiphilic polysiloxane prepolymer of the invention and for making silicone hydrogel contact lenses.

Abstract: A compound having formula (I): X—E—Si?Cl3??(I) wherein: X represents an isocyanate function; E represents a straight, branched or cyclic alkyl chain comprising from 4 to 30 carbon atoms, and optionally contains a bridge function of —O—, —S—, —NH— or aryl; and X and SiCl3 are separated by a chain of at least 4 carbon atoms.

Abstract: The invention relates to the use of partly silanized compounds based on polyisocyanate as crosslinking agents with heightened refractive index in curable coating compositions, more particularly in clearcoat materials for automotive finishing. The invention likewise relates to a coating composition which comprises these compounds as crosslinking agents, and to the use of the coating composition to produce a coating.

Abstract: A description if given of novel siloxane copolymers producible by (a) reacting in a first step organopolysiloxanes (1) which comprise per molecule at least one Si-bound hydrogen atom with substantially linear oligomeric or polymeric compounds (2) of the general formula R1-(A-CnH2n)m-A1-H (I), wherein R1 is a monovalent substituted or unsubstituted hydrocarbon moiety to which Si—H groups can be added in a hydrosilylation reaction, A is a divalent, polar organic moiety selected from the group —O—, —C(O)—O—, —O—C(O)—, —O—C(O)—O—, —C(O)—NH—, —NH—C(O)—, urethane moiety and urea moiety, A1 is a divalent, polar organic moiety selected from the group —O—, —NH— and —NR?— (wherein R? is a monovalent hydrocarbon moiety having 1 to 18 carbon atoms), n is an integer from 1 to 20 and m is O or a positive integer, (b) reacting in a second step the resultant H-A1 group-bearing intermediates (4) with organic compounds (5) which comprise per molecule at least two isocyanate groups, wherein the reaction takes place in the prese

Abstract: A chemical composition comprises one or more urethane oligomers of at least two polymerized units selected from the group consisting of fluorine-containing urethane oligomers and long-chain hydrocarbon-containing urethane oligomers, wherein said oligomers comprise the reaction product of (a) one or more polyfunctional isocyanate compounds, (b) one or more polyols, (c) one or more monoalcohols selected from the group consisting of fluorocarbon monoalcohols, optionally substituted long-chain hydrocarbon monoalcohols, and mixtures thereof, (d) one or more silanes, and (e) one or more stabilizers comprising one or more reactive groups.

Abstract: Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and/or dirt repellent. The compounds have the formula (Rf)xR1—(R2)y]z wherein Rf is a fluorine-containing group, R1 is the residue of a polyisocyanate. R2 is of the formula —NH—CO—X1—R3(CH2CH2—S—R5—Si(Y)p(R6)3p)q wherein X1 is —O— or —NR4—, where R4 is H or C1-C4 alkyl, R3 is a polyvalent alkylene or arylene group, or combinations thereof, said alkylene groups optionally containing one or more catenary oxygen atoms, R5 is a divalent alkylene group, said alkylene group optionally containing one or more catenary oxygen atoms, Y is a hydrolysable group, R6 is a monovalent alkyl or aryl group, p is 1, 2 or 3, q is 1 to 5, x and y are each independently at least 1, and z is 1 or 2.

Abstract: The invention relates to polyisocyanates containing allophanate groups and silane groups, to a process for preparing them and to their use as a starting component in the production of polyurethane polymers, more particularly as a crosslinker component in polyurethane paints and coatings.

Abstract: The present invention relates to unblocked nanoparticle-modified polyisocyanates having increased stability in the NCO content.

Abstract: Isocyanate-functional or protected isocyanate-functional organopolysiloxanes are prepared directly by reaction of a siloxane bearing at least one silicon-bonded hydroxyl group with an alkoxy-functional ?-silane containing an isocyanate group or blocked isocyanate group.

Abstract: The invention relates to a process for treating a composition comprising organosilanes and at least one polar organic compound and/or at least one extraneous metal and/or a compound containing extraneous metal, wherein the composition is contacted with at least one adsorbent and a composition in which the content of the organic polar compound and/or of the extraneous metal and/or of the compound containing extraneous metal is reduced is subsequently obtained, and also to a corresponding composition in which the content of polar organic compounds and/or extraneous metals has been reduced to traces, and to the use of organic resins, activated carbons, silicates and/or zeolites for reducing the amounts of the compounds mentioned.

Abstract: A flame retardant which comprises an inorganic hydroxide and a carbodiimide-group-containing organic layer chemically bonded to the surface of the inorganic hydroxide. Examples of the carbodiimide-group-containing organic layer include a layer comprising a carbodiimide-group-containing compound represented by either of the following formulae. Due to the constitution, the flame retardant can be highly dispersed in a resin even when added in a high proportion and can give a molding inhibited from deteriorating in electrical properties, mechanical properties, etc. (X1)m-Z-[A-(R1—N?C?N)n—R1—NCO]1??(1) (X1)m-Z-[A-(R1—N?C?N)n—R1-A-Z-(X2)3])3??(2) [R1 represents a residue of an isocyanate compound; X1 and X2 each independently represents hydrogen, halogeno, etc.

Abstract: Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and/or dirt repellent. The compounds have the formula (Rf)xR1—(R2)y]z wherein Rf is a fluorine-containing group, R1 is the residue of a polyisocyanate. R2 is of the formula —NH—CO—X1—R3(CH2CH2—S—R5—Si(Y)p(R)3p)q wherein X1 is —O— or —NR4—, where R4 is H or C1-C4 alkyl, R3 is a polyvalent alkylene or arylene group, or combinations thereof, said alkylene groups optionally containing one or more catenary oxygen atoms, R5 is a divalent alkylene group, said alkylene group optionally containing one or more catenary oxygen atoms, Y is a hydrolysable group, R6 is a monovalent alkyl or aryl group, p is 1, 2 or 3, q is 1 to 5, x and y are each independently at least 1, and z is 1 or 2.

Abstract: A coating composition is provided which includes an adhesion promoter or a crosslinker silane which, upon hydrolysis, of its hydrolyzable sites, produces a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups.

Abstract: Isocyanate-functional silanes, particularly isocyanate-functional ?-silanes, are prepared in good yield by a liquid phase thermolysis conducted in the presence of a catalyst at a pressure of >100 mbar, or >80 mbar when a thin-film evaporator is used.

Abstract: The invention provides a process for preparing silanes which possess an isocyanate function, in which the silanes, after their chemical preparation, are purified and, after the purification, are handled exclusively in an atmosphere with a relative air humidity below 10%.

Abstract: Alkoxysilyl-terminated prepolymers in which the alkoxysilyl group is linked to a tertiary nitrogen group through a Cl carbon spacer exhibit excellent moisture curing reactivity and yet are easily prepared. The tertiary nitrogen group-containing ?-aminoalkoxysilyl group is introduced into the prepolymer by reacting a tertiary nitrogen group-containing ?-aminoalkoxysilane with an isocyanate-terminated prepolymer or isocyanate-functional precursor thereof.

Abstract: A process for preparing isocyanoatoorganosilanes by thermolysis of carbamatoorganosilanes in the presence of microwave radiation, optionally employing homogeneous or heterogeneous catalysis, provides isocyanatoorganosilane product in higher yield than prior art thermolyses, and with fewer byproducts. A continuous process is thus possible.

Abstract: A method for producing an isocyanate group-containing siloxane compound is provided. In this method, a halogenated siloxane compound represented by the following general formula (1): or the following general formula (2) wherein R1, R2, R3, and R4 are independently hydrogen atom, a monovalent hydrocarbon group containing 1 to 8 carbon atoms, or a siloxy group represented by OSiR5R6R7 wherein R8, R6, and R7 are a monovalent hydrocarbon group containing 1 to 8 carbon atoms, X is a halogen atom, n is an integer of 1 to 10, a is 0, 1, or 2, and b is an integer of 2 to 9; is reacted with a cyanate salt represented by the following general formula (3): Mm+(OCN)m??(3) wherein M represents an alkali metal or an alkaline earth metal, and m is 1 or 2. The isocyanate group-containing siloxane compound produced is represented by the following general formula (4): or the following general formula (5): wherein R1, R2, R3, R4, n, q, and a are as defined above.

Abstract: A process is provided for making a moisture-curable silylated resin composition by reacting (i) at least one polyol, (ii) at least one polyisocyanate and (iii) at least one isocyanatosilane, optionally in the presence of catalyst, wherein the NCO/OH ratio is less than 1. The resulting moisture-curable silylated resin composition is useful in the manufacturer of each product as moisture-curable sealants, coatings and adhesives.

Abstract: Molecule responding to formula X-E-SiCl3 wherein: X represents an isocyanate function —N?C?O and B represents an alkyl chain, its use for preparing a device comprising a mineral support (MS) and bound thereto at Self Assembled Monolayer (SAM) of molecules, the Self Assembled Monolayer grafted substrate thus obtained and its use in assays for detection of a target molecule and/or screening of interaction with other molecules.

Abstract: Novel 4,4-diarylbutadiene-substituted methyltrialkylsilanes having the structural formula (I): are useful sunscreens for UV-photoprotecting human skin against the damaging effects of UV-radiation, notably UV-A radiation.

Abstract: The present invention relates to silane adducts having a relatively higher adhesive strength as expressed formula X3SiR1, and manufacturing method thereof. wherein X is a hydrogenated form selected from one of epoxy compounds, amino compounds and bisphenolic, and R1 is selected from one of glycidyloxypropyl group, 2-(3,4-epoxycyclohexyl)ethyl group, 3-acryloxypropyl group, 3-methacryloxypropyl group, amino-propyl group, 3-[2-(2-aminoethylamino)ethylamino]propyl group, N-methylaminopropyl group, N-phenylaminopropyl group, N,N-dimethyl-3-aminopropyl group, mercapto-propyl group, cyano-propyl group, and isocyanato-propyl group.

Abstract: A method for producing an isocyanate group-containing siloxane compound is provided. In this method, a halogenated siloxane compound represented by the following general formula (1): or the following general formula (2) wherein R1, R2, R3, and R4 are independently hydrogen atom, a monovalent hydrocarbon group containing 1 to 8 carbon atoms, or a siloxy group represented by OSiR5R6R7 wherein R8, R6, and R7 are a monovalent hydrocarbon group containing 1 to 8 carbon atoms, X is a halogen atom, n is an integer of 1 to 10, a is 0, 1, or 2, and b is an integer of 2 to 9; is reacted with a cyanate salt represented by the following general formula (3): Mm+(OCN)m ??(3) wherein M represents an alkali metal or an alkaline earth metal, and m is 1 or 2. The isocyanate group-containing siloxane compound produced is represented by the following general formula (4): or the following general formula (5): wherein R1, R2, R3, R4, n, q, and a are as defined above.