Abstract: Oxamide-functional siloxanes are prepared by reacting (A) silanes of the general formula (I) with (B) siloxanes selected from (B1) linear siloxanes of the general formula HO[SiR2O]tH??(II) and (B2) cyclic compounds of the general formula (SiR42O)s??(III), in the presence of (C) catalysts.

Abstract: The present invention provides a process for the synthesis of silylated polyurethanes, comprising three sequential steps, a step (i) of preparing NCO-terminated polyurethane, a step (ii) of partial grafting of the NCO functions with silane functions and a step (iii) of total grafting of the residual NCO functions with functions that react with the NCO functions by means of polyfunctional compounds. The present invention also provides a silylated polyurethane composition that can be obtained by means of the process according to the invention, an adhesive composition comprising said silylated polyurethane composition and a self-adhesive item obtained from the adhesive composition according to the invention.

Abstract: The present invention provides organofunctional siloxane coupling agents, dipodal siloxanes, siloxane block copolymers and a specific method for preparing these organofunctional siloxanes through an addition reaction of hydrido alkoxysilane and organofunctional disiloxanes to an organocyclosiloxane with a catalyst. The addition reaction of the current invention does not result in polymerization and therefore the novel siloxane couplings agents are free of cyclosiloxanes and polymeric siloxanes. This makes them apt for adhesives, coatings and sealant applications. The present invention also relates to the use of these organofunctional siloxane compounds for the treatment of fillers and surfaces.

Abstract: Silane-terminated polymers of the formula (I) Y—[Z—C(?O)—NR3—(CR12)b—SiRa(OR2)3-a]x??(I), are produced by reacting at least one hydroxy-functional polymer (a), comprising at least one polyether, polyester and/or polyacrylate unit, with at least one compound having at least one isocyanate group, in the presence of at least one bismuth-containing catalyst (K), with the proviso that the reaction mixture comprises 50 to 250 ppm water at the start of the reaction.

Abstract: A process for preparing a cyclic polysiloxazane is disclosed. The cyclic polysiloxazane may optionally be converted to an a-alkoxy-ou-amino-functional polysiloxane. The cyclic polysiloxazane or the a-alkoxy-oo-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.

Abstract: The present invention provides a resin composition which is excellent in moisture and heat resistance, thermal stability, rigidity, surface impact properties and chemical resistance. The resin composition includes, based on a total of 100 parts by weight consisting of (A) 30 to 99 parts by weight of a resin (component A), which is composed of 10 to 100 wt % of a polycarbonate-polydiorganosiloxane copolymer resin (component A1) and 0 to 90 wt % of an aromatic polycarbonate resin (component A2), and (B) 1 to 70 parts by weight of a polyester resin (component B), (C) 10 to 50 parts by weight of a filler (component C) which is surface-treated with a silane coupling agent having an alkyl group, wherein the content of rubber-like polymer is 3 parts by weight or less.

Abstract: A curable silicone adhesive composition comprising a heat stable siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.

Abstract: Provided are methods for extending the life of in-service electrical cable having polymeric insulation, comprising injecting a dielectric enhancement fluid composition into the cable, wherein the composition comprises: (a) one or more organoalkoxysilane functional additives (voltage stabilizer-based, hindered amine light stabilizer (HALS)-based, and/or UV absorber-based); and (b) a catalyst suitable to catalyze hydrolysis and condensation of (a), the injected composition providing for rapid initial permeation of (a) into the insulation, and extended retention of subsequent condensation products of (a) in the insulation. Additionally provided are innovative silyl functional ferrocenes (e.g., containing a ferrocene moiety and a silyl function hydrolysable to silanol) having utility as functional voltage stabilizing additives in the methods.

Abstract: Embodiments of the invention provide compositions useful in analyte sensors as well as methods for making and using such compositions and sensors. In typical embodiments of the invention, the sensor is a glucose sensor comprising an analyte modulating membrane formed from a polymeric reaction mixture formed to include limiting amounts of catalyst and/or polycarbonate compounds so as to provide such membranes with improved material properties such as enhanced thermal and hydrolytic stability.

Abstract: Described is a process for producing SiOC-bonded polyether siloxanes branched in the siloxane portion from cyclic branched siloxanes of the D/T type, wherein said process comprises in a first step reacting the mixtures of cyclic branched siloxanes of the D/T type with acetic anhydride optionally in admixture with simple siloxane cycles under acid catalysis to afford acetoxy-bearing branched siloxanes, in a second step performing the equilibration of the acetoxy-modified branched siloxane with superacid, preferably with addition of acetic acid and in a third step reacting the superacid-treated acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.

Abstract: Described is a process for producing SiOC-bonded polyether siloxanes branched in the siloxane portion from cyclic branched siloxanes of the D/T type, wherein said process comprises in a first step reacting the mixtures of cyclic branched siloxanes of the D/T type with acetic anhydride optionally in admixture with simple siloxane cycles under acid catalysis to afford acetoxy-bearing branched siloxanes, in a second step performing the equilibration of the acetoxy-modified branched siloxane with trifluoromethanesulfonic acid, preferably with addition of acetic acid, and in a third step reacting the trifluoromethanesulfonic acid-treated acetoxysiloxane with polyetherols optionally in the presence of bases and optionally in the presence of an inert solvent.

Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.

Abstract: An alkoxysilyl group-containing organic silazane compound having an average composition represented by formula (1) below: wherein R1 is a monovalent hydrocarbon group, R2 is a divalent hydrocarbon group, Y is a group represented by formula (6) or (7) below: wherein R3, R4, and R6 are a monovalent hydrocarbon group, X is an oxygen atom or a divalent hydrocarbon group, p is an integer of 0 to 9, and n is 0, 1, or 2, R5 is a monovalent hydrocarbon group, m is 0 or 1, r is 0, 1, or 2, and a and b are numbers which satisfy 0<a?1, 0?b<1, and a+b=1.

Abstract: Functionalized F-POSS compounds comprising synthetic blends of at least two feedstocks that produce a distribution of fluorinated polyhedral oligomeric silsesquioxane molecule structures and/or functional groups.

Abstract: A method of making an aminosilane, the method comprising: forming a reaction mixture comprising a hydridosilane, an amine and a dehydrogenative coupling catalyst in a reactor; subjecting the reaction mixture to conditions sufficient to cause a dehydrogenative coupling reaction between the hydridosilane and the amine to form the aminosilane and hydrogen gas; and venting the hydrogen gas; wherein the forming of the reaction mixture comprising the hydridosilane, the amine and the dehydrogenative coupling catalyst comprises continuously feeding the hydridosilane to the reactor containing the amine and the dehydrogenative coupling catalyst.

Abstract: Reactive poly(fluoroalkyl-functional siloxane) oligomers, method of making the same, and compositions comprising the same are shown and described herein. The reactive poly(fluoroalkyl-functional siloxane) oligomers are is derived from a hydrolysable fluoroalkyl-functional silanes. Coating compositions comprising reactive poly(fluoroalkyl-functional siloxane) oligomer(s) may be used to form a coating or a film on a substrate and impart hydrophobic and/or oleophobic properties. The reactive poly(fluoroalkyl-functional siloxane) oligomer are more hydrophobic and oleophobic and show better chemical resistance than the hydrolysable fluoroalkyl-functional silane.

Abstract: An ambient humidity control article for controlling ambient humidity within 55%-68%. The article includes a substrate having a predetermined water absorbability, and a humidity control layer coated on the substrate and made up of a humidity control composition. The amount of the composition coated on per cubic centimeter of the substrate is 0.54-0.74 grams. The composition includes water and at least one of citrate, lactate and formate. The citrate is at least one of sodium citrate, potassium citrate and calcium citrate. The lactate is at least one of sodium lactate and potassium lactate. The formate is at least one of sodium formate and potassium formate. The weight percentage of each of the citrate, lactate and formate in the composition is 33.3%-84.2%. The water absorption amount of the substrate is not less than 0.5 grams per cubic centimeter.

Abstract: A material for three-dimensional printing including at least one of a functionalized silicone polymer, a functionalized silica particle, or a combination thereof; wherein the functionalized silicone polymer is functionalized with a member of the group consisting of a carboxylic acid, an amine, and combinations thereof; and wherein the functionalized silica particle is functionalized with a member of the group consisting of a carboxylic acid, an amine, and combinations thereof. A process for preparing the three-dimensional printing material. A process for three-dimensional printing use of the material.

Abstract: The disclosure relates to moisture curable compositions based on a combination of silane-modified polymer and silane functional additive, their manufacture and use. The silane functional additive is preferably prepared from a water miscible polyol having a functionality of about 2 to about 4 and/or a polyol having a tertiary nitrogen atom in the backbone and a functionality equal or greater than about 2.

Abstract: Provided is a dispersion liquid for sealing a light-emitting element containing metal oxide particles having a refractive index of 1.7 or higher and a surface-modifying material at least partially attached to the metal oxide particles, in which a particle diameter D50 of the metal oxide particles when a cumulative percentage of a scattering intensity distribution obtained by a dynamic light scattering method is 50% is 30 nm or more and 100 nm or less, and a content of the surface-modifying material not attached to the metal oxide particles is 60% by mass or less with respect to a total content of the metal oxide particles and the surface-modifying material.