Abstract: The present disclosure provides an aerogel precursor including an alkoxydisiloxane-based prepolymer and having a functional group derived from a hydrophobic sol-gel forming agent of the following Chemical Formula 1 on a surface thereof, and therefore, capable of enhancing high temperature thermal stability of an aerogel providing hydrophobic pores having uniform pore size distribution when preparing an aerogel, and an aerogel prepared using the same: (in Chemical Formula 1, M, R, R1 to R4 are the same as defined in the specification.

Abstract: Described herein are compositions and methods for forming silicon and oxygen containing films. In one aspect, the film is deposited from at least one precursor, wherein the at least one precursor selected from the group consisting of Formulae A and B: wherein R, R1, and R2-8 are as defined herein.

Abstract: An object is to provide a surface treatment liquid which can firmly bond, while coating the surface of a treatment target with an extremely thin film, a coating whose hydrophilicity is unlikely to be lowered even when the coating is brought into contact with fats and the like to the surface of the treatment target and a surface treatment method using the surface treatment liquid described above. In a surface treatment liquid containing a resin (A) and a solvent (S), as the resin (A), a resin is used which includes a constituent unit (a1) that includes an organic group including a quaternary ammonium cation group and having a sulfonic acid anion group at a terminal and that is derived from an N-substituted (meth) acrylamide, and includes a reactive silyl group in at least one of molecular chain terminals, the concentration of the resin (A) in the surface treatment liquid is less than 2 mass % and the pH of the surface treatment liquid is 4 or less.

Abstract: Provided are a composition, a cured polymer material formed from said composition, a method for forming a thermally conductive material on an article and an article having a thermally conductive material. Said thermally conductive material can be formed on an electronic device, and can be peeled off from said electronic device.

Abstract: Provided is a copolymer composed of an aromatic vinyl monomer, a conjugated diene monomer, and a functional monomer including two or more nitrogen atoms and a method of preparing the copolymer.

Abstract: A compound according to formula I: X—(CF2)n-(O)p(CH2)m-Si—Y3 wherein X is CF2?CF—O—, CH2?CHCH2—O—, or CH2?CHCH2—; n is an integer from 2 to 8; m is an integer from 2 to 5; p is 0 or 1; and Y is Cl— or —OR, where R is a linear or branched alkyl having 1 to 4 carbon atoms. In some embodiments, Y is —O(CH2)xCH3, where x is an integer from 0 to 3.

Abstract: A curable organopolysiloxane composition that can be used as a sealant or a bonding agent for optical semiconductor elements is disclosed. The composition comprises: (A) an alkenyl-containing organopolysiloxane that comprises constituent (A-1) of an average compositional formula and constituent (A-2) of an average compositional formula; (B) an organopolysiloxane that contains silicon-bonded hydrogen atoms and comprises a constituent (B-1) containing at least 0.5 wt. % of silicon-bonded hydrogen atoms and represented by an average molecular formula, constituent (B-2) containing at least 0.5 wt. % of silicon-bonded hydrogen atoms and represented by an average compositional formula, and, optionally, constituent (B-3) of an average molecular formula; (C) an adhesion promoter; and (D) a hydrosilylation-reaction catalyst. The composition can form a cured body that possesses long-lasting properties of light transmittance and bondability, and relatively high hardness.

Abstract: A hybrid composition includes an isocyanate, a polyester having at least one carbon-carbon double bond and at least one hydroxyl group, castor oil present in an amount of from 5 to 30 weight percent, a catalyst, and a solvent. The hybrid composition can be formed using various methods. The method may include combining the isocyanate and the castor oil to form a first adduct, combining the polyester, the solvent, and the catalyst to form a second adduct, and combining the first adduct and the second adduct. The method may alternatively include combining the castor oil, the solvent, and the polyester to form a third adduct, combining the third adduct with the isocyanate, and combining the catalyst with the third adduct and the isocyanate. The method may alternatively include combining the catalyst and the isocyanate component to form a fourth adduct, and combining the third and fourth adducts.

Abstract: Provided is a solid phase carrier capable of improving detection sensitivity, and a detection device. The solid phase carrier is provided with a polydimethylsiloxane layer with an initiator on the surface, and titanium dioxide particles distributed in said polydimethylsiloxane layer with an initiator on the surface.

Abstract: The present invention relates to a polymerizable composition based on allyl carbonate monomers comprising: —from 40% to 90% of a first reactive component (component A) comprising at least 50% by weight of diethylene glycol bis(allyl carbonate); from 10% to 60% of a second reactive component (component B) consisting of at least one compound having general formula (II) or having general formula (III) from 0.4 to 10.0 phm (parts by weight per 100 parts of the total weight of components A and B) of at least one peroxide radical initiator. The present invention also relates to the polymerized products that can be obtained from the above composition, their preparation process and their use as organic glass.

Abstract: A composition curing upon exposure to moisture comprises (A) one or more at least bifunctional silane compounds with at least two alkoxysilane groups, (B) at least one monofunctional silane compound with only one alkoxysilane group, and/or a partially condensed or bridged derivative thereof, and (C) at least one acid generator which, upon exposure to actinic radiation or heat, releases an acid. In addition, further additives (D) may be contained in the compositions according to the present invention. The composition is liquid at room temperature and, apart from the latent acid generator, does not contain any further catalysts for moisture-curing of alkoxysilanes. After activation of the acid generator the composition cures in the presence of moisture, while remaining liquid at room temperature in the presence of humidity over a period of at least 24 hours prior to activation of the acid generator. Furthermore, a method of joining or casting structural elements using the composition is described.

Abstract: A silicone resin represented by formula (1) and having a Mw of 1,000-8,000 is useful in cosmetics. [(C6H5)3SiO1/2]a[R13SiO1/2]b[R22SiO2/2]c[R3SiO3/2]d[SiO4/2]e??(1) R1 is a C1-C8 alkyl group, C6-C12 aryl group (exclusive of phenyl) or C1-C8 fluorinated alkyl group, R2 and R3 are each independently a C1-C8 alkyl group, C6-C12 aryl group or C1-C8 fluorinated alkyl group, a=0-0.2, b=0.1-0.5, c=0-0.2, d=0.01-0.5, e=0-0.6, a+b+c+d+e=1.0, at least one phenyl group is included in the molecule. A film of the silicone resin has a refractive index of at least 1.48.

Abstract: A curable organopolysiloxane composition, a Light Emitting Diode (LED) encapsulant and a semiconductor device, employ a curable organopolysiloxane composition containing a branched organopolysiloxane bearing alkenyl groups and aryl groups, a linear organopolysiloxnae bearing terminal Si—H functionality, and a low molecular weight component having at least one alkenyl group. As an encapsulant, the composition displays improved stability.

Abstract: The subject of the present invention is the use, as hydrosilylation and/or dehydrogenative silylation catalyst, of a cobalt compound of formula (1): [CO(N(SiR3)2)x]y in which: —the R symbols, which are identical or different, represent a hydrogen atom or a hydrocarbon-based radical having from 1 to 12 carbon atoms, and preferably the R symbols, which are identical or different, are chosen from the group consisting of: a hydrogen atom, alkyl groups having from 1 to 8 carbon atoms and aryl groups having from 6 to 12 carbon atoms, —x=1, 2 or 3 and—y=1 or 2.

Abstract: A method for making long chain hydroxyl terminated polydiorganosiloxanes with low cyclics content via condensation polymerization employs a trifluoromethane sulfonate compound catalyst. The trifluoromethane sulfonate may be complexed with a multidentate ligand.

Abstract: Organic electronics applications, especially an organic light-emitting diode (OLED), an organic solar cell (organic photovoltaics) or a switching element such as an organic transistor, for example an organic FET (Field Effect Transistor) and an organic TFT (Thin Film Transistor), comprising at least one substituted phenoxasiline derivative, a organic semiconductor layer, a host material, electron/hole/exciton blocking material or electron/hole injection material comprising at least one substituted phenoxasiline derivative, the use of a substituted phenoxasiline derivative in organic electronics applications, an organic light-emitting diode, wherein at least one substituted phenoxasiline derivative is present in the electron/hole/exciton blocking layer, the electron/hole injection layer and/or the light-emitting layer, a light-emitting layer, an electron/hole/exciton blocking layer and an electron/hole injection layer comprising at least one substituted phenoxasiline derivative and a device selected from the g

Abstract: A dual cure (condensation and free radical reaction) adhesive composition is useful for electronics applications.

Abstract: Described is a process for producing trifluoromethanesulfonic acid-acidified, end-equilibrated, acetoxy-bearing siloxanes which comprises reacting cyclic siloxanes, in particular comprising D4 and/or D5, and/or cyclic branched siloxanes of the D/T type with acetic anhydride using trifluoromethanesulfonic acid as catalyst and with addition of acetic acid.

Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 100° C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.

Abstract: Disclosed is an antimicrobial silicone rubber, functional macromolecules being chemically bonded to the surface of the silicone rubber and containing vinyl or ethynyl, and the functional macromolecules being chemically bonded to the surface of the silicone rubber by means of vinyl or ethynyl; the functional macromolecules comprise polyamino acid macromolecules of which the molecular structure is as shown in (I) and (II).