Abstract: The present invention relates to functionalized polyorganosiloxanes or silanes for the treatment of lignocellulosic materials.

Abstract: Methods and formulations for modified silicone resins of Formula (I) are presented: The R1, R2, and R3 are each independently selected from a group consisting of H, alkyl, alkenyl, alkynyl, and aryl; n ranges from 1 to 10; m ranges from 1 to 200; and p ranges from 2 to 1,000. The elastomeric materials prepared from modified silicone resins display robust mechanical properties following prolonged exposure to high temperatures (e.g., 316° C. or higher).

Abstract: Weather resistant and water repellent surfacing compositions especially useful in roofing applications contain an alkoxysilane-terminated polymer and a reactive silane plasticizer containing a C6-40 hydrocarbon group. The surfacing compositions are of low viscosity and may be used without non-reactive plasticizers or organic solvents.

Abstract: The present invention relates to an organopolysiloxane elastomer having a group having a siloxane dendron structure bonded to a silicon atom, and having a crosslinked structure that includes a carbon-silicon bond in the crosslinking portion, and relates to a glycerin derivative-modified organopolysiloxane elastomer having a siloxane dendron structure bonded to a silicon atom and a hydrophilic group bonded to a different silicon atom from the silicon atom, and having a crosslinked structure that includes a carbon-silicon bond in the crosslinking portion.

Abstract: A low water content soft lens for eye is provided, which includes a layer made of an acidic polymer and a basic polymer on at least a part of a surface of a base material containing a polysiloxane compound. Adhesion of the lens to the cornea during wear, which has hitherto been regarded as a problem in a conventional low water content soft lens for eye, can be reduced or avoided when using the low water content soft lens.

Abstract: The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetraalkoxysilane, at most comprising an olefinic group on the silicon atom having a reduced chloride content and the VOC content being lower with respect to the hydrolysable alkoxy-groups. The invention also relates to methods for the production thereof and to the use thereof.

Abstract: A crosslinkable polysiloxane molecule is in the form of a polysiloxane polymeric chain with a pendant group, that is, a benzoxazine group, and thus is capable of undergoing a cross-linking reaction spontaneously to produce a crosslinkable polysiloxane polymeric material. The benzoxazine group enhances the compatibility between a polysiloxane polymer and a conventional organic polymeric material, functions as a polymer flame retardant or reaction-oriented additive, and widens the application of a polysiloxane polymer to organic polymeric materials in property adjustment and the applicability of the organic polymeric materials.

Abstract: The application relates to a method for preparing organohalosilanes in a two-step process: Steps (i) contacting a copper catalyst with hydrogen gas and halogenated silanes forming a silicon-containing copper catalyst; and Step (ii) contacting said silicon-containing copper catalyst with an organohalide to form the organohalosilane.

Abstract: High refractive index acrylic device materials with reduced glistenings are disclosed. The device materials are particularly suitable for use as ophthalmic or otorhhinolaryngological device materials and comprises a poly(phenyl ether)-containing monomer and/or a poly(phenyl ether)-containing cross-linking agent.

Abstract: A conversion coating composition including a conducting polymer dispersion, at least one silane and inorganic metallic salts, wherein a pH of the composition is between 1.0 and 6.0, and wherein the inorganic metallic salts include at least one zirconium salt and at least one cerium nitrate salt.

Abstract: By preparing a one part silicone RTV composition with a high initial uncured plasticity, specifically a Williams plasticity of from 80 to 900 mm, formulations can be prepared that are easy and convenient for consumers to mold into a variety of shapes, which, once molded, will hold their shape exactly during cure without slump or flow.

Abstract: Disclosed is a powder antifoaming agent containing: (A) a hydrophobic organopolysiloxane that has a viscosity at 25° C. of 10-100,000 mm2/s; (B) a fine silica powder; (C) a surfactant; and (D) a water-soluble encapsulating agent that is in a solid state at 25° C. This powder antifoaming agent is characterized by being obtained by spray drying a dispersion liquid that is obtained by dispersing a silicone oil compound, which is obtained by mixing the component (A) and the component (B), and the component (D) in water in the presence of the component (C), and is also characterized in that the silicone oil compound is encapsulated by the component (D) that serves as an outer shell. Since the present powder antifoaming agent does not contain water by being produced by a spray drying method, the powder antifoaming agent is free from problems of emulsion antifoaming agents such as separation and putrefaction.

Abstract: The present invention relates to a copolymer of the formula where A, B, and D are independently of one another an aliphatic (cyclo)alkylene radical, R is a C1-C10 alkyl radical, and 3?x?10. The present invention also relates to a process for preparing the copolymer, to its use and also to a coating composition and a coating formulation containing the copolymer.

Abstract: Provided according to some embodiments of the invention are methods of making co-condensed macromolecules that include forming a reaction mixture by combining at least one reactant and at least one reagent at a first temperature at which the at least one reactant is substantially unreactive in the presence of the at least one reagent; raising the temperature of the reaction mixture to a second temperature at which the at least one reactant is reactive in the presence of the at least one reagent, wherein the reaction of the at least one reactant in the presence of the at least one reagent produces co-condensed macromolecules such as co-condensed silica macromolecules.

Abstract: One of the purposes of the present invention is to provide a silicone compound which has a specific number of silicon atoms, is well compatible with (meth)acryl monomers, is suitable as an ophthalmic monomer and provides a polymer having excellent durability of mechanical strength in a buffered phosphate solution. Another purpose of the present invention is to provide a silicone compound which functions well as a crosslinking agent for a polymerizable monomer. Further, another purpose is to provide a method for preparing the silicone compound, in particular the silicone compound having one specific structure at a high ratio. In the first aspect, the present invention provides a compound represented by the following formula (1-1): and a method for preparing the silicone compound. In the second aspect, the present invention provides a compound represented by the following formula (2-1): and a method for preparing the silicone compound.

Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.

Abstract: Coating compositions that include a halopigment dispersed within a silicon-containing polymeric matrix (e.g., a polysiloxane polymer) are provided. The halopigment comprises a halogenated phthalocyanine (e.g., a fluorinated phthalocyanine) attached to a support particle (e.g., a metal oxide, a non-metal oxide, and/or an inert material). The halogenated phthalocyanine can have the formula: (16R-Pc)nMLo, where each R is, independently, a halogen or a perhaloalkyl group, with each R group being independent from the other groups; Pc is a phthalocyanine compound; 1?n?2; L is a ligand or ligands and M is a cation; and 0?o?8. Methods are also provided for forming such a coating composition and for coating a substrate with the coating composition.

Abstract: A bridged polysilsesquioxane-based flame retardant filler 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 an exemplary synthetic method, a bridged polysilsesquioxane-based flame retardant filler is prepared by sol-gel polymerization of a monomer having two or more trialkoxysilyl groups attached to an organic bridging group that contains a fire retardant group (e.g., a halogen atom, a phosphinate, a phosphonate, a phosphate ester, and combinations thereof). Bridged polysilsesquioxane particles formed by sol-gel polymerization of (((2,5-dibromo-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(trimethoxysilane), for example, and follow-on sol-gel processing may serve both as a filler for rheology control (viscosity, flow, etc.) and a flame retardant.

Abstract: Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.

Abstract: An epoxy resin composition according to an embodiment of the present invention comprises an epoxy resin, 0.05-190 parts by weight, based on 10 parts by weight of the epoxy resin, of a polyester-based curing agent, wherein the epoxy resin comprises a triazine derivative epoxy compound and a siloxane compound containing an alicyclic epoxy group and a siloxane group.