Abstract: Process for producing SiOC-bonded, linear polydimethylsiloxane-polyoxyalkylene block copolymers comprising repeating (AB) units, comprising pretreating acidified, end-equilibrated ?,?-diacetoxypolydimethylsiloxanes with a base and reacting the ?,?-diacetoxypolydimethylsiloxanes resulting therefrom with polyether diols in the presence of a solid, liquid or gaseous base, optionally using inert solvents.

Abstract: A silicone-organic copolymer has the formula Xg[ZjYo]c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyacrylate moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0<j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-organic copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-organic copolymer and a condensation-reaction catalyst.

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: A hydrophilic slippery treatment agent which allows for the formation of a coating having hydrophilicity concurrently with water droplet removability via drying at lower temperatures, a surface treatment method using the hydrophilic slippery treatment agent, a substrate having a hydrophilic slippery coating formed thereon by the surface treatment method, and a fin material for a heat exchanger having a hydrophilic slippery coating formed thereon by the surface treatment method are provided. The treatment agent contains an organosilicon compound with a specific structure including both a hydrophilic-chain-containing group and a hydrolyzable group, and a metal alkoxide.

Abstract: Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue. Coatings with thicknesses ranging from about 10 nm to about 10 ?m exhibited excellent transmittance properties. Such films exhibited durability against abrasion, ink-resistance, anti-graffiti, anti-fingerprint, and strong adhesion to glass surfaces. The coatings are applicable to electronic devices, fabrics, glass, etc. to prepare optically clear, stain-resistant, and smudge-resistant surfaces.

Abstract: A hot-melt adhesive composition comprises a mixture of silylated polymers, a tackifying resin and a catalyst, in specific contents, having self-adhesive properties after crosslinking to moisture. A self-adhesive article comprises a support layer and at least one self-adhesive layer obtained after crosslinking to the moisture in the adhesive composition according to the invention. The self-adhesive article can be used to bond low-energy substrates, in particular plastic substrates, notably thermoplastic substrates having low surface energy.

Abstract: Provided herein is a carbinol-functional silicone resin. The carbinol-functional silicone resin is prepared by reacting a raw silicone resin having at least 1 mass % of silicon atom-bonded hydroxyl groups, silicon atom-bonded alkoxy groups, or a combination thereof, and a dihydroxy-functional compound, in the presence of a condensation catalyst and a solvent. The carbinol-functional silicone resin can produce a solid silicone-modified polyester without gelation of the silicone resin.

Abstract: Ethylsilicate polymers and a method of making, specifically ethylsilicate polymer binders with reduced levels of regulated volatile organic compounds (VOCs) for use in the coatings industry and casting industry, and more specifically to stable, fast cure ethylsilicate polymer binders with low levels of regulated VOCs.

Abstract: The present invention provides a compound represented by general formula (A1) or (A2): R1—(PE1-Y)n—PE2-X—(SiRakRblRcm)???(A1) (RcmRblRakSi)?—X—(PE1-Y)n—PE2-X—(SiRakRblRcm)???(A2) wherein each of symbols is as defined in the description.

Abstract: Materials containing the reaction products of a cyclic azasilane with water and a compound or polymer containing an isocyanate or epoxy functional group and methods for their synthesis are provided. Stable mixtures containing a cyclic azasilane and a compound or polymer containing an isocyanate or epoxy functional group according to invention are stored under anhydrous conditions. The invention also provides a novel class of materials, mono and bis(cycloaza)disiloxanes comprising one or two cyclic structures bridged by an Si—O—Si bond.

Abstract: The present invention relates to novel, soluble, multi-ligand-substituted metal oxide compounds to form metal oxide films with improved stability as well as compositions made from them and methods of their use. Specifically, the invention pertains to compounds having the following structure (I) wherein M is a metal and n is 1 to 20, and wherein at least one of R1, R2, R3, and R4 is i) and at least at least one of R1, R2, R3, and R4 is ii), where i) is a silicon bearing organic moiety having at least 2 carbons, and ii) is an organic moiety. The invention also relates to spin-coatable compositions of compounds of structure (I) dissolved into a solvent. The present invention further relates to processes using this spin coatable composition to form a coating on a patterned substrate.

Abstract: An oil compound used for defoaming includes (A) a substantially hydrophobic organopolysiloxane having a viscosity of 10 to 100,000 mm2/second at 25° C., and (B) finely divided silica that has undergone surface hydrophobization treatment, wherein when an insoluble matter is collected from the oil compound by using hexane and the spectra of the insoluble matter are measured by 29Si-CP/MAS-NMR, the peaks of the silica due to the SiO4/2 (Q) units on the silica surface are such that a ratio [(Q2+Q3)/Q4] between a total area (Q2+Q3) wherein Q2 is a peak area of a silicon atom having two unreacted silanol groups and Q3 is a peak area of a silicon atom having one unreacted silanol group and an area Q4 wherein Q4 is a peak area of a silicon atom having no unreacted silanol group is at 70/30 to 20/80.

Abstract: There is provided new mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.

Abstract: An organosilicone emulsion composition comprising (A) 100 parts by weight of an organopolysiloxane having a viscosity of at least 500 Pa·s at 25° C., (B) 1-50 parts by weight of a polyether-containing organosiloxysilicate, (C) 1-50 parts by weight of a nonionic surfactant, and (D) 10-1,000 parts by weight of water is stable.

Abstract: Embodiments of the invention provide analyte sensors having elements designed to modulate their chemical reactions as well as methods for making and using such sensors. In certain embodiments of the invention, the sensor includes a hydrophilic comb-copolymer having a central chain and a plurality of side chains coupled to the central chain, wherein at least one side chain comprises a silicone moiety.

Abstract: A method for manufacturing a hydrophilic silicone macromer is provided. A hydrosilylation between a Si—H bond of a polysiloxane and a C?C bond of a hydrophilic mononmer is performed by using a rhodium-containing catalyst to form the polysiloxane having a hydrophilic side chain having an amide group or a phosphoryl choline group. After performing an end-capping reaction, the hydrophilic silicone macromer is formed.

Abstract: 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.

Abstract: The invention is directed to phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymer compositions made therefrom having improved optical clarity and better low temperature impact resistance.

Abstract: Preparation of bifunctional polyisobutenes in which isobutene or an isobutene-containing monomer mixture is polymerized in the presence of a Lewis acid and a compound of the formula I in which X is an acyl radical or the radical of an organic or inorganic acid group, R1 to R4 are identical or different and are hydrogen or a hydrocarbon radical.

Abstract: The present disclosure discloses a silicon-sulfur polymer, a solid electrolyte comprising the silicon-sulfur polymer, and a corresponding solid-state lithium-ion battery. The silicon-sulfur polymer of the present disclosure is a polymer compound comprising both an inorganic backbone-chain structure and an organic side-chain structure, and has the characteristics of both the organic polymer and the inorganic polymer as well as many unique properties. Therefore, the solid electrolyte formed by the silicon-sulfur polymer and the solid-state lithium-ion battery thereof have many good characteristics including a good lithium-ion-conduction capability, better thermal endurance, a wider range of operating temperatures, and better thermostability.

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

Abstract: The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants. More specifically the invention relates to alkoxysilyl polyurethanes prepared from a polyol having a number-average molecular weight of from greater than 20,000 to 30,000 and an isocyanate alkoxysilane.

Abstract: The present invention provides an electrophotographic member capable of more definitely suppressing occurrence of a C set image. The electrophotographic member has a surface layer including a modified polysiloxane having a structure represented by the following formula (1). In the formula (1), G represents a bivalent group having an ethylene oxide chain represented by (—O—C2H4—) and L represents polysiloxane having at least a SiO4/2(Q) unit or a SiO3/2(T) unit.

Abstract: The present invention relates to a polycarbonate-polysiloxane copolymer containing a polysiloxane unit. The polycarbonate-polysiloxane copolymer of the present invention includes an aliphatic terminal having a specific carbon number, thereby having excellent impact properties at low temperature, and high transparency.

Abstract: Polyheterosiloxane compositions are disclosed containing at least 70% by weight of the following components: (A) a first metal (M1) selected from Ti, Zr, or Zn, (B) a second metal (M2) selected from a non-lanthanide metal, (C) siloxy units having the formula R2SiO2/2 or R?SiO3/2, where R? is independently a hydrocarbon group or halogen substituted hydrocarbon group containing 1 to 18 carbon atoms. The disclosed compositions are useful to prepare high refractive index materials.

Abstract: Disclosed herein is are thermoplastic compositions comprising a blend of a homopolycarbonate comprising units derived from an aromatic dihydroxy compound and a copolymer comprising isosorbide units and siloxane units. The copolymer comprising isosorbide units and siloxane units can further comprise non-isosorbide aliphatic units derived from a C14-44 aliphatic diacid, a C14-44 aliphatic diol or combination of these, aromatic units, aliphatic units derived from an oligomer having a weight average molecular weight of 900 to 4000 or a combination of some or all of the foregoing additional units.

Abstract: It is an object of the present invention to provide a polycarbonate-polydiorganosiloxane copolymer having improved transparency. The present invention is the polycarbonate-polydiorganosiloxane copolymer comprises a polycarbonate block and a polydiorganosiloxane block, wherein (i) the copolymer has an aggregation structure comprising a matrix of the polycarbonate and polydiorganosiloxane domains dispersed therein; (ii) the polydiorganosiloxane domains have an average size of 5 to 40 nm and a normalized dispersity of not more than 30%; and (iii) the total light transmittance is not less than 88%.

Abstract: Methods of forming blocked-mercapto alkoxy-modified silsesquioxanes are provided. The blocked-mercapto alkoxy-modified silsesquioxane compounds contain an alkoxysilane group that participates in an alkoxysilane-silica reaction as a silica dispersing agent in rubber, with the release of zero to about 0.1% by weight of the rubber as alcohol (a volatile organic compound (VOC)), during compounding and further processing. The blocked-mercapto alkoxy-modified silsesquioxane compounds also contain a blocked mercapto group which, when de-blocked, allows the mercapto group to interact with the polymer(s) in a rubber composition. Further described are rubber compounds containing the blocked-mercapto alkoxy-modified silsesquioxanes.

Abstract: The present invention relates to a production process for an electrode material, an electrode and an electric storage device, and the production process for an electrode material comprises a step of heating a polymer having a silicon-containing unit and a silicon-non-containing unit.

Abstract: To provide a method for producing a polyether having a weight average molecular weight of from 15,000 to 550,000. The method for producing a polyether having a weight average molecular weight of from 15,000 to 550,000, comprises subjecting a cyclic monomer to a ring-opening addition reaction to an initiator having at least one active hydrogen atom per molecule in the presence of a double metal cyanide complex catalyst and an organic solvent, wherein the relative permittivity of the organic solvent is at most 18, and the amount of the organic solvent is from 6 to 300 parts by mass per 100 parts by mass in total of the initiator and the cyclic monomer.

Abstract: Disclosed are novel polyorganosiloxane, a polycarbonate resin composition comprising the same and a modified polycarbonate resin. Disclosed is also a novel polyorganosiloxane derivative which may be utilized in various applications and is used in particular as an impact modifier, a modifier or a comonomer of polycarbonate resin.

Abstract: Prepolymers having more than one alkoxysilyl function per chain end reactive towards epoxide groups as a constituent of curable compositions, and their use for producing adhesive-bonding and coating compositions, which may also be foamable, and also polymeric materials produced therefrom.

Abstract: A process for forming an organic-inorganic hybrid material that can undergo a property change when exposed to an external stimulus, the process comprising providing a prepolymer; and attaching a functional organometal material to the prepolymer, where the functional organometal material comprises a functional moiety that is responsive to an external stimulus such that the organic-inorganic hybrid material exhibits a change in a property of the organic-inorganic hybrid material. The process can further include forming hydrogel particles from the organic-inorganic hybrid material.

Abstract: A copolymer-filled crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule is provided. The copolymer-filled crosslinkable silane-terminated polymer is the reaction product of a copolymer-filled polyol and an isocyanate capped hydrosilylated polymer. The isocyanate capped hydrosilylated polymer is the reaction product of at least one isocyanate and a hydrosilylated polymer. The hydrosilylated polymer is the reaction product of a polymer having at least one unsaturated group and at least one alcoholic group in each molecule and a compound having a hydrogen-silicon bond and a crosslinkable silyl group in each molecule. The copolymer-filled crosslinkable silane-terminated polymers exhibit improved modulus and tensile strength properties while maintaining elongation properties.

Abstract: Preparing a polyurethane with polyurethane-polyether and polyurethane-polyester blocks with at least 2 polyurethane-polyester end blocks joined to an alkoxysilane end group, by reaction of a polyether polyol (A) with a stoichiometric excess of an aliphatic diisocyanate (B), then reaction of the polyurethane formed with a stoichiometric excess of a polyester polyol, then reaction of the polyurethane formed with a stoichiometric amount of an isocyanatosilane (D); polyurethane formed by said method; corresponding adhesive composition, further comprising a crosslinking catalyst method of assembly of 2 substrates employing the composition.

Abstract: Process for producing silica-comprising dispersions comprising a polyetherol or a polyether amine, which comprises the steps of (i) admixing an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and a pH of from 1 to 6 with at least one polyetherol (b1) and/or polyether amine (b2) based on ethylene oxide and/or propylene oxide and having an average OH or amine functionality of from 2 to 6 and a number average molecular weight of from 62 to 6000 g/mol, (ii) distilling off at least part of the water, (iii) admixing the dispersion with at least one compound (S) having at least one at least monoalkoxylated silyl group and at least one alkyl, cycloalkyl or aryl substituent, where this substituent may have groups which are reactive toward an alcohol, an amine or an isocyanate in an amount of from 0.

Abstract: Embodiments of the invention provide for methods of producing a composition comprising a crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule. The method comprises providing a polymer having at least one unsaturated group and at least one alcoholic hydroxyl group in each molecule, adding to the polymer a compound having a hydrogen-silicon bond and a crosslinkable silyl group in each molecule and a hydrosilylation catalyst to thereby carry out a hydrosilylation reaction to form a composition comprising hydrosilylated polyoxyalkylene polymers, reacting the hydrosilylated polyoxyalkylene polymers with at least one isocyanate in the presence of a first tin-free catalyst to form an isocyanate reacted hydrosilylated polymer, and optionally reacting the isocyanate reacted hydrosilylated polymer with a polyol having a nominal functionality of at least 2 to form a polyol reacted crosslinkable silane-terminated polymer.

Abstract: To provide a method of producing a polyoxyalkylene-modified polysiloxane composition that is free of acid-mediated carbon-oxygen bond and silicon-oxygen bond cleavage, that is substantially deodorized and also does not generate odor with elapsed time, and that is therefore well suited for use in cosmetic applications, e.g., for hair cosmetics, skin cosmetics, and so forth. A production method of this invention is characterized by removing the odor-causing substance from a polyoxyalkylene-modified polysiloxane composition that has been synthesized by a hydrosilylation reaction, by subjecting the polyoxyalkylene-modified polysiloxane composition to a hydrolysis treatment in the presence of an acidic inorganic salt that is a solid at 25° C. and gives a specific pH at 25° C. in aqueous solution; for example, potassium hydrogensulfate.

Abstract: The present invention relates to biostable gel comprising: (a) at least one silicon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of: (b) at least one diol, diamine or diisocyanate having a molecular weight of less than 10,000; and/or (c) an initiator, processes for their preparation and their use in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of a soft tissue implant such as breast implants and the repair of orthopaedic joints such as spinal discs.

Abstract: Processes comprising: (a) providing a composition comprising at least one silane-terminated polyurethane preploymer prepared by a process comprising: reacting (A) at least one polyether having a number average molecular weight (Mn) of 2000 to 8000 g/mol, and comprising 10 to 30 wt % ethylene oxide units based on all alkylene oxide units in the polyether; with (B) at least one isocyanate and alkoxysilane group-containing compound of the formula (I): wherein each of X, Y, and Z independently represents a C1-C8 alkyl or a C1-C8 alkoxy residue, with the proviso that at least one of X, Y, and Z represents a C1-C8 alkoxy group; and wherein R is an at least bifunctional, organic residue; (b) foaming the composition, and (c) curing the foamed composition in the presence of water; and uses of polyurethane foams prepared thereby.

Abstract: The invention relates to organomodified additives, emulsifiers, dispersants and/or active nourishing ingredients present in the silicon part of branched siloxane block copolymers, to the use thereof, in particular for producing cosmetic, dermatological or pharmaceutical formulations as well as care and cleansing products, and to the preparations as such. Specifically the invention relates to branched polysiloxanes having trifunctional T units as well as polyether groups, alkyl radicals of more than 7 carbon atoms or multi-hydroxy functional radicals.

Abstract: Photoactive additives are disclosed. Such additives are polymers or oligomers that contain UV-active groups (such as ketone groups) and contain polysiloxane blocks as well. When added to a base polymeric resin and used in molding, this structure promotes migration of the additive to the surface. Crosslinking occurs upon exposure to ultraviolet light.

Abstract: Disclosed herein is a process for the production of a polysiloxane-polyorgano block copolymer. The process includes reacting a reaction mixture containing (a) an ester-functional polydiorganosiloxane and (b) a bisphenolic compound or a bisphenolic compound oligomer. This process has the advantage of yielding block copolymers with controlled block structures and avoiding the impurities that may be carried over from the conventional hydroxyaryloxy-terminated-polydiorganosiloxanes.

Abstract: A polyether preparation method which comprises a polymerization step of subjecting a monoepoxide having at least 2 carbon atoms to ring-opening addition polymerization to an initiator having at least one active hydrogen-containing functional group in the presence of a catalyst in a stirring vessel, to obtain a polyether, wherein the stirring vessel is one wherein a stirring shaft rotatable by an external drive source is provided at the center of the stirring vessel; plate-shaped bottom paddles extending in a radial direction of the stirring vessel are mounted on a lower portion of the stirring shaft; lattice vanes each comprising arm paddles extending in a radial direction and strips extending in an axial direction, are mounted on a portion of the stirring shaft above the bottom paddles; and a discharge nozzle as a monoepoxide-supply means for discharging the monoepoxide to at least two locations below the lower ends of the strips.

Abstract: The present invention is aimed at a series of novel glycerin polyesters that provide desired aesthetics and structure in cosmetic formulation. These glycerin polymers are synthesized by polycondensation polymerization, in the presence of a monofunctional monomer or terminal group. By carefully choosing the groups the properties can be dramatically altered. The mono-functional alcohols, being only able to react in one position, can only be located on the polymer chain ends. This provides very unique polymer structure and morphology. These regiospecific polyesters will have very unique physical properties and have a wide variety of solubilities. Furthermore, by the incorporation of a co-monomer will produce a copolymer with drastically different solubilities and aesthetics.

Abstract: A polymerizable dimethicone copolyol macromer composition is synthesized by reacting itaconic anhydride with a dimethicone copolyol. During the reaction itaconic anhydride spontaneously isomerizes to citraconic anhydride which in turn is esterified by the dimethicone copolyol. The obtained macromers are copolymerizable with olefinically unsaturated monomers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, water repellency, gloss, surface modification, and surfactant properties.

Abstract: One aspect of the present invention provides a polymer having repeating units represented by the formulas (1-1), (1-2) and (1-3) and weight-average molecular weight of from 3,000 to 500,000, as determined by GPC using tetrahydrofuran as a solvent, reduced to polystyrene. Another aspect of the present invention provides an adhesive composition comprising (A) the polymer, (B) a thermosetting resin, and (C) a compound having flux activity. Further, the present invention provides an adhesive sheet having an adhesive layer made of the adhesive composition, a protective material for a semiconductor device, which has the adhesive layer, and a semiconductor device having a cured product obtained from the adhesive composition.

Abstract: Disclosed is a coating composition based on aprotic solvents and comprising at least one hydroxyl-containing compound (A) and at least one compound (B) having isocyanate groups and having at least one silane group of the formula (I) —X—Si—R?xG3-x??(I) with G=identical or different hydrolyzable groups, R?=hydrogen, alkyl or cycloalkyl, X=organic radical, R?=alkyl, cycloalkyl, aryl or aralkyl, x=0 to 2, and characterized in that (i) the compound (B) containing isocyanate groups and silane groups comprises uretdione groups, and (ii) the compound (B) has been prepared from a linear aliphatic diisocyanate. The present invention additionally provides multistage coating methods using these coating compositions, and the use of the coating compositions as clearcoat, and application of the coating method for automotive refinish and/or for the coating of plastics substrates.

Abstract: Disclosed are novel polyorganosiloxane, a polycarbonate resin composition comprising the same and a modified polycarbonate resin. Disclosed is also a novel polyorganosiloxane derivative which may be utilized in various applications and is used in particular as an impact modifier, a modifier or a comonomer of polycarbonate resin.

Abstract: A polycarbonate resin includes a repeating unit in its main chain of the following Chemical Formula 1: wherein the substituents are as defined in the specification.