Abstract: A layered structure comprising a substrate layer; and a layer of a siloxane polymer on the substrate layer, the layered structure being capable of being bent about a mandrel having a radius of curvature without breaking. The layer of the siloxane polymer has a thickness of 1 to 50 ?m, in particular about 5 to 20 ?m, and it is obtained by depositing on the substrate a composition comprising at least three different silane monomers, including at least one bi-silane; at least one of the silane monomers having an active group capable of achieving cross-linking to adjacent siloxane polymer; at least partially hydrolyzing the silane monomers to form siloxane polymer chains; and cross-linking the siloxane polymer chains so as to achieve a cross-linked siloxane polymer layer on the substrate.

Abstract: A silicone tie coat for bonding thermal insulation material to a substrate useable subsea. The silicone tie coat is the reaction product of a mixture comprising polydiorganosiloxane polymer and an organohydrogensiloxane crosslinker, wherein the reaction is catalyzed by a metallic catalyst. The silicone tie coat has a thickness of at least about 20 ?m.

Abstract: A method for preparing a resin composition, comprising compounding a silicone composition comprising a polyorganosiloxane and a silicone resin soluble in the polyorganosiloxane with a first resin to form a master batch; and compounding the master batch with a second resin. A molded article comprising the resin composition has greatly improved impact strength.

Abstract: A method for manufacturing a coated metal powder includes: preparing a silanol solution in which a silicon-containing substance is dissolved in an alkaline aqueous solution; charging a metal powder into the silanol solution to obtain a dispersion; and forming a coating containing a silicon oxide on a particle surface of the metal powder by adding an acidic aqueous solution to the dispersion.

Abstract: Provided is a spunbond nonwoven fabric that is easy to produce due to excellent spinnability and has uniform and sufficient quality including mechanical properties while the spunbond nonwoven fabric is highly filled with an inorganic substance powder. An inorganic substance powder-blended spunbond nonwoven fabric is composed of a fiber, the fiber including: a thermoplastic resin and an inorganic substance powder in a mass ratio of 50:50 to 10:90, and an ethylene-based polymer wax having a weight average molecular weight of 400 or more and 5,000 or less in an amount of 0.1 part by mass or more and 3.0 parts by mass or less relative to 100 parts by mass of a total amount of the thermoplastic resin and the inorganic substance powder.

Abstract: Provided is a curable siloxane composition with low dielectric constant and low dielectric loss, in which organic alkoxy silane having a silicon-based asymmetric structure and organic alkoxy silane having a silicon-based symmetric structure are included. The curable siloxane composition has low dielectric constant and dielectric loss in a high frequency range, low water absorption, excellent workability, and high copper foil peel strength, and thus physical properties suitable for application to printed circuit boards for high-frequency communication electronic devices may be provided.

Abstract: The invention relates to a cell culture container that inhibits adhesion of cells, a method for manufacturing the same and a method for producing cell aggregates using the same. The cell culture container has a coating film containing a copolymer having a recurring unit which contains a group represented by formula (a) and a recurring unit which contains a group represented by formula (b): wherein Ua1, Ua2, Ub1, Ub2 and Ub3 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, and An? represents an anion selected from the group consisting of a halide ion, an inorganic acid ion, a hydroxide ion and an isothiocyanate ion, on at least a part of a surface of the container, and the volume of the container is 20 ?L or less.

Abstract: A chemically modified precipitated silica characterised by the presence of methyl moieties chemically bound to the silica and a process for its manufacture.

Abstract: Described herein, inter alia, are fluorosilicone polymers and copolymers; compositions comprising fluorosilicone polymers and copolymers; lenses, such as intraocular lenses, comprising fluorosilicone polymers and copolymers; and processes for making the fluorosilicone polymers and copolymers.

Abstract: A composition is provided that includes a graphene dispersion, a silicone microemulsion, a reactive siloxane emulsion, and water as a majority by weight of the composition. A process for imparting a durable shine to a vehicle surface is also provided. The composition is applied to the vehicle surface. The water is allowed to evaporate from the composition to form a coating imparting a durable shine to the vehicle surface. A coating is obtained after evaporation. The coating includes a silicone film formed by the evaporation of water from a silicone microemulsion and the cross-linking of a siloxane from an emulsion. Graphene particles are embedded in the silicone film. The coating has a thickness of between having a thickness of between 5 and 10,000 nanometers and a hardness of between 3 and 7 GPa.

Abstract: A fluoropolyether group-containing compound of formula (1a) or formula (1b): wherein RF1, RF2, R1 and R2 are as defined herein.

Abstract: The polycarbonate copolymer of the present invention comprises: a unit derived from at least one type of primary dihydroxyl compound; and a unit derived from at least two types of secondary dihydroxyl compounds, wherein the polycarbonate copolymer has a pencil hardness of H or greater, when a specimen is measured according to the pencil hardness test (ISO 15184), and a glass transition temperature (Tg) of about 90° C. to about 160° C., measured according to ISO 11357. The polycarbonate copolymer has excellent heat resistance, scratch resistance, moldability, light resistance, weather resistance, transparency, mechanical strength, and the like.

Abstract: A composition is described herein that includes a polysiloxane, a silicon based crosslinker, a reinforcement filler, a vulcanization catalyst, and a repair-enabling filler. Methods of using such a composition are also described.

Abstract: Provided are a composition for forming a silica layer including a silicon-containing polymer and a solvent, wherein when adding 70 g of the composition for forming the silica layer to a 100 ml container, leaving it at 40° C. for 28 days, and taking 1 ml of gas generated from the composition, 1 ml of the gas includes hydrogen gas (H2), silane gas (SiH4), and ammonia gas (NH3), and the hydrogen gas, silane gas, and ammonia gas satisfy Equation 1: [(hydrogen gas amount (ppm))/(silane gas amount (ppm)+ammonia gas amount (ppm))?1.5], a silica layer manufactured therefrom, and an electronic device including the silica layer.

Abstract: The present invention provides a vinyl acetate-silicone copolymer resin obtained by graft polymerization of vinyl acetate (B) onto an organopolysiloxane (A) represented by a specific general formula, wherein a weight ratio of the organopolysiloxane (A) to the vinyl acetate (B) is (A):(B)=10:90 to 95:5, a method for producing the same, and a vinyl acetate-silicone copolymer resin composition. The vinyl acetate-silicone copolymer resin of the present invention has slidability, substrate adhesiveness, and organic solvent solubility, and is suitably used for coating agents for various substrates, adhesive agents, exterior and interior paints for structures and building materials and the like, and cosmetics and the like.

Abstract: Provided is a barrier film which is less likely to undergo deterioration of gas barrier properties even after the Gelbo Flex test. The barrier film according to the present invention includes a barrier coat layer, an inorganic oxide vapor deposition layer, and a substrate layer in this order, the barrier coat layer being a cured film of a barrier coat composition containing: a hydrolyzed product of an alkoxysilane represented by the following General Formula (I): Si(OR1)4 . . . (I), wherein R1 represents an organic functional group; a water-soluble polymer; and a hydrolyzed product of a silane coupling agent represented by the following General Formula (II): R2nSi(OR3)4-n . . . (II), wherein R2 and R3 each independently represent an organic functional group, and n is 2 or 3.

Abstract: A two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties. The two-component curable urethane adhesive contains: a main agent; and a curing agent, the main agent containing at least one of a hydroxy group-containing urethane prepolymer (P1) or a polyol component (A), the hydroxy group-containing urethane prepolymer (P1) being a reaction product between the polyol component (A) and an organic polyisocyanate component (B), the curing agent containing at least one of an isocyanate group-containing urethane prepolymer (P2) or an organic polyisocyanate component (B), the isocyanate group-containing urethane prepolymer (P2) being a reaction product between the polyol component (A) and the organic polyisocyanate component (B), and the two-component curable urethane adhesive satisfies properties (1) to (5) disclosed herein.

Abstract: A healable and recyclable polyimide polymer resin includes a chemical structural unit represented by formula (I), which is defined in the description. The chemical structural unit represented by the formula (I) bonds to at least one condensation-polymerizable monomer, so as to form the healable and recyclable polyimide polymer resin, and the condensation-polymerizable monomer is a diamine monomer or a dianhydride monomer.

Abstract: A curable silicone composition comprises (A) a resinous alkenyl group-containing organopolysiloxane including at least two alkenyl groups per molecule and at least one (SiO4/2) unit, (B) a resinous organohydrogenpolysiloxane including at least two silicon atom-bonded hydrogen atoms per molecule and at least one (SiO4/2) unit, (C) a catalyst for hydrosilylation reaction, and (D) a curing reaction inhibitor. The curable silicone composition exhibits practically effective curability even at low temperatures, has a low shape deformation and shrinkage rate during curing, can be cured in a short period of time, and can form a transparent and high-hardness cured product.

Abstract: The present invention provides an addition-curable self-adhesive silicone rubber composition and a silicone rubber cured product.

Abstract: Provided is a silicone resin-coated silicone elastomer particle that is superior in dispersibility into organic resins, in stress relaxation performance, and the like, and that has low dust scattering when mixing and thus is superior in ease of handling. Also provided is an organic resin additive, an organic resin, a coating composition, or a coating agent composition, and applications such as in cosmetic compositions, including the particle. The silicone resin-coated silicone elastomer particle has a structure wherein at least two silicon atoms in a silicone elastomer particle are cross-linked through a silalkylene group with a carbon number between 4 and 20 where some or all of the surface thereof is coated with a silicone resin structured from siloxane units expressed by SiO4/2.

Abstract: A branched organosilicon compound is provided having the general formula: (R1)3—X—[SiR20]n—SiR2R3. In the formula: each R is independently a substituted or unsubstituted hydrocarbyl group; each R1 is selected from R and —OSi(R4)3, with the proviso that at least one R1 is —OSi(R4)3; each R4 is selected from R, —OSi(R5)3, and —[OSiR2]mOSiR3; each R5 is selected from R, —OSi(R6)3, and —[OSiR2]mOSiR3; each R6 is selected from R and —[OSiR2]mOSiR3; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3; 0?m?100; X is a divalent linking group; 1?n?10; and R3 has the general -D-Op—(CqH2qO)r—R8. In R3, D is a divalent hydrocarbon linking group, subscript p is 0 or 1, subscript q is independently selected from 2 to 4 in each moiety indicated by subscript r, subscript r is from 1 to 500, and R8 is selected from substituted or unsubstituted hydrocarbyl groups and H.

Abstract: A liquid applied, silicone-based air and water barrier coating composition and its use as a silicone-based air and water barrier is provided. The barrier is generally vapour permeable and suitable for the construction industry. The liquid coating composition generally has a shelf-life of at least 15 months. The liquid coating composition comprises: (i) a crosslinked polysiloxane dispersion comprising (c) a surfactant and (d) water; (ii) one or more rheology modifiers in an amount of from 0.25 to 5 wt. % of the composition; and (iii) an acidic pH stable colloidal silica in an amount of from 15 to 30 wt. % of the composition; and optionally (iv) one or more stabilizers.

Abstract: In the present invention, compounding an addition-reaction-curable organopolysiloxane composition with a specific amount of an organopolysiloxane compound that has three or more (meth)acryl groups in the molecule and a weight-average molecular weight of 1,000 or greater yields an organopolysiloxane composition for use in a release paper or release film in which addition reactions can occur using a small amount of platinum family metal catalyst, cured films can be formed having a peeling strength approximating levels encountered in the past, and addition-reaction-prompted curing will proceed even on a base material containing a catalyst-poisoning component.

Abstract: A resin producing method is a method of producing a resin with which an insulating structure formed on an outer peripheral portion of a conductor is impregnated, the method including: a filler mixing step of mixing a nanofiller at a ratio of 15 wt % or more with an epoxy resin to form a mixture; a shear mixing step of causing the mixture to be subjected to shear mixing; a diluent mixing step of mixing a reactive diluent that reduces a viscosity of the epoxy resin, with the mixture after the shear mixing step; and a curing agent mixing step of mixing an acid anhydride curing agent with the mixture after the diluent mixing step.

Abstract: A liquid silicone rubber composition contains metallic silicon particles. The content of the metallic silicon particles is 35% by volume or more and 45% by volume or less. The volume average particle diameter of the metallic silicon particles is 1 ?m or more and 20 ?m or less. The ratio A/B of viscosity A at a shear rate of 0.02/sec to viscosity B at a shear rate of 1/sec of the composition is 2.0 or less.

Abstract: A polymer comprising recurring units derived from organic unsaturated planar ring monomers. The recurring units are stacked, linked to one another by linkers, and are capable of undergoing oxidation and/or reduction, and the polymer is electrically conducting.

Abstract: Curable condensation compounds are useful, obtainable by the reaction of end-equilibrated acetoxy group-bearing siloxanes with at least one alkoxy-functional polysiloxane, in the presence of a catalyst.

Abstract: Compositions contain a poly(alkyl)(meth)acrylate matrix material and at least one additive, where the transparency is influenced to a minimal degree by the addition of the additive.

Abstract: The invention relates to a metallized multilayer sheet material for packaging having a water vapour transmission rate of below 5 g/m2/day at 38° C. RH:90% comprising: a water vapour permeable sheet substrate, and at least two metallized layers, each covered directly by a solvent based polymeric coating layer, wherein the cumulated metallized layers have an optical density of at least 2.5 and/or a thickness of at least 15 nm.

Abstract: A composition is provided that restores and protects substrates to which it is applied including trim and tires on vehicles. The composition forms a high adhesion high cohesion film that protects the underlying substrate from the adverse effects of ultra violet (UV) rays, heat, rain, snow, and other environmental contaminants. A process of applying the same is also provided.

Abstract: Siloxane-based gel adhesives with improved shear holding power are prepared from curable compositions. The curable compositions include a siloxane fluid with a viscosity of at least 1,000,000 centiPoise, a siloxane-(meth)acrylate co-polymer, and siloxane tackifying resin. The curable compositions can contain an initiator or can be cured by e-beam radiation without an initiator. The siloxane-(meth)acrylate copolymer is the reaction product of a reaction mixture of an ethylenically unsaturated siloxane-containing macromer, an alkyl (meth)acrylate monomer; optionally a reinforcing monomer, and an initiator.

Abstract: A process for preparing a waterborne dispersion of a silicone pressure sensitive adhesive base includes the use of a solventless polyorganosiloxane pellet containing a polyorganosilicate resin and a polyorganosiloxane gum. The waterborne dispersion of the silicone pressure sensitive adhesive base can be combined with a free radical initiator, and dried and cured to form a silicone pressure sensitive adhesive.

Abstract: A curable silicone composition is disclosed. The curable silicone composition comprises: (A) a silicone resin consisting essentially of R3SiO1/2 siloxane units and SiO4/2 siloxane units, wherein each R is the same or different, and independently selected from halogen-substituted or unsubstituted monovalent hydrocarbon groups free of aliphatic unsaturated bonds; (B) an organopolysiloxane having at least two alkenyl groups per molecule and free of SiO4/2 siloxane units in the organopolysiloxane; (C) an organosiloxane having at least three silicon atom-bonded hydrogen atoms per molecule; and (D) a hydrosilylation catalyst. The curable silicone composition can be cured to form a cured product having a high tensile strength in addition to a low modulus.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s or less in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, the first region has a thickness of 50 nm or more, and the ratio (d1/d2) of the thickness (d1) of the first region to the thickness (d2) of the second region is 2 or less, the barrier film having excellent barrier properties and optical properties. The barrier film can be used for electronic products sensitive to moisture or the like.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including Si, N, and O, wherein the inorganic layer has a thickness of 600 nm or less, and the film has a water vapor transmission rate of 0.5×10?3 g/m2·day as measured under conditions of a temperature of 38° C. and 100% relative humidity. The barrier film has excellent barrier properties and optical properties and can be used for electronic products sensitive to moisture.

Abstract: The present disclosure relates to a protective coating composition for a hard surface, wherein the composition comprises an organic solvent and a polysiloxane having the general formula (I), wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are independently an alkyl group having from 1 to 8 carbon atoms; Y and Z are independently a divalent linking group selected from the group consisting of urea, urethane, oxygen atom, sulfur atom and alkylene having from 1 to 8 carbon atoms; A, B, L and M are independently a divalent slinking group selected from the group consisting of alkylene having from 1 to 8 carbon atoms, with the proviso that if the combined linking groups formed by -A-Y-L- and -M-Z—B— are independently an alkylene, then the alkylene is independently different from ethylene; n is an integer from 5 to 1500; and m and p are independently an integer from 1 to 3. In another aspect, the present disclosure is directed to a method of reducing contamination from a hard surface.

Abstract: To provide an amorphous silicon forming composition, which has high affinity with a substrate, is excellent in filling properties, and is capable of forming a thick film. [Means for Solution] An amorphous silicon forming composition comprising: (a) a block copolymer comprising a linear and/or cyclic block A having a polysilane skeleton comprising 5 or more silicon and a block B having a polysilazane skeleton comprising 20 or more silicon, wherein at least one silicon in the block A and at least one silicon in the block B are connected by a single bond and/or a crosslinking group comprising silicon, and (b) a solvent.

Abstract: Provided is a barrier film, comprising a base layer and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, and the second region has a thickness of 10% or more relative to the total thickness of the inorganic layer. The barrier film has excellent barrier properties and optical properties and can be used for electronic products which are sensitive to moisture and the like.

Abstract: Inorganic coatings that may be used to coat and protect concrete are disclosed. The protective inorganic coatings include a liquid composition portion comprising water, an alkali metal oxide component and a silicate-containing component. The coatings also include a powder composition portion comprising microspheres, metal oxide powder and optional microfibers. When applied to concrete, the coatings provide chemical and physical protection.

Abstract: The present disclosures are directed to compositions comprising a polymer having branched silicone substituted by at least one alkylcarboxy group in a free or salt form and cross-linked with an alkyl functional cross-linker, which has the benefits of compatibility with hydrophilic ingredients and particulates in personal care components and the resultant personal care applications.

Abstract: Self-healable, omniphobic coatings and related methods are provided. In embodiments, a self-healable, omniphobic coating comprises a matrix of crosslinked, entangled hydrogel polymers, the hydrogel polymers comprising hydroxyl (OH) groups, hydroxyl group precursors, or both, and nanoparticles distributed throughout the matrix; and fluorinated silane molecules covalently bound to the matrix.

Abstract: A hybrid silicone composite for high temperature insulation applications is disclosed. The hybrid silicone composite is formed of a mixture of liquid high consistency silicone rubber and solid high consistency silicone rubber and a thermally decomposable inorganic filler which are compounded together. The compounded material is then injection molded, over molded, compression molded, cast, laminated, extruded, calendered, adhered or dispensed. When the silicone composite is exposed to a high temperature, it forms an inorganic composite and maintains its insulating properties and dimensional stability.

Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.

Abstract: Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

Abstract: The present disclosure discloses an LED filament, comprising a plurality of LED chips; at least two electrodes, each of the at least two electrodes is connected to at least one of the plurality of LED chips; and a light conversion layer comprising a top layer and a base layer, coated on at least two sides of the at least two electrodes, and a portion of the at least two electrodes is exposed by the light conversion layer, where the top layer and the base layer are located at two sides of the plurality of LED chips, respectively, wherein the base layer comprising an organosilicon-modified polyimide, a thermal curing agent and fluorescent powders. The present disclosure further discloses an LED light bulb. The base layer of the present disclosure has superior transmittance, heat resistance and mechanical strength, and is suitable for producing a flexible LED filament.

Abstract: The application relates to a process for producing fibrous material with antimicrobial properties, wherein in the first step coniferous resin acid composition is emulsified into aqueous solution with emulsifier and wetting agent, and in the second step thus formed emulsion is transferred into fibrous material by impregnation. Further, the application relates to an aqueous antimicrobial composition for use as a water-soluble concentrate in the treatment of fibrous materials, and to a fibrous material with antimicrobial properties, and to its use in e.g. fabrics, fur, leather, clothes, canvas, tissues, plastics, webs, accessories, packaging materials, wallpapers, food-related products, household products, footwear, construction materials, insulating materials and medical products.

Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains at least one carbon black having a BET surface area according to DIN-ISO 9277 between 35 and 140 m2/g and an oil absorption number (OAN) according to ISO 4656 between 70 and 140 ml/100 g and a first aluminum trihydrate (ATH_1) and at least a further aluminum trihydrate (ATH_2), wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

Abstract: A photo-curable liquid composition for additive manufacturing of silicon-containing carbide ceramic includes a polymethylvinylsilane (PMVS) resin that has photo-reactivity over a first photo-wavelength absorption range and a photo-initiator additive mixed with the PMVS resin. The photo-initiator additive has photo-reactivity over a second photo-wavelength absorption range that has an overlapping wavelength range with the first photo-wavelength absorption range. The PMVS and the photo-initiator additive are reactive to polymerize upon exposure to radiation having a wavelength in the overlapping wavelength range.

Abstract: A bio-electroceutical device includes: a cell reservoir configured to accommodate a cell cluster comprising an organoid fused with a biomaterial; and a cell controller configured to control, using an electrical signal, a secretion of an active component by the organoid in the cell cluster.