Abstract: The invention relates to a method for producing hydrophilic silicia moulded bodies, in which i) a mixture containing hydrophilic silicic acid is added at a maximum temperature of 55° C. to hydrophobic means and ii) the mixture obtained in step i) is compacted after a maximum storage time of 30 days to form moulded bodies, iii) during steps ii and iii and until the moulded bodies are used, the temperature is at a maximum of 55° C.

Abstract: The subject of the present invention is a process for the production of polysiloxane-polycarbonate block cocondensates, wherein A) at least one polycarbonate is reacted in the melt with B) at least one hydroxyaryl-terminated polysiloxane with use C) of an additive which is selected from at least one from the group consisting of a siloxane containing aromatic substituents (component C1) and a polysiloxane-polycarbonate block cocondensate A) or polysiloxane-polycarbonate block cocondensate, which can also be different from A) (component C2).

Abstract: Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether compounds.

Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.

Abstract: A coating agent composition of the present invention has excellent water repellency and water sliding property, as well as favorable application workability, wear resistance, and storage stability. The coating agent composition is particularly useful in forming a thin coating layer for imparting water repellency, water sliding property, gloss, durability, and antifouling properties to a metal surface, a painted surface, or a resin surface of automotive bodies and railroad vehicles, and other similar objects. Specifically, the coating agent composition contained the following (A) to (D): (A) 100 parts by mass of a hydrolyzable silicone resin; (B) 0.1 to 50 parts by mass of a curing catalyst; (C) 100 to 5000 parts by mass of an organic solvent; and (D) 10 to 150 parts by mass of dimethylpolysiloxane having one or more alkoxysilyl groups at both ends of the molecular chain and having a viscosity at 25° C. within a particular range.

Abstract: Siloxane-based gel compositions are prepared from room temperature condensation curable mixtures that include 0.5-45% by weight silicone resin with at least two hydroxyl groups, 99.5-55% by weight of at least one silanol-terminated siloxane fluid, and a co-curable compound with an amino group. The siloxane-based gel compositions can be used as adhesives or sealants in medical articles.

Abstract: Provided is a silicone composition having high curability even under low-temperature treatment conditions, and exceptional storage stability, the silicone composition being capable of imparting excellent flexibility to fibers as a fiber treatment agent, and also having exceptional washing durability; specifically, a silicone composition containing (A) 70-98 parts by mass of organopolysiloxane having a group represented by formula (1) at the end of the molecule or in a side chain (in the formula, Rx is a C1-8 divalent hydrocarbon group, a is an integer of 0-4, Ry are each independently a hydrogen atom, C1-10 monovalent hydrocarbon group, or acyl group, and at least one group shown by Ry is hydrogen) and (B) 2-30 parts by mass of blocked polyisocyanate having two or more isocyanate groups per molecule, 50% or more of these isocyanate groups being blocked by a thermally dissociable blocking agent.

Abstract: Inorganic-organic polymer nanocomposites are provided. The inorganic-organic polymer nanocomposite includes a polymeric matrix and a plurality of metal nanoparticles embedded within the polymeric matrix. The plurality of metal nanoparticles are configured to provide cooling of the nanocomposite upon exposure to photoradiation.

Abstract: A blocked polyisocyanate-containing curable silicone composition includes an amino group-containing organopolysiloxane, a blocked polyisocyanate and a catalyst which is an organic base compound and/or a metal compound. The composition has a high curability even under low-temperature conditions and, when used as a textile treatment, imparts textile fibers and products with good softness and water absorbency, and also has an excellent durability to washing.

Abstract: A silicone composition comprises: (A) a silicone based antifoam agent and (B) a carboxy functional silicone. Optionally, the silicone composition further comprises at least one of: (C) an emulsifier selected from a silicone polyether emulsifier, an organic emulsifier, or mixtures thereof, or (D) a hydroxy compound selected from a glycol, water, or mixtures thereof. A process for preparing the silicone composition comprises the step of: combining (A), (B), and optionally at least one of (C) or (D).

Abstract: The present invention relates to a method of producing a water repelling surface or imparting hydrophobicity onto a surface comprises applying a polymer-based coating composition. The water repelling surface or the hydrophobic surface imparted by the present method has at least 90° of water contact angle. The water repelling surface or the hydrophobic surface imparted by the present method is preferably on a concrete surface. The present method imparts hydrophobicity onto surfaces that are durable without an additional primer layer between the surfaces and the coating composition.

Abstract: The present invention relates to a flame retardant polymer composition comprising a crosslinkable terpolymer comprising ethylene monomer units, a silane group containing comonomer units and comonomer units comprising a polar group; a metal carbonate filler and a silicone fluid or gum; wherein the content of the comonomer units comprising a polar group is between 2 and 25 wt % of the terpolymer and the content of the silane group containing comonomer units is between 0.2 and 4 wt % of the terpolymer. The present invention is also directed to the process for the production of the polymer composition, to a cable and/or to an electrical device having a layer comprising said polymer composition, and uses thereof.

Abstract: Compositions comprising polyoxymethylene polymers and at least one organopolysiloxane polymer. Adding organopolysiloxane polymers to polyoxymethylene polymers provides compositions that exhibit at least a 50 percent reduction in melt viscosity compared to the melt viscosity of an identical, melted composition lacking the organopolysiloxane polymer, and promote easier molding of the compositions into complex article shapes.

Abstract: [Problem to be Solved] To provide a non-curable coating composition which is used for preventing or reducing the adhesion of various sticky substances to the surfaces of substrates and is stable at elevated temperature, by using modified silicones having functional groups. [Means to Solve the Problem] A non-curable coating composition characterized by containing a carboxy-modified silicone with a carboxy group at a side chain thereof, and an epoxy/oxyalkylene-modified silicone with an epoxy group and an oxyalkylene group at a side chain thereof in a weight ratio ranging from 1:2 to 1:30, and further comprising an oxyalkylene-modified silicone having an HLB of 10 or more with an oxyalkylene group at a side chain thereof.

Abstract: Moisture-curable compositions are provided which comprises a moisture-curable silylated resin, a flexibilizer and at least one curing catalyst. The cured compositions possess enhanced elongation and tear properties, and are highly suitable for applications such as adhesives, sealants, coatings, gaskets, industrial rubber goods, and the like.

Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up at the time of peeling (antistatic properties), is superior in removability, in the ability to prevent an increase in peel strength (adhesive strength) over time among the adhesive properties, as well as in appearance properties (decrease of appearance defects due to dents or the like), and also in less-staining properties on adherends, particularly, in the ability to prevent white staining on adherends in high-humidity environments (the ability to prevent white staining).

Abstract: Crosslinked, melt-shaped articles are manufactured by a process that does not require the use of post-shaping external heat or moisture, the process comprising the steps of: A. Forming a crosslinkable mixture of a 1. Organopolysiloxane containing one or more functional end groups; and 2. Silane-grafted or silane-copolymerized polyolefin; and B. Melt-shaping and partially crosslinking the mixture; and C. Cooling and continuing crosslinking the melt-shaped article. Crosslinking is promoted by the addition of a catalyst to the mixture before or during melt-shaping or to the melt-shaped article.

Abstract: The present application discloses a fouling control cured paint coat comprising a polysiloxane-based binder matrix, said binder matrix having included as a part thereof pendant hydrophilic oligomer/polymer moieties. The application further discloses a marine structure comprising on at least a part of the outer surface thereof an outermost coating of the cured paint coat. Moreover, the application discloses the use of a polysiloxane component modified with pendant hydrophilic oligomer/polymer moieties for improving the antifouling properties of a polysiloxane based coating composition.

Abstract: A process for producing a pigment-containing curable resin solution composition which comprises a pigment and a modified polysiloxane is disclosed. The process comprises the steps of: (a) preparing a pigment-dispersed liquid, wherein a pigment is dispersed in an organic solvent in the presence of a first modified polysiloxane; and (b) mixing the pigment-dispersed liquid with a resin solution which comprises at least a second modified polysiloxane. This process provides a pigment-containing curable resin solution composition with excellent dispersion stability of pigment.

Abstract: [Object] To provide an anti-soiling agent compound that can sufficiently prevents adhesion of pitch to a dry part region. [Solution] The present invention provides an anti-soiling agent composition is provided with: a low molecular polysiloxane compound represented by the following formula (1); and a high molecular polysiloxane compound represented by the following formula (2), and characterized in that the number of modified groups per low molecular polysiloxane compound is in a range from 0.1 to 3, the number of modified groups per high molecular polysiloxane compound is in a range from 1.

Abstract: The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the enduse thereof.

Abstract: A resin composition for heat-resistant electrical wires is configured of 100 parts by weight of base resin ingredients and 5-20 parts by weight of a phosphorus-based flame retardant, the base resin ingredients comprising 30-55 parts by weight of a polymer having a glass transition temperature or melting point of 180° C. or higher, 15-49 parts by weight of polyolefin, and 21-30 parts by weight of a styrene-based elastomer ingredient, the styrene-based elastomer ingredient having a content of the styrene unit represented by chemical formula (I) of 30% by weight or less.

Abstract: A process for treating a polymer having a hydrolyzable functionality, the method comprising: (i.) providing a polymer having hydrolyzable functionality; and (ii.) introducing a stabilizing agent to the polymer, where the stabilizing agent is defined by the formula (I) where ÷ is a hydrolyzable group that forms an acidic species upon hydrolysis, where R2, R3, and R4 are each independently a halogen atom, a hydrocarbyl group, a hydrocarboxylate group, or a hydrocarbyloxy group.

Abstract: Bi-modal water continuous emulsions are disclosed comprising at least 70 weight percent of: a first dispersed phase containing a hydrophobic oil, wherein the hydrophobic oil is provided as a non-emulsified hydrophobic oil, a second dispersed phase containing a silicone, wherein the silicone is provided from a water continuous silicone emulsion containing at least one surfactant.

Abstract: A product for treating vehicle surfaces, the product comprising: a) a high molecular weight silanol fluid in an amount from about 10 to about 80 weight percent, b) a catalyst in an amount from about 0.1 to about 15 weight percent, and c) at least one solvent. A kit for treating at least one surface of a vehicle, the kit comprising: a) a product comprising: i) a high molecular weight silanol fluid in an amount from about 10 to about 80 weight percent, ii) a catalyst in an amount from about 0.1 to about 15 weight percent, and iii) at least one solvent; and b) instructions for using the product, the instructions being enclosed with or on a container enclosing the kit, wherein the instructions for using the product include a curing step.

Abstract: The present invention provides a positive photosensitive composition containing a specific tetrafunctional silsesquioxane compound (A), a siloxane polymer (B) formed of multiple kinds of alkoxysilane compounds having different numbers of alkoxyl groups, a 1,2-quinone diazide compound (C), and a solvent (D) in order to provide a positive photosensitive composition useful for forming a film on which a pattern is formed, the film being excellent in high thermal resistance, high transparency, crack resistance, adhesiveness with a ground, and the like, and being obtained by performing development with an alkali aqueous solution.

Abstract: A curable perfluoropolyether gel composition is provided. The composition comprises (A) a straight chain fluorine-containing polymer represented by the following formula (1): (B) a polyfluoromonoalkenyl compound containing one alkenyl group per molecule and having a perfluoropolyether structure in its backbone, (C) an organosilicon compound containing at least two hydrogen atoms bonded to the silicon atom per molecule, and (D) a hydrosilylation catalyst. The composition can be produced into a cured product having excellent heat resistance, solvent resistance, chemical resistance, weatherability, releasability, water repellency, oil repellency, and the like as well as an improved acid resistance.

Abstract: A one-component moisture-curing adhesive containing at least one flowable polyoxyalkylene or polyacrylate prepolymer with at least one hydrolyzable silane group, at least one inert additive solid at room temperature selected from hydrocarbon resins, polyesters or polyamides with a softening point of 40 to 150° C., together with auxiliary substances and additives.

Abstract: A method of controlling oil-absorbing properties of a silicone rubber powder characterized by keeping a silicone rubber powder in hot storage at a temperature in the range of 40° C. to 150° C. or in cold storage at a temperature in the range of 0° C. to 10° C.

Abstract: The invention aims to provide a resin composition having favorable stain resistance and storage stability even in the form of a one-pack coating material. Provided is a resin composition for a coating material, including: (I) a synthetic resin emulsion; (II) a silicon compound represented by the formula (1): (R1O)4-aSiR2a??(1) wherein R1s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; R2s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; and a represents an integer from 0 to 2; and/or a partial hydrolysis condensation product thereof and/or a modified product thereof; and (III) a photosensitizer.

Abstract: A method for producing a silicone rubber compound in a reduced blending time and which imparts excellent resistance to plasticity reversion, and the cured silicone rubber prepared without heat treatment has excellent resistance to compression set. The method comprises mixing components: (A) an organopolysiloxane having a polymerization degree of at least 100 represented by the following average compositional formula (I): R1aSiO(4?a)/2 ??(I) wherein R1 is independently a substituted or unsubstituted monovalent hydrocarbon group, and a is 1.95 to 2.05; (B) a reinforcing silica having a specific surface area as measured by BET absorption method of at least 50 m2/g, (C) an alkoxysilane represented by the following formula (II): R2mSi(OR3)4?m ??(II) wherein R2 is independently hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group, R3 is independently a substituted or unsubstituted alkyl group, and m is 0, 1, 2, or 3, and (D) water, and the heat treatment.

Abstract: A titanium dioxide dispersion liquid in which the transmittance is 80% or more is manufactured by dispersing titanium dioxide fine particles having an average primary particle diameter of 1 nm or more and 30 nm or lower in a solution containing diglyme which is a solvent and trimethoxypropylsilane which is a dispersant. By doping titanium dioxide fine particles with nitrogen atoms, and then dispersing the same by an atomization device using beads having an average particle diameter of 15 ?m or more and 30 ?m or lower, a titanium dioxide dispersion liquid capable of maintaining transparency stability over a long period of time is manufactured.

Abstract: A moisture curable acrylic formulation is provided inclusive of a majority by weight polyacrylic prepolymer. The prepolymer has an average molecular weight of between 3,000 and 6,000 grams per mole and between 2 and 4 moisture curable functional moieties of isocyanate or silane per prepolymer. A thermoplastic adhesive resin is also included within the formulation. When the prepolymer functional moieties are all silane, the thermoplastic adhesive resin is ethylene vinyl acetate resin. A silane molecule is provided within the formulation as an adhesion promoter and also affords a degree of storage stability through sacrificial reaction with water during storage. The resultant formulation achieves a shear strength of at least 10 pounds per square inch when applied to a thickness of 0.75 millimeters between a glass substrate and a vinyl article 15 minutes after application at 120° Celsius in ambient atmospheric air.

Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin for a prepreg. This epoxy resin composition is improved in tackiness stability during storage, while maintaining mechanical characteristics. The epoxy resin composition for fiber-reinforced composite materials is characterized by containing 25 to 50 parts by weight of an amine curing agent (B) selected from aliphatic polyamines, alicyclic polyamines and aromatic polyamines, and 1 to 20 parts by weight of an organic acid dihydrazide compound (C) having a melting point of not less than 150° C., per 100 parts by weight of an epoxy resin (A).

Abstract: A core-shell particle is formed by a method that includes forming a crosslinked polyorganosiloxane core, reacting a graftlinking agent with the crosslinked polyorganosiloxane core, and polymerizing a poly(alkenyl aromatic) shell around the graftlinking agent-functionalized polyorganosiloxane core. The method produces a core-shell particle with improved adhesion between shell and core. The core-shell particle is useful as an impact modifier in thermoplastic compositions.

Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin composition for use in a self-adhesive prepreg for a face sheet of a honeycomb panel. The epoxy resin composition enables to increase self-adhesiveness of the prepreg, while improving workability and appearance quality of the prepreg. The epoxy resin composition is characterized by containing: an epoxy resin (A) which is in a liquid state at room temperature; a thermoplastic resin (B) which dissolves in the epoxy resin (A) at a temperature not less than 90° C.; thermosetting resin particles (C) which do not completely dissolve in the epoxy resin (A) at a temperature less than 90° C. and has a softening point of not less than 120° C.; and a curing agent (D).

Abstract: The application relates to a reactive ceramic binder suitable for producing ceramic products from ceramic powder, characterized in that the reactive ceramic binder represents hydroxyl compounds which carry reactive silyl groups and can be additionally (poly)siloxane-substituted.

Abstract: Monocomponent water-hardening adhesive/sealant compositions comprising mixtures of at least one silane-functional polyoxyalkylene prepolymer and at least one silane-functional polyolefin are described. These compositions may optionally comprise other nonpolar plasticizers, as well as catalysts, fillers, and adhesives. Such adhesive/sealant compositions exhibit outstanding adhesion to plastic substrates and to painted surfaces, whereby the adhesion is maintained even after storage in wet conditions.

Abstract: The invention provides a composition for improving the water repellency of a substrate, like a construction substrate for example a building component. This composition contains a mixture formed by combining: water, at least one water-repellent silicon-containing compound, which is a silicone resin, an alkoxysilane or a polysiloxane, a siloxane surfactant containing an alkylpoly(ethyleneoxy)siloxane group and an alkyl siloxane group, where the alkyl group contains 1-6 carbon atoms. The composition can be used on previous treated substrates or more generally on substrates which are difficult to wet or penetrate.

Abstract: Curable compositions are disclosed. Also disclosed are optical media comprising said curable compositions when cured and methods of making such optical media.

Abstract: The invention provides a treated powder having improved loose bulk density comprising a silanized inorganic powder treated with a long chain fatty acid or salts thereof, wherein the amount of the long chain fatty acid is about 0.25% to about 2 wt %, based on the total weight of the treated powder.

Abstract: The present invention provides a water- and oil-repellent soil-resistant composition comprising (A) a fluorine-containing polymer having repeating units derived from a monomer comprising a fluorine-containing monomer and (B) a silane compound. The water- and oil-repellent soil-resistant composition comprising the fluorine-containing acrylate polymer can impart the excellent water- and oil-repellency and soil resistance to the porous substrate and is free from an organic solvent.

Abstract: An adhesive composition is provided comprising (A) a fluorinated amide compound containing at least two vinyl groups and having a polyfluoro structure, (B) a fluorinated organosilicon compound containing a fluorinated organic group, at least two SiH groups, and an alkyl, aryl or aralkyl group, and (C) a platinum catalyst, and (D) an organosiloxane containing a SiH group and an epoxy and/or trialkoxysilyl group. The composition is cured on brief heating into a product which achieves adhesion to various substrates and has solvent resistance, chemical resistance, heat resistance, low-temperature properties, low moisture permeability, electric insulation, and acid resistance.

Abstract: Effective defoaming compositions contains specific polyoxyalkylene-substituted organopolysiloxanes and at least one additive which is a particulate filler or an organopolysiloxane resin.

Abstract: Provided is a silicone rubber composition for extrusion molding, including: (A) 100 parts by mass of an organopolysiloxane represented by an average composition formula (1): R1nSiO(4-n)/2 (in the formula, R1 represents identical or different, unsubstituted or substituted monovalent hydrocarbon groups, and n represents a positive number within a range from 1.95 to 2.04), (B) 0 to 50 parts by mass of a vinyl group-containing silicon compound, (C) 5 to 100 parts by mass of a reinforcing silica, and (D) an effective quantity of a curing agent, in which the vinyl group content relative to the combination of the components (A) through (D) is at least 1.0×10?4 mol/g. The composition yields a cured product for which the elastic modulus increases across a temperature range from 30 to 110° C. and which is therefore capable of reducing the temperature dependency of acrylic optical fibers. The composition is suitable for extrusion molding.

Abstract: The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified trisiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.

Abstract: Hydrophobicizing additives are water-redispersible powders or aqueous dispersions containing: a) water-insoluble, film-forming base polymer(s) based on homopolymers or copolymers of one or more vinyl esters of optionally branched C1-15 alkylcarboxylic, (meth)acrylic esters of C1-15 alcohols, vinylaromatics, olefins, dienes and vinyl halides, b) one or more hydrophobic organosilicon compounds, fatty acids, or derivatives thereof, or hydrocarbon waxes, and c) one or more protective colloids, wherein the proportion of the component b) based on the total weight of the component a) is more than 30% by weight.

Abstract: A coating composition suitable for providing a thermoformable hardcoat is disclosed. The composition contains a silane-containing oligomer (A), a silane (B) having the general formula R3cSiX(4-d) wherein each occurrence of R3 is independently a C1-C8 alkyl, C2-C8 alkenyl or C6-C20 aryl, each occurrence of X is a halogen atom, C1-C6 alkoxy, C1-C6 acyloxy, C1-C6 alkenoxy or hydroxide; d is 0, 1 or 2, a metal oxide (C) and a condensation catalyst (D) wherein components (A), (B) and (C) are hydrolytically condensed in the presence of component (D) to achieve a T3 to T2 ratio of from about 0.3 to about 2.5.

Abstract: The invention relates to an adhesive composition that can be cross-linked by heating, said composition comprising between 20 and 85% of a polyurethane comprising 2 terminal groups of the hydrolysable alkoxysilane type of formula (I): wherein: R1 is a hydrocarbonated radical comprising between 5 and 15 carbon atoms; R2 is an alkylene radical comprising between 1 and 4 carbon atoms; R3 is an alkylene radical comprising between 1 and 3 carbon atoms; R4 and R5 are each an alkyl radical comprising between 1 and 4 carbon atoms; n is a whole number such that the average molar mass of the polyether block of formula —[OR2]n- is between 300 Da and 30 kDa; in is a whole number such that the average molar mass of the polymer of formula (I) is between 600 Da and 60 kDa; and p is a whole number equal to 0, 1 or 2. The composition also comprises between 15 and 80% of a compatible tackifying resin; and between 0.01 and 3% of a cross-linking catalyst.

Abstract: A method of controlling oil-absorbing properties of a silicone rubber powder characterized by keeping a silicone rubber powder in hot storage at a temperature in the range of 40° C. to 150° C. or in cold storage at a temperature in the range of 0° C. to 10° C.