Abstract: A polymer of siloxanes as flexibility monomers and strength monomers is provided. It is also provided a polymer blend that contains a polymer formed of siloxane monomers and strength monomers and another biocompatible polymer. The biocompatible polymer or polymer blend described herein and optionally a bioactive agent can form a coating on an implantable device such as a drug-delivery stent. The implantable device can be used for treating or preventing a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.

Abstract: The present application discloses a fouling control coating composition comprising a polysiloxane-based binder system, 0.01-20% by dry weight of one or more hydrophilic-modified polysiloxanes, and one or more biocides. The hydrophilic-modified polysiloxane may be a poly(oxyalkylene)-modified polysiloxane, e.g. a polysiloxane having grafted thereto poly(oxyalkylene) chains and/or having incorporated in the backbone thereof poly(oxyalkylene) chains. The poly(oxyalkylene) may e.g. be selected from polyoxyethylene, polyoxypropylene and poly(oxyethylene-co-oxypropylene) (polyethylene glycols/polypropylene glycols). The application further discloses a marine structure comprising on at least a part of the outer surface thereof an outermost coating prepared from the coating composition.

Abstract: The present invention relates to a polymers and hydrogels comprising a sulfonic acid component formed from reactive components comprising (i) at least one hydrophobic monomer and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a salt formed by a non-polymerizable, hydrophilic base and a polymerizable sulfonic acid. One or more embodiments provide that the at least one hydrophobic monomer comprises a silicone component.

Abstract: An object of the present invention is to provide an electronic device insulating layer which may improve characteristics of an electronic device. The means for solving the object is an electronic device insulating layer comprising a first insulating layer formed from a first insulating layer material and a second insulating layer formed on the first insulating layer from a second insulating layer material, the first insulating layer material being an insulating layer material comprising a photosensitive resin material (A), a tungsten (V) alkoxide (B) and a basic compound (C), the second insulating layer material being an insulating layer material comprising a polymer compound (D) which contains a repeating unit containing a cyclic ether structure and a repeating unit having an organic group capable of producing a phenolic hydroxyl group by the action of an acid.

Abstract: A thin layer of a silicon-carbon-containing film is deposited on a substrate by generating hydrogen radicals from hydrogen gas supplied to a radicals generation chamber, supplying the hydrogen radicals to a substrate processing chamber separate from the substrate processing chamber via a multiport gas distributor, and reacting the hydrogen radicals therein with an organosilicon reactant introduced into the substrate processing chamber concurrently. The hydrogen radicals are allowed to relax into a ground state in a radicals relaxation zone within the substrate processing chamber before reacting with the organosilicon reactant.

Abstract: An organic electroluminescent (EL) display device and a method of manufacturing the same are provided. The organic electroluminescent display device includes a rear substrate, a organic EL portion formed on one surface of the rear substrate with a first electrode, an organic layer and a second electrode sequentially laminated. The front substrate is coupled to the rear substrate to seal an internal space in which the organic EL portion is accommodated, for isolating the organic EL portion from the outside. The front substrate further has a transparent moisture-absorbing layer coated on its internal surface.

Abstract: Copolymers containing at least one perfluoropolyether segment and multiple aminooxalylamino groups are described. Methods of making the copolymers are also described. The copolymers can be prepared by reacting an oxalylamino-containing compound and an amine compound having at least two primary amino groups, at least two secondary amino groups, or at least one primary amino group plus at least one secondary amino group.

Abstract: A method of producing cross-linked rubber including a step of reacting a polyether rubber composition at 130 to 200° C., the polyether rubber composition containing 100 parts by weight of epihalohydrin monomer units, 0.1 to 100 parts by weight of a five-membered ring or six-membered ring nitrogen atom-containing aromatic heterocyclic type compound, and 0.1 to 10 parts by weight of at least one cross-linking agent which is selected from sulfur, a sulfur-containing compound, and triazine-based compound.

Abstract: The invention provide a class of water-processable polymerizable prepolymers which comprises (1) siloxane-containing monomeric units derived at least one siloxane containing monomer having one hydrophilic group or chain and/or polysiloxane-containing crosslinking units derived from at least one hydrophilized polysiloxane or chain-extended polysiloxane crosslinker; (2) hydrophilic monomeric units derived from one or more hydrophilic vinylic monomers; and (3) from about 0.05% to about 5% by weight of polymerizable units each having a pendant or terminal, ethylenically-unsaturated group and free of any polysiloxane segment. The prepolymer comprises from about 20% to about 50% by weight of silicone relative to the total weight of the prepolymer and has a high water solubility or dispersibility of at least about 5% by weight in water and suitable for making silicone hydrogel contact lenses.

Abstract: Provided is a polyurethane aqueous dispersion characterized in having practical utility in terms of processing suitability when a formed film is produced by salt coagulation method, and characterized in that a formed film obtained from the same has practical utility in terms of resistance against ethanol water.

Abstract: A polycarbonate-polysiloxane copolymer includes a polysiloxane unit. The polycarbonate-polysiloxane copolymer can have superior melt flowability and ductility while maintaining high transparency and low haze.

Abstract: An adhesive is provided that shows excellent adhesion under high temperature even when any one of a glass and a thermoplastic resin is used as an adherend. An adhesive according to an embodiment is used for an adherend that includes a glass and/or a resin layer including a thermoplastic resin (A), and the adhesive including: a thermoplastic resin (b); a thermosetting monomer (c); and a curing catalyst, wherein: the thermoplastic resin (b) includes an aromatic thermoplastic resin (b1) having a glass transition temperature (Tg) of more than 200° C. and/or an alicyclic thermoplastic resin (b2) having a glass transition temperature (Tg) of more than 200° C.; the thermosetting monomer (c) has compatibility with the thermoplastic resin (b); and a content of the thermosetting monomer (c) is from 5 parts by weight to 50 parts by weight with respect to 100 parts by weight of the thermoplastic resin (b).

Abstract: There is provided a method of synthesizing a segmented copolymer that includes mixing one or more ?,? (alpha, omega) amine or ?,? (alpha, omega) hydroxyl terminated polysiloxane first soft segments having an average molecular weight of between about 2500 grams per mole to about 10,000 grams per mole, and one or more diisocyanate species, together to form a first reaction product; mixing the first reaction product and one or more low molecular weight diol or diamine chain extenders each having an average molecular weight of less than 400 grams per mole, together in a solvent to form a segmented copolymer; and, removing the solvent.

Abstract: A polymeric composition comprising: a reaction product (c) produced by reacting an organic silane compound (a) represented by the formula: R4-n—Si—(OR?)n [wherein R represents an organic group containing an amino group; R? represents a methyl group, an ethyl group or a propyl group; and n represents an integer selected from 1 to 3] with at least one boron compound (b) selected from the group consisting of H3BO3 and B2O3; and a condensation product (d) of a metal alkoxide.

Abstract: Disclosed are polyvalent macromolecules, compositions comprising the macromolecules, and methods of use. The polyvalent macromolecules have a polymer backbone and pendent groups attached to the polymer backbone. Some or all of the pendent groups have optionally a linker, a surface-seeking group capable of binding strongly to a metal surface, and a spectroscopically detectable chromophore detectable.

Abstract: A method for producing a polymer, by continuously supplying and bringing at least a ring-opening polymerizable monomer and a compressive fluid into contact with each other, to thereby allow the ring-opening polymerizable monomer to carry out ring-opening polymerization to continuously generate a polymer.

Abstract: Polyhedral oligomeric silsesquioxanes (POSS) linked ligand of the general formula (I) L[(R1a)n-1(SiO1,5)nR2a]k[(R1b)n-1SiO1,5)nR2b]l[(R1c)n-1SiO1,5)nR2c]m??(I) in which (R1a,b,c)n-1(SiO1,5)n is a polyhedral oligomeric silsesquioxanes (POSS) with n=4, 6, 8, 10, 12, 14, 16 or 18 and R1a, R1b, R1c is each independently selected from the group consisting of same or different branched or linear C1-C20 alkyl chains, cyclo alkyl, C1-C20 alkoxy, aryl, aryloxy, heteroaryl and arylalkyl groups, k, l, m is 0 or 1 provided that k+l+m?1, R2a, R2b, R2c is a spacer that binds the polyhedral oligomeric silsesquioxane (POSS) to the ligand L and ligand L is an uncharged electron donor.

Abstract: A ultra low loss dielectric thermosetting resin composition has at least one cyanate ester component (A) and at least one reactive intermediate component (B) that is capable of copolymerization with said component (A). The invention is a cyanate ester resin of the form: Tn-[W-(Z)f/(H)1?f-W]n?1-[W-(Z)f/(H)1?f-(OCN)f/(R)1?f]n+2, wherein T is a 1,3,5-substituted-triazine moiety (C3N3); W is a linking atom between triazine and either component A or component B; Z is component (A); H is component (B); OCN is a cyanate ester end group; R is a reactive end group of component B; n is an integer greater than or equal to 1; and f is a weight or mole fraction of component A. The composition exhibits excellent dielectric properties and yields a high performance laminate for use in high layer count, multilayer printed circuit board (PCB), prepregs, resin coated copper (RCC), film adhesives, high frequency radomes, radio frequency (RF) laminates and various composites.

Abstract: A novel silicone-acrylic copolymer which comprises a covalently bonded silicone polymer with an acrylic polymer through the —Si—O—Si— linkage is described. The silicone-acrylic copolymer is a reaction product of (a) a silicone polymer, (bi) a mixture of acrylic monomers wherein at least one acrylic monomer comprises a silane (meth)acrylic monomer and/or a siloxane (meth)acrylic macromer with a radical initiator to form an acrylic prepolymer or (bii) an acrylic polymer which comprises a silane or a siloxane functional group; and (c) a scrambling catalyst, wherein the ratio of the silicone polymer (a) and the mixture of acrylic monomers (bi) or polymer (bii) is from 50:1 to 1:50. The silicone-acrylic copolymer is useful as an adhesive, sealant, coating, and the like.

Abstract: A method of manufacturing a composite composition, having: bonding a dispersant to the surfaces of inorganic oxide particles to provide dispersibility in a hydrophobic solvent to the inorganic oxide particles, and then dispersing the inorganic oxide particles in a hydrophobic solvent; substituting the dispersant bonded to the surfaces of the inorganic oxide particles with a surface modifier, which is a polydimethylsiloxane-skeleton polymer having one functional group at one terminal end, in the hydrophobic solvent in which the organic oxide particles are dispersed to bond the functional group of the polydimethylsiloxane-skeleton polymer to the surfaces of the inorganic oxide particles; and conjugating a silicone resin and the inorganic oxide particles obtained in the previous step, wherein the surface thereof is modified by bonding the polydimethylsiloxane-skeleton polymer having one functional group at one terminal end thereof, to obtain a composite composition.

Abstract: A process is disclosed for preparing a resin-linear organosiloxane block copolymer by reacting a linear organosiloxane and an organosiloxane resin to form a resin-linear organosiloxane block copolymer. The resulting resin-linear organosiloxane block copolymer is then crosslinked to increase the average molecular weight of the resin-linear organosiloxane block copolymer. The resin-linear organosiloxanes block copolymers prepared by the disclosed process may provide solid, optically clear compositions which may be considered as “reprocessable.

Abstract: A curable resin formulation based on the modification of cyanate esters with silsesquioxane resins is provided for use in forming a cured composite structure or layer. More specifically, a resin formulation that generally comprises a silsesquioxane resin component having an equivalent weight of aromatic hydroxyl groups that is greater than 500 and less than 2,000 grams per mole of aromatic hydroxyl groups; a cyanate ester component; and optionally a catalyst is described. In this resin formulation, the silsesquioxane resin component is present in an amount greater than 10 wt. % of the total solids content of the resin formulation. The resin composite layer formed therefrom exhibits a glass transition temperature that is greater than or equal to 185° C., wherein this glass transition temperature decreases by less than or equal to 40% upon exposure to water at an elevated temperature for a predetermined amount of time.

Abstract: A radiation-emitting component includes a radiation source; a transparent material disposed in the beam path of the component and including a polymer material and filler particles, wherein the filler particles include an inorganic filler material and a phosphonic acid derivative or phosphoric acid derivative attached to a surface thereof and through which the filler particles are crosslinked with the polymer material.

Abstract: Disclosed herein are treated fumed silica particles comprising a modified polydialkylsiloxane on the surface thereof, a method for preparing treated fumed silica particles, and a rheological system comprising a polar liquid and treated fumed silica particles. Also disclosed are toner compositions comprising toner particles and treated fumed silica particles comprising a modified polydialkylsiloxane.

Abstract: The present invention is a polycarbonate-polyorganosiloxane copolymer (A-1) comprising a polycarbonate block composed of a specific structural unit and a polyorganosiloxane block composed of a specific structural unit, wherein (1) the content of the polyorganosiloxane block portion is 1 to 30% by mass, (2) the average number of the repeating structural units represented by the general formula (II) is 70 to 1000, (3) the viscosity-average molecular weight of the copolymer is 13000 to 26000, and (4) the content of the phenol residue having an allyl group in the copolymer is 400 ppm by mass or less, the copolymer providing a molded article having excellent thermal stability and excellent color tone after even when the molding is carried out at high temperature; a process for production of the copolymer; and a polycarbonate resin using the polycarbonate-polyorganosiloxane copolymer.

Abstract: Hardener compositions for condensation-crosslinking RTV-2 systems free of organotin compounds contain a catalyst selected from among compounds of titanium, cerium, zirconium, molybdenum, manganese, copper, zinc, bismuth, lithium, strontium, or boron, and at least one aminoalkyl alcohol reinforcing the effectiveness of the catalyst.

Abstract: The invention provides: a cross-linkable therapeutic composition comprising a) a saccharide-siloxane copolymer; b) a crosslinking agent; c) one or more active/inactive ingredients; and d) optionally, a solvent, or solvent mixture, wherein the saccharide-siloxane copolymer has the following formula: R2aR1(3-a)SiO—[(SiR2R1O)m-(SiR12O)n]y-SiR1(3-a)R2a that is further formulaically defined and wherein the saccharide-siloxane copolymer is a reaction product of a functionalized organosiloxane polymer and at least one hydroxy-functional saccharide such that the organosiloxane component is covalently linked via a linking group to the saccharide component; films; and methods related thereto. The composition has therapeutic properties. The invention also provides articles of manufacture including topical and transdermal agent delivery patches comprising the novel film-forming composition and/or films.

Abstract: The present disclosure relates to coupling agents capable of dispersing a high loading of nanoparticles into a polymer matrix to provide a nanocomposite with a combination of desirable optical and mechanical properties of the constituent materials. More particularly, the present disclosure relates to high loading nanocomposites comprising nanoparticles coupled with a polymer matrix. Light-emitting devices incorporating the nanocomposite are also disclosed.

Abstract: The invention illustrates a material for friction components of disc brakes comprising between 1% and 8% by weight of at least one preceramic resin and between 2% and 10% by weight of at least one organic resin. It also illustrates a friction component for a disc brake, a disc brake, and a process for producing such a material.

Abstract: A pattern-forming method in which processibility of a silicon-containing film in etching with a fluorine gas and resistance against etching with an oxygen gas can be together improved in a multilayer resist process to form a finer pattern. Provided is a pattern-forming method that includes the steps of (1) providing a silicon-containing film on the upper face side of a substrate to be processed using a polysiloxane composition; (2) forming a resist pattern on the silicon-containing film; (3) dry-etching the silicon-containing film using the resist pattern as a mask to form a silicon-containing pattern; and (4) dry-etching the substrate to be processed using the silicon-containing pattern as a mask to form a pattern, in which the polysiloxane composition includes (A) a polysiloxane containing a fluorine atom, and (B) a crosslinking accelerator.

Abstract: Linear polydimethylsiloxane-polyether copolymers with amino and/or quaternary ammonium groups, obtainable by the reaction of organopolysiloxanes functionalized with secondary aminoalkyl groups with the reaction products formed from compounds containing epoxy groups and amines, the use thereof and process for preparation thereof.

Abstract: Linear siloxane polymers having low viscosities, precise molecular weights and two distinct polymer termini are provided. Preferred viscosities are greater than 5 cSt and less than 20,000 cSt, and the preferred functionalities at the polymer termini are one hydrogen and one vinyl group, each attached to a silicon atom. Methods for producing such siloxane polymers are also described In the presence of catalysts, such as Pt0 complexes, these siloxanes undergo step-growth polymerization to form elastomers at temperatures below 150° C.

Abstract: A process for preparing resin-linear organosiloxane block copolymers is disclosed. The process involves an initial hydrosilylation reaction to link a linear organosiloxane block with a resin organosiloxane portion to form the resin-linear block copolymer. The resulting resin-linear organosiloxane block copolymer is further crosslinked to provide copolymer compositions that are useful as coatings for various electronics and lighting components.

Abstract: A composition comprising: a first polymer comprising a poly(etherimide-siloxane) copolymer comprising (a) a repeating polyetherimide unit, and (b) a poly(siloxane) block unit, a second polymer different from the first polymer and comprising bromine; and optionally, a third polymer comprising a polycarbonate different from the first polymer and second polymer; wherein polysiloxane block units are present in the composition in an amount of at least 0.3 wt %, and bromine is present in the composition in an amount of at least 7.8 wt %, each based on the sum of the wt % of the first, second, and third polymers; and further wherein an article molded from the composition has an OSU integrated 2 minute heat release test value of less than 65 kW-min/m2 and a peak heat release rate of less than 65 kW/m2, and an E662 smoke test Dmax value of less than 200.

Abstract: Disclosed are thermally conductive composites that include a polymer matrix functionalized with a carbon-containing species covalently coupled with the polymer matrix. Also disclosed are methods that generally include functionalizing a carbon-containing species and incorporating the functionalized carbon-containing species into the polymer, such that the carbon-containing species are covalently bonded to the polymer matrix via a coupling agent.

Abstract: The invention relates to siloxane polymers comprising a central polysiloxane polymer block B with organofunctional radicals bonded terminally or laterally to the polymer block and based on IPDI and UV/Vis chromophores or derivatives, in particular UV chromophores, which are covalently bonded via a hydrophobic or hydrophilic linker group Q1?, Q2?, and compositions comprising these siloxanes. Also disclosed are processes for their preparation and their use.

Abstract: The invention relates to siloxane polymer comprising a central polysiloxane polymer block B with organofunctional radicals, which are terminal or bonded laterally on the polymer block, comprising IPDI and amino acid derivatives which are covalently bonded via a hydrophobic or hydrophilic linker group Q1?, Q2?, and to compositions comprising these siloxanes. Furthermore, processes for their preparation and their use are disclosed.

Abstract: The object of the patent is to provide a modified reaction resin, comprising: a) at least one cyanate tester; b) at least one polyorganosiloxane contained in the reaction resin in finely distributed form. The thus modified reaction resin is stable for storage for long periods in non-cured form and can be cured to form duromers with advantageous mechanical characteristics.

Abstract: The invention provides a cross-linkable composition comprising a saccharide-siloxane copolymer according to a specified structural formula, a crosslinking agent, and, optionally, solvent. Cross-linked polymeric networks, cured coatings, and articles of manufacture formed from the inventive compositions are also provided, as well as processes and methods of manufacturing the inventive cross-linkable compositions and applications thereof.

Abstract: Moisture curable adhesives of high tensile shear strength contain an alkoxysilyl-terminated polymer and an alkoxy-functional silicone resin.

Abstract: A block copolymer (M) suitable for toughening a thermoset resin (R). The block copolymer (M) has at least one block derived from a thermoplastic aromatic polymer (A) which exhibits a glass transition temperature (Tg) of at least about 150° C., and at least one block derived from a low Tg polymer (B) wherein: (i) the low Tg polymer (B) exhibits a Tg in the range of from about ?130° C. to about +40° C.; (ii) the aromatic polymer (A) is soluble in the uncured thermoset resin precursor(s) (P) of the thermoset resin (R), and (i) the low Tg polymer (B) is insoluble in the uncured thermoset resin precursor (P).

Abstract: The present invention provides curable compositions that are substantially free of metal catalysts including both tin and non-tin metal catalysts. The curable compositions employ a catalyst system comprising the combination of a carboxylic acid, an amino-containing adhesion promoter or a mixture of amine-containing adhesion promoters and an amino-containing siloxane. The combination of these materials accelerates the condensation curing of moisture curable silicones/non-silicones even in the absence of a metal-based catalyst.

Abstract: A curable composition comprises the following: (A) a branched polymer having an average unit formula (I?): [(R?)2SiO2/2]a?[(CH2?CH)(R?)2SiO1/2]b?[R?SiO3/2]c?[O1/2Si(R?)2(CH2CH2)(R?)2SiO1/2]e?; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R?, R4 to R7, a? to c?, e? and f to j are as defined in the specification.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: The present invention provides curable compositions comprising non-Sn organo-metal catalysts that accelerate the condensation curing of moisture curable silicones/non-silicones. In particular, the present invention provides Fe(III) and Bi(III) complexes that are particularly suitable as replacements for organotin for sealant and RTV formulations. The Fe(III) and Bi(III) complexes are comparable or superior to organotin such as DBTDL and exhibit certain behavior in the presence of components that allow for tuning or adjusting the cure characteristics of the present compositions and provide good adhesion and storage stability.

Abstract: A solid material can be prepared from a liquid precursor in solvent free conditions.

Abstract: This disclosure relates to a polymer having the formula: wherein x is between 1 and about 100 an y is between about 99 and about 1, and x+Y=about 100. The disclosure also includes the use of the polymer in photovoltaic devices.

Abstract: A high refractive index composition comprising a reaction product of one or more first organic compounds capable of undergoing polymerization and one or more second compounds with high refractive index, and the method of making and using the composition. A composition comprising an organic compound obtained by coupling two reactive groups (a) and (b), wherein a. the reactive group (a) is Y—(CH2)n-M(O—R)3, wherein R is CH3, C2H5, C3H8, C4H10; and Y is —NH2, —COOH, —NCO, or epoxy; and wherein M is selected from the group consisting of Ti, Zr, V, Mg, Al, Mn, Sb, Ba, Ca, Ce, Si, and Sn; and b. the reactive group (b) is selected from the group consisting of carbazole, fluorene, imidazole with one or more functional groups selected from —OH, —NH2, —COOH, —NCO, -epoxy, -vinyl, -acrylic, -acyl, -alkyl, -halide, -amino, -ketone, -allyl, -allylic, -thiol, -isocyanate, and a mixture thereof; and the method of making and using the composition.

Abstract: A transparent resin composition having light guiding properties, alight guide molded article and a surface light source body. The resin composition comprises a polycarbonate (component A) and a polycarbonate-polydiorganosiloxane copolymer (component B) and has light-guiding ability, wherein (i) the component B contains a specific carbonate unit and a specific organosiloxane unit; (ii) the content of a polydiorganosiloxane block is 0.001 to 1.0 wt % based on the total weight of the resin composition; and (iii) the component B has polydiorganosiloxane domains having an average size of 0.5 to 40 nm existent in a polycarbonate matrix.

Abstract: The present invention relates to a method of treating a surface comprising a silicone elastomer having a plurality of Si—H groups by contacting at least one region of the surface with a solution comprising a surface treatment compound, to give a treated surface with Si—OH, Si—OR, or Si—C groups. The present invention relates to a hydrosilylation-curable silicone composition. In some examples, the hydrosilylation-curable silicone composition includes an organohydrogen-polysiloxane having an average of at least forty silicon-bonded hydrogen atoms per molecule, a cross-linking agent having an average of at least two aliphatic unsaturated carbon-carbon bonds per molecule, and a hydrosilylation catalyst, wherein the mole ratio of silicon-bonded hydrogen atoms in the composition to aliphatic unsaturated carbon-carbon bonds in the composition is at least 20:1. The invention also relates to membranes, methods of making membranes, gas permeable supports for membranes, and methods of gas separation using membranes.