Abstract: A water soluble functional polyethylene glycol-grafted polysiloxane polymer comprising a polysiloxane backbone and polyethylene glycol side chains is provided having the general formula: wherein A is selected from the group consisting of hydrogen, methyl, methoxy and functional polyethylene glycol based chains, B is a functional group for binding biologically-sensitive materials, D is a functional group for binding to a substrate, m is from 3 to 5, v is from 0 to 5, w is from 4 to 11, x is from 0 to 35 and z is from 1 to 33. In order to be water soluble, the polysiloxane polymer h the following properties: x+y+z is from 8 to 40, n is from 8 to 30, and y is from 7 to 35.

Abstract: An adhesive composition comprising: 100 parts by weight of (A) a phenoxy resin having, per molecule, at least one alkoxy silane residue represented by the following formula (I) wherein R1 may be the same with or different from each other and is a substituted or unsubstituted C1-4 alkyl group, and R2 is a substituted or unsubstituted C1-9 monovalent group comprising a moiety selected from the group consisting of amino, cyanato, glycidoxy and thiol groups; 5 to 200 parts by weight of (B) an epoxy resin; a catalytic amount of (C) catalyst for curing the epoxy resin; and (D) an inorganic filler in an amount of from 33 to 300 parts by weight per total 100 parts by weight of the components (A), (B) and (C).

Abstract: Provided is a room temperature curable organopolysiloxane composition, including (A) 100 parts by mass of a diorganopolysiloxane with both terminals blocked with silanol groups, or a diorganopolysiloxane with each terminal blocked, independently, with a trialkoxysilyl group or a dialkoxyorganosilyl group, or a mixture thereof, (B) 0.1 to 30 parts by mass of a silane compound and/or a partial hydrolysis-condensation product thereof containing an average of at least two hydrolysable groups bonded to silicon atoms within each molecule, and in which the remaining groups bonded to silicon atoms are methyl groups, ethyl groups, propyl groups, vinyl groups, or phenyl groups, and (C) 0.1 to 10 parts by mass of either one, or two or more organosilicon compounds containing amino groups, and also containing four or more hydrolysable groups. Also provided are a sealing material and an adhesive including the above composition.

Abstract: A self-healing coating includes a polymer matrix, a polymerizer, and a set of capsules containing a corresponding activator for the polymerizer. The polymerizer may be present in another set of capsules, or the polymerizer may be phase separated from the polymer matrix. The coating may be prepared by depositing a coating composition on a substrate and solidifying the coating composition, where the coating composition includes the polymerizer, the activator capsules and a matrix precursor. A combination of polymerizer capsules and activator capsules may be part of a kit, which may be used to provide self-healing properties to a coating. The polymerizer and the activator may be wet-curable, and coatings containing the polymerizer and activator may be able to self-heal when in contact with water.

Abstract: Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream or a high level nuclear waste processing plant. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: A coating composition comprising an organopolysiloxane having a triazine-thiol radical is coated onto a film substrate to form a gas barrier layer having improved properties including gas barrier, adhesion, flexibility, flexing resistance, and transparency.

Abstract: A compound represented by Formula (1) and a polymer obtained using the compound: wherein R1 is phenyl which may have substituents, Q1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms, Q2 is a group represented by Formula (2): wherein the code < represents a bonding point with silicon, l, m, n and p are independently 0, 1, 2 or 3, and A1 to A4, Z0 to Z4 and Y1 are defined in the specification.

Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.

Abstract: Compositions and methods for treating hair are disclosed. Such compositions and methods can be used to modify hair properties, such as imparting and/or maintaining a level of softness or a conditioning effect on hair. In general, such compositions can utilize a copolymer having a plurality of polycationic segments, which can be joined by various other polymeric segments such as silicones and/or hydrophilic polymeric segments. The copolymer can be formulated as a highly-branched polymer, which can add substantivity to the hair to impart a conditioning effect. Various details of such copolymers are discussed, as well as methods of utilizing and making such copolymers.

Abstract: Pressure sensitive adhesives and methods, wherein the adhesives include a silicone tackifying resin and a polydiorganosiloxane polyurea copolymer. The tack of these adhesives is improved by the use of a processing aid, such as a plasticizer.

Abstract: A partial block polyimide-polysiloxane copolymer is provided comprising repeat unit structures having structural formulae (1) and (2) wherein X is an aromatic or aliphatic ring-containing tetravalent organic radical, Y1 is a diamine residue, Y2 is a diaminosiloxane residue, Y1 and Y2 are contained in the copolymer in amounts of 99-20 mol % and 1-80 mol %, respectively, L and m each are an integer of 2-50. The copolymer has good adhesion to substrates, moisture-proof reliability and a low modulus of elasticity.

Abstract: A light-emitting device is provided which uses an encapsulant material made from a polymer having a high relative light output. The light-emitting device includes a light-emitting element and a member sealing the light-emitting element. The encapsulant material has one or more than two kinds of units given by the following formula (1) and a refractive index of 1.55 or more. where R is a hydrogen atom, alkyl group or phenyl group, Y is an alkyl group of which the carbon number is 1 to 6 or an alkyloxy group of which the carbon number is 1 to 6 and Z is an aromatic compound that meets predetermined requirements.

Abstract: The present invention concerns ?-silyl terminated polydiorganosiloxanes, a method of making the ?-silyl terminated polydiorganosiloxanes, and sealant compositions containing said compounds and a method of using such sealant compositions.

Abstract: An organopolysiloxane having triazinethiol and alkenyl radicals in a molecule and a primer composition comprising the same are provided. The primer composition assists in establishing a high bond strength between metal and silicone rubber by the mechanism that the triazinethiol moieties form strong chemical bonds with a difficult-to-bond metal such as gold, silver or copper, and the alkenyl moieties are involved in silicone rubber vulcanization.

Abstract: Multicomponent silicone compositions which can be crosslinked via the click reaction and which, after mixing of the individual components, harden to give an elastomeric material contain: at least one compound (A) or (B), at least one compound (B) or (C), and at least one Cu catalyst (D), where (A) is an organic compound or an organosilicon compound which possesses at least two moieties having terminal aliphatic carbon-carbon triple bonds having terminally bonded hydrogen; (B) is an organic compound or an organosilicon compound which possesses at least two moieties having terminal aliphatic carbon-carbon triple bonds having terminally bonded hydrogen and simultaneously at least two moieties having carbon-bonded azide groups; (C) is an organic compound or an organosilicon compound which possesses at least two moieties having carbon-bonded azide groups.

Abstract: Substituted aminopolyorganosiloxanes (SH) containing substituted amino groups which are bonded to silicon atoms of the polysiloxane skeleton via alkylene bridges or mono- or oligo-(alkyleneamino)alkylene bridges, in which the amino groups occurring in the aminopolyorganosiloxanes are substituted at least in part with a radical of the formula T—CH2—CHOH—CH2—??(?), in which T signifies the radical of a surfactant monoalcohol polyglycol ether having an emulsifier character, in an average ratio of at least 1.

Abstract: Cyclic silazanes containing an oxamido ester group and methods of making these compounds are described. The compounds can be used, for example, to make oxamido ester-terminated siloxanes, which can be precursors for the preparation of various polymeric materials such as, for example, polydiorganosiloxane polyoxamides.

Abstract: The invention provides a coating composition for rubbers which forms a coating film having excellent adhesion to the rubber surface as well as excellent wear resistance and surface lubricity.

Abstract: To provide an adherence substance which has a low viscosity and good coatability, can be made solvent free, has good adhesion to an adherend and at the same time has excellent removability, can suppress peel electrostatic charge and is excellent in high speed peeling performance.

Abstract: The invention therefore relates to a process for preparation of SiOC-linked, linear (AB)d polydimethylsiloxane-polyoxyalkylene block copolymers of the general formula [(R2SiO)x(CnH2nO)y]d, in which R are monovalent C1-C18, preferably C1-C4, hydrocarbon radicals, n is a number from 2 to 4, preferably 2 or 3, x ?5, y ?10, d ?3, via reaction of aminosiloxanes having primary amino groups with polyoxyalkylenediols, which comprises concomitant use of one or more tertiary amines as catalyst.

Abstract: Organopolysiloxaneurea polymers with good melt viscosity but which effectively crosslink in the presence of moisture contain alkylalkoxysilane or alkylaminoalkylalkoxysilane groups pendant to the polymer chain. The polymers are useful as non-creeping hot melt adhesives, and for other uses as well.

Abstract: The invention relates to a composition based on alkoxysilane-functional polyurethane prepolymers suitable for a reactive hot-melt adhesive which is stable to storage at a high temperature but cures very rapidly under the action of moisture from the atmosphere or from the materials glued to one another and which is suitable for joining the most diverse materials. The invention also relates to the process for gluing the most diverse substrates using the reactive hot-melt adhesive according to the invention.

Abstract: This invention concerns highly concentrated self-emulsifying preparations containing organopolysiloxanes and alkylammonium compounds and use thereof in aqueous systems on textile substrates. More particularly, this invention concerns preparations consisting of fully or partially quaternized amino-functional organopolysiloxanes, quaternary alkylammonium compounds, if appropriate an organic hydrotrope and if appropriate water.

Abstract: The present invention provides curable hot melt compositions including reactive polymers, which are reinforced by organic polymers to impart higher tensile strength and elongation to the compositions upon cure. In particular, the present invention provides curable hot melt compositions including a silicone urea based polymer and a reinforcement polymer. In some embodiments, the compositions cure upon exposure to moisture and/or radiation. The compositions may be used, for example, as sealants or adhesives.

Abstract: Surface-modified, structurally modified fumed silicas Surface-modified, structurally modified fumed silicas are surface-modified with N-containing silicon compounds. They are used as fillers in resins and adhesives.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers.

Abstract: A material for plating contains a resin layer to be subjected to electroless plating, and the resin layer contains polyimide resin having a specific structure. The material for plating has high adhesiveness with an electroless plating film formed on the surface of the resin layer even if surface roughness of the resin layer is low, and the material for plating also has high solder heat-resistance. Therefore, the material for plating is preferably applicable to manufacture of printed wiring boards etc.

Abstract: Alkoxysilyl-terminated prepolymers in which the alkoxysilyl group is linked to a tertiary nitrogen group through a Cl carbon spacer exhibit excellent moisture curing reactivity and yet are easily prepared. The tertiary nitrogen group-containing ?-aminoalkoxysilyl group is introduced into the prepolymer by reacting a tertiary nitrogen group-containing ?-aminoalkoxysilane with an isocyanate-terminated prepolymer or isocyanate-functional precursor thereof.

Abstract: Provided is a siloxane dispersant having a structure including a head part having an affinity for nanoparticles and a tail part having an affinity for a polydimethylsiloxane (PDMS) resin, and a nanoparticle paste composition comprising the same. The dispersant significantly improves dispersion efficiency of a polydimethylsiloxane resin system which is used in preparation of high-output light sources such as UV LEDs and the like.

Abstract: A silane-terminated polyurethane composition is the reaction product of a silane-terminated polyurethane prepolymer component, a silane-terminated monomeric diisocyanate, and optionally at least one multifunctional trisilane or tetrasilane component. A method for making a composition includes (a) providing a silane-terminated polyurethane prepolymer component, a silane-terminated monomeric diisocyanate component, and optionally at least one multifunctional trisilane or tetrasilane component, and (b) combining the prepolymer component, monomeric component, and optional multifunctional silane component to form a silane-terminated polyurethane reaction product with a tensile strength of about 4 MPa or greater and an elongation of about 200% or greater.

Abstract: Emulsions of highly viscous organopolysiloxanes are prepared by reacting organopolysiloxanes having at least one Si—OH group with alkoxysilanes bearing a group BReSi(OR3)3-e wherein R is a hydrocarbon radical and B is a radical —CR22—Y where Y is halogen, monosubstituted O or S or substituted N or P, the reaction taking place as a dispersion in water, optionally in the presence of an emulsifier.

Abstract: Matrix controlled diffusion drug delivery systems based on one or more silicon-containing monomers of the general formula: wherein L, X?, n, R1, R2, R3, R4, R5, R6, R7 and V are as set forth herein.

Abstract: Disclosed is an aromatic polymer containing one or more repeating units represented by the following formula (1). (In the formula, Ar1 represents an arylene group having a fused ring structure or a divalent heterocyclic compound group having a ?-conjugated system, and contains a group represented by the formula (2) below. This group is bonded to a carbon atom having a sp2 hybrid orbital which is contained in a ring of the ring structure of the arylene group having a fused ring structure or the divalent heterocyclic compound group having a ?-conjugated system represented by Ar1.

Abstract: The present invention relates to a multicomponent automixable putty impression material, its components, mixtures of the components and a method for obtaining impressions with the multicomponent automixable putty impression material.

Abstract: An amino compound having a secondary amino group directly bonded to a phenyl group is modified by silylating the secondary amino group. When the silylated amino compound is compounded in a silicone composition comprising an organopolysiloxane containing at least two lower alkenyl groups, an organohydrogenpolysiloxane, and a platinum base curing catalyst, the composition is improved in flame retardance to the level of UL-94 V-0 without sacrificing the activity of the curing catalyst.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain carboxylic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymeric compositions comprise polymerized carboxylic hydrophilic siloxanyl monomers.

Abstract: Amino alkoxy-modified silsesquioxanes (amino AMS), and/or amino co-AMS compounds that also comprise a mercaptosilane or a blocked mercaptosilane, are excellent adhesives for coating plated or unplated metal wire for adherence of the wire to a rubber stock. The amino AMS and/or the amino/mercaptan co-AMS adhesives can be used with all types of rubber and there is no requirement for the use of special adhesive additives to the rubber vulcanizates, such as, but not limited to, cobalt, resins and high sulfur levels. In particular, the use of amino AMS and/or amino/mercaptan co-AMS compounds as adhesives for bonding wire to rubber also improves the adherence performance of the reinforcements to obtain sufficient bonding that is resistant to degradation over the course of time, especially resistance to thermal aging and/or thermo-oxidizing aging, in particular corrosion in the presence of water.

Abstract: Backfilled, self-assembled monolayers and methods of making the same are disclosed. The self-assembled monolayer comprises at least one functional organosilane species and a substantially random dispersion of at least one backfilling organosilane species among the functional organosilane species, wherein the functional and backfilling organosilane species have been sequentially deposited on a substrate. The method comprises depositing sequentially a first organosilane species followed by a backfilling organosilane species, and employing a relaxation agent before or during deposition of the backfilling organosilane species, wherein the first and backfilling organosilane species are substantially randomly dispersed on a substrate.

Abstract: Storage stable compounds having at least two organopolysiloxane groups and at least one methylol group are useful as coatings on textile, paper, and other substrates, and are post-crosslinkable.

Abstract: The present invention relates to improved nanocomposite compositions and methods for making and using the same. This invention also relates to the use of these inorganic-organic nanocomposite in compositions, for example, coatings, sealants, caulks, adhesives, and as additives for solid polymer-containing compositions.

Abstract: Phosphono-substituted siloxanes suitable as interlayer material in lithographic substrates and for post-treating developed lithographic printing plates, obtainable by reacting (a) a first organosilicon compound of the general formula (I) and (b) a second organosilicon compound of the general formula (II).

Abstract: The present invention provides such a three-dimensional ladder polymer that has, as a main chain, a silsesquioxane skeleton having a structure of the cage structure of octasilsesquioxane with two broken corners. The polymer of the invention is a polymer obtained by using a silsesquioxane derivative represented by formula (1-0). R0 each represents hydrogen, alkyl, cycloalkyl, aryl or arylalkyl, R1 each represents chlorine, a group defined as similar to R0, or a group having —CN, X independently represents hydrogen, chlorine, a group defined as similar to R1, or a group having one of —CH?CH—, —C?C—, —OH, —COOH, —COO—, 2-oxapropane-1,3-dioyl, oxiranyl, oxiranylene, oxetanyl, oxetanylene, 3,4-epoxycyclohexyl, —SH, —NCO, —NH— and —NH2; and at least two of X each is a reactive group.

Abstract: A varnish for forming a liquid crystal alignment layer is prepared by formulating a polymer obtained by using a silsesquioxane derivative represented by the formula (1), and a solvent. In the formula (1), R independently represents an unsubstituted phenyl, cyclopentyl, cyclohexyl, or t-butyl group, and Y1 independently represents a group selected from the following formulae (a-1) to (a-6).

Abstract: This invention relates to aminofunctional silicone resins having high aryl content R2SiO2/2 content and amine content. The aminofunctional silicone resins of this invention are useful in making tough, water, solvent, and heat resistant hybrid materials when used in combination with selected organic materials, particularly epoxy-containing organic materials. The aminofunctional resins of this invention have the ability to flexibilize epoxy compounds while maintaining low CTE and solvent resistance. This invention also relates to emulsion compositions containing the above described aminofunctional silicone resins.

Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Abstract: The invention relates to crosslinkable compositions based on organosilicon compounds and having controllable modulus, to a process for their preparation and to their use, said compositions comprising (a) polymers of the formula XnR3-nSi-A-SiR2—(CH2)3NHY??(I) (b) polymers of the structure X1kR53-kSi-A1-SiX1kR53-k??(II) (c) optionally, silanes of the formula R6mSiX24-m??(III) and/or partial hydrolyzates thereof, and (d) optionally, silanes of the formula R4oSiR7pX34-o-p??(IV) and/or partial hydrolyzates thereof, where X, X1 and X3 are OH or a hydrolyzable group, R, R4, R5, and R7 are hydrocarbyl groups, and A is a divalent linking group.

Abstract: A silane-terminated polyurethane composition is the reaction product of a silane-terminated polyurethane prepolymer component, a silane-terminated monomeric diisocyanate, and optionally at least one multifunctional trisilane or tetrasilane component. A method for making a composition includes (a) providing a silane-terminated polyurethane prepolymer component, a silane-terminated monomeric diisocyanate component, and optionally at least one multifunctional trisilane or tetrasilane component, and (b) combining the prepolymer component, monomeric component, and optional multifunctional silane component to form a silane-terminated polyurethane reaction product with a tensile strength of about 4 MPa or greater and an elongation of about 200% or greater.

Abstract: A film is formed on a substrate including conductive patterns or trenches using a composition that included a solvent and perhydro-polysilazane having a weight average molecular weight of about 1,800 to 3,000 and a molecular weight distribution of more than about 2.2 to about 3.0. The film is changed into a silicon oxide film, and then an opening is formed through the silicon oxide film. A contact is formed in the opening by filling the opening with conductive material. The silicon oxide film of perhydro-polysilazane having low molecular weight becomes dense and uniform.

Abstract: Disclosed are hydroxyl organic oligosiloxane resins prepared by hydrolysis-condensation of organic alkoxysilane and preparation method thereof. More particularly, the present invention provides a method for preparation of novel resins with excellent coating properties, mechanical properties and thermal stability, comprising use of a hydroxyl organic oligosiloxane resin which has a center of inorganic network structure with high condensation degree formed by complete hydrolysis-condensation, and at least one hydroxyl group and organic group or organic functional group around the center.