Abstract: The present invention relates to moisture-curable, alkoxysilane-functional polyether urethanes containing

Abstract: Aspartate-functional silicone and the process for its preparation is disclosed. Also disclosed are aromatic polycarbonate that contains the inventive aspartate-functional silicone, a process for its preparation and its use in making molded articles.

Abstract: Disclosed are a coating composition comprising a polymer dispersed in an aqueous medium, the polymer containing (a) a hydrolysate of an organosilane and/or a condensation product thereof and (b) a vinyl polymer containing a silyl group having a silicon atom bound to a hydrolytic group and/or a hydroxyl group, and further comprising (c) an oxazoline derivative as a crosslinking agent and a hardened film obtained therefrom. The above coating composition completes the hardening reaction of a coating film at low temperature for a short period of time, high in hardness immediately after hardening, and having water resistance, weather resistance, organic chemical resistance, acid resistance, alkali resistance, wear resistance and durable adhesion.

Abstract: An anti-reflection film which includes an inorganic anti-reflection layer including a silicon dioxide-based inorganic layer and having a monolayer structure or plural-layer structure, and a stain-resistant layer provided as a surface layer, is provided. The stain-resistant layer is composed of a cured product of a particular fluorine-containing silazane compound. An optical member having the anti-reflection film on a substrate, such as an optical element, is also provided. These have good stain resistance, wipe off cleanability, mar resistance and water and oil repellency, and these properties have good durability.

Abstract: The present invention relates to moisture-curable, alkoxysilane-functional polyether urethanes containing

Abstract: Compositions are provided which contain (a) one or more polysiloxanes comprising at least one reactive functional group; a plurality of particles; and, optionally, one or more curing agents comprising at least one functional group that is reactive with any reactive functional group of polysiloxane (a). Additionally, a process for applying the multi-component composite coatings described above to a substrate and coated substrates are provided. A process for preparing the coating compositions also is provided. The multi-component composite coating compositions of the invention provide highly scratch resistant color-plus-clearcoatings capable of retaining scratch resistance after weathering.

Abstract: The present invention provides a moisture-curing one-pack urethane adhesive composition which has a good adhesive property to a painted steel. The moisture-curing one-pack urethane adhesive composition according to the present invention contains an isocyanate group-terminated urethane prepolymer as a main component, and also contains (1) a silane coupling agent as an adhesive promoter, and (2) (a) 2,2′-dimorpholinodiethyl ether and/or di(2,6-dimethylmorpholinoethyl)ether, and (b)dibutyltin diacetylacetonate, as curing catalysts. The moisture-curing one-pack urethane adhesive composition according to the present invention is particularly suitable for bonding automotive window glasses to automotive bodies.

Abstract: This invention related to silicone elastomer compositions in the form of gels and/or organized structures. The silicone elastomer compositions are produced by reacting a siloxane having a first reactive group with a crosslinker having a second reactive group in a diluent. One reactive group is selected from epoxy-functional groups or chlorohydrin functional groups while the other reactive group is a functional group that reacts with epoxy-functional groups or chlorohydrin functional groups (i.e. amine, hydroxyl). The silicone elastomer compositions of the instant invention are particularly useful in personal care products, textiles, auto care products, and laundry products and for the delivery of active ingredients.

Abstract: A polyisocyanate curing agent comprising an isocyanate group-terminated prepolymer and a silane coupling agent represented by formula (2), OCN—(CH2)x—Si(OR′)3  (2) wherein R is an alkyl group having 1 to 5 carbon atoms and m and n is each an integer of 1 or more; and an adhesive for forming laminates based on the above polyisocyanate curing agent and an active hydrogen-group containing resin.

Abstract: Compositions are provided which contain (a) one or more polysiloxanes comprising at least one reactive functional group; a plurality of particles; and, optionally, one or more curing agents comprising at least one functional group that is reactive with any reactive functional group of polysiloxane (a). Additionally, a process for applying the multi-component composite coatings described above to a substrate and coated substrates are provided. A process for preparing the coating compositions also is provided. The multi-component composite coating compositions of the invention provide highly scratch resistant color-plus-clearcoatings capable of retaining scratch resistance after weathering.

Abstract: Disclosed is a biocompatible membrane comprising a hydrophilic polyurea composition. The hydrophilic polyurea composition comprises the product of a reaction mixture comprising (a) an amino terminated polysiloxane, (b) a hydrophilic polymer selected from the group consisting of a diamino terminated copolymer of polypropylene glycol and polyethylene glycol, polyethylene glycol, polypropylene glycol and diamino polyethylene glycol having an average molecular weight of from about 400 to about 2000, and (c) a diisocyanate selected from the group consisting of hexamethylene-1,6-diisocyanate, dicyclohexylmethane 4,4′-diisocyanate, and isophorone diisocyanate, and constituting about 50 mole % of the reaction mixture. In this mixture, (a) and (b) constitute a polymeric portion of the reaction mixture, and the hydrophilic polyurea composition has a ratio of its diffusion coefficient for oxygen to its diffusion coefficient for glucose of from about 2,000 to about 10,000.

Abstract: It is an object of the invention to provide a clear coating composition, which can give coating films showing good water repellency, in other words a factor giving a care-free and deluxe feeling to car owners, and which are excellent in non-sanding recoatability in recoating dirtied coatings after due repair, as well as a method of forming a coating film and a multilayerd coating film. The invention provides a clear coating composition which comprises (A) 100 parts by mass of the sum of a crosslinkable coating film-forming resin and a crosslinking agent on the solid basis and (B) 0.01 to 2 parts by mass of a ladder silicone copolymer obtainable by copolymerizing (b-1) a (meth)acryloxyalkyl-containing ladder silicone oligomer, (b-2) a crosslinkable functional group-containing ethylenically unsaturated monomer and optionally (b-3) another copolymerizable ethylenically unsaturated monomer.

Abstract: An adhesive composition that bonds at low temperatures is disclosed. The composition is a solution in an organic solvent of a polyimide, an epoxy resin, and a cyanate. The polyimide can be a polyimidesiloxane, made from a dianhydride, an aromatic diamine that does not contain siloxane, and a siloxane diamine. The adhesive composition can be used to make a single layer tape, a coated tape, or a double-sided trilayer tape. The tape can bond an article, such as a chip, to a substrate, such as a circuit board.

Abstract: The present invention relates to polymers of the general formula I: in which M1, M1′, M2 denote a recurring monomer unit from the group: acrylate, methacrylate, 2-chloroacrylate, 2-phenylacrylate; w, w1, w2 are molar fractions of the comonomers with 0<w≦1, 0≦w1<1 and 0≦w2≦0.

Abstract: Synthetic polymers having hydrogen bonding capability and one or more polysiloxane moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at least two different molecules. The backbone of these synthetic polymers is based on modified vinyl polymers, such as polyvinyl alcohol, polyacrylamides and polyacrylic acids.

Abstract: A method of dyeing and treating a substrate using a water-stabilized organosilane. A method of antimicrobially treating a food article. A method of antimicrobially coating a fluid container. A method of antimicrobially coating a latex medical article.

Abstract: Disclosed is an oxazolidine compound represented by the following formula (1).

Abstract: The present invention relates to a material having improved mechanical properties, clarity, processability and/or degradation resistance comprising a polyurethane elastomeric composition which includes a soft segment derived from at least one polysiloxane macrodiol and at least one polyether and/or polycarbonate macrodiol. This material can function as a degradation-resistant material or biomaterial and is particularly useful in the manufacture of medical devices, articles or implants which contact living tissue or bodily fluids. The present invention also provides a polyurethane elastomeric composition which includes a soft segment derived from at least one polysiloxane and at least one polyether and/or polycarbonate macrodiol and processes for its preparation.

Abstract: The invention relates to polyurethane materials, cross-linked by silane polycondensation, containing alkoxylsilane functional polyurethanes, alkaline fillers, phosphorous compounds aminosilanes, organometallic compounds and optionally additional auxiliary agents, to a method for their production and to the use thereof.

Abstract: Coating compositions are provided which include a polysiloxane comprising at least one reactive functional group, at least one material comprising at least one reactive functional group, and at least one boron-containing compound. Also provided are multi-layer composite coatings formed from a basecoat deposited from a pigmented coating composition and a topcoat applied over the basecoat, the topcoat deposited from the aforementioned coating composition. Methods for repairing a multi-layer composite coating and coated substrates are also provided. The compositions of the invention provide highly scratch resistant coatings, particularly highly scratch resistant color-plus-clear coatings, which have excellent intercoat adhesion to subsequently applied coating layers.

Abstract: Textile structures comprise fibers and an organopolysiloxane-polyurea-polyurethane block copolymer (A) of the general formula (1) 1

Abstract: Priming compositions and methods, wherein the compositions include a polydiorganosiloxane polyurea copolymer comprising electron rich groups.

Abstract: Branched polyurethanes which are preparable by reacting

Abstract: A urethane oligomer comprising the reaction product of a composition comprising in admixture a polyisocyanate, a silicone having dimethylsiloxane segments containing two or more of an isocyanate-reactive group, a reactant containing two or more of an isocyanate-reactive group, and one or more acid group or amine group, optionally an organic substance having one or more isocyanate-reactive group, and compound providing counterion for said acid or amine group, wherein said oligomer is dissolved at concentrations higher than 40%, its average degree of polymerization is less than 50 and its weight average molecular weight is less than 20,000.

Abstract: Coating compositions are provided which include a polysiloxane comprising at least one reactive functional group and at least one material comprising at least one reactive functional group. Also provided are multi-layer composite coatings formed from a basecoat deposited from a pigmented coating composition and a topcoat applied over the basecoat, the topcoat deposited from the aforementioned coating composition. A method for improving the scratch resistance of a coated substrate, as well as coated substrates also are provided. The compositions of the invention provide highly scratch resistant coatings, particularly highly scratch resistant color-plus-clearcoatings.

Abstract: Novel coating compositions containing a polymer, a hydrazide and a silane, methods of making and using such compositions and a substrate coated with such coating compositions.

Abstract: A material for contact lenses having excellent flexibility and oxygen permeability are disclosed. The material comprises a copolymer essentially comprising a siloxane macromer of component (A) which has the number-average molecular weight of from about 1,000 to 10,000 and is represented by the general formula (I), a water-insoluble monoolefin monomer of component (B), and a water-soluble monoolefin monomer of component (C).

Abstract: Disclosed herein is a composition comprising: A) a moisture curable polymer selected from the group consisting of silylated polyurethanes, silylated polyethers, and mixtures thereof, and B) a silicone oligomer of the formula: [R3SiO1/2]m[O1/2Si(R)2O1/2]n[SiO3/2R]o[SiO4/2]p  (I) wherein: each R is independently selected from the group consisting of B, R1, —OR2, R3, and R4; B is an organosilyl functional group bridged to the Si atom of the siloxane oligomer backbone by a Si—C bond; each R1 is independently a saturated or aromatic hydrocarbon group of 1 to 16 carbon atoms; each R2 is independently a group as defined for R1 or an acyl group; each R3 is independently a monovalent organic group containing an aliphatic unsaturated hydrocarbon group; each R4 is a monovalent organic group linked to the Si atom of the siloxane oligomer backbone by a Si—C bond that does not include an aliphatic unsaturated hydrocarbon group and that has there

Abstract: Golf equipment, or a portion thereof, with improved abrasion resistance is obtained by applying a coating comprising hard filler particles, a coupling agent and a polymer precursor preferably comprising a plurality of reactive monomers and/or oligomers. Colloidal silica may be used as the filler, silanes of the form Y—(CH2)nSiX3, wherein Y is an organofunctional group providing the bonding with the polymer matrix attached to the central silicon atom via the stable (CH2)n carbon chain and X represents the silicon-functional or alkoxy group that hydrolyzes and subsequently reacts with the active sites on inorganic surfaces. The coating may be hardened by curing with ultraviolet radiation or solvent evaporation and crosslinking.

Abstract: A silicon based catalyst containing the reaction product of a silylamide and a fluoride is used to react isocyanate compounds. The catalyst is prepared in situ or before the reaction of the isocyanate. The catalyst is capable of trimerizing isocyanates.

Abstract: Coating compositions are provided which are formed from components comprising (a) at least one polysiloxane comprising at least one reactive functional group; (b) at least one reactant comprising at least one functional group that is reactive with at least one functional group selected from the at least one reactive functional group of the at least one polysiloxane and at least one functional group of at least one reactant; and (c) a plurality of particles, wherein each component is different, and wherein the at least one reactive functional group of the at least one polysiloxane and the at least one functional group of the at least one reactant are substantially nonreactive with the particles. A multi-component composite coating composition formed from a basecoat and a topcoat deposited from the curable coating composition also is provided.

Abstract: Improved multi-layer composites are provided. The multi-layer composites include at least a first polymeric layer and a second polymeric layer formed over the first polymeric layer thereby forming an interface region there between. At least one of the polymeric layers is formed from a thermosetting composition which contains an adhesion promoter composition. The adhesion promoter composition is formed from (1) at least one adhesion promoting component, and (2) at least one surface active component. The improvement is represented by the presence of the adhesion promoting component (1) at the interface region.

Abstract: A paint composition for automotive weather strips and glass runs which comprises a curable urethane-based emulsion paint having added thereto either at least two silane coupling agents selected from the group consisting of a silane coupling agent having an amino group, a silane coupling agent having an epoxy group, a silane coupling agent having a methacryloxy group and a silane coupling agent having an acryloxy group, or a reaction product obtained by previously mixing said at least two silane coupling agents. Also discloses are processes for producing automotive weather strips.

Abstract: A golf ball comprising a cover and a core, and optionally at least one intermediate layer interposed between the cover and the core, wherein the cover, the intermediate layer or both are formed from a blend comprising a silicon-urea copolymer.

Abstract: The present invention relates to UV-light-absorbing quaternary polysiloxanes that exert a care effect on natural or synthetic fibers, exhibit high substantivity to fibers, and offer protection against damage caused by UV-light. The UV-light-absorbing quaternary compounds can be used in formulations for textile care products and cosmetic, including skin and hair, products.

Abstract: Products of the reaction between I) the reaction product of reactants comprising A) a linking agent of formula I R4(Y)3  (I)  wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups represent an oxygen atom, which is attached to two adjacent carbon atoms in the R4 group to form an epoxy group, and R4 is an alkanetriyl group containing from 3 to 10 carbon atoms; and B) a compound formula II R3(EO)n(PO)m(BO)pX  (II)  wherein R3 is a substituted or unsubstituted, saturated or unsaturated, aliphatic or araliphatic oxy or thio group having from 1 to 36 carbon atoms or a secondary amino group having from 2 to 36 carbon atoms; n is a number of from 0 to 50; m is a number of from 0 to 50; p is a number of from 0 to 50; and X is hydrogen, or X can be a mercapto group or an amino group in place of a terminal —OH group, provided that when X is mercapto or amino; the sum of n, m, and p must be at least 1; and the mole ratio of A:B is from about 0

Abstract: A curable composition comprising (A) a fluorinated amide compound having at least one alkenyl radical, (B) a fluorinated organohydrogensiloxane, (C) a platinum group compound, (D) a first organosiloxane having at least one SiH radical and at least one epoxy and/or trialkoxysilyl radical, and (E) a second organosiloxane having at least one SiH radical, at least one cyclic carboxylic anhydride residue, and at least one monovalent perfluorooxyalkyl or perfluoroalkyl radical cures into a fluorinated elastomer that not only has good solvent resistance, chemical resistance, heat resistance, low-temperature properties, low moisture permeability and electrical properties, but also firmly bonds to a variety of substrates including PPS, polyamide and polyimide resins.

Abstract: Materials for dielectrics and/or buffer layers in microelectronics utilize polymers can be based on bis-o-nitrophenols. The bis-o-nitrophenols carry a tert-butoxycarbonyl group on at least one of the hydroxyl groups. The polybenzoxazoles prepared from these compounds have a lower dielectric constant than corresponding polymers which are prepared from bis-o-nitrophenols that do not have a tert-butoxycarbonyl group.

Abstract: A nonsagging and extrudable room temperature curable silicone rubber composition with excellent adherence to a variety of substrates comprising (A) diorganopolysiloxane having silicon-bonded alkoxy in molecular chain terminal position, (B) surface-hydrophobicized dry method silica, (C) non-surface-hydrophobicized dry method silica, (D) alkoxysilane, (E) an organotitanium compound, and (F) light stabilizer and/or UV absorber.

Abstract: Disclosed are silicone polymer based compounds, which include a hydrophobic silicone polymer backbone and a hydrophilic component. The hydrophilic component may act as a chelating agent to bind a metal. The hydrophilic component may be hydrophilic prior to binding with a metal or after binding. Also disclosed are methods of making these compounds. The compounds are useful in a variety of applications.

Abstract: A non-aqueous laminate adhesive comprising a tertiary amino group-containing polyurethane resin (A) or a tertiary amino group- and carboxyl group-containing polyurethane resin (B) and a polyisocyanate curing agent. The resin (A) is obtained from (1) an active hydrogen group-containing compound comprising at least a tertiary amino group- and hydroxyl group-containing compound and (3) an organic polyisocyanate; and the resin (B) is obtained from (2) an active hydrogen group-containing compound comprising at least a tertiary amino group- and hydroxyl group-containing compound and a carboxyl group- and hydroxyl group-containing compound and (3) an organic polyisocyanate. The content of the tertiary amino group in the resin (A), the content of the tertiary amino group in the resin (B), and the carboxyl group in the resin (B) are each 0.001 to 1 mmol/g.

Abstract: A heat-resistant adhesive is provided for use in an adhesive member for the fabrication of a semiconductor package by bonding a semiconductor chip to a lead frame with the adhesive member and sealing at least the semiconductor chip and a bonded part between the semiconductor chip and the lead frame with a sealant. The adhesive has a coming-out length of not more than 2 mm and a water absorption rate of not more than 3 wt. %. Preferably, the adhesive has a glass transition point of at least 200° C.

Abstract: Provided are functionalized silicon compounds and methods for their synthesis and use. The functionalized silicon compounds include at least one activated silicon group and at least one derivatizable functional group. Exemplary derivatizable functional groups include hydroxyl, amino, carboxyl and thio, as well as modified forms thereof, such as activated or protected forms. The functionalized silicon compounds may be covalently attached to surfaces to form functionalized surfaces which may be used in a wide range of different applications. In one embodiment, the silicon compounds are attached to the surface of a substrate comprising silica, such as a glass substrate, to provide a functionalized surface on the substrate, to which molecules, including polypeptides and nucleic acids, may be attached.

Abstract: A stain-proofing agent comprising a compound represented by the formula (1): and non-aqueous composition for paints comprising the stain-proofing agent, resin, curing agent and/or curing catalyst and being capable of forming a coating film remarkably excellent in stain-proofing property.

Abstract: The invention concerns a synthesis method for an oligosilazane-containing condensation product comprising the following step: conversion of oligosilazane composition with an average molecular weight of no more than 1000 g/mol, with a dialk(en)ylamino compound of the following formula (I) A[N(R4)2]m  (I) in which A is at least one element chosen from B, Al, Ti, Zr, and Hf, R4 is an alkyl group or alkenyl group and m is the valence of element A, in which the reaction is run so that an average of 1.6-2.

Abstract: This invention relates to polyurethane prepolymers which comprise alkoxysilane terminal groups and which are based on special, very high molecular weight polyurethane prepolymers, to a method of producing them and to their use as binders for low-modulus sealing materials.

Abstract: The specification describes and claims room temperature vulcanisable compositions formed by mixing components comprising a polysiloxane having hydroxyl or hydrolysable groups, a crosslinker having silicon bonded hydrolysable groups selected from the group consisting of alkoxy-, acetoxy- and oximo and a hydroxy terminated urethane prepolymer with no residual isocyanate groups formed from a polyol and an isocyanate. The compositions demonstrate improved adhesion, thixotropy and toolability.

Abstract: Multi-component composite coating compositions are provided which comprise a base coat deposited from a pigmented film-forming composition and a transparent top coat applied over the base coat in which the transparent top coat is deposited from a film-forming composition comprising one ore more ungelled chain-extended organic polysiloxanes having reactive functional groups, and one or more curing agents having functional groups reactive with the functional groups of the polysiloxane. Additionally provided is a process for applying the multi-component composite coatings described above to a substrate. Substrates coated with the above-described multi-component composite coating compositions are also provided.

Abstract: A compound containing a silane backbone and a group of formula (A) wherein R is hydrogen, C1-C8alkyl, —O, —OH, —CH2CN, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C6alkenyl, C7-C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4alkyl; or C1-C8acyl; is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.

Abstract: The object of the present invention is to provide a method capable of producing polyimide resins having excellent heat resistance, which can utilize inexpensive monomers and does not use solvents. The method comprises mixing, in the absence of a solvent, a diamine and at least one tetracarboxylic acid component selected from the group consisting of a tetracarboxylic acid, a tetracarboxylic acid monoanhydride and a tetracarboxylic acid dianhydride capable of forming two imide rings upon cyclization, and then heat-treating the mixture.