Abstract: An optical adhesive film prepared from an optical adhesive composition, an optical adhesive composition, and an apparatus, the optical adhesive composition including a urethane (meth)acrylate copolymer, a reactive monomer, and an initiator, wherein the optical adhesive film has a tensile strength of about 1 to about 70 gf/mm2 at a thickness of 500 ?m after curing.

Abstract: A selfbonding enamel containing resins which are capable of crosslinking with one another, comprising (A) 5 to 95 wt % of at least one resin with nucleophilic groups selected from the group consisting of OH, NHR, SH, C(O)NHR, carboxylate, CH-acidic groups and Carbanions, (B) 0 to 70 wt % of at least one amide group-containing resin and (C) 0 to 30 wt % of at least one polyurethane resin, (D) 0 to 30 wt % of at least one epoxy resin, (E) 5 to 95 wt % of at least one organic solvent, wherein the resins of either component (A) and/or, if component (B) is contained in the composition, component (B) contain ?-carboxy-?-oxocycloalkyl carboxylic acid amide groups the coatings of the selfbonding enamel have excellent adhesion to electrically conductive wires high sticking properties and high re-softening temperatures.

Abstract: An object of the present invention is to provide a moisture-curable polyurethane hot-melt resin composition with superior properties such as water resistance, fast-curing properties, and flexibility. The present invention provides a moisture-curable polyurethane hot-melt resin composition containing an isocyanate-containing urethane prepolymer (i) that is a reaction product of polyols (A) including a polyether polyol (A-1), a crystalline polyester polyol (A-2), an amorphous polyester polyol (A-3), and an acrylic polyol (A-4) with a polyisocyanate (B); and a curing catalyst (ii) represented by general formula (1) below, and also provides an adhesive and article produced using the resin composition. The adhesive produced using the moisture-curable polyurethane hot-melt resin composition according to the present invention is suitable not only for the bonding of fibers and the lamination of construction materials, but also for the lamination of optical elements.

Abstract: An object of the present invention is to provide an aqueous coating composition with excellent finished appearance and removability in bell cleaning, and a method for forming a multilayer coating film having excellent smoothness by a 3-coat-1-bake method including successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once.

Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilizing side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.

Abstract: A moisture-curable polyurethane formulation is provided capable of curing to form a reaction product, having high green strength and being dispensable from a caulking gun. The polyurethane formulation comprises at least one isocyanate-terminated prepolymer, at least one rheology modifier or filler, optionally monomeric/polymeric isocyanate, and at least one urea-based thixotropic additive added to the formulation or formed in situ, to provide greater than 1% of urea groups in the reaction product. A method for making a moisture-curable polyurethane formulation capable of curing to form a reaction product and methods of bonding materials together using the formulation are also provided.

Abstract: This invention relates to novel polyol blends, a process for preparing foams with very low resistance to air flow from certain polyol blends and to the resultant foams. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. This process of the invention comprises reacting one or more polyisocyanates, with an isocyanate-reactive component which comprises a specific polyol blend, in the presence of at least one catalyst, at least one surfactant and at least one blowing agent.

Abstract: Use of a ?-phosphorylated nitroxide radical as an inhibitor for resin mixtures and reactive resin mortars, each based on radically curable compounds. The pot life of mortar compounds can be adjusted in a targeted manner with the ?-phosphorylated nitroxide radical for resin mixtures and reactive resin mortars.

Abstract: An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a C1 to C20 aliphatic hydrocarbon group; B is —O—, —S—, a C1 to C20 aliphatic hydrocarbon group, or a single bond; R2 is a C1 to C20 aliphatic hydrocarbon group; and n is an integer from 1 to 5.

Abstract: An optical adhesive film prepared from an optical adhesive composition, an optical adhesive composition, and a display panel, the optical adhesive film having an elongation of about 200 to about 800% and a tensile strength of about 10 gf/mm2 or less, and the optical adhesive composition including a urethane (meth)acrylate copolymer, a reactive monomer, and an initiator.

Abstract: Disclosed is a semi-hardened pressure sensitive adhesive film to be used in the semi-hardened state and having excellent printing step absorption properties. The adhesive film according to the present invention contains a radial polymer composition and a cationic polymer composition, and the radial polymer composition is primarily cross-linked to maintain the semi-hardened state. When applied onto a substrate through a printing step, the present invention has excellent step absorption properties and adhesion properties and excellent durability even under high-temperature and high-humidity conditions.

Abstract: An adhesive for laminated sheets comprising a urethane resin obtainable by mixing an acrylic polyol with an isocyanate compound. The acrylic polyol is obtained by polymerizing a mixture including a first monomer having a hydroxyl group and acrylonitrile. The isocyanate compound includes both an isocyanate compound having no aromatic ring and an isocyanate compound having an aromatic ring. Also cured reaction products of the adhesive and films laminated using the adhesive.

Abstract: This invention relates to hybrid polymer polyols. These hybrid polymer polyols comprise the free-radical polymerization product of (A) a base polyol comprising (1) a polymer modified polyol selected from (a) dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl group containing compound and (b) polyisocyanate polyaddition polyols, and (2) optionally, a polyol having a functionality of 2 to 6 and an OH number of from 20 to 500; (B) optionally, a preformed stabilizer; and (C) one or more ethylenically unsaturated monomers, in the presence of (D) a free-radical polymerization initiator, and (E) optionally, a polymer control agent. The present invention also relates to a process for the preparation of these hybrid polymer polyols, foams prepared from these hybrid polymer polyols and to a process for the preparation of these foams.

Abstract: The present invention provides a curable resin composition including: a composite resin (A) in which a polysiloxane segment (a1), which has a structural unit represented by a general formula (1) and/or a general formula (2) as well as having a silanol group and/or a hydrolyzable silyl group, and a vinyl-based polymer segment (a2) having an alcoholic hydroxyl group are bound to each other through a bond represented by a general formula (3); and a polyisocyanate (B), wherein the content of said polysiloxane segment (a1) is from 10 to 60% by weight with respect to the total solid content of the curable resin composition, and the content of the polyisocyanate (B) is from 5 to 50% by weight with respect to the total solid content of the curable resin composition.

Abstract: A composite material is disclosed for use in a high-voltage device having a high-voltage electrical conductor, the material containing a polymeric matrix and at least one fiber embedded in the polymeric matrix, the fibers having an average diameter of less than about 500 nm.

Abstract: Disclosed is an actinic radiation-curing type ink composition comprising (Component A) a monofunctional radically polymerizable monomer and (Component B) a polyfunctional acrylate oligomer having a glass transition temperature of no greater than 20° C. and having an acrylate equivalent of at least 300 g/eq, Component A comprising (Component A-1) an N-vinyl compound and (Component A-2) an acrylamide derivative, Component A having a content of at least 70 mass % of the entire ink composition, and Component A-1 having a content of at least 18 mass % of the entire ink composition.

Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Abstract: A solvent-free moisture-curing polyurethane hot-melt adhesive composition, in which the adhesive comprises the following components: 20 to 85 wt % of a polyurethane prepolymer with free isocyanate groups produced from at least one polyol from the group of polyether polyols, polyester polyols, polyalkylene polyols and mixtures thereof with an excess of at least one polyisocyanate, the prepolymer having a monomeric diisocyanate content of below 1 wt %, 4 to 40 wt % of at least one acrylate copolymer with a molecular weight of below 60,000 g/mol, 3 to 35 wt % of a thermoplastic polyester with a number-average molecular weight (MN) of below 6000 g/mol, which comprises fewer than 1.4 NCO-reactive groups, and 0 to 25 wt % of at least one additive from the group of catalysts, resins, plasticizers, fillers, pigments, stabilizers or adhesion promoters, the sum of the constituents being equal to 100 wt %.

Abstract: The present invention describes the preparation of an aqueous polyurethane dispersion which is cured by radiation, and its use as binder.

Abstract: The pressure-sensitive adhesive of the invention contains a (meth)acryl-based polymer obtained by polymerization of a monomer component containing 40 to 99.5% by weight of an alkyl (meth)acrylate having a branched alkyl group of 6 to 9 carbon atoms at an ester end and more than 0 to 40% by weight of a cyclic nitrogen-containing monomer having a six or more-membered cyclic nitrogen-containing structure. The pressure-sensitive adhesive of the invention can form a pressure-sensitive adhesive layer having a satisfactory level of adhesion performance and optical properties, a low dielectric constant, and moisture resistance reliability.

Abstract: An adhesive film for polarizing plates includes a cured product of a composition including a (meth)acrylic copolymer and a cross-linking agent, and has a peel strength ratio of about 6 or more, as represented by Equation 1. An adhesive composition for the adhesive film, a polarizing plate including the adhesive film, and an optical display including the adhesive film are also described.

Abstract: A resin composition constituting dielectric resin films of a film capacitor includes a first atom group including at least one functional group selected from among a methylene group, an aromatic ring and an ether group and having a relatively small molar polarizability, and a second atom group including at least one functional group selected from among a hydroxyl group, an amino group and a carbonyl group and having a relatively large molar polarizability. The resin composition satisfies the condition that a value calculated from the formula (sum of absorption band intensities of first atom group)/(sum of absorption band intensities of second atom group) is 1.0 or more. Herein, as absorption band intensities of the functional groups, peak intensities detected in specific wavenumber ranges are employed.

Abstract: It is the aim to indicate a thermoplastic elastomer composition which is characterized by particularly good temperature stability from ?40° C. to +150° C. and a particularly good oil resistance, with particularly good physical properties, in particular with a high elongation at break, and which is suitable for use in moldings, injection moldings, extrudates and/or blow moldings. In addition, the thermoplastic elastomer composition according to the invention comprises a mixture of acrylate rubber and polyurethane.

Abstract: Provided are a pressure-sensitive adhesive composition that is produced with no tin compound, has a sufficiently long pot life, and can be rapidly crosslinked in the process of forming a pressure-sensitive adhesive layer; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet each produced using such a pressure-sensitive adhesive composition. A pressure-sensitive adhesive composition, comprising: 100 parts by weight of an acrylic polymer (A) having an active hydrogen-containing functional group; 0.1 parts by weight to 10 parts by weight of an isocyanate crosslinking agent (B); 0.002 parts by weight to 0.5 parts by weight of a catalyst (C) having an iron active center; and a compound (D) capable of undergoing keto-enol tautomerism, wherein the weight ratio (D/C) of the compound (D) capable of undergoing keto-enol tautomerism to the catalyst (C) having an iron active center is from 3 to 70.

Abstract: This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape.

Abstract: To provide a resin composition for laser engraving that can give a flexographic printing plate precursor for laser engraving that is excellent in terms of engraving residue rinsing properties and scattering inhibition, a flexographic printing plate precursor for laser engraving and a process for producing same employing the resin composition for laser engraving, and a flexographic printing plate and a process for making same. A resin composition for laser engraving, comprising (Component A) a polyurethane resin comprising a carboxy group-containing polymeric polyol compound-derived constituent unit and an isocyanate compound-derived constituent unit, (Component B) an ethylenically unsaturated compound, and (Component C) a polymerization initiator.

Abstract: A hot melt adhesive composition including a) at least one thermoplastic silane grafted poly-?-olefin that is solid at 25° C.; and b) at least one reaction product of a polyisocyanate having an isocyanate-reactive silane, wherein the isocyanate-reactive silane includes exactly one group reactive to an isocyanate group, selected from a hydroxyl group, a mercapto group, and an amino group, and wherein the reaction product includes a molecular weight Mw of less than 1500 g/mol.

Abstract: The present invention relates to a process for the preparation of particularly reactive and low-viscosity reaction products of polyisocyanates which contain activated ethylenically unsaturated groups which react by polymerization under the action of actinic radiation, and the use of these reaction products in coating compositions, and particularly scratch-resistant coatings obtainable therefrom.

Abstract: A method of treating a substrate comprising contacting the substrate with a composition comprising i) an agent which provides a surface effect and ii) a polymer extender composition comprising a urethane based compound, a composition for treating a substrate, and treated substrates thereof.

Abstract: An implantable medical device for electrical stimulation or sensing includes a body supporting at least one flexible elongate conductor element. The body includes an insulating structure that protects the flexible conductor element(s). The insulating structure is realized from multiple polymer layers wherein at least one of the polymer layers is formed from a polymer blend of a thermoplastic polyurethane material and an isobutylene block copolymer. In one particular embodiment, the insulating structure of the body includes at least a first polymer layer, a second polymer layer and a third polymer layer, where the second polymer layer covers and interfaces to the first polymer layer, and the third polymer layer covers and interfaces to the second polymer layer. The first polymer layer is formed from a thermoplastic polyurethane material. The third polymer layer is formed from an isobutylene block copolymer.

Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.

Abstract: The present invention provides high solids, two-component polyurethane compositions comprising, as one component, polyisocyanate compositions having one or more isocyanurate made from bis(isocyanatomethyl)-cyclohexane, as a second component, one or more high solids polyol, and in either component, one or more tertiary amine catalyst. Optionally, the compositions further comprise one or more zinc amine catalyst. The compositions provide coatings, which exhibit an excellent balance of pot life and dry to touch or tack free time, as well as early rain resistance and hardness, while enabling a lower volatile organic content (VOC) of the compositions for comparable performance.

Abstract: The present invention relates to copolymers obtainable by free-radical polymerization of i) 10% to 90% by weight, based on the total weight of components i to iv, of at least one monomer selected from the group consisting of a C8-C30 alkyl (meth)acrylate, C8-C30 vinyl ester, C8-C30 vinyl ether, C8-C30 olefin, and triglyceride of unsaturated C8-C30 carboxylic acids; ii) 0.

Abstract: A precursor formulation of a liner comprising a polymer and at least two curatives. One of the at least two curatives comprises a more reactive curative and the other of the at least two curatives comprises a less reactive curative. The more reactive curative is formulated to crosslink the polymer. A method of lining a rocket motor is also disclosed, as is a rocket motor including the liner.

Abstract: A single-layer diffuser membrane constructed of first and second compounds. The first compound has structural and flexibility properties suitable for applying air to wastewater through a plurality of perforations formed through the membrane and the second compound is suitable for inhibiting fouling of the membrane. The first compound may comprise polyurethane and the second compound may comprise polytetrafluoroethylene. The concentration of the second compound within the membrane may be between about 3.0 vol. % and 20.0 vol. %. The second compound may be dispersed adjacent the perforations to inhibit fouling of the perforations. Another aspect of the present invention relates to the method for constructing the membrane. Upon the mixing of the first and second compounds, the mixed composition may be formed into a membrane through, for example, an extrusion process or a molding process. Perforations may be created either during or after the forming of the membrane.

Abstract: Disclosed herein are particulate core-shell materials, comprising a core comprising a polyurethane; and a shell comprising a polyacrylate, wherein the shell coats the core. Also disclosed are methods of making particulate core-shell materials, and aqueous dispersions and inkjet ink compositions comprising the same.

Abstract: An optical adhesive composition includes a urethane (meth)acrylate resin having at least one hydroxyl group and at least one vinyl group, the urethane (meth)acrylate resin having a curing contraction ratio expressed by Equation 1 of about 0 to about 3%; and an adhesion of about 30 to about 80 kgf: Curing contraction ratio (%)=(A?B)/A×100,??[Equation 1] where A is a specific gravity of the optical adhesive composition before curing, and B is a specific gravity of the solid optical adhesive composition after curing.

Abstract: A high functionality macromer that is the reaction product of (1) a polyisocyanate having an NCO group content of about from about 10% to about 33% having a functionality greater than 2, (2) at least one alcohol with reactive unsaturation, and (3) a hydroxyl group-containing polyether having an OH number of from 9 to 60 and a functionality of from 1 to 6 is used to produce a pre-formed stabilizer that is used to produce a high solids content polymer polyol.

Abstract: A binder composition for a secondary battery, and an anode and a lithium battery that include the binder composition are disclosed. The binder composition may include: first nanoparticles having a glass transition temperature of about 60° C. or greater and an average particle diameter of about 100 nm or less; and a first polymer binder having a glass transition temperature of about 20° C. or less.

Abstract: Provided is a surface protective film including, as an outermost layer, a pressure-sensitive adhesive layer containing a urethane-based pressure-sensitive adhesive as a main component, the surface protective film allowing the contamination of an adherend to be extremely suppressed, and being preferably excellent in wettability and reworkability. The surface protective film of the present invention includes, as an outermost layer, a pressure-sensitive adhesive layer containing, as a main component, a urethane-based pressure-sensitive adhesive containing a polyurethane-based resin; and when a pressure-sensitive adhesive layer side of the surface protective film is attached to a glass plate at 50° C. for 10 days and then the surface protective film is peeled from the glass plate, a residual adhesive strength on the peeled surface side of the glass plate is 3.0 N/19 mm or more.

Abstract: Provided are two part hybrid adhesives that comprise an organoborane amine complex, a polyamine, a component polymerizable by free radical polymerization, and a polyisocyanate component. An isocyanate terminated prepolymer can advantageously be used in the practice of the invention. The adhesive is particularly well suited for low surface energy plastic bonding.

Abstract: A composite material comprises aggregate and an elastomeric composition. The elastomeric composition comprises the reaction product of an isocyanate component and an isocyanate-reactive component. The isocyanate component comprises a polymeric isocyanate, and optionally, an isocyanate-prepolymer. The isocyanate-reactive component comprises a hydrophobic polyol and a chain extender having at least two hydroxyl groups and a molecular weight of from about 62 to about 220. The chain extender is present in the isocyanate-reactive component in an amount of from about 1 to about 20 parts by weight based on 100 parts by weight of the isocyanate-reactive component. The aggregate may be rock, crumb rubber, and/or glass. The composite material has excellent physical properties and may be formed underwater, used in various locations, and used in various applications, such as for pavement, revetments, etc.

Abstract: The present invention provides two-component polyurethane compositions comprising, as one component, polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane or, preferably, a mixture of two or more of these, and of the isocyanurate of hexamethylene diisocyanate (HDI trimer), and, as the other component, a mix of a soft polyol having a hydroxyl functionality of from 2.5 to 5.0 and a molecular weight of from 500 to 3,000, and a hard polyol. Such compositions provide coatings, especially clear topcoats, which exhibit excellent scratch and mar and solvent resistance in addition to a good balance of hardness and flexibility without the need for increasing the volatile organic content (VOC) of the compositions. Also provided are compositions of a polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane with soft polyol which have lower VOCs.

Abstract: Provided are a pressure sensitive adhesive composition, a protective film, an optical film and a display device. The pressure sensitive adhesive composition shows appropriate low-speed and high-speed peel strengths after formation of a cross-linked structure, and has a superior balance between the two. Accordingly, when the pressure sensitive adhesive composition is applied to a protective film, for example, a superior protection effect as well as easy peel-off upon high-speed peeling, which is advantageous for a high-speed process, are shown, and in addition, a superior antistatic property may be obtained during the process.

Abstract: A process for the manufacture of a polymer dispersion from a mixture of a first polypropylene polymer having sufficient carboxylic acid and/or carboxylic acid anhydride groups equivalent to an acid value of from 2 to 50 mg KOH/g nv polymer and a second polymer having a molar excess of functional groups capable of reacting with the carboxylic acid and/or carboxylic acid anhydride groups of the polypropylene is provided. Also provided herein are polypropylene dispersions in organic carrier liquid prepared by such method, as well as coating compositions comprising the dispersion and articles coated with the coating composition.

Abstract: The invention relates to a process for preparing a reinforced and reactive thermoplastic composition having a continuous phase which is based on at least one thermoplastic polymer and dispersed in which is a discontinuous phase based on at least one reactive reinforcing agent that may be immiscible with said at least one thermoplastic polymer, and also to a composition obtained by this process.

Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.

Abstract: The present invention provides a triblock copolymer and a viscoelastic biostable foam comprising the same.

Abstract: An adhesive film, an adhesive composition for the same, and a display apparatus including the same. The adhesive film includes a urethane functional group, has a glass transition temperature (Tg) of about 30° C. or less, a loss modulus of about 4×104 dyn/cm2 to about 8×104 dyn/cm2 upon frequency sweep testing under conditions of a strain of 3%, 60° C. and 1 rad/s, and tan ? of about 0.2 to 0.55 upon frequency sweep testing under conditions of a strain of 3%, 60° C. and 1 rad/s.

Abstract: A non-aqueous ink composition for inkjet printing, comprising 5 to 15% by mass of pigment relative to a mass of the non-aqueous ink composition, a pigment dispersant in such an amount that a mass ratio of the pigment dispersant to the pigment ranges from 0.2 to 2.0, and an organic solvent, the pigment dispersant comprising (A) a polyamide having a polyester side chain and/or a copolymer of vinylpyrrolidone and a C10-40 alkene, and (B) an alkyl(alkyl)acrylate copolymer having a C12-25 alkyl group and a nitrogen-containing group in such an amount that a mass ratio of the dispersant (B) to a total of the dispersant (A) and the dispersant (B), (B)/[(A)+(B)], ranges from 0.75 to 0.99. The ink composition has good storage stability and causes no satellite even printed in an environment of a low temperature.