Abstract: A method of activating a surface of a plastics substrate formed from: (a) polyaryletherketone such as polyether ether ketone (PEEK) polyether ketone ketone (PEKK), polyether ketone (PEK); polyether ether ketone ketone (PEEKK); or polyether ketone ether ketone ketone (PEKEKK); (b) a polymer containing a phenyl group directly attached to a carbonyl group, for example polybutadiene terephthalate (PBT) optionally wherein the carbonyl group is part of an amide group, such as polyarylamide (PARA); (c) polyphenylene sulfide (PPS); or (d) polyetherimide (PEI); for subsequent bonding, the method comprising the step of exposing the surface to actinic radiation wherein the actinic radiation: includes radiation with wavelength in the range from about 10 nm to about 1000 nm; the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cm2 to about 300 J/cm2.

Abstract: A battery cell includes an electrode assembly; a case comprising an accommodation portion accommodating the electrode assembly and a sealing portion formed on a periphery of the accommodation portion; and a fixing member disposed between the accommodation portion and the sealing portion to adhere each other; wherein the fixing member comprises a core layer, and an adhesive layer is stacked on both surfaces of the core layer.

Abstract: The invention relates to a synergistically active composition which comprises a mixture of a sulfinic acid or a salt thereof and ascorbic acid or a salt thereof and the use of the composition as reducing agent. The reducing power of the composition of the invention is significantly higher than the reducing power of the single components.

Abstract: Debondable adhesive compositions are provided. This disclosure also provides articles of footwear and components for articles of footwear including a debondable adhesive matrix. The debondable adhesive matrix can allow for the bonding and debonding of two substrates in the article of footwear or component thereof. This disclosure also provides methods of making the debondable adhesive compositions and methods of using said compositions for bonding and debonding the substrates, e.g. for bonding and debonding of an upper and an outsole in an article of footwear.

Abstract: A method of activating a surface of a plastics substrate formed from: (a) polyaryletherketone such as polyether ether ketone (PEEK) polyether ketone ketone (PEKK), polyether ketone (PEK); polyether ether ketone ketone (PEEKK); or polyether ketone ether ketone ketone (PEKEKK); (b) a polymer containing a phenyl group directly attached to a carbonyl group, optionally wherein the carbonyl group is part of an amide group, such as polyarylamide (PARA); (c) polyphenylene sulfide (PPS); or (d) polyetherimide (PEI); for subsequent bonding, the method comprising the step of exposing the surface to actinic radiation wherein the actinic radiation: includes radiation with wavelength in the range from about 10 nm to about 1000 nm; the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cm2 to about 300 J/cm2. Hard to bond substrates are then more easily subsequently bonded for example using acrylic, epoxy or anaerobic adhesive.

Abstract: To provide an adhesive suitable to bond a component of an electronic apparatus or an optical apparatus, as well as an electronic apparatus and an optical apparatus in which the adhesive is used. An adhesive according to an embodiment of the present technology includes a flexible adhesive material and a plurality of particles. The adhesive material is flexible. The plurality of particles is dispersed in the adhesive material, the plurality of particles being deformed under a low-rate load and not being deformed under a high-rate load.

Abstract: A binder has at least one isocyanate and at least one biopolymer mixed with water. The biopolymer may be a biopolymer nanoparticle or cooked and chemically modified starch. Optionally, the binder may also include urea. The biopolymer and water are mixed, and the isocyanate is added to the mixture. The binder may have a viscosity that is suitable for being sprayed on a substrate to make a composite material, for example a viscosity of 700 cP or less or 500 cP or less at 40° C. The substrate may be wood, another lignocellulosic material, or synthetic or natural fibers. In particular examples, the binder is used to make no added formaldehyde wood composites including particle board and fiberboard. Alternatively, the binder may have a higher viscosity and be used to make plywood.

Abstract: The present invention relates to a reactive hot melt adhesive composition, a polyurethane prepolymer composition, and cured reaction product thereof having a high mechanical strength and an excellent bonding strength as well as a better reworkability. In particular, the present invention relates to a reactive hot melt adhesive composition comprising: 10% to 24% by weight of a polyisocyanate, 40% to 73% by weight of a first polyol having a number average molecular weight larger than 1,500 g/mol, 1% to 25% by weight of a (meth)acrylate polymer having a number average molecular weight of 20,000 to 80,000 g/mol, and 1% to 15% by weight of a diluent, in which the weight percentages are based on the total weight of all components of the composition.

Abstract: The invention relates to a continuous method for producing an isocyanurate-containing isocyanate mixture, in which in a step a) a mixture of a first and a second isocyanate component and an isocyanate group trimerization catalyst is provided; in a step b) the mixture obtained in step a) is reacted in a first residence time zone at an elevated temperature; in a step c), the reaction mixture obtained in step b) is further heated in a second residence time zone, optionally after adding a stopper; and in a step d), the reaction mixture obtained in step c) is cooled down in a third residence time zone by way of lowering the temperature, thus obtaining the desired isocyanurate-containing isocyanate mixture.

Abstract: The present invention is an adhesive composition that is characterized by including (A) a polymer comprising a structural unit having a hydroxy group in a side chain, (B) a compound having two or more isocyanate groups, (C) a bismuth carboxylate, and (D) a tertiary amine having a pKa of 6 or more. The polymer (A) may include further a structural unit having a urethane bond and a polymerizable unsaturated bond in a side chain.

Abstract: An improved process for forming polyamide dispersions in water utilizing carbon dioxide to facilitate dispersion of the polyamide is disclosed. The polyamides are generally below 30,000 or 40,000 g/mole molecular weight when dispersed, but can be chain extended with polyfunctional species such as polyisocyanates after dispersion. The dispersions are useful in coatings, adhesives, and inks. Composites and hybrids of these other polyamides with vinyl polymers are also disclosed and claimed.

Abstract: A crosslinkable composition is provided including an asymmetric isocyanate, a polyether polyol, and a crosslinker. Polyurethane pressure-sensitive adhesives, articles, and solutions are also provided. The polyurethane pressure-sensitive adhesives have advantageous adhesive properties, low glass transition temperatures, and cohesion following thermal cycling.

Abstract: Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, the polyurethane block copolymers can be used as compatibilizing agents, which can be used, for example, in polymer blends, polymer alloys, solutions, emulsions, as well as in extruded and injection molded articles. In some embodiments, at least a portion of the polyurethane block copolymer is derived from a renewable source.

Abstract: Multi-layer protective sheets of the invention are extensible. They are useful in a range of indoor and outdoor applications in, for example, the transportation, architectural and sporting goods industries. The protective sheets can advantageously be applied to at least a portion of a surface of any article where protection is desired. Methods of the invention include those for forming protective sheets of the invention and applying them to articles.

Abstract: Screening members, screening assemblies, methods for fabricating screening members and assemblies and methods for screening materials are provided for vibratory screening machines that incorporate the use of injection molded materials. Use of injection molded screen elements provide, inter alia, for: varying screening surface configurations; fast and relatively simple screen assembly fabrication; and a combination of outstanding screen assembly mechanical and electrical properties, including toughness, wear and chemical resistance. Embodiments of the present invention use a thermoplastic injection molded material.

Abstract: Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, the polyurethane block copolymers can be used as compatibilizing agents, which can be used, for example, in polymer blends, polymer alloys, solutions, emulsions, as well as in extruded and injection molded articles. In some embodiments, at least a portion of the polyurethane block copolymer is derived from a renewable source.

Abstract: A one-part moisture-curing liquid-applied waterproofing membrane is disclosed as including a polyurethane polymer and two different aldimines as blocked amine hardeners in a specific ratio range. The membrane has a low odor, a long shelf life stability, a low viscosity at low solvent content, a sufficiently long open time to allow hand application and cures fast to a solid elastic material. The liquid-applied waterproofing membrane is particularly suitable for roofing applications, possessing high strength, high elongation and good durability under outdoor weathering conditions in a broad temperature range.

Abstract: A curable resin composition which can achieve a cured product in which the generation of cracks upon curing is suppressed and which has both a low thermal expansion rate and a low water absorbability is provided. The curable resin composition comprises: at least a cyanate ester compound (A) represented by the following formula (I); a metal complex catalyst (B); and an additive (C), wherein the additive (C) contains any one or more selected from the group consisting of a compound represented by the following general formula (II), a compound represented by the following general formula (III), and a tertiary amine.

Abstract: Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, the polyurethane block copolymers can be used as compatibilizing agents, which can be used, for example, in polymer blends, polymer alloys, solutions, emulsions, as well as in extruded and injection molded articles. In some embodiments, at least a portion of the polyurethane block copolymer is derived from a renewable source.

Abstract: The invention relates to a process for the production of a foam composite element, comprising the steps of providing a facing, applying adhesion promoter, and applying a foam layer comprising polyurethane and/or polyisocyanurate to the adhesion promoter, characterized in that the adhesion promoter consists of at least one compound selected from the group consisting of polyether polyol (B.1), polymer polyol (B.2), polyurea dispersion (B.3), polyester polyol (B.4) and PIPA polyol (B.5). The invention relates further to the use of at least one compound selected from the group consisting of polyether polyol, polymer polyol and polyurea dispersion as adhesion promoter in the production of foam composite elements, as well as to foam composite elements produced by the process according to the invention.

Abstract: A transparent thermoplastic resin composition includes (A) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 700 to about 1800 ?; (B) a methylmethacrylate-styrene-acrylonitrile-butadiene copolymer (g-MABS) which is a graft resin having a core-shell structure and including butadiene with an average particle size of about 2000 to about 4000 ?; (C) dimethyl polysiloxane; and (D) a base resin which includes (meth)acrylic acid alkyl ester in an amount of about 40 to about 100% by weight.

Abstract: A water-proof fastener tape of an environment-conscious type fabricated using a reduced amount of an organic solvent is provided. The fastener tape includes a base fabric and a water-stop film laminated to at least one surface of the base fabric, the water-stop film includes a surface layer of a polyurethane film and an adhesive layer of a cured product of an aqueous polyurethane adhesive adjacent to the surface layer so that the fastener tape has a laminate structure.

Abstract: The invention provides anaerobic curable compositions comprising a (meth)acrylate component, at least a portion which comprises a (meth)acrylate-functionalized bio-renewable oleaginous polyurethane polymer, and methods of their production and use. These compositions provide excellent adhesion especially on oily surfaces.

Abstract: An adhesive sheet having high adhesion and removability, low metal corrosion, small outgas generation, and particularly suitable for adherence to an electronic part, which sheet includes an adhesive layer provided for at least one surface of a substrate sheet, in which a pressure-sensitive adhesive forming the adhesive layer includes a resin composition mainly formed of an acrylic copolymer obtained by blending a carboxyl group-free acrylic copolymer obtained by copolymerizing the following components (A) to (C) with (D) an isocyanate-based cross-linking agent: (A) 76.999 to 94.999% by mass of an alkyl(meth)acrylate; (B) 5.0 to 23.0% by mass of an ethylenically unsaturated group-containing morpholine-based compound; and (C) 0.001 to 1.5% by mass of a functional group-containing unsaturated monomer; and a ratio M2/M1 of the mole number (M2) of isocyanate groups in the component (D) to the mole number (M1) of functional groups in the component (C) is 1.5 to 15.0.

Abstract: Embodiments of the invention include insulated units and methods of producing the insulating units. The insulating units include a first surface, a structural seal disposed on at least portions of the first surface, and a second surface disposed on the structural seal. The structural seal includes the reaction product of at least one first isocyanate, at least one isocyanate reactive side, and at least one adhesion promoter including a reaction product of at least one secondary aminoalkoxy silane and at least one second isocyanate.

Abstract: The present invention relates to curable compositions comprising at least one specific blocked amine, at least one surface-deactivated polyisocyanate that is solid at ambient temperature and optionally water or a water-producing substance. Compositions of this type are characterized by an extremely high storage stability as long as they are not heated. Hot curing compositions that cure with the action of heat can thus be produced. Heat-activated compositions can also be produced. When heat is applied the latter compositions are not cured but are activated so that they are able to cure under the influence of moisture. The curable compositions are particularly suitable for use as adhesives.

Abstract: The use of aqueous polyurethane dispersions is described for composite foil lamination, where at least 10% by weight of the polyurethane derives from at least one amorphous polyester polyol.

Abstract: The present invention encompasses polyurethane adhesive compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane adhesives derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure. In another aspect, the invention provides articles comprising the inventive polyurethane compositions as well as methods of making such compositions.

Abstract: Adhesive for adhering synthetic and/or metal substrates, selected from liquid or thermoplastic adhesives which have urethane groups in the polymer chain, wherein the adhesive is selected from NCO-reactive adhesives, silane-reactive adhesives or thermoplastic polyurethanes (TPU) and include as a constituent 0.01 to 10 wt. % of at least one compound (H) having a molecular weight of less than 500 g/mol, which compound has at least one sulphonamide group having an SO2—NH—C(O) structure or at least one amidosulphonate group.

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: The invention is an adhesive composition comprising a silyl terminated prepolymer having a number molecular weight average (Mn) of about 8,000 to about 80,000 g/mole, a filler, and a silanol condensation reaction catalyst. The silyl terminated prepolymer is comprised of a polymeric backbone of alkylene oxide and at least three urethane groups and at least two terminal groups comprised of a silicon atom having at least two alkoxy silane groups, wherein each silicon atom in the terminal groups is separated from the urethane groups in the polymeric backbone by an amount of alkylene oxide that has a molecular weight of 200 to 15,000 g/mole.

Abstract: The present invention is to provide a weather-resistant adhesive which achieves adhesive property, moist heat resistance and weather resistance in a practical level by means of aging at low temperature and for short time. There is provided a weather-resistant adhesive composition, characterized in containing (A) a polyester polyol having an acid value of 30 to 150 equivalents/106 g and (B) a polyisocyanate compound comprising an aliphatic polyisocyanate compound and/or an alicyclic polyisocyanate compound. Also, there is provided a layered product, characterized in being prepared by laminating films using said composition.

Abstract: Provided are a hollow-fiber membrane unit in which the membranes are prevented from decreasing in permeation rate and the membrane area per unit volume has been rendered suitable and which can hence treat water in an increased rate and a hollow-fiber membrane module which is for use in such hollow-fiber membrane unit. The hollow-fiber membrane module comprises either a hollow-fiber membrane sheet composed of hollow-fiber membranes disposed in a sheet arrangement or a stack of such sheets and a box-shaped water collection member which holds the hollow-fiber membrane sheet or stack, wherein one surface of the water collection member has an opening that is filled with a fixing resin (potting resin) and is for fixing the hollow-fiber membrane sheet stack.

Abstract: Magnesium oxide cement sheathing is laminated to plywood, OSB, wood, steel, other building products or other substrates to enhance fire, structural and sound performance of the substrate to meet new and more stringent fire codes while also providing water, insect, mold and rot protection. Further, the magnesium oxide cement board laminated to a foam core enhances fire performance and mold and rot protection over that of the foam core alone. The magnesium oxide laminate is used in wall, floor and roof assemblies to meet or exceed performance as specified in the building codes.

Abstract: A novel macromer or mixture thereof is described herein, comprising isocyanatophenyl ether terminal moieties and at least two residues of a water-soluble polymer having a molecular weight ranging from 80 to 10,000 adjacent to the ether group of the isocyanatophenyl ether terminal isocyanate moieties, thereby forming at least two ether linkages in the macromer or mixture thereof. A method for making a polyisocyanate macromer is also described herein.

Abstract: A method for producing biodisintegratable composite foils with an aqueous polyurethane dispersion adhesive. The method involves adhesive-bonding a first substrate to a second substrate with use of the aqueous polyurethane dispersion adhesive. At least one of the first substrate and the second substrate is made of a biodisintegratable polymer foil, and at least 60% by weight of the polyurethane contains diisocyanates, polyesterdiols, and bifunctional carboxylic acids. The bifunctional carboxylic acids are dihydroxycarboxylic acids or diaminocarboxylic acids.

Abstract: An aqueous two-component aqueous dispersion adhesives, including in particular polyether-polyurethane polymers and ethylene vinyl acetate copolymers (EVA) having a glass transition temperature of greater than 0° C. The dispersion adhesives are optimally suited for use as contact adhesives, and for gluing plastic membranes. It has been demonstrated that the adhesives or the adhesive composite items produced therewith are characterized by an exceptionally low plasticizer absorption behavior, and contact adhesion. The good heat resistance and good bonding to various bases are also advantageous.

Abstract: The tendency of a two component laminating adhesive based on polyurethane chemistry to form a mist of fine droplets when applied at a high line speed may be reduced by including both a high functionality polyol and a lower functionality polymeric polyol in Component B which is combined and reacted with an isocyanate-functionalized polyurethane prepolymer in Component A.

Abstract: The present invention relates to laminates of a plasticizer-containing plastic, obtained by bonding by means of a moisture-reactive hot-melt adhesive which comprises at least one aldimine and at least one polyurethane polymer which contains isocyanate groups and is solid at room temperature. The bonded assembly is notable for improved adhesive, particularly following heat/moisture storage or alternating storage. Preferred embodiments of such laminates are bonded films or film-laminated supports, the film preferably being a pPVC film.

Abstract: Preparing a polyurethane with polyurethane-polyether and polyurethane-polyester blocks with at least 2 polyurethane-polyester end blocks joined to an alkoxysilane end group, by reaction of a polyether polyol (A) with a stoichiometric excess of an aliphatic diisocyanate (B), then reaction of the polyurethane formed with a stoichiometric excess of a polyester polyol, then reaction of the polyurethane formed with a stoichiometric amount of an isocyanatosilane (D); polyurethane formed by said method; corresponding adhesive composition, further comprising a crosslinking catalyst method of assembly of 2 substrates employing the composition.

Abstract: An adhesive composition for use on a fleece-backed roofing substrate includes two components that are mixed prior to application on the fleece backed roofing substrate. The first component includes renewable polyol, catalyst, fumed silica, and surfactant. The renewable polyols are selected from any non-petroleum based polyol that is derived from a renewable source. The second component includes isocyanates, including renewable and non-renewable isocyanates.

Abstract: The invention relates to a method for the production of composite elements comprising at least one outer layer a) and a layer b) firmly bonded to it, an adhesion promoter c) being applied between the outer layer a) and the layer b) firmly bonded to it, the outer layer a) being continuously moved and the adhesion promoter c) and the layer b) firmly bonded to it or the starting materials thereof being applied in succession to the outer layer, the application of the adhesion promoter c) being effected by means of a rotating disk which is mounted horizontally or with a slight deviation from the horizontal of up to 15°, wherein the rotating disk is provided with teeth on the edge.

Abstract: The invention relates to moisture-curing compositions which comprise at least one aromatic isocyanate group-bearing polyisocyanate and at least one dialdimine of formula (I). The compositions according to the invention have a longer open time and at the same time a shorter curing time, they are storage-stable and cure without forming bubbles. They are especially suitable as adhesives, sealing agents, potting compounds or coating materials, the use as sealing agents being especially advantageous.

Abstract: Two-part polyurea-urethane adhesive compositions comprising a Part A prepolymer component having an isocyanate component comprising polymeric isocyanate and an oligomer content greater than 15 weight percent, polyol having a molecular weight of about 5,000 to about 12,000 and about 20 weight percent to about 44 percent weight percent filler; and a Part B curative component comprising polyol having molecular weight of about 5,000 to about 12,000, aromatic amine, about 20 weight percent to about 44 percent weight percent filler and catalyst wherein the adhesive has an 85° C. storage modulus greater than about 20 MPa. The two-part polyurea-urethane adhesive composition can be applied to bond various substrates including composite materials and metal, including making parts for the transportation and assembly markets.

Abstract: A design and fabrication technique whereby a coping cap and/or transition can be supplied with mitered corner sections and other transitional components which utilize the identical prefinished or bare sheet metal material(s) without any reliance on exposed mechanical fasteners, welding, soldering, or post-applied paints. This is essentially accomplished by joining the prefinished sheet material(s) together using a mesh screen and adhesive on the underside (non-exposed) face of the sheet material(s).

Abstract: A composition comprising a) one or more isocyanate functional components, one or more oligomers or prepolymers containing isocyanate functional groups and alkoxysilane groups, or prepolymers having a flexible backbone and silane moieties capable of silanol condensation: b) one or more catalysts for the reaction of isocyanate moieties with active hydrogen atom containing groups or for silanol condensation; c) one or more compounds comprising a dihydrocarbyl hydroxyl amine, an alicyclic hydroxyl amine, a nitrile oxide of a dihydrocarbyl hydroxyl amine or a nitrile oxide of an alicyclic hydroxyl amine in a sufficient amount to enhance the ultraviolet stability of the composition in a cured state; and d) a pigment that does not have reinforcing properties or the composition contains one of one or more oligomers or prepolymers containing isocyanate functional groups and alkoxysilane groups, or prepolymers having a flexible backbone and silane moieties capable of silanol condensation.

Abstract: Anaerobic adhesive and sealant compositions in film form, film spool assemblies containing such compositions in film form and preapplied versions thereof on matable parts are provided.

Abstract: A urethane adhesive composition includes a first liquid and a second liquid, the first liquid containing a prepolymer obtained by reacting a polyisocyanate and a high-molecular-weight polyol (I), and at least one filler selected from talc and calcium carbonate, and containing 20 parts by mass or more of talc, 0 to 40 parts by mass of calcium carbonate, and 10 parts by mass or more of zeolite based on 100 parts by mass of the polyisocyanate, the high-molecular-weight polyol (I), and the prepolymer in total, the second liquid containing a high-molecular-weight polyol (II) and a low-molecular-weight polyol, the ratio of the number of moles of hydroxyl groups derived from the low-molecular-weight polyol to the total number of moles of hydroxyl groups derived from the high-molecular-weight polyol (I) and the high-molecular-weight polyol (II) being four or more.

Abstract: A low pressure, low toxicity method of making a composite door, and a door formed from the method involving the steps forming a door frame; installing a foam block within the door frame; applying a thin coating of 1 millimeter to 4 millimeters of an water activated adhesive made of isocyanate and an alkylating agent edge to edge on a front and back side of the door frame and foam block and then within a few seconds or minutes of applying the adhesive, misting the adhesive; then placing the door frame and foam block with adhesive on a back skin then overlaying a front skin on an opposite side forming a door assemblage; and applying low pressure and low heat to the door assemblage to form the composite door.

Abstract: The present invention relates to aqueous compositions based on crystalline or semicrystalline polyurethane polymers, processes for the preparation thereof and adhesive systems comprising these aqueous compositions and the use thereof.