Abstract: The invention provides anaerobic curable compositions, and methods of their production and use. These compositions provide excellent adhesion especially on oily surfaces.

Abstract: The present disclosure is concerned with improved curable adhesive compositions for anchoring elements in a structural body that exhibit low temperature versus standard temperature degree of cures that are at least 50% or higher. The compositions include, in a first portion, a reactive resin, an acetoacetoxy functional monomer and a silane monomer. By using phthalate-free constituents in the formulation, a further 10% increase in strength and durability of the resins at standard temperatures may be realized after curing at low temperatures. Improvements in the adhesive compositions that relate to increased shelf life are also presented.

Abstract: A breathable multilayer spun bonded polypropylene membrane having a coated pressure sensitive adhesive capable of allowing air and moisture vapor to pass through it. The adhesive is formed of a copolymer comprising a backbone of n-butyl acrylate, 2-ethylhexyl acrylate, and vinyl acetate which is mixed with a surfactant and emulsified to produce bubbles which form pores when the copolymer is set with about 80% to about 90% of the pore sizes ranging from about 200 microns to about 300 microns and a pore density in the cured pressure sensitive adhesive ranging from about 4200 per inch2 to about 4600 per inch 2, said pores being uniformly distributed to form a flow path through the adhesive.

Abstract: A transdermal patch for the treatment of Alzheimer's disease includes: a backing, a rivastigmine-containing layer, a pressure-sensitive adhesive layer, and a release liner. In the transdermal patch, the rivastigmine-containing layer contains rivastigmine and an alkyl(meth)acrylate resin, the pressure-sensitive adhesive layer is composed of an acrylic pressure-sensitive adhesive containing a (meth)acrylic acid ester having a hydroxyl group, and neither the rivastigmine-containing layer nor the pressure-sensitive adhesive layer contains an anti-oxidizing agent.

Abstract: A hot melt adhesive composed of an ethylene vinyl acetate copolymer, a hydrogenated styrenic block copolymer, a tackifying resin, and a liquid plasticizer. The preferred ethylene vinyl acetate copolymer has a vinyl acetate content between 8 and 28 percent by weight, and the preferred hydrogenated styrenic block copolymer is a styrene-ethylene-butylene-styrene having about 30% styrene content and essentially no diblock. The hot melt gives excellent peel strength when used as a construction adhesive for disposable nonwoven articles. It can also be formulated to exhibit very low bleed through and blocking characteristics when used on low basis weight nonwoven fabrics.

Abstract: Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.

Abstract: The present invention is directed to a multilayer pressure sensitive adhesive (PSA) film, having a first pressure sensitive adhesive layer and at least an opposing layer, wherein the first pressure sensitive adhesive layer comprises a pressure-sensitive adhesive composition with a (meth)acrylic-based elastomeric material comprising a reaction product of polymerizable material comprising: (a) a first monomer which is an alkyl (meth)acrylate ester of a primary alcohol R1—OH, the alkyl (meth)acrylate ester being of Formula (I) CH2?C(R2)—(CO)—OR1 (I) wherein R1 is an alkyl having 14 to 25 carbon atoms and the primary alcohol R1—OH has an iso index equal to at least 2 but no greater than 4; R2 is hydrogen or methyl; and (b) a second monomer having an ethylenically unsaturated group; wherein the at least one opposing layer comprises at least one filler material. The invention is also directed to a method for the manufacturing of such a multilayer PSA film and its use.

Abstract: Disclosed herein are sealing solutions for sealing water-soluble films, in particular aqueous mixtures including one or more polymeric solvents such as polyols. Aqueous sealing solutions including a relatively dilute solvent for one or more polymeric components of the water-soluble film (e.g., water-soluble polymeric components thereof, such as polyvinyl alcohol (PVOH)) can exhibit one or more benefits, including a reduction in dissolution of the film by the sealing solution and an increase in seal strength. Also disclosed are sealed articles formed with the sealing solutions, for example water-soluble packets containing various liquid or solid compositions.

Abstract: There is provided an acrylic adhesive composition which comprises: (A) a vinyl polymer comprising a homopolymer or a copolymer of an alkyl (meth)acrylate having a C4 to C14 alkyl group; (B) an organophilic layered double hydroxide organically treated with an organic anion; and (C) a crosslinking agent. Therefore the obtained adhesive composition has sufficient adhesiveness to an object, excellent heat resistance and excellent adhesive properties particularly at higher temperatures, and is substantially free from variations in adhesiveness.

Abstract: A conductive sealant comprises a sealant material and conductive particles, wherein the conductive particles are of a composite material obtained by adding graphene or carbon nanotubes into a resin. The conductive sealant avoids the problem of bad electrical conduction of the display panel caused by the aggregation of graphene. A display panel and a manufacturing method thereof and a display device are further provided.

Abstract: Adhesive compositions are described comprising a) a non-functional isobutylene (co)polymer, b) an amine-functional poly(isobutylene) polymer, optionally an acid-functional (meth)acrylate copolymer, and optionally a tackifier.

Abstract: There are provided an electrically conductive adhesive agent capable of providing good electrical continuity to a substrate to which a preflux treatment has been applied, and a method for connecting electronic components. The electrically conductive adhesive agent to be used includes a polymerizable acrylic compound, an organic peroxide, and the solder particles, the organic peroxide having a one minute half-life temperature lower than the solidus temperature of the solder particles. At the time of thermocompression bonding, the solder particles are crushed and an oxide film is removed, and a preflux layer on the surface of a bump is also removed by melting and flowing thereof, whereby electrical continuity is secured, and then an adhesive component is completely cured.

Abstract: An adhesively sealed product is disclosed comprising a first surface, a second surface, and an adhesive layer bonding said first surface to said second surface; said adhesive layer comprising a copolymer and a protective colloid, the copolymer being derived from monomers including one or more a C1 to C20 alkyl(meth)acrylates and having a glass transition temperature (Tg) of from ?40° C. to 0° C. using differential scanning calorimetry (DSC), wherein opening the product by separating the first surface from the second surface results in adhesive failure of the adhesive layer thereby resulting in a reclosure adhesion of less than 0.5 N/15 mm. A method of producing an adhesively sealed product is also disclosed.

Abstract: Geocomposite articles that can provide a barrier against high conductivity water e.g., ocean water, are described and their method of manufacture, for waterproofing surfaces that contact high conductivity water. The geocomposite article mat includes a woven or non-woven geotextile sheet or mat containing a powdered or granular partially cross-linked acrylamide/acrylate/acrylic acid copolymer across its entire major surface(s). The powdered or granular copolymer has an unexpectedly high free-swell when hydrated with High Conductivity water, such as ocean water. A liquid-impermeable cover sheet is adhered to the upper major surfaces of the filled copolymer-carrying geotextile to provide a primary high conductivity water barrier layer that, if ruptured, is sealed by the swell of an underlying layer of water-insoluble, partially cross-linked acrylamide/acrylic acid copolymer.

Abstract: Pressure sensitive adhesive (“PSA”) compositions comprising a polymer having at least one vinyl group and a Type I photoinitiator bound to the polymer. The polymer is derivatized with a derivatizing agent comprising a vinyl group. The PSA can be cured by exposure to ultraviolet radiation.

Abstract: A process for the adhesive bonding of plastic pipes with and without a fitting by use of a (meth)acrylate adhesive and also corresponding pipe connections, are described.

Abstract: A reactive hotmelt adhesive comprising two components A and B each containing one or more polymers A or B having different functional groups, these groups being able to react with one another under the influence of temperature, and i) the mutually reactive functional groups are selected from hydroxyl, amine, carboxylic acid, anhydride and epoxide groups, ii) unreactive polymers and/or additives are present in at least one of the components, iii) the components are present in spatially separate regions, the adhesive having a first temperature range between 80 and 150° C. in which the components melt and are miscible with one another without reaction of the functional groups with one another, and the adhesive having a second temperature range between 130 and 190° C. in which it can melt and chemically crosslink, the second temperature being above the first temperature.

Abstract: The invention provides anaerobic curable compositions, and methods of their production and use. These compositions provide excellent adhesion especially on oily surfaces.

Abstract: Reinforced door skins, a door including one or more of the reinforced door skins, and methods of making the reinforced door skins and door are provided. The reinforced door skin as made by providing a reinforcement backing having a fibrous substrate layered with a solid-state thermoplastic hot melt adhesive, pressing the reinforcement backing and a preformed board having a door skin shape against one another at a temperature above a melt temperature of the thermoplastic hot melt adhesive and at sufficiently high pressure to conform the reinforcement backing to the door skin shape of the preformed board, and cooling the thermoplastic hot melt adhesive to form a reinforced door skin, the thermoplastic hot melt adhesive fusing the fibrous substrate to the preformed board of the reinforced door skin.

Abstract: An adhesive composition that includes: one or more polyester polyether copolymers of formula I: wherein Nu is a predominately cyclic nucleus and R1 is randomly selected from either a C2-6 alkylene or an amorphous, long-chain polyether subunit including a polyoxyalkylene group; one or more polyisocyanate prepolymers that includes the reaction product of: one or more polyols; and a polyfunctional isocyanate having a functionality of more than about 2; polymeric MDI; and a first aromatic or aromatic-aliphatic polymer tackifying resin having a softening point of equal to or greater than about 100° C.

Abstract: A chemical two-component mortar compound including a resin component (A) that contains at least one radically curable, ethylenically unsaturated compound (a) as the curable component, and including a separately arranged so as to inhibit reaction curing component (B) that contains a curing agent for the resin of the resin component (A), with improved adhesion to the surface of partially cleaned and/or moist holes in mineral substrates, characterized by a content of 0.

Abstract: An adhesive resin composition for a secondary battery for bonding a separator for a secondary battery and an electrode for a secondary battery, wherein the composition comprises an adhesive resin having a unit derived from an aromatic vinyl monomer and having a glass transition temperature of 25° C. or lower.

Abstract: The disclosure relates to one-component, dual-cure adhesive compositions that include a combination of moisture curable functionalities and radiation curable functionalities where the adhesive could include (1) a moisture-curable prepolymer and a radiation-curable component; or (2) a moisture curable radiation curable prepolymer including moisture curable functionalities and radiation curable functionalities, and optionally an additional moisture-curable prepolymer and/or an additional radiation-curable component. The disclosed adhesives can be used on substrates with electronic components to make electronic assemblies.

Abstract: Double-sided adhesive tape for affixing large sheetlike structures for the purposes of transit protection and/or assembly protection to substrates such as an automotive finish, consisting of a first adhesive side A comprising an adhesive A with a coatweight of greater than 10 g/m2 and a bond strength of at least 0.2 N/cm and of a second adhesive side B comprising an adhesive B having a melting point greater than 50° C., at least one of the adhesives, A or B, being self-adhesive and suitable for reversible bonding.

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: A two-part adhesive formulation is provided that has an adhesive part A and an activator part B. The part A includes a monomer amount of a methacrylate ester monomer, a crosslinker amount of a polyfunctional monomer, an anti-oxidant, a free-radical polymerization inhibitor, and an adhesion promoter system to improve cured adhesive strength to a substrate, an impact modifier and a toughening agent and a free-radical polymerization initiator. The part B includes an impact modifier, butyl rubber, methacrylate ester monomer, and a free-radical polymerization accelerator yet varies in the weight ratio used relative to part A. Each of the part A and the part B have separate storage stability of at least 300 days at 23° C. A process of applying an adhesive to a substrate is provided that includes combining together parts A and B to form an adhesive mixture and applying the mixture to the substrate and allowed to cure.

Abstract: The use of a mixture of 5-pyrimidinol derivatives with sterically hindered phenol derivatives for adjusting the reactivity and the gel time of resin mixtures and reactive resin mortars based on radically polymerizable compounds is described. Furthermore, a resin mixture containing the inhibitor combination, a reactive resin mortar containing this resin mixture and two-component mortar systems with the reactive resin mortar according to the invention and a hardener with improved stability in storage and good low-temperature hardening properties are also described. The resin mixture according to the invention is suitable in particular for chemical fastening of construction elements in boreholes in various substrates.

Abstract: Laminated glass is produced by laminating at least one film A, having a glass transition temperature TA and containing a polyvinyl acetal PA and optionally at least one plasticiser WA, and at least one film B, having a glass transition temperature TB and containing a polyvinyl acetal PB and at least one plasticiser WB, between two glass sheets, wherein, before the lamination process, film A has a proportion of plasticiser WA of less than 24% by weight, film B has a proportion of plasticiser WB of at least 24% by weight, and film A has a thickness of no more than 30% of the thickness of film B.

Abstract: An adhesive two-part formulation is provided that includes an amount of free-radical curable monomers, each of said monomers containing at least one acrylate moiety. Also preset in the formulation is an amount of a chlorosulfonated polymer; a Lewis acid; a polyfunctional monomer amount of dimethacrylate monomer, trimethacrylate monomer, an elastomer, a thermoplastic additive, or a combination thereof. A borane-amine complex is provided as an activator. A process of applying the formulation to a substrate includes mixing together the formulation components such that each part has a storage stability at 50° C. for 30 days where the viscosity at 30 days is within 40% of an initial viscosity. The mixture is applied to the substrate and then allowed to cure to achieve an initial strength of at least 345 kiloPascals (kPa) within 30 minutes and 40 minutes for adhesive:activator weight ratio of 1:1 and 10:1, respectively.

Abstract: The present invention relates to a method of forming a board from a number of substantially planar layers, including the steps of a) ensuring a layer is positioned substantially in a horizontal plane; and b) applying adhesive to the layer; and c) moving the layer to a holding station; and d) holding the layer horizontally against another layer within the holding station; and e) repeating steps a) to d) until a stack of layers is formed having a height substantially equivalent to the desired width of the board to be formed; the method characterized by the step of f) removing the stack from the holding device once the layers have had sufficient time to bond to each other.

Abstract: The present invention provides a sealing sheet containing a flame retardant adhesive sheet having a flame retardant-containing adhesive layer, wherein the flame retardant-containing adhesive layer has a void content of 5-40%.

Abstract: An exemplary fuel cell device includes a cell stack assembly having a plurality of fuel cells. A vapor barrier tape is wrapped around at least a portion of an exterior of the cell stack assembly. An exemplary method of managing moisture within a fuel cell stack assembly includes covering at least a portion of an exterior of the cell stack assembly with a vapor barrier tape to thereby maintain moisture within the cell stack assembly.

Abstract: A method for solvent-less adhesive bonding is provided comprising depositing thin, functional, polymeric films on one or more substrates and bonding the substrates to each other or to other substrates. Depositing the polymeric films, including, for example, chemically reactive polymers and thermoplastics with adhesive qualities, may be accomplished using an initiated chemical vapor deposition technique compatible with a variety of monomers, including monomers with chemically functional moieties such as amine and epoxy groups. The technique allows for deposition of polymeric films on a wide variety of substrates/devices and provides an alternative for other coating/deposition methods that are incompatible with certain substrates/devices and/or do not provide adequate control over the resulting polymeric film. The provided method is advantageous in that it is applicable to fabrication of hybrid devices and is compatible with microfabrication technology, including that in clean-room settings.

Abstract: Various adhesives are described that are resistant to relatively hot aqueous washing solutions and particularly to hot caustic solutions used in bottle washing applications. The adhesives are used to adhere polymeric labels to containers such as beverage bottles and thereby enable the labeled bottles to be subjected to multiple washing operations without label removal or debonding.

Abstract: A high adhesive strength and good conduction reliability can be realized when anisotropic connection is performed under compression conditions of a compression temperature of 130° C. and a compression time of 3 seconds using an anisotropic conductive film which uses a polymerizable acrylic compound capable of being cured at a comparatively lower temperature and in a comparatively shorter time than a thermosetting epoxy resin along with a film-forming resin. Consequently, an anisotropic conductive film has a structure in which an insulating adhesive layer and an anisotropic conductive adhesive layer are laminated. The insulating adhesive layer and the anisotropic conductive adhesive layer each contain a polymerizable acrylic compound, a film-forming resin, and a polymerization initiator. The polymerization initiator contains two kinds of organic peroxide having different one minute half-life temperatures.

Abstract: A two-component curable solventless adhesive which enables a laminated composite film comprising a barrier layer and a plastic film laminated with each other to maintain excellent appearance and adhesive strength for a long period even after a sterilization treatment at high temperature, and to appropriately adjust a reaction between a base resin and a curing agent during a production of the laminated composite film. The two-component curable solventless adhesive comprises a base resin and a curing agent, wherein the base resin contains a polyol having an acid group and a secondary or tertiary terminal hydroxyl group accounting for 30% or more of the entire terminal hydroxyl groups of the polyol, and the curing agent contains an isocyanate group-terminated urethane prepolymer containing at least an aralkyl polyisocyanate and/or a modified substance thereof as a raw polyisocyanate, and a content of a low molecular weight polyisocyanate is defined.

Abstract: A method for manufacturing an image display device includes: providing an image display unit having an image display surface; providing a translucent protective material having a light-shielding portion; disposing a liquid optically clear adhesive (LOCA) between the image display surface of the image display unit and the translucent protective material; and curing the LOCA to adhere the image display unit with the translucent protective material. The LOCA is a two-part redox-type adhesive composed of a first composition including a first base agent containing a compound having at least one ethylenically unsaturated group and a polymerization initiator and a second composition including a second base agent containing a compound having at least one ethylenically unsaturated group and a reducing agent capable of decomposing the polymerization initiator.

Abstract: Methods are described for addressing the bowing and/or warping of flexible substrates, attached to a rigid carrier, which occurs as a result of the thermal challenges of semiconductor processing. In particular, viscoelastic adhesives are provided which can bond a flexible substrate to a rigid carrier and mediate the thermal mismatch which often is present due to the distinctly different materials properties of most flexible substrates, such as plastic films, with respect to rigid carriers, such as silicon wafers. Assemblies are also provided which are produced according to the methods described herein.

Abstract: Adhesive compositions are described comprising a) a non-functional isobutylene (co)polymer, b) an amine-functional poly(isobutylene) polymer, optionally an acid-functional (meth)acrylate copolymer, and optionally a tackifier.

Abstract: Composition which can be used in structural adhesives, essentially comprising a polymer system suitable for being used in a methacrylate matrix, said polymer system comprising styrene-free block copolymers formed from at least two blocks and preferably from at least three blocks, and said polymer system being solubilized in a matrix of linear or branched acrylic and/or methacrylic monomers and/or of cyclic methacrylates and/or of aromatic methacrylates. Application by incorporation into an adhesive formulation of methacrylate type.

Abstract: A pressure-sensitive adhesive tape that can be used in a temperature environment of at least 90° C. or higher, includes: a pressure-sensitive adhesive layer; and a release liner provided on the surface on at least one side of the pressure-sensitive adhesive layer. The release liner has: a base layer containing a polyolefin resin; and a release layer that contains low-density polyethylene and is provided on at least one side of the base layer to be in contact with the pressure-sensitive adhesive layer.

Abstract: A liquid crystal polymer composition may comprise a liquid crystal polymer and an adhesion enhancement compound. Such a liquid crystal polymer may be utilized in layered articles, molded articles, and like and products like solar cells, optoelectronic structures, medical equipment, and tubing. Further, ethylene vinyl acetate adhesives may be utilized in some of the layered articles.

Abstract: Presently described are optical stacks comprising a first optical film comprising a plurality of structures comprising an optically active portion designed primarily to provide optical gain and optionally an optically in-active bonding portion disposed on a first surface bonded to a second optical film with a light-transmissive adhesive layer such that a portion of the structures penetrate the adhesive layer and a separation is provided between the adhesive layer and the first surface. In one embodiment, the optical stacks exhibit a combination of high peel strength and high retained brightness, particularly after aging. The adhesive layer preferably comprises an interpenetrating network of the reaction product of a polyacrylate component and a polymerizable monomer and the adhesive layer has an elastic modulus ranging from 100 to 2000 MPa at 25° C.

Abstract: A method of forming on a substrate an adhesive region that includes an adhesive composition employs steps of: a) applying a dispersion of the adhesive composition in a solvent to an anilox roller on a flexographic press, said adhesive composition comprising an adhesive polymer; b) contacting the anilox roller with a flexographic plate to transfer a portion of the dispersion thereto, said flexographic plate comprising an adhesive application region having a shape substantially matching that of the adhesive region on the substrate; c) contacting the flexographic plate with the substrate to transfer the dispersion to the substrate; and d) drying the dispersion on the substrate to form the adhesive region.

Abstract: Benzoylthiourea or benzoylthiourethane derivatives as cure accelerators in primers for two step adhesive systems are provided.

Abstract: Provided herein is aerogel insulating material and a method of producing aerogel insulating material, the aerogel insulating material including an insulating layer containing aerogel particles, a adhesive-coating layer located at both surfaces of the insulating layer, and a lamination film surrounding the adhesive-coating layer, wherein the adhesive-coating layer has thermoplastic elastomer having a low glass transition temperature. The method of producing aerogel insulating material includes preparing (S10), coating (S20), drying (S30), cutting (S40), and laminating (S50). Therefore, according to the present disclosure, it is possible to embody aerogel insulating material for use in clothing and which may reduce migration of aerogel particles, and which may make the most of the advantage of aerogel, such as its light weight and the excellent insulating effect.

Abstract: An adhesive composition includes an alkyl (meth)acrylate ester, wherein the alkyl group has 4 to 18 carbon atoms, a hydrophilic copolymerizable monomer and a free-radical generating initiator. The adhesive composition has a tan delta value of between about 0.5 and about 1.0 at a temperature of between about 25 C and about 100 C.

Abstract: The present invention relates to novel polymer-bound adducts useful as cure components for anaerobic curable compositions. The compositions are particularly useful as adhesives and sealants.

Abstract: Provided are a pressure-sensitive adhesive for polarizing plates which can apply a polarizing plate on a liquid crystal cell with good adhesion and has the characteristic that a liquid crystal display device obtained therefrom is less liable to cause light leakage even under the environment of high temperature and high humidity and which has a removability and a polarizing plate with the above pressure-sensitive adhesive and a production process for the same. The pressure-sensitive adhesive for polarizing plates is prepared by irradiating a pressure-sensitive adhesive material comprising (A) an acrylic base polymer comprising a monomer having a carboxyl group in a monomer composition ratio of 0.5 mass % or less and (B) an active energy beam-curable compound with an active energy beam and it has a storage elastic modulus (G?) of 0.3 MPa or more at 23° C.

Abstract: An exemplary embodiment discloses a structural adhesive including a structural adhesive; and, a hydrophobic material additive comprising a material selected from the group consisting of oil and carbon black.