Abstract: A circuit terminal connected structure and a circuit terminal connecting method are provided. Both the structure and the method feature a circuit connecting material formulated with the following components: a curing agent capable of generating free radicals upon heating; an acrylate or methacrylate radical polymerizable substance; and either an acrylic rubber or a maleimide radical polymerizable substance having at least two maleimide groups per molecule. In some embodiments, the curing agent features a 10-hour half life temperature of 40° C. or above and a 1-minute half-life temperature of 180° C. or below. In other embodiments, the circuit connecting material includes conductive particles. In additional embodiments, the circuit connecting material includes a hydroxyl-group-containing resin having a weight average molecular weight of 10,000 or more.

Abstract: The present invention relates to cationically curable compositions for curing on a surface comprising a cationically curable component, and an initiator component capable of initiating cure of the cationically curable component. The initiator comprises at least one metal salt, which is chosen so that it is reduced at the surface, and where the standard reduction potential of the initiator component is greater than the standard reduction potential of the surface, and where when the composition is placed in contact with the surface, the metal salt of the initiator component of the composition is reduced at the surface, thereby initiating cure of the cationically curable component of the composition. No catalytic component is required in the composition for efficient cure.

Abstract: The present invention relates to radically curable compositions for curing on a surface comprising a radically curable component, and an initiator component capable of initiating cure of the radically curable component. The initiator comprises at least one metal salt and a free radical generating component. The metal salt of the composition is chosen so that it is reduced at the surface, where the standard reduction potential of the metal salt is greater than the standard reduction potential of the surface, and where when the composition is placed in contact with the surface, the metal salt is reduced at the surface, and interacts with the free radical generating component, thereby initiating cure of the radically curable component of the composition. No catalytic component is required in the composition for efficient curing.

Abstract: A membrane-electrode assembly for a fuel cell including a first substrate and a second substrate and a catalyst layer between the first substrate and the second substrate is provided, where the first substrate is a polymer electrolyte membrane and the second substrate is a electrode substrate, or the first substrate is the electrode substrate and the second substrate is the polymer electrolyte membrane. The catalyst layer has a h1/t1 ratio of about 0.5 or more, where s1 represents a point on the first substrate at one end of the catalyst layer, h1 represents a distance between the first substrate and the second substrate, s2 represents a point on the first substrate closest to s1 at which a height (h) of the catalyst layer becomes h1, and t1 represents the distance between the s1 and the s2. The membrane-electrode assembly can include a greater amount of catalyst by decreasing a shadow effect, and thereby increasing its energy density.

Abstract: A circuit-connecting material which is interposed between circuit electrodes facing each other and electrically connects the electrodes in the pressing direction by pressing the facing electrodes against each other; the circuit-connecting material comprising as essential components (1) a curing agent capable of generating free radicals upon heating, (2) a hydroxyl-group-containing resin having a molecular weight of 10,000 or more and (3) a radical-polymerizable substance. Also provided are a circuit terminal connected structure and a circuit terminal connecting method which make use of such a material.

Abstract: Adhesive formulations generally including an acrylate and/or methacrylate monomer; a vinyl ester resin having a weight average molecular weight ranging from about 450 to about 3000; and a catalyst. Also disclosed is a method for forming a composite material employing the formulations.

Abstract: Method of bonding labels to hydrophobic substrates, a pressure-sensitive hotmelt adhesive being applied wholly or partly to the label or to the substrate at an area opposite the label, then bringing label and substrate together and bonding them, characterized in that the pressure-sensitive hotmelt adhesive is water-soluble in alkaline solution and the label is selected from i) water-permeable labels having a water absorbency (Cobb value) of greater than 0.3 g/m2 per 20 sec, ii) perforated labels which on the bonded surfaces have a perforation or cutouts of below 10%. Further described is a label which is coated with a water-soluble pressure-sensitive hotmelt adhesive and which exhibits a high water absorbency and/or, where appropriate, contains perforations or cutouts on the bonded surface.

Abstract: The present invention relates to a laminating adhesive composition which contains a reaction product which contains isocyanate groups and which is obtained from the reaction of at least two specific polyester polyols, solid at room temperature, and a polyisocyanate. Particularly in the case of three-dimensionally deformed support material surfaces, the laminating adhesive compositions permit removal from the laminating mould at an elevated temperature.

Abstract: The invention relates to a method of bonding different materials of construction using hybrid materials comprising nanoscale, superparamagnetic, ferromagnetic, ferrimagnetic or paramagnetic powders enveloped or in part not enveloped by poly(meth)acrylates, and to their use.

Abstract: The present invention relates to hotmelt adhesive compositions which comprise at least one thermoplastic polyolefin (P) which is solid at 25° C., and also at least one amide (A) of the formula (I) or (II). These hotmelt adhesive compositions are suitable more particularly for the adhesive bonding of polyolefin films. More particularly it is possible to form assemblies of a substrate (S) and polyolefins bonded with a hotmelt adhesive.

Abstract: A method and device for manufacturing a radio-frequency label on an article is provided. The method generally comprises the steps of fixing at least one transponder on a surface of the article, the transponder comprising at least one radio-frequency chip and at least one antenna and at least one carrier film, and fixing at least one cover label on the transponder, the cover label comprising at least one inscribable surface directed away from the transponder.

Abstract: There is provided a laminate sheet which is excellent in oxygen-barrier property and moisture resistance, biodegradable as a whole and therefore suitable as a base material for packaging materials, such as food containers. The laminate sheet is formed by laminating a water-containable and biodegradable polymer substrate sheet or a precursor thereof in a water-containing state with a layer of polyglycolic acid resin having a residual monomer content below 0.5 wt. % to form a laminate, and subjecting the laminate to bonding and forming under heat and pressure.

Abstract: Polyisocyanate-based reaction systems, a pultrusion process of those systems to produce reinforced matrix composites, and to composites produced thereby. The polyisocyanate-based systems are mixing activated reaction systems that include a polyol composition, an optional chain extender or crosslinker, and a polyisocyanate. The polyisocyanate-based systems exhibit improved processing characteristics in the manufacture of fiber reinforced thermoset composites via reactive pultrusion.

Abstract: Novel ester compositions are prepared by reacting 1) at least one diol, glycol or oligomeric glycol with 2) a mixture of at least one aromatic monocarboxylic acid and at least one aliphatic monocarboxylic acid containing from 2 to 4 carbon atoms. The compositions are effective plasticizers for a variety of polymers, particularly those employed in water-borne adhesives. The freezing point of the present ester mixtures and their efficacy as plasticizers and other types of additives and/or modifiers for a variety of polymer compositions can be varied by adjusting the relative concentrations of the aromatic and aliphatic acids used to prepare the ester composition.

Abstract: The invention is based on the discovery that certain polyether oligomers bearing curable moieties are useful as adhesives for the microelectonic packaging industry. Specifically, certain thermoset adhesive compositions containing polyether oligomers of the invention have good adhesion with lower viscosity, lower resistivity, higher conductivity and higher thixotropy when compared to acrylate- and maleimide-based thermoset adhesives.

Abstract: Adhesive tape having a carrier and a layer of adhesive applied on at least one side to the carrier, the carrier having at least one foam layer composed at least in part of a polyolefin-based polymer, wherein the polyolefin-based polymer contains an ethylene multi-block copolymer in a fraction of at least 40% (w/w), the ethylene multi-block copolymer being composed of hard segment blocks, containing at least 95% (w/w) of ethylene and a comonomer, and of soft segment blocks, containing ethylene and a comonomer, the fraction of comonomer in the soft segment blocks being between 10 and 20 mol %.

Abstract: A sound damping material for use in a sound damping laminate having one or more rigid layers, such as those used in the automotive industry. The sound damping material is preferably a viscoelastic material that damps or otherwise inhibits the transmission of vibrational or acoustical energy through the laminate, and also acts as an adhesive for bonding the rigid layers together. In its cured form, the sound damping material layer can include an acrylate-based polymer matrix, and one or more of the following components: a precipitated phase, a viscous phase, and miscellaneous constituents. The acrylate-based polymer matrix is the reaction product of at least one acrylate-based monomer, such as isobornyl acrylate.

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: The present invention provides a transparent conductor comprising a substrate, and a conductive layer containing conductive particles and a conductive polymer.

Abstract: The use of a composition of low or no tack at 20° C. as an adhesive that can be adhered to itself (referred to below for short as an autoadhesive).

Abstract: A fuel cell, having improved sealing against leakage, includes a sealant disposed over the peripheral portions a membrane electrode assembly such that the cured sealant penetrates a gas diffusion layer of the membrane electrode assembly. The sealant is applied through liquid injection molding techniques to form cured sealant composition at the peripheral portions of the membrane electrode assembly. The sealant may be thermally cured at low temperatures, for example 130° C. or less, or may be cured at room temperature through the application of actinic radiation. The sealant may be a one-part or a two-part sealant. The sealant includes a polymerizable material, such as a polymerizable monomer, oligomer, telechelic polymer, functional polymer and combinations thereof functionalized with a group selected from epoxy, allyl, vinyl, (meth)acrylate, imide, amide, urethane and combinations thereof.

Abstract: A compatibilized polyolefin/polyolefin composite material includes a polyolefin/polyolefin composite substrate and a reinforcing mat formed from reinforcing fibers and a thermoplastic polymer powder. The mat may also incorporate an optional emulsion polymer binder. In addition the compatibilized polyolefin/polyolefin composite material may incorporate an additional film layer so that the mat is sandwiched between the substrate and the film layer. A method of producing such materials from a to polyolefin/polyolefin composite substrate that is topologically/mechanically bonded to a reinforcing mat formed from reinforcing fibers and thermoplastic polymer powder is also described.

Abstract: A water treatment composition comprised of a metal ion yielding material secured to an adhesive, with the adhesive secured to a structure, so that when the structure is placed in a body of water the concentration of metal ions is maintained at level sufficient to kill bacteria and sufficient to permit release of metal ions over an extended period of time. Also, a method of securing a metal ion yielding material, as well as a method of manufacture of an article, by first adhering the metal ion yielding material to a structure and then forming the structure into an article for placement in a body of water to maintain the desired metal ion concentration therein.

Abstract: Pressure-sensitive adhesive comprising an acrylate block copolymer having at least two chemically distinguishable, covalently interlinked acrylate polymer blocks P in microphase-separated regions and each having a softening temperature of between ?125 and +20° C.

Abstract: A moisture curable hot melt adhesive composition includes a polyurethane prepolymer, optionally a tackifying resin, and optionally a thermoplastic polymer. The polyurethane prepolymer includes a reaction product of an amorphous polyester polyol, a polyisocyanate, and a crystalline monofunctional alcohol that has a melting point of no less than about 80° C.

Abstract: A process is provided for bonding a substrate to a material using an adhesive precursor comprising a reactive mixture which is reacted to form an adhesive as a product of ester condensation. The reactive mixture includes a monomer mixture comprising at least one polyhydric alcohol and a reactant selected from the group consisting of at least one organic polyacid; at least one organic anhydride; and combinations thereof. Alternatively, the reactive mixture comprises a prepolymer formed from the monomer mixture; a combination of the prepolymer and the monomer mixture; or a combination of the prepolymer and reactants such as polyhydric alcohol, organic polyacid, organic anhydride, and combinations thereof.

Abstract: Surface insensitive, storage-stable, single-package liquid anaerobic adhesive and sealant compositions which are substantially free of amines, especially aromatic and tertiary amines, and imides, especially sulfimides such as saccharine and saccharine-type compounds

Abstract: The invention relates to water-redispersible polymer powder compositions obtainable by means of free-radical-initiated polymerization in aqueous medium of one or more monomers from the group consisting of vinyl esters of unbranched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides and subsequent drying of the polymer dispersion obtained, characterized in that one or more silanes of the general formula (RO)3-nR1nSiR2X (1) are added before or during the polymerization or before drying of the polymer dispersion, and also their use in tile adhesives.

Abstract: The invention is based on the discovery that certain well-defined compounds derived from pentacyclopentadecane dimethanol are useful components in adhesive formulations. In particular, the invention compounds described herein provide high Tg values and low shrinkage. Compounds of the invention are useful as adhesives for use in the semiconductor packaging industry.

Abstract: The present invention relates to a compound flooring material. The compound flooring such as thermoplastic/wood compound flooring is produced by adhering two layers through adhesive cementing. According to an embodiment, a first sheet is a high quality wood veneer and the second sheet is a low foaming, environment friendly, UPVC board. The sheets are bonded by incorporating a high quality polyvinyl acetate polymer adhesive that contains no formaldehyde, thus providing a strong, safe, odorless product. The UPVC/wood compound flooring has a very low shrinking and swelling rate and is convenient and accurate to install.

Abstract: A resealable adhesive formulation comprises a paraffinic hydrocarbon, an aliphatic ester, an aliphatic alcohol, an acrylate adhesive, a surfactant free of perfluoroalkylsulfonyl groups and optionally a tackifying resin. The adhesive is capable of multiple open/close cycles and is particularly useful for resealable cassettes and cartridges for medical imaging films.

Abstract: In a method of applying a constrained layer damping material 18 to a component 16, the material 18 is placed on the component 16, and pressure is applied over substantially the entire area of the material 18 for not less than 5 minutes and not more than 8 hours, the pressure being not less than 34 kPa, and the temperature being maintained at not less 80° C. and not more than 180° C. for the duration of the application of pressure.

Abstract: An enhanced anaerobic adhesive composition containing microencapsulated metal ions is disclosed. Microencapsulated metal ions, such as iron oxide, copper naphthenate, cobalt naphthenate, ferrocene, and ferrocene derivatives, act as bonding sites in the composition, such that the composition achieves more complete polymerization in a shorter curing time. The curing properties and the cure quality are significantly improved by the inclusion of microencapsulated metal ions. The composition can be used to bond metal and plastic substrates.

Abstract: The invention is based on the discovery that certain polyester compounds bearing are useful as b-stageable and/or liquid adhesives for the microelectronic packaging industry.

Abstract: A method of producing adhered substrates that includes: providing an adhesive composition that is a liquid dispersion when stored at temperatures from about room temperature up to about 140° F., becomes a molten solution when heated to a temperature above about 300° F. and mixed, and then becomes a non-exuding thermoplastic solid adhesive upon cooling below a temperature of about 140° F.; heating and mixing the liquid dispersion at a temperature above about 300° F. to form the molten blend; disposing the molten blend between the substrates to be adhered to each other; and retaining the molten blend between the substrates to be adhered to each other for a set time during which the molten blend cools to form the solid adhesive that adheres the substrates to each other.

Abstract: Acrylic adhesives containing an acrylic polymer and a plasticizer are provided. The acrylic polymer includes copolymerized monomers of a first alkyl acrylate, a second alkyl acrylate, and a vinyl carboxylic acid. The alkyl group of the first alkyl acrylate has at least 4 carbon atoms, and the alkyl group of the second alkyl acrylate has 1-3 carbon atoms. The plasticizers include a di-ethoxylated tertiary amine segment.

Abstract: Quaternary boron salts are used as initiators of polymerisation in adhesive compositions for bonding low surface energy substrates such as polyolefins. The quaternary boron salts are of the formula I wherein R1 is C1-C10 alkyl, R2, R3 and R4, which may be the same or different, are, C1-C10 alkyl or C3-C10 cycloalkyl, phenyl, or phenyl-substituted C1-C10 alkyl or C3-C10 cycloalkyl, provided that any two of R1-R4 may optionally be part of a carbocyclic ring, and M+ is a metal ion or a quaternary ammonium ion. When M+ is a quaternary ammonium ion, the initiator may be used in a two-part composition having a (meth)acrylate monomer in both parts and the initiator compound in one part, the two parts being in a weight ratio of about 1:1.

Abstract: Constituent materials of a CIS type thin-film photovoltaic module are made separable and recyclable without reducing output characteristics and durability. A thin-film photovoltaic module 1 having a substrate structure comprising a CIS type thin-film solar cell device 2 and a cover glass 4 bonded to the light incidence side of the device 2 with a thermally crosslinked EVA resin or the like 3 as an adhesive is made to include a non-adhesive plastic (e.g., polyester) resin 6 sandwiched between the solar cell device 2 and the EVA resin 3. Thus, the constituent materials are separable. Through later simple separation steps, the constituent materials are separated and recovered.

Abstract: A pressure-sensitive adhesive tape made of a flat support material provided with a pressure sensitive adhesive comprising a polymer formed from a monomer mixture of acrylic acid ester and/or methyl acrylic acid ester or free acids thereof of the formula CH2=CH(R1)(COOR2), acrylic acid ester and/or methyl acrylic acid ester having the formula CH2=CH(R3)(COOR4) and acrylic aid ester and/or methyl acrylic acid ester having the formula CH2=CH(R3)(COOR5).

Abstract: In a process involving at least two film-shaped substrates (44, 46) bonded together by means of at least one adhesive layer containing a catalyst which accelerates hardening of the adhesive, a first substrate (44) is coated with a liquid film comprising three layers viz., two adhesive layers (34, 38) and an intermediate layer (36), which is situated between the adhesive layers (34, 38) and contains a catalyst (37), using liquid film coating in the form of curtain coating or slide-coating and subsequently bonded onto the second substrate (46). The laminate (48) formed may be coated via at least one liquid film coating with a further three layer liquid film comprising two adhesive layers (134, 138) and an intermediate layer (136), which is situated between the adhesive layers (134, 138) and contains a catalyst (137), using curtain coating or slide-coating and subsequently bonded onto at least one additional substrate (50) to form an additional laminate (52).

Abstract: This invention is glass laminate article comprising a film which can block the transmission of infra red (IR) light. A laminate of the present invention comprises at least two sheets of a non-plasticized thermoplastic polymer which forms the outer layers of a three-layer IR-blocking laminate film.

Abstract: A moisture-curing hot-melt-adhesive composition in granulate, tablet or powder form can be produced by a.) fusing the reactive hot-melt-adhesive composition and heating the melt, subject to exclusion of moisture, b.) extruding this melt through one or more dies onto a cooled surface, subject to exclusion of moisture, c.) cooling the granulate, subject to exclusion of moisture, whereby the composition solidifies, d.) removing the cooled hot-melt-adhesive granulate, e.) filling the granulate into moisture-tight packages, subject to exclusion of moisture. These reactive hot-melt adhesives are pourable and free-flowing and therefore can be used with all conventional application machines for hot-melt adhesives.

Abstract: A fluorochemical ketone compound consists of two terminal, branched, independently fluoroalkylcarbonyl or perfluoroalkylcarbonyl groups and an intervening linear perfluoropolyether segment, each of the terminal groups optionally comprising at least one catenated heteroatom, and the perfluoropolyether segment consisting essentially of at least one tetrafluoroethyleneoxy moiety and, optionally, at least one difluoromethyleneoxy moiety, the moieties being randomly or non-randomly distributed within the perfluoropolyether segment.

Abstract: Hydrogenated triglycerides having melting temperature above about 50° C. are substituted for paraffin as a coating material for the surface of paper products and the resulting paper products have improved wet strength and moisture resistance in addition to being repulpable thereby providing a distinct environmental advantage over paraffin coated products.

Abstract: A process for making an article contacted with a bonding agent that is prepared by providing an admixture including a latex and a polyol present in an amount of less than 20 wt. % of the admixture for providing hydroxyl functionality. The isocyanate is admixed with the latex/polyol admixture to form the bonding agent. A layer of the bonding agent is contacted with a substrate.

Abstract: There are provided an adhesive for connecting a circuit to be interposed between substrates having circuit electrodes thereon opposed to each other and to electrically connect the circuit electrodes on the substrates opposed to each other to the pressurizing direction under pressure, wherein the adhesive contains a compound having an acid equivalent of 5 to 500 KOH mg/g, and an adhesive for connecting a circuit to be interposed between substrates having circuit electrodes opposed to each other and to electrically connect the electrodes on the substrate opposed to each other to the pressurizing direction under pressure, wherein the adhesive comprises a first adhesive layer and a second adhesive layer, and a glass transition temperature of the first adhesive layer after pressure connection is higher than the glass transition temperature of the second adhesive layer after pressure connection.

Abstract: The invention is directed to methods and compositions for improving the adhesion properties and switching performance of an electrophoretic display. The methods and compositions comprise the use of a high dielectric polymer or oligomer and optionally a crosslinking agent.

Abstract: A sealant composition comprising a sealant, an adhesive resin, and a long chain ester, particularly dimerate and trimerate esters, is capable of unexpected adhesion to substrates such as ceramic substrates (e.g., concrete), glass substrates, metal substrates such as metal flat stock materials, polymeric substrates including substrates comprising natural and/or synthetic rubbers and substrates comprising thermoplastic polymeric materials, particularly for use in sealing around bathroom fixtures, in storage areas, vents, plumbing lines, flooring, wheel wells, and the like.

Abstract: An aqueous composition comprises a mixture of from 10 to 50% by weight of a polymer A) having a gel content of less than 40% by weight and a number-average molecular weight Mn of the soluble fractions of less than 30,000 and from 50 to 90% by weight of a filler B), the amounts by weight being based on the weight sum of the polymer and of the filler.

Abstract: An adhesion promoter comprises a polymeric strand with an epoxy-reactive group other than a phenolic hydroxyl group, and a crosslinking group that crosslinks the polymeric strand with a rubber in a crosslinking reaction, wherein the polymeric strand is water soluble in an amount of at least 10 g/l, and more preferably at least 100 g/l. Particularly contemplated adhesion promoters may further comprise styrene-butadiene-vinylpyridine copolymer, and may advantageously be employed as a replacement for resorcinol-formaldehyde latex in the fabrication of a rubber containing tire. Especially contemplated rubber compositions may additionally comprise maleinized polybutadiene to synergistically improve adhesion of the rubber to a polymeric fiber coupled via contemplated adhesion promoters.