Abstract: The present invention relates to a liquid composition for the cold preparation of laminate composite materials so as to confer to them, without preliminary sanding or abrasion, a surface state favorable to adhesive bonding with polyurethane type adhesives comprising

Abstract: A suspension adhesive comprised of a matrix material and a particulate filler material is useful for bonding, sealing, repairing, and modifying ceramic, glass, and powdered metal components in a light source. A method for making the suspension adhesive includes the selection of a filler material and a volume percentage of the filler material. Additionally, a matrix material is selected and the filler material is dispersed throughout the matrix material. The suspension adhesive is used to bond and seal components to form, for example, an arc tube for a light source.

Abstract: A method of making a liquid crystal display, including the steps of providing a substrate; providing a first electrode over the substrate; coating the first electrode with aqueous dispersed material which when dried provides a protective dielectric layer over the first electrode; coating the dielectric layer with liquid crystal bearing material and drying such liquid crystal bearing material, providing a second substrate having a second electrode, coating the second electrode with a dielectric adhesive layer; and laminating the coated second electrode to the liquid crystal bearing material by means of the dielectric adhesive material.

Abstract: A method of bonding a rubber substrate to an epoxy resin based substrate which is particularly suitable for constructing selected components of rocket motors such as motor cases. The subject method includes disposing an acrylate between the substrates to be bonded together. The interfacial layer preferably has at least one rubber constituent and at least one acrylate therein. The disclosed method is particularly suitable for, but not limited to, bonding an unvulcanized EPDM rubber substrate to an aliphatic-type epoxy resin based composite substrate containing fibrous reinforcement elements such as graphite or carbon fibers. Upon disposing the disclosed interfacial layer between the substrates to be bonded, the substrates are preferably co-cured at an elevated temperature to complete the bonding thereof.

Abstract: Methods for enhancing adhesion between at least two surfaces, preferably of at least two different materials, using a powdered surface preparation composition.

Abstract: A combination of a specific first coupling agent, second coupling agent, and carrier solvent is synergistically effective as a primer for improving the adhesion of silicone compositions, especially hydrosilation cured silicone gels, to polymer surfaces. The first coupling agent is a titanium-, boron-, or zirconium-containing coupling agent, or a combination of such. The second coupling agent is a silane coupling agent.

Abstract: Method for gluing plastic labels (15) formed of a film (12) of BI-oriented polypropylene covered on each from a layer of acrylic material (13, 14), to hydrorepellent containers by using application apparatus for water based glue paper labels; one of layers (13, 14) is printed by means of inks (16) for non absorbing materials, covered by a layer of overprinting paint (17).

Abstract: A solventless node adhesive for use in bonding honeycomb layers together. The node adhesive includes thermoset resin and thermoplastic particles dispersed in the adhesive. The node adhesive is applied to the honeycomb node lines while the thermoplastic particles remain dispersed in the adhesive. The amount of thermoplastic particles in the node adhesive is selected to keep the viscosity of the adhesive between 30 and 150 poise at room temperature. The node adhesive may be applied to the honeycomb nodes using conventional application procedures. The thermoplastic particles are dissolved during heat curing of the thermoset resin to form a thermoplastic toughened node adhesive.

Abstract: This invention relates to a method for molding or curing a resin material using a multilayer release film as a barrier at the surface of the resin material. In one embodiment, the method comprises the surface of the resin material being in contact with the release film at a temperature of at least about 350° F. (about 180° C.). Here, the release film is non-oriented and comprises: (1) an enhancement layer which comprises a thermoplastic material; and (2) a first release layer which has a composition that is different from the enhancement layer, comprises a polymeric material, and is releasable from the resin material after the resin material is molded or cured. This invention also relates to a release film that may be used, for example, with the above method.

Abstract: The present invention provides a technique for joining polyolefin pipes by means of a polyolefin joint, the method comprising the steps of placing a treatment containing a silicon compound or a treatment containing a silicon compound and a reaction accelerator between the pipes and the joint and heating a joining portion.

Abstract: High clarity optical and safety glass laminate interlayer films and optical laminates are described. The films and their laminates comprise very low density polyethylene and/or its copolymers, preferably polymerized with metallocene catalysts, and modified with additives, such as coupling agents, clarifying or nucleation agents, UV-light absorbers, pigment or color concentrate, and IR-light blockers. The very low density polyethylene is laminated to EVA film for improved bondability in optical laminates.

Abstract: A method of manufacturing retroreflective signs includes: coextruding a rigid substrate layer and an adhesive layer, the rigid substrate layer being suitable for use as a sign board; providing a cube corner sheeting having a structured surface including a plurality of cube corner elements, the cube corner elements having a specularly reflective material thereon; and applying the retroreflective sheeting to the adhesive layer. The method is useable with metalized cube comer sheeting in which the structured surface is formed in a back surface of the sheeting, wherein the cube corner element faces form pyramidal projections in such back surface. The method is also useable with metalized cube corner sheeting in which the structured surface is formed in a front surface of the sheeting, wherein the cube corner element faces form a cavity in such front surface.

Abstract: An optical device having at least two optically transparent optical parts which are bonded together with an optically transparent adhesive layer. The adhesive layer is formed from a matrix containing silicon, titanium, zirconium, aluminum or germianium, and oxygen atoms. At least part of the atoms is bonded to other atom(s) through a polyvalent hydrocarbon group and directly bonded a monovalent hydrocarbon group. The refractive index value of the adhesive layer approximates to the refractive index values of the at least two optically transparent optical parts. An adhesive composition for bonding optical parts and a method of bonding optical parts are also proposed.

Abstract: Adhesion of rubber to a variety of metals (aluminum, stainless steel, mild steel and brass) is effectively achieved by the application of an organofunctional silane (I) and a non-organofunctional silane (II) to the requisite surface. Preferably, the organofunctional silane (I) is a vinyltrialkoxysilane with the non-organofunctional silane (II) preferably comprising an alkoxylated substituted alkyl silane. The silanes (I) and (II) are at least partially hydrolyzed and are normally provided in the form of a EtOH/H2O solution. Bonded joints formed by these adhesive treatments can withstand fuel degradation tests indicating that the treatments can be used, for example, to bond metal and rubber surfaces in automotive and other environments in which the joined parts will be contacted by fuels, oil and/or organic solvents.

Abstract: Low odor polymerizable compositions comprise monomer blends having a average monomer fluorophilicity of at least 3.25, an average boiling point of at least about 160° C., and wherein the monomer blend is polymerizable to a polymer having a glass transition temperature of at least about −20° C. The polymerizable compositions are useful in kits further comprising an aerobic initiator. Also disclosed are bonding compositions, polymerized compositions, coated substrates, and methods of bonding in which the polymerizable compositions are especially useful.

Abstract: A 2-cyanoacrylate composition comprising a cyclic phenol sulfide derivative. The composition has a high curing rate and is excellent in moist-heat resistance, surface curability and clearance curability.

Abstract: A thermoplastic multilayer composite, and articles made therefrom, which has at least one layer I of a thermoplastic molding composition, at least one layer II of a further thermoplastic molding composition, bonded together with at least one layer of an adhesion promoter disposed between at least one layer I and at least one layer II. The adhesion promoter is at least 5% by weight of a graft copolymer prepared from 0.5 to 25% by weight, based on the total amount of graft copolymer, of a polyamine having at least 4 nitrogen atoms and having a number average molecular weight Mn of at least 146 g/mol, and polyamide-forming monomers selected from lactams, &ohgr;-aminocarboxylic acids, equimolar mixtures of diamines and dicarboxylic acids, and their mixtures.

Abstract: A reduction of the surface tackiness of a low-hardness thermally conductive silicone rubber sheet is performed by coating an organohydrogenpolysiloxane oil evenly on a resin film, and pasting together the oil-coated side of the resin film and an addition-cured low-hardness thermally conductive silicone rubber sheet having an Asker C hardness of from 1 to 80. Pasting can be done, for example, by passage between two rolls to supply the organohydrogenpolysiloxane oil to the surface of the silicone rubber sheet. Then, in only the surface part of the sheet, a cross-linking reaction is caused to reduce the tackiness of the sheet surface.

Abstract: A polymeric composition having self-extinguishing properties is disclosed which is useful as both an adhesive or coating. The composition contains 9-45 weight percent of an organic polymeric component and 16-50 weight percent of quaternary ammonium silicate as a fire-retarding component. Fillers and hardening agents may also be a part of the self-extinguishing polymeric composition.

Abstract: In one embodiment, the present invention relates to a method of increasing resin dust resistance of metal foil comprising contacting the metal foil with an inert silane, titanate or zirconate compound to form a resin dust resistant film having a thickness from about 0.001 microns to about 1 micron on a surface of the metal foil. In another embodiment, the present invention relates to a method of treating metal foil comprising contacting a first side of the metal foil with a hydrocarbylsilane solution to form a resin dust resistant film on a surface of the metal foil, the hydrocarbylsilane solution comprising from about 0.01% to about 10% v/v of a hydrocarbylsilane; and laminating a second side of the metal foil to a prepreg.

Abstract: An aliphatic polyester amide which is hydrolysis-resistant includes a ternary polycondensation product of monomeric constituents composed of a monomeric constituent A which is at least one diol having a general formula: HO—R1—OH, where R1 is an aliphatic residue having 2-16 carbon atoms; a monomeric constituent B which is at least one dicarboxylic acid having a general formula: HOOC—R2—COOH, where R2 is an aliphatic residue having 1-14 carbon atoms; and a monomeric constituent C which is at least one diamine having a general formula: H2N—R3—NH2, where R3 is an aliphatic residue having 2-16 carbon atoms and is present in an amount of up to about 5% by weight based on total weight of the monomeric constituents, wherein polycondensation proceeds in the presence of a catalyst comprised of constituent D, which is a metal-containing catalyst, in combination with constituent E, which is at least one of an organic phosphorus compound and an inorganic phosphorus compound, and wherei

Abstract: A method is provided for applying a decorative exterior facing to a standard vehicle rim. The method allows an exterior facing to be applied to a standard rim using a bonding material and without modifying the rim and without a mechanical fastener.

Abstract: Hotmelt adhesives with a melt viscosity of >100,000 mPas at 160° C. are suitable for bonding substrate halves in the production of digital versatile discs (DVDs) and afford major process-related advantages over known UV-curing adhesives. In their pigmented embodiment, they are able to combine the three functions of adhesive bonding, protecting the metallic reflection layer against corrosion and forming a covering background for a text/graphics layer.

Abstract: A method for improving the adhesion of an elastomeric, polymeric material to a support element while being shaped and vulcanized thereon, in which the support element is wetted in the region of the adhesion zone with a liquid composition of an adhesion promoter, the coating thus formed is solidified, and the elastomeric material is subsequently shaped on and solidified by vulcanization, an aqueous and/or alcohol solution of a thiocyanatosilane being used as the adhesion promoter.

Abstract: The invention relates to a process for treating a machined glass surface for improving the adhesive attachment of an optical fiber to this surface, characterized in that machined surface is attacked by an aqueous solution of hydrofluoric acid, then the attacked surface is treated with a bifunctional hydrolyzable silane adhesion promoter or the product of its hydrolysis and partial condensation.

Abstract: This invention involves skin cleaning products and tapes for removing keratotic plugs, dirt and other debris found on the skin and in skin pores and comprising a starch based remoistenable adhesive composition wherein the starch has from about 0 to 70% by weight amylose content and is converted to from about 30 WF to 20 DE.

Abstract: An adhesive composition includes compounds having the following formula: wherein R1 is alkyl, alkoxy alkyl, anhydride, ether, ester, or amide, and R2 and R3 are hydrogen, alkyl, alkoxy alkyl, hydroxy, alkenyl, ester, carboxylic acid or ether and wherein R1 is optionally omitted where R2 and R3 are not both hydrogen.

Abstract: An aqueous adhesive composition includes at least one vinyl silane and at least one water dispersible polyisocyanate. The aqueous adhesive composition exhibits low VOC emissions and can be used to bond vulcanizable rubbers to a variety of substrates.

Abstract: A process for improving the adhesion of a copper surface to a resinous layer, the process comprising contacting the copper layer with an adhesion promoting composition comprising a reducing agent and a metal selected from the group consisting of gold, silver, palladium, ruthenium, rhodium, zinc, nickel, cobalt, iron and alloys of the foregoing metals.

Abstract: Elastomers are securely bonded to metal substrates using an aqueous adhesive solution containing a silane adhesive in combination with a phosphonium quaternary salt additive. The additive concentration is preferably between 15% and 40% of the silane concentration. The concentration of the silane and additive in the water base is preferably 2.7%, on a weight basis.

Abstract: Polyvinyl alcohol compositions in the form of an aqueous solution are disclosed, where the aqueous polyvinyl alcohol compositions include: (i) polyvinyl alcohol; (ii) at least one polyaldehyde having at least 3 carbon atoms and being masked completely as a water-soluble hydrogen sulfite adduct; and (ii) at least one compound which is acidic in water. The aqueous polyvinyl alcohol compositions are suitable as adhesives and for use in cast films.

Abstract: A print head for ink-jet printing. The print head includes an orifice plate with a layer of metal bonded thereto, an ink barrier layer, and an adhesion promoter located between the metal layer and the barrier. The adhesion promoter bonds the metal layer to the barrier layer. Adhesion promoters include organosilane, polyacrylic acid, or polymethylacrylic acid. In a process for making a print head, an adhesion promoter is applied to the orifice plate and the orifice plate, the barrier layer, and the adhesion promoter are bonded together by applying pressure and heat.

Abstract: An article for enhancing an athletic implement grip where the article comprises a carrier material which is impregnated with a mixture utilizing a tacky adhesive and a thickener. The mixture is applied in sufficient quantities to the grip so as to permit retention of a portion of the mixture to the carrier and removal of a portion of the mixture when the impregnated carrier material contacts an athletic implement grip.

Abstract: Two component adhesive/sealing masses based on silane terminated prepolymers contain a component A which is a one-component, humidity hardening adhesive/sealing mass with high initial adhesiveness, and a component B which is a crosslinking agent and/or accelerator for component A are disclosed. These adhesive/sealing masses are suitable for gluing without primer parts made of metals or other materials such as aluminum, steel, glass, wood or plastics. In a particularly preferred embodiment, component B consists of a viscous, stable mixture of plasticisers, water, thickeners and other optional auxiliary substances.

Abstract: Dehydroxylated, silica-containing, glass surfaces are known to be at least partially terminated by strained siloxane rings. According to the invention, a surface of this kind is exposed to a selected silane compound or mixture of silane compounds under reaction-promoting conditions. The ensuing reaction results in opening of the strained siloxane rings, and termination of surface atoms by chemical species, such as organic or organosilicon species, having desirable properties. These species can be chosen to provide qualities such as hydrophobicity, or improved coupling to a polymeric coating.

Abstract: A novel primer composition, which is especially adapted for promoting the adhesion of thermosetting rubbers to substrates having exceptionally inert surfaces, such a nickel, stainless steel and organic resins is disclosed. The composition comprises: (A) 100 parts, by weight, of an organosilicon compound selected from the group consisting of (1) alkenyltrialkoxysilane and (2) mild hydrolyzates of (1); (B) 0.01-200 parts, by weight, of a platinum compound; (C) 0.1-100 parts by weight of an organic titanic acid ester; and optionally (D) a solvent.

Abstract: This invention relates to improved flexible laminates formed from at least one corona treated polyolefin or polyester film bonded to another polymeric or cellulosic film via an aqueous based laminating ink. The improvement in the flexible laminates resides in the aqueous based emulsion used to print and bond the respective films. The aqueous based emulsion is comprised of an acrylic interpolymer prepared by emulsion polymerizing alkyl(meth)acrylates, .alpha.,.beta.-unsaturated olefins, such as styrene and suitably substituted styrenes, and/or .alpha.,.beta.-unsaturated nitrites, such as acrylonitrile, with an amino(meth)acrylate, an amino (meth)acrylate or vinyl amine.

Abstract: A decorative sheet is obtained by a process which comprises superimposing a reinforcing plate, a second hot melt adhesive sheet, a porous decorating sheet, a third transparent hot melt adhesive sheet, and a transparent film in sequence on a first hot melt adhesive sheet, and then subjecting the laminate to heat pressing. The decorative sheet is then inserted into the mold. A base resin is then injected onto the back side of the first adhesive sheet of the decorative sheet.

Abstract: A polyamide resin comprising the reaction product obtained by the reaction of an acid component comprised of a major concentration of a dimer acid and minor concentration of a monobasic acid and an amine component comprised of a major concentration of a short-chain alkylenediamine, a first minor concentration of a medium-chain alkylenediamine and second minor concentration of a polyoxyalkylene diamine having a molecular weight greater than about 500 is provided. The polyamide resin is used to form a blend of containing the polyamide in a major amount by weight and a first minor amount by weight of a polar wax and a second minor amount by weight of a polyolefin elastomer. The composition is used to reinforce a footwear upper, e.g. as a print on box toe material.

Abstract: Elastomers are securely bonded to metal substrates using an aqueous adhesive solution containing a silane adhesive in combination with a phosphonium quaternary salt additive. The additive concentration is preferably between 15% and 40% of the silane concentration. The concentration of the silane and additive in the water base is preferably 2.7%, on a weight basis.

Abstract: A process for adhering hydrophilic surfaces and thermoset resin surfaces comprising coating the hydrophilic surface with an aqueous solution containing methylacrylato-chromium complex and poly(vinyl alcohol) is disclosed.

Abstract: A flexible, flame-bondable polyurethane-polyether block foam is prepared by a process in which at least one diol is added to the block foam.

Abstract: A needled mat adapted to reinforce a thermoplastic matrix material to form a composite, the mat including: (a) a plurality of discontinuous glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis and having a filament coating composition thereon which is compatible with a thermoplastic matrix material; and (b) a plurality of discontinuous glass fiber strands and having a strand coating composition thereon which is compatible with the thermoplastic matrix material, wherein the glass monofilaments and glass fiber strands are essentially uniformly distributed throughout the mat.

Abstract: Multilayered films produced by coextruding or laminating films comprised of at least one layer of polymethylpentene, at least one layer of a polyamide and an intermediate polymeric adhesive layer. The polyamide layer allows the polymethylpentene layer to be stretched up to 6 times its original length. Such a high orientation ratio for the mulitlayered film increases the mechanical strength and toughness properties of the film. The mulitlayered films are suitable for use as release films for high temperature composite applications such as printed circuit boards.

Abstract: An adhesive is provided for bonding cyanate ester composite parts together which is also plateable with metal once chemically etched. The adhesive comprises a polymeric matrix and a filler of cyanate ester polymer. The polymeric matrix comprises at least one polyepoxide resin and a curing agent, while the cyanate ester polymer filler is present in the adhesive as a powder. In practice, the present adhesive is applied to the surface of cyanate ester composite articles to be bonded and is allowed to cure at room temperature. Thereafter, the surface of the assembly is chemically etched and then plated with metal. The present adhesive enable the complete coverage of the cyanate ester composite assembly with the plated metal, including the adhesive bondlines.

Abstract: A semiconductor device assembly has a lead frame and a semiconductor device configured to be attached to each other. An adhesive is applied at room temperature through a stencil to the lead frame. The semiconductor device is urged against the adhesive to effect the attachment between the semiconductor device and the lead frame. The adhesive preferably is from about 75 percent to about 95 percent isobutyl acetal diphenol copolymer and from about 25 percent to about 5 percent, respectively, of titanium oxide.

Abstract: A method for low temperature attachment of components is provided which uses an electrically conductive adhesive. The electrically conductive adhesive may be defined by a substrate having numerous passageways through the substrate. The passageways are defined by a plurality of walls of the material making up the substrate. The walls are covered with a layer of conductive metal. The passageways at the outer surfaces are filled with a non-conductive pressure sensitive adhesive resin.

Abstract: The present invention provides a decorative lighting paper in which the printed matter can be easily discerned with clarity whether viewed with transmitted light or reflected light, and a method of manufacturing the said paper thereof. The paper according to the present invention comprises a substrate and a coating layer formed on at least one side of the substrate, the overall opacity of the paper being in the range of 50-75%, the brightness as measured from the one side is 80% or more, and the luster of the paper is 5-23%.

Abstract: An optical element manufactured by bonding a plurality of elements by hydrolysis product of alcoholate, metal acid ester or metal hydrate colloid, and a method for manufacturing the same are disclosed.

Abstract: A composition of matter useful as a hotmelt adhesive is provided. The adhesive comprises a polyamide based on dimerized fatty acid, preferably having an amine value of less than 2, and at least one heat stabilizer for polyvinyl chloride, preferably selected from the group consisting of alkyl tin carboxylate compounds and epoxy compounds. The heat stabilizer is preferably present in an amount of 0.2% to 10.0% by weight of the composition. Also provided is a method of using the composition as a hotmelt adhesive for polyvinyl chloride.