Patent classifications
B32B2037/1253
Dual-curable adhesive composition, use thereof, and process for bonding substrates
The present invention provides a dual-curable adhesive composition, comprising: component (a): an epoxy resin; at least one selected from component (b) and component (c), wherein component (b) is a (meth)acrylate monomer, and component (c) is an oligomer containing a (meth)acryloxy group; component (d): a thermal polymerization catalyst which catalyzes the thermal polymerization reaction of component (a); and component (e): a photo polymerization initiator which initiates the photo polymerization reaction of component (a) and at least one selected from component (b) and component (c), wherein component (e) is a mixture of a cationic photo polymerization initiator and a radical photo polymerization initiator. The dual-curable adhesive composition of the present invention is used for bonding or laminating a transparent substrate with another transparent substrate, or bonding or laminating a transparent substrate with a non-transparent substrate. The present invention also provides a process for bonding substrates.
Methods for bonding metal and thermoplastic components
A method for bonding components is provided. The method includes preparing a surface of a metal component, applying a film adhesive to the prepared surface, forming a thermoplastic component using injection molding such that the film adhesive is positioned between the metal component and the thermoplastic component, and curing the film adhesive.
Optically anisotropic sheet
The present invention relates to an optically anisotropic sheet comprising a substrate and a liquid crystal cured layer laminated together, wherein the substrate has a surface roughness of 1.0 nm or less in a field of view of 1 μm.sup.2 and a water contact angle of 70° or more.
1K High Temperature Debondable Adhesive
The present disclosure provides 1k high temperature debondable adhesives for use in the temporary attachment of one substrate to another substrate. The adhesives composition comprising(a) 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane, or the hydrosilation reaction product of the reaction between the vinyl groups on 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane and the terminal Si—H hydrogens on a silane or siloxane having terminal Si—H groups, or a mixture of a hydrosilation reaction product of the reaction between the vinyl groups on 1,3,5,7-tetravinyl-1,3,5,7-tetramethylcyclotetrasiloxane and the terminal Si—H hydrogens on a silane or siloxane having terminal Si—H groups and a hydrosilation reaction product of the reaction between the vinyl groups on vinyl polysiloxane and the terminal Si—H hydrogens on a silane or siloxane having terminal Si—H groups, and (b) mercapto-crosslinker. The adhesive composition is cured by UVNis/LED or thermal or combined and is cured faster requiring lower energy. The present disclosure also provides assemblies including such an adhesive and methods of using the adhesives.
ACOUSTIC PANEL FOR AIRCRAFT NACELLE, AND METHOD OF MANUFACTURING THE ACOUSTIC PANEL
An acoustic panel for an aircraft nacelle includes a cellular layer configured to trap noise, a backplate fixed to one surface of the cellular layer and a facesheet fixed to another, opposite, surface of the cellular layer. The facesheet includes a layer of a preimpregnated woven material containing weft yarns spaced apart from one another and warp yarns spaced apart from one another so that the facesheet exhibits openings between the yarns.
METHOD FOR PRODUCING PRINTED WIRING BOARD
Printed wiring boards with reduced curing unevenness and the like may be produced by (A) preparing an adhesive sheet having a support and a resin composition layer provided on the support, (B) laminating the adhesive sheet on an internal layer substrate so that the resin composition layer is in contact with the internal layer substrate, and (C) thermally curing the adhesive sheet by heating from T1 (° C.) to T2 (° C.), to form an insulating layer, wherein the adhesive sheet is thermally cured so that a relation of Y>2700X is satisfied in which X is the sum of a difference between a maximum expansion rate of the support in the MD direction during heating from T1 (° C.) to T2 (° C.) and an expansion rate of the support at the end of heating and a difference between a maximum expansion rate of the support in the TD direction during heating from T1 (° C.) to T2 (° C.) and an expansion rate of the support at the end of heating and Y is the lowest melt viscosity of the resin composition layer at 120° C. or higher.
Curable composition suitable for the bonding of plasticized PVC
A composition includes methyl methacrylate MMA, at least one elastomer or a core-shell polymer, and at least one radical former, as an adhesive, sealant or coaling for gluing, sealing or coaling substrates containing plasticized PVC.
ON DEMAND RADIATION INDUCED CONSTRUCTIVE AND DECONSTRUCTIVE CHEMICAL REACTIONS
A method is provided for decomposition of a polymeric article, wherein the polymeric article contains a polymer and one or more energy modulation agents, by applying an applied energy to the polymeric article, wherein the one or more energy modulation agents convert the applied energy into an emitted energy sufficient to cause bond destruction within the polymer.
DEVICE FOR ABSORBING SOUND WITHIN THE CABIN OF VEHICLE
A sound absorbing mat comprising a first polyurethane open cell polyester layer, wherein the first polyurethane open cell polyester layer is at least one quarter of an inch thick, a polyvinyl chloride layer having a top surface and a bottom surface, wherein the polyvinyl chloride layer is at least a quarter inch thick and the bottom surface is fused to the first polyurethane open cell polyester, a second polyurethane open cell polyester layer having a top surface and a bottom surface, wherein the second polyurethane open cell polyester layer is at least three quarters of an inch and the bottom surface of the second polyurethane open cell polyester layer is fused with the top surface of the polyvinyl chloride layer, and a urethane layer, wherein the urethane layer is at least a quarter inch thick and is mated to the top surface of the second polyurethane open cell polyester layer.
Inflatable bladders for use in footwear and other articles of manufacture
The present invention is a method for manufacturing inflatable bladders for use in articles of manufacture. The method includes the steps of providing a first polymer film, applying a curable release coating to the polymer film in a pattern that corresponds to the configuration of the inflatable bladder, curing the release coating to the first polymer film, providing a second polymer film with the first polymer film to form a layered element such that the release coating is disposed between the polymer films, positioning the layered element between two plies of material, applying heat and pressure to adhere the polymer films together except in the area where the release coating has been applied to form an inflatable compartment surrounded by a sealed perimeter, and removing the plies of material from the adhered first and second polymer films.