Abstract: A multilayer optical adhesive including a first viscoelastic or elastomeric adhesive layer and a second viscoelastic or elastomeric adhesive layer. A crosslinked or soluble resin layer may be disposed between the first viscoelastic or elastomeric adhesive layer and the second viscoelastic or elastomeric adhesive layer or the first viscoelastic or elastomeric adhesive layer may be immediately adjacent to the second viscoelastic or elastomeric adhesive layer. An interface between immediately adjacent layers is structured and there is a difference in refractive indices across the interface.

Abstract: The optical film with a pressure sensitive adhesive on both sides includes a first pressure sensitive adhesive layer having a thickness of 3 ?m to 30 ?m on first main surface of an optical film, and a second pressure sensitive adhesive layer having a thickness of 50 ?m or more on second main surface of the optical film. A first protective sheet and a second protective sheet are releasably attached on the first pressure sensitive adhesive layer and the second pressure sensitive adhesive layer, respectively. The residual stress of the second pressure sensitive adhesive layer S2 (N/cm2), the thickness of the first protective sheet Y (?m); and the thickness of the second protective sheet Z (?m) satisfy the following relationship: 20?Y?80; 45?Z; and Y+0.17 Z+10.6 S2?63.

Abstract: Described is a chiral liquid crystal polymer (CLCP) layer or pattern which comprises randomly distributed craters of controlled mean diameter and/or density. The density and/or mean diameter of the craters can be controlled, for example, by adjusting the wetting of a substrate by a CLCP precursor composition, the development time of the precursor composition, and the thickness of the applied precursor composition.

Abstract: A heat-debondable adhesive article having two opposing sides is provided that includes a shape-memory polymer sheet in its temporary strained shape that includes a plurality of slits therein and a first adhesive on one opposing side of the polymer sheet and a second adhesive on the other opposing side of the polymer sheet. The provided article, optionally, includes a first substrate in contact with the first adhesive and a second substrate in contact with the second adhesive. The article can be debonded by heating the article to a temperature equal to or greater than a transition temperature for the shape-memory polymer sheet.

Abstract: A tabbed seal as well as a method of manufacture is provided for sealing containers such as bottles, jars and the like. The tabbed seal is formed with a lower sheet-like structure having a non-foam, heat-distributing layer thereon.

Abstract: Examples of computing devices including a processor, memory, and a display device housed within the same enclosure are described. In examples, the display device, which may include a cover glass, may be attached to the enclosure using a multilayer adhesive member, the multilayer adhesive including a first adhesive layer and a second adhesive layer disposed on opposite sides of a foam layer. The first and/or second adhesive layers may include two or more layers of a pressure sensitive adhesive (PSA), which may be separated using one or more adhesive carrier films. In examples, the first and/or second adhesive layers may include a low tack (e.g. removable) PSA for adhering to surfaces of the display and enclosure and for facilitation removal and re-workability of the adhesive joint.

Abstract: Provided is an adhesive sheet comprising a support substrate, an adhesive agent layer (X), a continuous void-containing layer composed of a composition containing an adhesive agent and silica particles, and an adhesive agent layer (Y) that are laminated in this order, wherein the adhesive sheet that has a content by mass of the silica particles in the continuous void-containing layer of 25 to 60%; and when affixed to a surface of various plastic molded articles, the adhesive sheet prevents swelling or lifting, in other words, blistering after a lapse of time, to allow the surface of its support substrate to be smooth and to have an excellent appearance, wherein the adhesive sheet can exhibit excellent blister resistance regardless of the type of adhesive agent, and is furthermore easy to manufacture.

Abstract: Provided is a conductive adhesive tape comprising: a substrate that is formed in a nano-web form having a number of pores by spinning a polymer material by a spinning method; and a conductive adhesive layer that is formed in a non-porous form by directly spinning a conductive adhesive material by a spinning method on one or both surfaces of the substrate, or that is laminated on one or both surfaces of the substrate. Accordingly, thickness of the adhesive tape can be made thin, adhesive strength of the adhesive tape can be enhanced, and the adhesive tape can be precisely attached on even a curved surface. Further, when removing the adhesive tape from components, the adhesive layer can be prevented from remaining on the surface of the components.

Abstract: A magnetic label stock tape that is less prone to damage during handling in labeling machines, storage, shipping, etc.

Abstract: The present invention relates to a sealing device (1) comprising a barrier layer (2) and an adhesive layer (3), and which is suitable for sealing bases in the building sector. The adhesive layer comprises a polymer P2, the polymer P2 being polyethylene (PE), polypropylene (PP) or a copolymer of ethylene and propylene, and a polyolefin-based polymer P3, the polymer P3 having at least one functional group which is selected from the group consisting of carboxylic acids, OH-groups, anhydrides, acetates and glycidyl methacrylate, and azo-dicarbonamide A. The invention further relates to a method for sealing the said bases. The method according to the invention allows structures of civil engineering to be sealed rapidly and efficiently and ensures good adhesion of the sealing device on the base.

Abstract: Provided is a novel double-sided adhesive sheet for image display device which can be bonded to the adhesion surface in close contact without space therebetween although there is a step due to printing or the like on the adhesion surface to be bonded to the adhesive sheet. The double-sided adhesive sheet for image display device 1 of the invention is a sheet to bond any two adherends selected from a surface protective panel 2, a touch panel 3, and an image display panel, and the sheet is characterized in that at least one of the adherends (surface protective panel 2) has a stepped portion 2b on an adhesion surface 2a to adhere to the double-sided adhesive sheet 1 and the surface shape of the bonding surface 1a of the double-sided adhesive sheet 1 to be bonded to the adhesion surface 2a is shaped in accordance with the surface shape of the adhesion surface 2a.

Abstract: Methods for bonding substrates, forming assemblies using the same, along with improved methods for refurbishing said assemblies are disclosed that take advantage of at least one channel formed in an adhesive utilized to join two substrates to improve fabrication, performance and refurbishment of the assemblies. In one embodiment an assembly includes a first substrate secured to a second substrate by an adhesive layer. The assembly includes a channel having at least one side bounded by the adhesive layer and having an outlet exposed to an exterior of the assembly.

Abstract: A peel-and-set tile system is disclosed for being installed onto a substrate, along with a corresponding method of manufacture and installation. The system provides, in an exemplary embodiment, a tile body. An underside surface of the tile body provides a contact adhesive array for securing the tile body to the substrate, the contact adhesive array being positioned and configured for forming a perimeter gasket continuously about a perimeter of the underside surface of the tile body when it is secured to the substrate. A peel-away release liner is applied over the contact adhesive array and configured to be removed therefrom when the tile body is to be installed onto the substrate. When the tile body is secured to the substrate, the perimeter gasket forms a bond that substantially prevents liquid or contaminants from getting between the underside surface of the tile body and the substrate or compromising the installation.

Abstract: This invention provides a PSA sheet comprising a PSA layer (A) constituting an adhesive face and a viscoelastic layer (B) supporting the PSA layer (A). The PSA layer (A) comprises, as a base polymer (A), a block copolymer of a monovinyl-substituted aromatic compound and a conjugated diene compound. The base polymer (A) comprises 30% by mass or more of a diblock copolymer. The viscoelastic layer (B) has a thickness of 200 ?m or larger.

Abstract: An adhesive tape system, for opening cardboard packaging, having an adhesive tape A furnished on at least one side with an adhesive coating and having a film carrier, the film being a polyolefin film oriented monoaxially in the longitudinal direction of the strip, and the film comprising a mixture of an olefinic polymer and a polar nonolefinic polymer. The adhesive tape system also has an adhesive tape B furnished on at least one side with an adhesive coating and having a film carrier, wherein the adhesive tapes A and B are disposed one above the other.

Abstract: A paste for an NFC magnetic sheet is provided, which comprises: a magnetic powder; an organic carrier; and a nanoscale alumina powder; wherein a weight ratio of the nanoscale alumina powder to the magnetic powder ranges from about 0.0005 to about 0.005. A method of preparing the paste for the NFC magnetic sheet and an NFC magnetic sheet are also provided.

Abstract: Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process.

Abstract: Generally discussed herein are systems and apparatuses that can include a base with one or more recesses therein. The disclosure also includes techniques of making and using the systems and apparatuses. According to an example a technique of making a releasable core panel can include providing a releasable core, the releasable core including a first conductive foil integrally coupled with a base at a first side of the base and a first side of the conductive foil, the first conductive foil situated in a first recess in the first side of the base. The technique can include releasably coupling a second conductive foil to a second side of the first conductive foil through a temporary adhesive layer integrally coupled to a first side of the second conductive foil, the second side of the first conductive foil opposite the first side of the first conductive foil.

Abstract: A dry adhesive backed flooring for being installed in a flat orientation on a subfloor, the flooring including a sheet flooring material and a double-sided sheet adhesive married to the flooring material. The installed flooring is substantially free of bubbles and wrinkles and the flooring remains substantially flat as initially applied and does not significantly rise from the subfloor, bubble or otherwise detach from the subfloor under normal use conditions for the flooring.

Abstract: A heat transfer label comprising a support portion and a transfer portion for transfer of the transfer portion from the support portion to an article. Heat is applied to the support portion while the transfer portion is placed into contact with the article. The support portion comprises a release layer including a synthetic wax.