The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.

A channeled seam tape includes a liquid permeable facer sheet attached to an adhesive portion, where the adhesive portion defines a channeled portion. A removable liner covers the adhesive portion and can be removed to press the tape onto a pair of adjacent substrate surfaces. Once the tape has been pressed onto the substrate surfaces, the adhesive portion covers a gap located between the substrate surfaces and adheres to each substrate surface.

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 inch.sup.2 to about 4600 per inch.sup.2, said pores being uniformly distributed to form a flow path through the adhesive.

The invention relates to an adhesive tape, in particular wrapping tape, for sheathing automotive cables, having a textile support and at least one adhesive coating layer applied to one side or both sides of the textile support, and the textile support being manufactured entirely or partially from bio-based polymer fibers and/or polymer yarns, characterized in that the textile support is constituted of multi-weft yarns and/or multi-warp yarns.

Disclosed by embodiments of the present application are an optical adhesive tape and a display panel. The optical adhesive tape includes a first buffer layer and an opening disposed at a position corresponding to the fingerprint identification area and configured to penetrate the first buffer layer. The opening is filled with a removable filler including a second buffer layer.

A cover member of the present invention is a cover member to be placed on a face of an object to prevent passage of a foreign matter through an opening of the face, the cover member including: a protective membrane having a shape configured to cover the opening when the cover member is placed on the face; and a first substrate layer joined to one of principal surfaces of the protective membrane. The first substrate layer has a laminated structure including at least two substrate films, and is positioned between the protective membrane and the face when the cover member is placed on the face. The at least two substrate films include a non-foam film and a foam film. The cover member of the present invention is suitable for improving the peelability from a member supply sheet.

The present disclosure discloses a support film, an OLED display structure and a manufacturing method thereof The support film includes a first adhesive material layer and a first base material layer, which are stacked together, and a first release film therebetween.

The present invention relates to a threadlike adhesive body including a threadlike core material and an adhesive layer for covering a surface of the core material in a longitudinal direction, in which the core material contains a biomass-derived component, and the threadlike adhesive body has a biomass degree of 35% or more.

Laminate film structures including an adhesive layer having gas and moisture barrier properties are disclosed. The disclosed laminate film structures comprise films bonded together with an adhesive composition, the adhesive composition having barrier properties, e.g., controlling oxygen and/or water vapor transmission rates. The disclosed laminate film structures comprise films made from polymers and/or metallized polymers whereby the weight, thickness, and/or number of film layers has been reduced by using a barrier adhesive in place of a standard adhesive while still achieving similar barrier properties. Methods for forming laminate structures having a desired barrier performance are also disclosed, the methods comprising determining the desired barrier performance of the laminate structure, selecting a barrier adhesive, selecting two or more film layers, including at least a first film layer and a second film layer, applying the barrier adhesive on a surface of the first film layer, and bringing a surface of the second film layer into contact with the barrier adhesive applied on the surface of the first film layer, thereby forming the laminate structure having a desired barrier performance.

A method of preparing self-adhesive polyester elastomer composite membrane includes the following steps: mix methyl formate or ethyl acetate with thermoplastic polyester elastomer (TPEE) powder or granules; add a modifier, a photo initiator or a thermal initiator; continue mixing to prepare uniformed mixture; after drying uniformed mixture prepare a polyester elastomer membrane through an injection laminating process and apply pressure sensitive adhesive on one side of the polyester elastomer membrane. Prepared membrane poses good bonding characteristics to textile materials and can be used in production of clothing.