Anti-icing stacks for protecting an aerodynamic surface are described. In some embodiments, an anti-icing stack includes an anti-icing layer, an elastomeric erosion protection layer, and an additional layer. The erosion protection layer is disposed between the anti-icing layer and the additional layer. The additional layer has a thickness greater than the thickness of the erosion protection layer and a tensile modulus of no more than the tensile modulus of the erosion protection layer. The additional layer may be a foam adhesive layer.

A user positioning apparatus is provided including a malleable pad including a first gel elastomer. The first gel elastomer is releasably connectable to the second gel elastomer, and an adhesive layer is connected to the second gel elastomer. Further provided is a user positioning method. The user positioning method includes providing a malleable pad including a first gel elastomer, providing a platform, connecting the malleable pad to the platform via the first gel elastomer, providing a user, and positioning a body part of the user on the malleable pad. Further provided are a releasable fastening system, a releasable band, and a method for connecting a user to a platform. Further provided is a user positioning device including a malleable pad including a gel elastomer, the gel elastomer including a reaction product of a composition including an isocyanate prepolymer and a polyether polyol.

Aspects of the present disclosure provide for composite structures including a bonding layer that adheres a substrate (e.g., including a polymeric composition such as rubber) to a material (e.g., including a polymer such as polyurethane). The adhesion of the substrate to the material through the bonding layer can include chemical bonds such as, but not limited to, siloxane linkages, silanol linkages, silyl linkages, or any combination thereof in the bonding layer.

A convenient sports tape, comprising a package body and a tape body; the package body has at least one transparent top sheet, a bottom sheet matching the top sheet with its edge connected to that of the top sheet, and a housing space formed between the top sheet and the bottom sheet, the housing space can store and clamp the tape body; the tape body is provided with at least one adhesion section, and a positioning section configured on one end of the adhesion section; the tape body has three layers in total, made up of a tape layer, an adhesive layer, and a releasing layer of the same shape; the tape layer can be configured according to the marbling of lean flesh.

A polyurethane film comprising a polyurethane resin and graphene, wherein the graphene is present in an amount of 1 to 30% by weight on the total weight of the film and consists of graphene nano-platelets, wherein at least 90% has a lateral dimension (x, y) of 50 to 50000 nm and a thickness (z) of 0.34 to 50 nm, wherein the lateral dimension is always greater than the thickness (x, y>z), wherein the C/O ratio is ≥100:1, and a preparation process thereof.

A double-sided tape including: a first adhesive layer including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black; a foamed polymer layer disposed on the first adhesive layer, including a urethane foam; an interlayer polymer layer disposed on the foamed polymer layer, including a polyolefin (PO), polyethylene terephthalate (PET), a polyester, or a combination thereof; and a second adhesive layer disposed on the interlayer polymer layer, including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black, wherein an overall thickness of the double-sided tape is in a range of about 0.4 millimeters to about 1.3 millimeters.

A polyurethane foam may include an isocyanate polymer component and a polyol component. The polyol component may include a polyol having a molecular weight of at least about 500 kg/mol and not greater than about 6000 kg/mol. The polyurethane foam may have an elongation of at least about 500%. The polyurethane foam may further have a density of at least about 250 g/L and a tensile strength of not greater than about 1000 kPa.

Provided are adhesive articles that include a silicone adhesive and a substrate, with a primer layer interposed between the silicone adhesive and the substrate. The primer layer includes a polymer having a polyorganosiloxane pendant group P represented by the formula (I) where each R.sup.1 is independently an alkyl, haloalkyl, arylalkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo; R2 is an alkyl or an alkenyl group; R3 is an alkylene or an arylalkylene group; and n is an integer in the range of 1 to 20. The primer layer typically improves the adhesion between the silicone adhesive and a wide variety of substrates.

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A battery packaging material that is excellent in electrolytic solution resistance and ink printing characteristics of the surface. A battery packaging material comprising a laminate having at least a protective layer, a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein a maximum value A of absorbance detected in an infrared wavenumber range of 2800 to 3000 cm.sup.−1 and a maximum value B of absorbance detected in an infrared wavenumber range of 2200 to 2300 cm.sup.−1 satisfy the relation: 0.05≤B/A≤0.75, as measured from an outermost surface of the protective layer, using attenuated total reflection Fourier transform infrared spectroscopy.

The present disclosure discloses an optical clear adhesive and a display device. The display device includes: a flexible display panel having at least one foldable area; and an optical clear adhesive disposed on at least one side of the flexible display panel. The optical clear adhesive includes: a substrate layer, a first adhesive material structure and a second adhesive material structure disposed on two opposite sides of the substrate layer, all of which are transparent materials; a deformation recovery rate of the substrate layer is greater than that of each of the first adhesive material structure and the second adhesive material structure; and in the optical clear adhesive, the first adhesive material structure is closer to an inner folding side of the foldable area of a display panel, and the second adhesive material structure is closer to an outer folding side of the foldable area of the display panel.