The present disclosure relates generally to plaster wall panels, for example, suitable for covering interior wall frames. The present disclosure relates more particularly to a plaster wall panel including a first plaster layer, a second plaster layer, and a damping layer disposed between the first and second plaster layers. The first plaster layer has a first thickness and is composed of a first plaster material that has a first material property. The second plaster layer has a second thickness and is composed of a second plaster material that has a second material property. The first thickness is smaller than the second thickness, and the first and second material properties are different.

An adhesive sheet is a thermally expandable and thermosetting adhesive sheet including a substrate and a first layer provided on at least one surface of the substrate. The first layer contains an adhesive portion having an adhesive composition and thermally expandable first particles contained within the adhesive composition, and second particles provided in the adhesive portion and having different materials from those of the first particles, and each of the second particles is larger than each of the first particles.

Described herein is a process for producing insulated pipes including providing a media pipe and a film hose continuously formed from a film or a media pipe and a jacketing pipe, wherein the media pipe is arranged inside the film hose or the jacketing pipe and a slot is formed between the media pipe and the film hose or jacketing pipe, wherein an adhesion promoter is applied to the surface of the media pipe facing the film hose or the jacketing pipe, introducing a polyurethane system at least including an isocyanate component (a) including at least one isocyanate, a polyol component (b), and at least one catalyst into the slot before the adhesion promoter is fully cured, and foaming and curing the polyurethane system. Also described herein are insulated pipes obtainable or obtained by such a process.

The present disclosure generally relates to conformable adhesive articles that are capable of attaching or adhering to a substrate and that can be removed from the substrate without causing damage to the substrate. The present disclosure also generally relates to methods of making and using such adhesive articles. In some embodiments, the adhesive article includes (1) a releasable layer having a first major surface and a second major surface; the second major surfaces including a pressure sensitive adhesive capable of adhering the adhesive article to a surface; and (2) a compliant layer having a first major surface and a second major surface; the second major surface of the compliant layer adjacent to the first major surface of the releasable layer. In some embodiments, the releasable layer debonds from both the surface and the compliant layer when the adhesive article is stretch released at an angle of less than 35 degrees.

An object of the present invention is to provide a thin volume hologram sheet to be embedded sufficiently resistant to a mechanical stress such as a stress including a tensile stress, a shear stress and a compression stress at the time of processing even under a heating condition, a forgery prevention paper and a card using the same. The object is achieved by providing a volume hologram sheet to be embedded comprising a volume hologram layer, and a substrate disposed only on one side surface of the volume hologram layer using an adhesion means, wherein a peeling strength of the volume hologram layer and the substrate is 25 gf/25 mm or more.

An object of the present invention is to provide a prepreg and a laminate for producing a laminate suitable as a structural material, which have excellent compressive strength and interlaminar fractural toughness values, and can be firmly integrated with another structural member by welding. The present invention provides a prepreg including the following structural components [A] reinforcing fibers, [B] a thermosetting resin, and [C] a thermoplastic resin, in which [B] has a rubbery state elastic modulus of 10 MPa or more at a temperature obtained by adding 50° C. to a glass transition temperature in a state in which a degree of cure is 90% or more, [C] is present in a surface of the prepreg, and the reinforcing fibers [A] are present, which are included in a resin area including {B] and a resin area including [C] across an interface between the two resin areas.

Embodiments of the disclosure relate to a glass article. The glass article includes a glass sheet having a first major surface and a second major surface. The second major surface is opposite to the first major surface. The glass article also includes a frame made of a plastic material. The plastic material has a coefficient of thermal expansion (a) having units of ppm/° C. The glass article further includes an adhesive bonding the second major surface of the glass sheet to the frame. The adhesive has a shear modulus (G) having units of MPa. The plastic material of the frame and the adhesive are selected such that G≤500,000 α.sup.−3.

A plurality of different sized and shaped lightweight, shielded enclosures can be configured from a plurality of lightweight, shielded walls that attenuate one or more electromagnetic frequencies.

An adhesive composite is provided that may include a substrate and an adhesive layer overlying the substrate. The adhesive layer may include at least a first region of a high Tg adhesive material and a second region of a low Tg adhesive material. The first region of the adhesive layer may be co-planar with the second region of the adhesive layer. The high Tg adhesive material may include a first glass transition temperature Tg1 and the low Tg adhesive material may include a second glass transition temperature Tg2, where Tg1 is greater than Tg2.

An interlayer film for a laminated glass, containing in sequence an A layer, a C layer, and an A layer, and also containing a B layer at any place between or outside these layers, wherein each A layer contains a first thermoplastic resin, a resin material constituting each A layer has a tan δ peak of −30° C. to 10° C., the resin material of at least one layer of the A layers has a peak height of a tan δ of 1.5 or more, the B layer contains a second thermoplastic resin, and is constituted of a resin material different from the resin material constituting the A layer, and the C layer is a layer composed of an inorganic glass having a thickness of 0.1 mm to 1.5 mm, or a layer having a thickness of 0.25 mm to 2.5 mm and containing a third thermoplastic resin.