A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 10.sup.5 Hz.

An adhesive article that remains securely bonded to a substrate until a stimuli is applied. The article may be embodied as an adhesive tape, a bandage, or as other articles. The stimuli may be a change in temperature or application of a reduction that causes a structure within the article to break, creak, or otherwise disrupt to expose the adhesive to a solvent, such as via a difference in Coefficient of Thermal Expansion (CTE) or by exposing the article to a glass transition temperature.

A decorative sheet according to one aspect of the present disclosure comprises a decorative plate and an adhesive layer disposed on a first side of the decorative plate. The decorative plate comprises (A) a decorative layer disposed on a second side from the first side, (B) a core layer made of a prepreg containing a fiber base material, and (C) a balancing layer including mixed paper containing an endothermic metal hydroxide as a base material.

A multi-layer plastic film as a carrier film for a glue layer, comprising a layer sequence of (a) an outer layer (a) based on a mixture of ) 3-15 wt % of an extrudable glue and ) 85-97 wt % of at least one C.sub.2-C.sub.8 olefin-alkyl acrylate copolymer, C.sub.2-C.sub.8 olefin-methacrylic acid copolymer and/or C.sub.2-C.sub.8 alkyl methacrylate copolymer, wherein the mixture of ) and ) must be compatible with each other, (b) a layer (b) of at least one polyolefin or one olefin copolymer, (c) a layer (c) of at least one polyolefin or one olefin copolymer, and optionally typical auxiliary substances, as a second outer layer, and composites of said carrier film and an adhesive layer.

The purpose of the present invention is to provide a transfer sheet capable of providing hard coat properties and excellent weather resistance to a resin molded article such as organic glass. The transfer sheet has, in order, a base material film for mold release, a hard coat layer, a primer layer, and an adhesive layer. The weather resistance and adhesiveness of the hard coat layer and the primer layer are improved and hard coat properties and excellent weather resistance can be provided to a resin molded article being the transfer object, as a result of: the hard coat layer being formed from a cured product of a resin composition including a curable resin; and the primer layer being formed from a binder resin including a polyurethane having a mass-average molecular weight of 40,000-100,000 and including 1-30% by mass of an acrylic component.

Barrier adhesive compositions include at least one polyisobutylene-containing polymer and a curable silsesquioxane additive. The curable silsesquioxane additive may contain free radically polymerizable groups. Barrier film articles include the barrier adhesive compositions and a film. The barrier film articles can be used to encapsulate organic electronic devices.

An adhesive composition and a polarizing plate including an adhesive layer formed using the same are disclosed herein. In some embodiments, an adhesive composition includes 3-ethyl-3-(2-ethylhexyloxy)methyloxetane, 3-ethyl-3-hydroxymethyloxetane, 3,3-oxybis(methylene)bis(3-ethyloxetane), an acryl-based compound, an aromatic epoxy compound, and an alicyclic epoxy compound, wherein the 3-ethyl-3-(2-ethylhexyloxy)methyloxetane is present in an amount of 20 parts by weight to 40 parts by weight, the 3-ethyl-3-hydroxymethyloxetane is present in 2 parts by weight to 8 parts by weight, the 3,3-oxybis(methylene)bis(3-ethyloxetane) is present in 2 parts by weight to 8 parts by weight, the acryl-based compound is present in 5 parts by weight to 20 parts by weight, the aromatic epoxy compound is present in 7 parts by weight to 40 parts by weight, and the alicyclic epoxy compound is present in 10 parts by weight to 50 parts by weight, based on 100 parts by weight of the adhesive composition.

Pressure sensitive adhesive articles include a substrate, and a layer of pressure sensitive adhesive in contact with the substrate. The pressure sensitive adhesive layer includes a pressure sensitive adhesive matrix, and at least one active enzyme dispersed within the pressure sensitive adhesive matrix. The active enzyme remains active for extended periods of time.

The adhesive tape includes: a resin layer that is formed by applying resin coating, the resin coating containing a resin having an acid number of 50 mg/g or more and 130 mg/g or less, and at least one type of cross-linking agent selected from between an epoxy-based cross-linking agent and a metal chelate cross-linking agent; and an adhesive layer that is laminated on or above the resin layer, and is formed by applying adhesive coating, the adhesive coating containing a resin including a hydroxyl group, and a metal chelate compound.

A pressure-bonding adhesive member having a superior positional-adjustment function relative to an adherend having a surface mainly constituted of low-polarity plastic typified by polypropylene, and capable of adhering to the adherend with a sufficiently high adhesive force after positional adjustment. The pressure-bonding adhesive member containing an adhesive layer and plural convex parts formed on one surface of the adhesive layer, wherein, when the convex parts are in contact with a polypropylene plate and the adhesive layer is not in contact with the polypropylene plate, the adhesive member shows a frictional force of not more than 0.6 N/cm.sup.2 on the polypropylene plate and a shear adhesive force of not less than 50 N/cm.sup.2 to the polypropylene plate.