The invention relates to a foamed adhesive mass layer comprising a) 41.7 to 62.0 wt. % of an elastomer component, b) 37.7 to 58.0 wt. % of an adhesive resin component, c) 0 to 15 wt. % of a soft resin component, d) 0 to 18 wt. % further additives, and e) microballoons with a proportion of preferably 0.3 to 2.5 wt. %, preferably 0.5 to 2.0 wt. % and particularly preferably 0.7 to 1.7 wt. %, wherein the microballoons are at least partially expanded, wherein the elastomer component (a) consists of up to at least 90 wt. % polyvinyl aromatic compound polydine block copolymer, wherein the adhesive resin component (b) contains up to 4 to 100 wt. % of at least one type K1 if a rosin oligomer with a softening temperature (Ring & Ball, Test VI) of at least 90° C., and wherein the density (Text IX) of the foamed adhesive mass layer is at least 600 kg/m.sup.3 and max. 920 kg/m.sup.3.

The present invention provides a filament-bearing tape. The filament-bearing tape extends longitudinally and comprises a flexible substrate having a first edge and a second edge parallel to the first edge, and having top and bottom surfaces. The tape also has a filament that is encompassed in the top surface of the substrate, parallel to the edges of the substrate.

Provided is an acrylic emulsion pressure-sensitive adhesive composition, and more particularly, an acrylic emulsion pressure-sensitive adhesive composition which may realize excellent adhesive properties, and may maintain excellent adhesive strength even after aging, in particular, when applied to a curved surface of an adherend, and thus may be usefully applied to labels for bottles, etc.

An adhesive tape with high repeelability from the state that a portion of the adhesive tape has already been peeled from an adherend is provided. The adhesive tape includes a substrate layer and an adhesive layer. The substrate layer has a breaking stress in a range of 1 to 90 MPa and an elongation at break in a range of 400% to 3000%. The adhesive tape satisfies the following relational expression (i): [Math. 1] P.sub.400/P.sub.0≤0.9 (i). P.sub.0 denotes an initial cleavage strength N/cm.sup.2 of the adhesive tape, and P.sub.400 denotes a cleavage strength N/cm.sup.2 when the adhesive tape is stretched by 400%.

This invention provides a laminate sheet with release film laminated to an adhesive face that is highly thermoformable and suitable for use in an application where after pre-thermoformed, the release film is removed and the adhesive face is applied to an adherend. Provided is a laminate sheet comprising a sheet of a PSA body as well as first and second films laminated on first and second faces of the PSA body. The second film comprises a resin film and a release layer provided at least to the PSA body side surface of the resin film while satisfying the following conditions: having a Young's modulus at 85° C. of 500 MPa or greater, and having a Young's modulus at 120° C. of 500 MPa or less.

A dual lap high strength adhesive for sheet membrane application, having reflectivity granular particle layer to fully bond to concrete/shotcrete, and a method of making, and using same. More particularly, the invention encompasses a below grade, blind side, waterproofing sheet membrane with an inventive high strength adhesive, and having at least one layer of reflectivity granular particle layer that are partly embedded into the adhesive layer, and where the average reflectivity of the exposed granular particles is below 55 percent reflectivity on a standard reflectivity scale. The innovative reflectivity granular particle layer system that is securely bonded to concrete or shotcrete can be used along a wall, a floor, a ceiling, or along any structure which requires water or moisture proofing. The inventive high strength adhesive is along at least one edge of the sheet membrane, and could also be used to embed the reflectivity granular particle.

Provided is a foam sheet that can raise an electrostatic capacitance at the time of compression, and hence can improve sensitivity when used for an electrostatic capacitance sensor. The foam sheet includes: a foam layer; and a pressure-sensitive adhesive layer arranged on at least one side of the foam layer, wherein the foam sheet has a dielectric constant increase amount Q-P at 10% compression of 0.2 (F/m) or more, where P (F/m) represents a dielectric constant of the foam sheet immediately after the foam sheet has been left at rest under conditions of a temperature of 23° C. and a humidity of 50% for 2 hours, and Q (F/m) represents a dielectric constant of the foam sheet at a time when the foam sheet is compressed by 10% immediately after being left at rest under the conditions of a temperature of 23° C. and a humidity of 50% for 2 hours.

Optical bodies are described. In particular, optical bodies having a birefringent multilayer optical film and a continuous adhesive layer with a thickness less than 20 micrometers are described. Optical bodies described herein exhibit reduced occurrence and severity of a non-uniformity defect known as “orange peel.”

Pressure-sensitive adhesive compositions that contain polymer microspheres with an average particle size of 20 μm to 100 μm, the polymer microspheres synthesized using the disclosed suspension polymerization techniques and include at least three structural isomers of a secondary (meth)acrylate of Formula (I), where R.sup.1 and R.sup.2 are each independently H or a C.sub.1 to C.sub.10 saturated linear alkyl group, the sum of the number of carbons in R.sup.1 and R.sup.2 is 7 to 18, inclusive, and R.sup.3 is H or CH.sub.3. The disclosed pressure-sensitive adhesive compositions may be used in masking articles to provide holding power to, clean paint-lines on, low surface energy adhesion to, and excellent damage-free removal from painted surfaces.

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A cross-linked polyolefin resin foam of the present invention has a total light transmittance and a thickness that satisfy a predetermined condition, and has a reflection color difference Δ* of −10 to 16, a reflection color difference Δa* of −3 to 3, and a reflection color difference ΔL* of 50 or more. According to the present invention, there can be provided a cross-linked polyolefin resin foam that can suppress a change in color tone of transmitted light while ensuring transparency, and a pressure-sensitive adhesive tape, layered product, formed product, and display member that include such a cross-linked polyolefin resin foam.