The invention relates to a textile protective material, in particular providing protection against radioactive harmful and/or toxic substances and/or against biological harmful and/or toxic substances and/or against chemical harmful and/or toxic substances, preferably a textile adsorption filter material, and to a method for the production thereof. The textile protective material is suitable in particular for producing protective equipment and protective objects and filters and filter materials of all types.

Provided is a pressure-sensitive adhesive sheet that may be used for the grinding of a hard and brittle substrate in a backgrinding step for the hard and brittle substrate, the pressure-sensitive adhesive sheet being excellent in all of grinding accuracy, low contamination property, productivity, and fixing property. The pressure-sensitive adhesive sheet of the present invention includes a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer contains: a pressure-sensitive adhesive containing a base polymer; and a foaming agent having a foaming temperature of 90° C. or more, and wherein the pressure-sensitive adhesive sheet has, when a pressure-sensitive adhesive surface thereof is bonded to a silicon chip, a shear adhesive strength of 1.0 MPa or more under an ambient temperature of 25° C., and a shear adhesive strength of 0.2 MPa or more under an ambient temperature of 80° C.

Provided are: an acrylic adhesive sheet having a porous structure including a plurality of pores and having a water vapor transmission rate of 2,000 g/m.sup.2.Math.24 h to 3,500 g/m.sup.2.Math.24 h at 24° C. and 25% RH, and a porosity of 10% to 60%; and a medical adhesive tape including the same.

An ignition-suppressing tape for sealing cut edges of polymer panels, the tape having a backing strip and a sealant strip that is disposed on a portion of a surface of the backing strip, and a pressure sensitive adhesive is disposed on other portions of the same surface of the backing strip.

Provided is a laminated sheet including an upper paper layer and a release sheet layer, the upper paper layer including synthetic paper and an adsorbing layer, the synthetic paper, the adsorbing layer and the release sheet layer, in order, being laminated, wherein the adsorbing layer is a foam sheet of a resin composition, the resin composition containing crosslinking resultant of 100 parts by mass of a (meth)acrylic acid ester copolymer resin and 1 to 20 parts by mass of a carbodiimide crosslinking agent, the (meth)acrylic acid ester copolymer resin having a N-methylol group, a glass transition temperature of the (meth)acrylic acid ester copolymer resin being no more than −10° C., the release sheet layer consists of a thermoplastic resin sheet, and a rate of tensile elastic moduli is 0.1 to 10, the rate being calculated from a tensile elastic modulus of the upper paper layer and a tensile elastic modulus of the release sheet layer, and a peel strength of the adsorbing layer and the release sheet layer is 5 to 30 N/m, the laminated sheet using a new foamed resin layer having well-balanced properties, the amount of formaldehyde emitted from which is extremely small, as the adsorbing layer, the release sheet and the adsorbing layer having a proper release force.

Provided are a self-adsorbable foamed laminate sheet having excellent weather resistance and causing no paste residue, and a composition for a self-adsorbable foamed sheet used to obtain the self-adsorbable foamed laminate sheet. A composition for a self-adsorbable foamed sheet comprises: a copolymer containing an unsaturated carboxylic acid monomer unit and having a solubility parameter (SP value) of 9.7 (cal/cm.sup.3).sup.1/2 or less and a glass-transition temperature of −10° C. or less; and a crosslinking agent.

A liquid thermally expandable curable resin composition for use such as bonding by filling a clearance has difficulty in achieving both drying property and film forming property and also has a problem with storage stability. The problems were solved with a curable resin composition having the following composition. A curable resin composition comprises: (A) a film forming resin, (B) an epoxy resin, (C) an organic solvent, (D) thermally expandable particles, and (E) a curing agent ingredient for the (B). The (C) is selected from organic solvents having a boiling point of 100° C. or less and being liquid at normal temperature and contains a combination of (C-1) an ester-based solvent and (C-2) one or more solvents selected from ketone-based solvents, ether-based solvents, and glycol-based solvents, and a content ratio between the (C-1) and the (C-2) in a mass ratio is in a range of (C-1)/(C-2)=0.12 to 0.23.

An adhesive tape includes a substrate [I] and an adhesive agent layer of a polyester adhesive agent provided on at least one of opposite surfaces of the substrate [I]. The substrate [I] is one selected from a polyolefin resin foam substrate, a urethane resin foam substrate, and an acrylic resin foam substrate. The polyester adhesive agent is made from a polyester adhesive agent composition [II] which contains a polyester resin (A) having a weight average molecular weight of 5,000 to 300,000, and having a structural unit derived from a polyol and a structural unit derived from a polyvalent carboxylic acid compound containing an aromatic structure-containing compound in a proportion of not greater than 80 mol %. The adhesive tape is excellent in adherence between a polyester adhesive agent layer and a polyolefin resin foam substrate, a urethane resin foam substrate, or an acrylic resin foam substrate.

The present invention relates to a method for producing a layer of self-adhesive composition at least partially foamed with microballoons, wherein a foamable layer of self-adhesive composition comprising expandable microballoons and disposed between (i) two liners, (ii) a liner and a carrier, or (iii) a liner and a further layer of self-adhesive composition which (a) is not foamable or (b) is foamable and typically comprises expandable microballoons,
is heat-treated at a temperature suitable for foaming for a period such that after the subsequent cooling of the layer the desired degree of foaming is attained, characterized in that
the two liners or the liner during the foaming remain or remains adhering substantially completely on the respective surface of the foamable layer of self-adhesive composition on which they or it are or is disposed.

The present disclosure relates generally to a double-sided adhesive tape having improved impact strength for a display device. More particularly, the double-sided adhesive tape includes a base layer, a foam adhesive layer formed on one surface of the base layer and made of acrylic foam, and an adhesive layer formed on the other surface of the base layer. The double-sided adhesive tape having improved impact strength for the display device having the above structure in which the foam adhesive layer having excellent impact strength is formed, thereby suppressing occurrence of cracking on a glass surface of the display device due to external impacts and exhibiting an excellent waterproofing effect.