Abstract: The present invention is a paint coat-protecting removable pressure-sensitive adhesive sheet comprising a base sheet, and a pressure-sensitive adhesive layer that is provided on the base sheet, the pressure-sensitive adhesive layer being formed of an emulsion pressure-sensitive adhesive composition that includes an emulsion of an ethylene-vinyl carboxylate copolymer as a main component. The present invention provides a paint coat-protecting removable pressure-sensitive adhesive sheet that does not cause swelling, whitening, and adhesive transfer even when the pressure-sensitive adhesive sheet is attached to the surface of a paint coat that has not been sufficiently dried (i.e., contains a small amount of solvent) or has not been sufficiently cured after drying, and removed from the paint coat.

Abstract: The present invention provides an automotive wheel protection pressure-sensitive adhesive film comprising a base layer and a pressure-sensitive adhesive layer, the pressure-sensitive adhesive layer being formed of an acrylic-based pressure-sensitive adhesive that includes at least a (meth)acrylic-based polymer, a crosslinking agent, and a UV absorber, the (meth)acrylic-based polymer including a repeating unit derived from a monomer that includes a crosslinkable functional group, and a repeating unit derived from a C1-14 alkyl ester of (meth)acrylic acid. This automotive wheel protection pressure-sensitive adhesive film exhibits sufficient adhesion when transporting or displaying an automobile, and can be easily removed even after being exposed to an outdoor environment, and rarely allows an adhesive residue to remain.

Abstract: The present invention is a paint coat-protecting removable pressure-sensitive adhesive sheet comprising a base sheet, and a pressure-sensitive adhesive layer that is provided on the base sheet, the pressure-sensitive adhesive layer being formed of an emulsion pressure-sensitive adhesive composition that includes an emulsion of an ethylene-vinyl carboxylate copolymer as a main component. The present invention provides a paint coat-protecting removable pressure-sensitive adhesive sheet that does not cause swelling, whitening, and adhesive transfer even when the pressure-sensitive adhesive sheet is attached to the surface of a paint coat that has not been sufficiently dried (i.e., contains a small amount of solvent) or has not been sufficiently cured after drying, and removed from the paint coat.

Abstract: The present invention provides a high-gloss pressure-sensitive adhesive sheet according to which, even if a surface thereof becomes uneven due to grit or the like, the evenness can be recovered. In a pressure-sensitive adhesive sheet 1A comprising a substrate film 2A having a specular gloss Gs (60°) of not less than 80% and a pressure-sensitive adhesive layer 3, the substrate film 2A is made to have a storage modulus at some temperature between 70° C. and 90° C. in a range of from 1.0×101 to 2.8×102 MPa, and is preferably made to have a storage modulus at from 5 to 35° C. in a range of from 1.0×102 to 5.0×103 MPa.

Abstract: The present invention is a paint coat-protecting removable pressure-sensitive adhesive sheet comprising a base sheet, and a pressure-sensitive adhesive layer that is provided on the base sheet, the pressure-sensitive adhesive layer being formed of an emulsion pressure-sensitive adhesive composition that includes an emulsion of an ethylene-vinyl carboxylate copolymer as a main component. The present invention provides a paint coat-protecting removable pressure-sensitive adhesive sheet that does not cause swelling, whitening, and adhesive transfer even when the pressure-sensitive adhesive sheet is attached to the surface of a paint coat that has not been sufficiently dried (i.e., contains a small amount of solvent) or has not been sufficiently cured after drying, and removed from the paint coat.

Abstract: According to the present invention, a film having a tensile modulus of elasticity of 220 MPa or more is adopted as a surface substrate film for a motor vehicle brake disc antirust film. If needed, the surface substrate film is made to further contain an ultraviolet absorber in a proportion of 0.01 to 20 parts by mass relative to 100 parts by mass of the surface substrate film in such a way that the spectral transmittance of the surface substrate film in a wavelength region from 200 to 380 nm falls within a range from 0 to 20%. The present invention can provide a surface substrate film for a motor vehicle brake disc antirust film which surface substrate film is hardly peeled off when adhered onto a motor vehicle wheel.

Abstract: The present invention provides a pressure-sensitive adhesive film for adhering on a wheel which comprises a substrate film and a pressure-sensitive adhesive layer formed on one surface of the substrate film, and has a ring adhesive strength of 80 N or greater at one hour after the adhering, wherein the ring adhesive strength at one hour after the adhering indicates the exhibited maximum load as determined in a manner, which comprises adhering the pressure-sensitive adhesive film being circular with a diameter of 100 mm by means of the pressure-sensitive adhesive layer on a ring shaped coated aluminum frame of 100 mm outer diameter, 90 nm inner diameter and 5 mm width in an atmosphere of 23° C.

Abstract: According to the present invention, a pressure-sensitive adhesive for a motor vehicle brake disc antirust film, which comprises an acrylic resin based pressure-sensitive adhesive prepared by crosslinking an acrylic copolymer containing a unit based on a (meth)acrylamide based monomer and having a weight average molecular weight of 500,000 to 1,100,000 with a polyisocyanate compound by the utilization of the unit based on a (meth)acrylamide based monomer as a crosslinking base point. The pressure-sensitive adhesive for a motor vehicle brake disc antirust film can provide a motor vehicle brake disc antirust film which is hardly peeled off when adhered onto a motor vehicle wheel.

Abstract: A primer for adhesive sheets which comprises as a main component thereof an oligomer comprising a reaction product of a portion of an isocyanurate compound which is a trimer of tolylene diisocyanate and a polyol and has a number-average molecular weight in a range of 700 to 50,000; an article comprising an adhesive sheet attached to an adherend using a layer of the above primer as the intermediate layer; a process for producing an article attached with an adhesive sheet which comprises coating an adherend with the primer and attaching the adhesive sheet to the article when 1 minute to 24 hours has passed after the coating. Peeling and displacement of the adhesive sheet can be prevented and excellent properties can be maintained even when the adhesive sheet is attached to an article in a short time after the article is coated with the primer.

Abstract: The present invention provides a high-gloss pressure-sensitive adhesive sheet for which unevenness due to grit or the like is not prone to occur even when used outdoors. In a pressure-sensitive adhesive sheet 1A comprising a substrate film 2A having a specular gloss Gs (60°) of not less than 80% and a pressure-sensitive adhesive layer 3, the substrate film 2A is made to have a storage modulus at 50° C. in a range of from 5.0×102 to 7.0×103 MPa, a storage modulus at from 5 to 35° C. in a range of from 1.0×102 to 5.0×103 MPa, and a storage modulus at some temperature between 70° C. and 90° C. in a range of from 1.0×101 to 2.8×102 MPa.

Abstract: The present invention provides a high-gloss pressure-sensitive adhesive sheet according to which, even if a surface thereof becomes uneven due to grit or the like, the evenness can be recovered. In a pressure-sensitive adhesive sheet 1A comprising a substrate film 2A having a specular gloss Gs (60°) of not less than 80% and a pressure-sensitive adhesive layer 3, the substrate film 2A is made to have a storage modulus at some temperature between 70° C. and 90° C. in a range of from 1.0×101 to 2.8×102 MPa, and is preferably made to have a storage modulus at from 5 to 35° C. in a range of from 1.0×102 to 5.0×103 MPa.

Abstract: According to the present invention, a pressure-sensitive adhesive for a motor vehicle brake disc antirust film, which comprises an acrylic resin based pressure-sensitive adhesive prepared by crosslinking an acrylic copolymer containing a unit based on a (meth)acrylamide based monomer and having a weight average molecular weight of 500,000 to 1,100,000 with a polyisocyanate compound by the utilization of the unit based on a (meth)acrylamide based monomer as a crosslinking base point. The pressure-sensitive adhesive for a motor vehicle brake disc antirust film can provide a motor vehicle brake disc antirust film which is hardly peeled off when adhered onto a motor vehicle wheel.

Abstract: A primer for adhesive sheets which comprises as a main component thereof an oligomer comprising a reaction product of a portion of an isocyanurate compound which is a trimer of tolylene diisocyanate and a polyol and has a number-average molecular weight in a range of 700 to 50,000; an article comprising an adhesive sheet attached to an adherend using a layer of the above primer as the intermediate layer; a process for producing an article attached with an adhesive sheet which comprises coating an adherend with the primer and attaching the adhesive sheet to the article when 1 minute to 24 hours has passed after the coating. Peeling and displacement of the adhesive sheet can be prevented and excellent properties can be maintained even when the adhesive sheet is attached to an article in a short time after the article is coated with the primer.