Abstract: Provided is a method for peeling a PSA sheet adhered on a polarizing plate. The PSA sheet has a PSA layer. The PSA layer includes a layer A forming at least one surface of the PSA layer. Of the polarizing plate, the surface to which the PSA sheet is adhered is corona-treated or plasma-treated. The peeling method includes a water-peel step in which the PSA sheet is peeled from the polarizing plate, in a state where an aqueous liquid exits at the interface between the polarizing plate and the PSA sheet at the front line of peeling the PSA sheet from the polarizing plate, with the aqueous liquid allowed to further enter the interface following the movement of the peel front line.

Abstract: The present invention relates to an electrically debondable adhesive sheet including, in this order, an electrically conductive substrate including a supporting substrate and an electrically conductive layer; a coating layer; and an electrically debondable adhesive layer in which an adhesive force is reduced by application of a voltage, in which the coating layer is formed on a surface of the electrically conductive layer on a side opposite to the supporting substrate, and the electrically debondable adhesive layer and the coating layer are in contact with each other.

Abstract: The present invention relates to a threadlike adhesive body including a threadlike core material and an adhesive layer configured to cover a surface of the core material in a longitudinal direction, in which the adhesive layer contains a non-biomass-derived component, the core material contains a biomass-derived component, and a difference (?0-?30) between a contact angle ?0 of water in an amount of 2 ?l measured immediately after the water drops onto the core material and a contact angle ?30 of the water measured after 30 seconds have elapsed from the dropping is 20° or less.

Abstract: The present invention relates to a threadlike adhesive body including a threadlike core material and an adhesive layer covering a surface of the core material in a longitudinal direction, in which the core material is a multifilament yarn including two or more filaments obtained by intertwining or twisting a filament containing a recycled resin and a filament not containing a recycled resin.

Abstract: The present invention relates to a threadlike adhesive body including a threadlike core material and an adhesive layer covering a circumferential surface of the core material in a longitudinal direction, in which the core material contains a recycled resin, and a coverage rate of the circumferential surface with the adhesive layer is 50% or more.

Abstract: The present invention relates to a threadlike adhesive body including a threadlike core material and an adhesive layer for covering a surface of the core material in a longitudinal direction, in which the core material contains a biomass-derived component, and the threadlike adhesive body has a biomass degree of 35% or more.

Abstract: The present invention provides a gap-filling method whereby a structure having a gap can be appropriately inhibited from being adversely affected by edges of the gap. The present invention relates to a gap-filling method including filling a gap of a structure having the gap therein by inserting a threadlike adhesive body into and along the gap, wherein the threadlike adhesive body is inserted into the gap so as to come into contact with at least some of inner surfaces of the gap and with edges of the gap.

Abstract: An adhesive body delivery device includes a main body, a turning portion, and a press-bonding portion; the turning portion is mounted to the main body to be relatively turnable around a first turning axis A1; the press-bonding portion is mounted to the turning portion at a predetermined mounting position, and is turnable in conjunction with the turning portion; the press-bonding portion is configured to deliver an adhesive body at a predetermined delivery position P, and is configured to stick the adhesive body to a target object while press-bonding the adhesive body; a predetermined distance D is ensured between the first turning axis A1 of the turning portion and the mounting position; and the press-bonding portion is configured to turn around a second turning axis A2 passing through the mounting position and being parallel to the first turning axis A1.

Abstract: The present invention relates to a method of producing a bonded body in which members are allowed to bond to each other with a yarn-like adhesive body, and at least a part of a bonding region, which is a portion where members are allowed to bond to each other, has a bent shape, and the members are allowed to bond to each other with the yarn-like adhesive body bent according to a shape of the bonding region.

Abstract: The present invention relates to an adhesive article including a core material and an adhesive layer covering a longitudinal surface of the core material, in which the core material is a multifilament yarn including four or more filaments.

Abstract: The present invention relates to a composite body including an elongated adhesive body and a plurality of linear members, the plurality of linear members being stuck around the adhesive body.

Abstract: Provided is a method for peeling a PSA sheet adhered on a polarizing plate. The PSA sheet has a PSA layer. The PSA layer includes a layer A forming at least one surface of the PSA layer. Of the polarizing plate, the surface to which the PSA sheet is adhered is corona-treated or plasma-treated. The peeling method includes a water-peel step in which the PSA sheet is peeled from the polarizing plate, in a state where an aqueous liquid exits at the interface between the polarizing plate and the PSA sheet at the front line of peeling the PSA sheet from the polarizing plate, with the aqueous liquid allowed to further enter the interface following the movement of the peel front line.

Abstract: Provided is a PSA sheet having a PSA layer. The PSA layer includes a layer A forming at least one surface thereof. The PSA sheet has an adhesive strength N0 of 2.0 N/10 mm or greater, after one day at room temperature following application of the layer A side to a surface of an alkaline float glass plate as an adherend having a contact angle of 5°-10° with distilled water; has an N1 to N0 reduction rate of 30% or lower, wherein N1 is a water-resistant adhesive strength measured after stored at room temperature for one day, immersed in water for 30 minutes, taken out from the water and then residual water is wiped off; and has an N2 to N0 reduction rate of 40% or higher, wherein N2 is a water-peel strength measured after stored at room temperature for one day, 20 ?L distilled water is dropped onto the adherend and is allowed to enter a PSA layer/adherend interfacial edge. N2 is measured at a tensile speed of 300 mm/min at a peel angle of 180°.

Abstract: Provided is an adhesive article which requires no separator and exhibits sufficient adhesive force without the need of any operation for adhesive-force development and in which the adhesive layer, even when in contact with itself, can be peeled off at the interface. The adhesive article includes an adhesive body including an adhesive layer, wherein the adhesive layer has a gel content of 5-70%, the adhesive article, through 7-day storage at 40° C., has a change in the gel content of the adhesive layer of ?5% to 5%, and surface portions of the adhesive layer are in contact with each other.

Abstract: The present invention relates to an adhesive article that expresses adhesiveness by stretching. The adhesive article includes an aggregate of a plurality of cohesive particles and each of the plurality of cohesive particles is a polymer particle having a core-shell structure including an adhesive core and a non-adhesive shell covering the core.

Abstract: The present invention relates to an adhesive article including a linear adhesive body and a non-adhesive layer covering a longitudinal direction surface of the adhesive body, wherein the adhesive article expresses adhesiveness when the non-adhesive layer is broken by stretching the adhesive article.