Abstract: An adhesive preparation containing bisoprolol includes a backing and a pressure-sensitive adhesive layer formed on one side of the backing. The pressure-sensitive adhesive layer contains a polymer prepared through copolymerization of monomer components including a hydroxyl group-containing monomer and an alkyl (meth)acrylate monomer (component (A)), a polymer prepared through copolymerization of monomer components including a methyl methacrylate monomer and a butyl methacrylate monomer (component (B)), and bisoprolol (component (C)).

Abstract: An adhesive preparation containing bisoprolol includes a backing and a pressure-sensitive adhesive layer formed on one side of the backing. The pressure-sensitive adhesive layer contains a polymer prepared through copolymerization of monomer components including a hydroxyl group-containing monomer and an alkyl (meth)acrylate monomer (component (A)), a polymer prepared through copolymerization of monomer components including a methyl methacrylate monomer and a butyl methacrylate monomer (component (B)), and bisoprolol (component (C)).

Abstract: A patch preparation includes a support and a pressure-sensitive adhesive layer formed on one surface of the support. The pressure-sensitive adhesive layer includes: (A) a polymer prepared by copolymerizing monomer components including a hydroxyl group-containing monomer and an alkyl (meth)acrylate monomer; (B) a polymer prepared by copolymerizing monomer components including a methyl methacrylate monomer and a butyl methacrylate monomer; and (C) a basic drug, provided that bisoprolol and a salt thereof are excluded.

Abstract: A patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer obtained by crosslinking a polymer having a butadiene skeleton in the presence of organic peroxide, wherein the patch has good adhesion property and maintain this quality for a long time.

Abstract: The patch according to an embodiment of the present invention includes: a support; and a pressure-sensitive adhesive layer on at least one surface of the support, wherein: the pressure-sensitive adhesive layer contains an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide; a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 wt % to 90 wt % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 1 wt % to 20 wt %; and the monomer components are substantially free of a monomer having a carboxyl group.

Abstract: A patch according to an embodiment of the present invention includes a support and a pressure-sensitive adhesive layer provided on at least one surface of the support. The pressure-sensitive adhesive layer contains an acrylic copolymer obtained by copolymerizing a monomer mixture containing (a) a (meth)acrylic acid alkyl ester, (b) a hydroxyl group-containing monomer, and (c) a diketone group-containing monomer.

Abstract: There is provided a medical pressure-sensitive adhesive composition including an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide, wherein: a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 weight % to 99.9 weight % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 0.1 weight % to 20 weight %; and the monomer components are substantially free of a monomer having a carboxyl group. The medical pressure-sensitive adhesive composition of the present invention is particularly suitable for applications such as medical patches and patch preparations.

Abstract: The patch according to an embodiment of the present invention includes: a support; and a pressure-sensitive adhesive layer on at least one surface of the support, wherein: the pressure-sensitive adhesive layer contains an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide; a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 wt % to 90 wt % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 1 wt % to 20 wt %; and the monomer components are substantially free of a monomer having a carboxyl group.

Abstract: The present invention provides a medical adhesive and a medical adhesive tape or sheet superior in the fixing performance, particularly perspiration-resistant fixing, which shows low skin irritation and suitable adhesive strength. The present invention provides a medical adhesive containing a water-dispersed copolymer obtained by copolymerizing 100 parts by weight of a monomer mixture containing (meth)acrylic acid alkyl ester and 0.

Abstract: Provided are a patch and a patch preparation having an adhesive layer on at least one surface of a support, and particularly, a patch and a patch preparation superior in skin adhesive force, and causing less adhesive residue on the skin surface. A patch having a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer is obtained by crosslinking a first polymer having a butadiene skeleton portion and a second polymer different from the first polymer in the presence of an organic peroxide.

Abstract: Provided are a patch and a patch preparation having an adhesive layer on at least one surface of a support, and particularly, a patch and a patch preparation superior in skin adhesive force, and causing less adhesive residue on the skin surface. A patch having a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer obtained by crosslinking a polymer having a butadiene skeleton in the presence of an organic peroxide, and the ratio of the weight of a toluene-insoluble component in the adhesive layer to the total weight of the adhesive layer is 5-32 wt %.

Abstract: The present invention provides a patch and a patch preparation having an adhesive layer with a sufficient thickness, as well as appropriate skin adhesiveness and flexibility, which resist falling off from the skin even when a load is applied to the side opposite to the surface of the patch or patch preparation to be adhered to the skin, i.e., an exposed surface of a support of the patch or patch preparation, and show low irritation to the skin; an adhesive layer, which is obtained by crosslinking a liquid rubber having a crosslinkable functional group in a molecule in the presence of a crosslinking agent having a functional group number of 3 or below and a catalyst, on at least one surface of a support; and a patch preparation having an adhesive layer containing a pharmaceutical agent.

Abstract: The present invention can provide a composition for a medical material or a hygiene material, which can retain a considerable amount of a chemical substance such as a drug and the like or an organic liquid component, is associated with less limitation on molding, does not easily drop off when adhered to the skin, provides a better feeling during adhesion to the skin, produces decreased adhesive residue when detached from the skin, and shows good followability to the skin. The present invention provides a gel composition obtained by crosslinking a composition for gel preparation comprising a liquid rubber having a crosslinkable functional group in a molecule and 34.6-64.6 wt % of an organic liquid component relative to the total weight of the composition for gel preparation.

Abstract: The present invention provides a patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer has a gel fraction of 50 wt %-75 wt %, and is comprised of a composition containing 33 wt %-65 wt % of a liquid rubber having a crosslinkable functional group in a molecule, which has an adhesive layer with a thickness sufficient for protection of a skin lesion and a wounded surface, which is flexible, adheres well to the skin, provides good feeling during adhesion, leaves less adhesive residue when removed from the skin, and shows good followability to skin deformation, as well as a patch preparation capable of sufficiently retaining a medicament and the like.

Abstract: Provided is a patch having good adhesion property, which stably maintains the quality for a long time. A patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer obtained by crosslinking a polymer having a butadiene skeleton in the presence of organic peroxide.

Abstract: Provided is a patch having good adhesion property, which stably maintains the quality for a long time. A patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer contains an elastomer having a structure of the formula I: wherein P1 and P2 are each independently hydrogen, a hydroxy group or an organic group.

Abstract: The present invention aims to provide a patch and a patch preparation that do not require an acrylic polymer, and are capable of maintaining a large amount of an organic liquid component in an adhesive layer. The present invention provides a patch containing a support and an adhesive layer provided on at least one surface of the support, wherein the adhesive layer contains a synthetic rubber component other than polyisobutylene and solid at 25° C., a liquid rubber component having a crosslinkable functional group in a molecule, and an organic liquid component, the adhesive layer is crosslinked, and the liquid rubber component is contained in a proportion of less than 30 wt % relative to the total weight of the synthetic rubber component solid at 25° C. and the liquid rubber component.

Abstract: The present invention aims to provide a patch and a patch preparation that do not require an acrylic polymer, and are capable of maintaining a large amount of an organic liquid component in an adhesive layer. The present invention provides a patch containing a support and an adhesive layer provided on at least one surface of the support, wherein the adhesive layer contains polyisobutylene, a liquid rubber component having a crosslinkable functional group in a molecule, and an organic liquid component, the adhesive layer is crosslinked.

Abstract: The present invention provides a composition for a medical material or a hygiene material, which contains a large amount of an organic liquid component, has sufficient flexibility and can retain shape. The present invention provides a gel composition for a medical material or a hygiene material, which contains a liquid rubber component having a functional group capable of crosslinking reaction in a molecule and 90 parts by weight or above and 1250 parts by weight or below of an organic liquid component relative to 100 parts by weight of the rubber component, which gel composition is crosslinked.

Abstract: The present invention provides a medical adhesive and a medical adhesive tape or sheet superior in the fixing performance, particularly perspiration-resistant fixing, which shows low skin irritation and suitable adhesive strength. The present invention provides a medical adhesive containing a water-dispersed copolymer obtained by copolymerizing 100 parts by weight of a monomer mixture containing (meth)acrylic acid alkyl ester and 0.