WO2011105458A1 - ビソプロロール含有貼付製剤 - Google Patents
ビソプロロール含有貼付製剤 Download PDFInfo
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- WO2011105458A1 WO2011105458A1 PCT/JP2011/054045 JP2011054045W WO2011105458A1 WO 2011105458 A1 WO2011105458 A1 WO 2011105458A1 JP 2011054045 W JP2011054045 W JP 2011054045W WO 2011105458 A1 WO2011105458 A1 WO 2011105458A1
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- Prior art keywords
- patch preparation
- adhesive layer
- patch
- pressure
- sensitive adhesive
- Prior art date
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- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
- A61K31/138—Aryloxyalkylamines, e.g. propranolol, tamoxifen, phenoxybenzamine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0246—Adhesive bandages or dressings characterised by the skin-adhering layer
- A61F13/0253—Adhesive bandages or dressings characterised by the skin-adhering layer characterized by the adhesive material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0259—Adhesive bandages or dressings characterised by the release liner covering the skin adhering layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00544—Plasters form or structure
- A61F2013/00646—Medication patches, e.g. transcutaneous
Definitions
- the present invention relates to a transdermal absorption patch preparation suitable for continuously administering bisoprolol or a salt thereof into the body through the skin surface.
- Bisoprolol is a highly selective antagonist for the sympathetic ⁇ 1 receptor and is used to improve essential hypertension, angina and arrhythmias. Orally, the fumarate salt is administered as a tablet.
- a transdermal preparation can avoid, for example, drug metabolism and various side effects caused by the first passage of the liver. Can be administered continuously over an extended period of time.
- a dosage operation is easy and the dose can be strictly controlled, a patch preparation containing a drug in an adhesive is being actively developed. Under such circumstances, various bisoprolol percutaneous absorption preparations have been developed in recent years.
- the patch preparation generally has a support composed of a woven fabric, a non-woven fabric, a plastic film, and the like, and a pressure-sensitive adhesive layer containing a drug laminated on the support, and is usually laminated on the pressure-sensitive adhesive layer. It is provided in a form provided with a release liner and accommodated in a package made of a packaging material such as a resin film.
- the characteristics of recent patch preparations are to improve the soft feeling when applied to the skin, to reduce the skin irritation caused by exfoliation of the stratum corneum at the time of exfoliation, or the solubility and penetration of the drug in the adhesive layer
- a soft pressure-sensitive adhesive layer such as a pressure-sensitive adhesive layer in which a large amount of liquid component is held in the pressure-sensitive adhesive layer tends to be employed.
- Cold flow occurs depending on the properties of the pressure-sensitive adhesive layer, and is applied to the patch preparation for a long time, that is, when the patch preparation is stored in the package for a long period of time. Many occur.
- Patent Document 1 in the skin patch, the thickness of the skin adhesive layer located at the center of the support film is set to 0.2 mm to 0.5 mm, and the peripheral edge is embossed. , A technique for reducing the thickness of the skin adhesive layer from 0.05 mm to 0.2 mm to prevent the skin adhesive layer from protruding from the end of the skin patch and the end of the skin patch from being turned over is disclosed. Yes.
- a skin adhesive layer is formed on a release sheet, and a laminate sheet obtained by laminating a support film is punched in two steps. It is a method characterized by performing, without heating, embossing for forming a thin peripheral portion after the first-stage punching process. That is, when embossing first and then punching into the final shape in one step, the skin adhesive layer located between the support film and the release sheet is difficult to move to both sides when embossing, even if it can move Therefore, the part of the skin adhesive layer adjacent to the peripheral edge is raised by the embossing.
- Patent Document 1 is embossed after being punched out in advance, and the skin adhesive layer adjacent to the peripheral portion is extruded from the punched end face, It is characterized by punching into a final shape by the second stage of punching.
- the opportunity for the exposed part of the adhesive layer, such as the edge of the skin patch, to contact the inner surface of the package during storage in the package is not sufficiently reduced. If the skin adhesive layer oozes or protrudes from the adhesive layer exposed part of the skin patch in the package, the skin patch will not be sufficiently prevented from adhering to the inner surface of the package. There is a risk that the patch will be difficult to remove.
- the skin patch can come into contact with clothes or the like at the time of skin application, the chance that the end of the skin patch is rubbed with clothes or the like is not sufficiently reduced, and the edges may be turned over.
- the thickness of the skin adhesive layer at the peripheral edge is thin, there is a risk that the skin adhesive force is reduced at the peripheral edge as compared with the central part.
- Patent Document 2 relates to a packaging bag containing a patch that can stably store a patch containing bisoprolol or a salt thereof in an adhesive layer. It is disclosed that the stability of bisoprolol or a salt thereof is improved by setting the relative humidity to 25% or less. However, there is no description about the seepage of bisoprolol or its salt into the packaging bag, nor the effect of the cold flow of the adhesive layer component on the stability, handleability and adhesiveness of the patch preparation. The shape of the patch preparation for improvement has not been studied at all.
- the present invention has been made in view of the circumstances as described above, cold flow during storage, that is, the occurrence of exudation or protrusion of the adhesive layer component from the exposed portion of the adhesive layer of the patch preparation, and, It is an object of the present invention to provide a patch preparation in which a decrease in drug content due to leaching of bisoprolol or a salt thereof from an adhesive layer is well suppressed.
- the present inventors have determined the planar shapes of the support, release liner and pressure-sensitive adhesive layer constituting the patch preparation in the patch preparation containing bisoprolol or a salt thereof.
- the rectangular shape of the entire patch preparation is rectangular, and a convex portion is provided on the support side surface at the corner of the patch preparation.
- the patch preparation has a central portion having a rectangular planar shape; A peripheral portion having a thickness of the patch preparation thinner than the thickness of the patch preparation at the central portion, a convex portion provided at a corner portion of the central portion, and a spine portion provided on a release liner.
- the present invention relates to the following [1] to [7].
- a support, a pressure-sensitive adhesive layer containing bisoprolol or a salt thereof disposed on at least one surface of the support, and a release disposed on the surface of the pressure-sensitive adhesive layer opposite to the support A patch preparation having a liner, The planar shape of each of the support, release liner and pressure-sensitive adhesive layer is rectangular, and the planar shape of the entire patch preparation is rectangular, A patch preparation having a convex part on the support side surface at a corner of the patch preparation.
- the patch preparation has a peripheral part and a central part having a rectangular planar shape, and the thickness of the patch preparation in the peripheral part is thinner than the thickness of the patch preparation in the central part, and the convex part is The patch preparation according to the above [1], which is located at the corner of the central part.
- the patch preparation has two or more of the above-mentioned convex portions, and has a band-like connected bulge portion between the adjacent convex portions, the thickness of the patch preparation being thinner than the thickness of the patch preparation at those convex portions.
- the chance that the exposed portion of the adhesive layer of the patch preparation contacts the inner surface of the package can be reduced. Therefore, even if bisoprolol or a salt thereof, or other adhesive layer components ooze out or protrude from the exposed portion of the patch preparation in the package, it is suppressed that the patch preparation adheres to the inner surface of the package. As a result, the decrease in the content of bisoprolol or a salt thereof in the patch preparation can be suppressed, and the patch preparation can be easily taken out from the package.
- the chance that the end of the patch preparation is rubbed with clothes, etc. when the skin is applied is reduced, a patch preparation is obtained that is difficult to turn over, has sufficient skin adhesion, and is extremely difficult to fall off from the skin surface. be able to.
- FIG. 1 is a schematic plan view of the patch preparation of Example 1 of the present invention.
- 2 (a) is a schematic cross-sectional view taken along II of the patch preparation shown in FIG. 1
- FIG. 2 (b) is a schematic view taken along II-II of the patch preparation shown in FIG.
- FIG. 3 is a schematic plan view of the patch preparation of Example 3 of the present invention.
- FIG. 4 (a) is a schematic cross-sectional view taken along II of the patch preparation shown in FIG. 3, and
- FIG. 4 (b) is a schematic view taken along II-II of the patch preparation shown in FIG.
- FIG. 5 is a schematic plan view of the patch preparation of Comparative Example 3.
- FIG. 6 (a) is a schematic cross-sectional view taken along II of the patch preparation shown in FIG. 5, and FIG. 6 (b) is a schematic view taken along II-II of the patch preparation shown in FIG. FIG.
- the patch preparation of the present invention has a support, a pressure-sensitive adhesive layer containing bisoprolol or a salt thereof disposed on at least one surface of the support, and a surface of the pressure-sensitive adhesive layer opposite to the support. A release liner.
- the edge part of an adhesive layer, more specifically, the side edge part is exposed.
- the patch preparation of the present invention can be provided as a percutaneous absorption type preparation of bisoprolol or a salt thereof, either as a matrix type or as a reservoir type.
- various dosage forms such as a patch type, an adhesive tape type, and a sheet type can be used.
- each of the support, the release liner, and the adhesive layer is a rectangle
- the planar shape of the entire patch preparation is a rectangle
- the patch preparation of this invention has a convex part in the support body side surface in the corner
- the “rectangular shape” referred to in the present specification includes not only those whose corners are not rounded but also those that are slightly rounded.
- the rectangular outline includes a rounded curved portion and a straight portion.
- “Slightly rounded” as used herein means that the ratio of the total length of the curved portion to the total length of the straight portion is preferably 0.1% to 40%, more preferably 0.5%. It is in the range of ⁇ 30%.
- the planar shape of the patch preparation is a rectangle whose corners are slightly rounded from the viewpoint that the corner of the patch preparation does not damage the inner surface of the package or the skin, and the prevention of catching on clothes. It is preferable. It is thought that the convex part provided in the support body side surface fulfill
- the convex portion in the present invention is formed on the support side surface at the corner of the patch preparation.
- One or more, preferably a plurality of convex portions are formed, and more preferably formed at each corner.
- “at the corner” includes not only that the convex portion is in contact with the corner of the rectangular patch, but also that the convex portion is present in the vicinity of the corner.
- “near” means the narrowest distance between the outer shape of the corner and the outer shape of the convex portion, that is, the interval at the narrowest part between the contour portion of the corner portion and the contour portion of the convex portion. Mean small. In the patch preparation of the present invention, the interval is preferably 0.29 mm to 5 mm.
- planar shape of the convex portion examples include a triangular shape, a trapezoidal shape, a crescent shape, and a semicircular shape. In the present invention, these shapes include those having distortion and those having round corners.
- the “crescent shape” means a shape surrounded by a small arc having a small radius and a large arc having a large radius
- the “semicircular shape” means a shape surrounded by a semicircular arc and its diameter.
- the planar shape of the convex portion is preferably a crescent shape or a semicircular shape because it can be easily formed and is beautiful.
- the convex part on the support side surface at the corners thickens the support in the part corresponding to the convex part and / or the adhesive layer in the part corresponding to the convex part. It can be formed by increasing the thickness. In the latter case, the thickness of the support and release liner is substantially uniform. Assuming that the thickness of the center part of the patch preparation, that is, the portion where the diagonal lines of the rectangle intersect, is 100%, the thickness of the patch preparation at the convex part is preferably 110% to 300%, more preferably 120% to 250%. .
- the “thickness of the patch preparation” refers to the sum of the thicknesses of the support, the adhesive layer and the release liner constituting the patch preparation.
- the size of the convex portion in the patch preparation of the present invention is preferably such that the occupied area ratio of the convex portion is 2% to 90% of the total area of the support. More preferably, the degree is as follows. If the area occupied by the protrusions is less than 2%, when the patch preparation is stored in the package, the protrusions cannot sufficiently support the inner surface of the package, and the pillar effect due to the protrusions is expected. It may not be possible. On the other hand, if the area occupied by the protrusions exceeds 90%, the necessary amount of the pressure-sensitive adhesive layer or the support increases, which may be economically disadvantageous.
- the patch preparation has a central shape having a rectangular planar shape and a predetermined patch preparation thickness, and a thickness of the patch preparation in the central portion.
- a peripheral part with a thin thickness of the patch preparation can be provided, and the convex part provided on the support side surface can be positioned at the corner of the central part.
- the thickness of the patch preparation at the central portion refers to the thickness of the central portion of the patch preparation described above.
- the patch preparation of the present invention it is possible to suppress exudation and protrusion of bisoprolol or a salt thereof and other adhesive layer components from the exposed portion of the agent layer. Therefore, according to the patch preparation of the present invention, the decrease in the content of bisoprolol or a salt thereof during storage can be suppressed, and the patch preparation can be easily taken out from the package.
- the planar shape of the peripheral portion is preferably a strip shape having a width of 0.29 mm to 5 mm, more preferably 0.29 mm to 3.5 mm.
- the thickness of the patch preparation in the peripheral part is preferably 1.5 ⁇ m or more from the viewpoint of ensuring a minimum skin adhesive force.
- the thickness of the patch preparation at the center is, for example, 50 ⁇ m to 5000 ⁇ m, preferably 150 ⁇ m to 4000 ⁇ m.
- the difference between the thickness of the patch preparation in the central part and the thickness of the patch preparation in the peripheral part is preferably 20 ⁇ m to 2000 ⁇ m. In the above case, the chance that the end of the patch preparation is rubbed with the package or clothes can be reduced, and the adhesive force required for the adhesive layer at the center can be imparted.
- the patch preparation of the present invention has a substantially flat and flat shape, and the planar shape is rectangular as described above.
- the patch preparation preferably has a side length of 10 mm to 100 mm, more preferably 15 mm to 80 mm.
- “the length of one side” means the length of one side assumed when it is assumed that the corner of the patch preparation is round and the corner is a perfect rectangle without roundness.
- the patch preparation of the present invention it is preferable to have two or more of the convex portions. And between adjacent convex parts, it is preferable to have an articulated bulging part which is thicker than the thickness of the patch preparation in the central part, but thinner than the thickness of the patch preparation in the convex part.
- the thickness of the patch preparation at the joint bulge is preferably 105% to 250%, more preferably 110% to 200%, where the thickness of the central part of the patch preparation is 100%.
- “adjacent” means that two convex portions are provided along one side of the patch preparation.
- the planar shape of the connected raised portion is not particularly limited, but a strip shape having a width of about 0.5 mm to 3 mm is preferable.
- a continuous bulging portion increases the pressurizing time, increases the pressure or temperature, or performs the embossing step twice or more, Can be molded.
- the release liner may have a split back part.
- the spine portion is provided so as not to go through the convex portion provided at the corner of the medicated patch.
- the split part By providing the split part on the release liner, the pressure-sensitive adhesive layer is exposed at the split part.
- the dorsal part so as not to go through the convex part of the patch preparation, it is possible to reduce the load on the dorsal part from the outside of the package, so that the adhesive layer component from the dorsal part can be reduced. Exudation and protrusion can be suppressed.
- the pillar effect of the convex part of the patch preparation effectively reduces the pressure applied to the spine from the package, and bisoprolol or its salt from the spine or other It is possible to prevent the adhesive layer component from bleeding or protruding. As a result, the patch preparation can be easily taken out from the package, and the decrease in the content of bisoprolol or a salt thereof can be suppressed.
- the spine portion of the release liner is formed by cutting a line from the surface opposite to the contact surface with the pressure-sensitive adhesive layer of the release liner.
- the shape of the cut line may be linear, curved, for example, corrugated, or a combination thereof.
- the broken line may be a solid line, a broken line, or a combination thereof.
- the support used in the patch preparation of the present invention is not particularly limited, but bisoprolol or a salt thereof contained in the pressure-sensitive adhesive layer or other pressure-sensitive adhesive layer components permeate the support and are lost from the back surface. Those that do not cause a decrease, that is, those that are made of a material that does not transmit the adhesive layer-containing component, are preferred.
- Supports that can be used in the patch preparation of the present invention include polyester resins such as polyethylene terephthalate; polyamide resins such as nylon; olefin resins such as polyethylene and polypropylene; ethylene-vinyl acetate copolymers, polyvinyl chloride, poly Vinyl resins such as vinylidene chloride and ionomer resins; acrylic resins such as ethylene-ethyl acrylate copolymers; fluorocarbon resins such as polytetrafluoroethylene; single films such as metal foils, and laminate films thereof Can be mentioned.
- the thickness of the support is usually 10 ⁇ m to 200 ⁇ m, preferably 15 ⁇ m to 150 ⁇ m, more preferably 20 ⁇ m to 100 ⁇ m.
- the adhesive layer component that oozes or protrudes from the exposed part of the adhesive layer of the patch preparation is well suppressed from spreading to the surface opposite to the adhesive layer. Is done.
- the thickness of the support exceeds 200 ⁇ m, when the patch preparation is affixed to the skin, an uncomfortable feeling of use may occur.
- the support is a non-porous film made of the above material and a laminate film made of a porous film, and the pressure-sensitive adhesive layer is placed on the porous film side.
- the porous film is not particularly limited as long as it improves the anchoring property between the support and the pressure-sensitive adhesive layer, and examples thereof include paper, woven fabric, nonwoven fabric, and mechanically perforated film. In particular, paper, woven fabric, and non-woven fabric are preferable.
- the thickness of the porous film is preferably 10 ⁇ m to 100 ⁇ m in consideration of improvement in anchoring property and flexibility of the pressure-sensitive adhesive layer.
- the basis weight is preferably 3 g / m 2 to 50 g / m 2 , preferably 5 g / m 2 to 30 g / m 2 from the viewpoint of improving anchoring property. .
- the most preferable support is a polyester resin film (preferably a polyethylene terephthalate film) having a thickness of 1 ⁇ m to 45 ⁇ m, a thickness of 10 ⁇ m to 100 ⁇ m, and a basis weight of 5 g / m 2 to 30 g / m 2. It is a laminated film with a nonwoven fabric made of polyester resin (preferably polyethylene terephthalate).
- the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer in the patch preparation of the present invention is not particularly limited, and is an acrylic pressure-sensitive adhesive made of an acrylic polymer; a styrene-diene-styrene block copolymer (for example, styrene-isoprene-styrene).
- Rubber adhesives such as block copolymers, styrene-butadiene-styrene block copolymers, polyisoprene, polyisobutylene, polybutadiene, etc .; silicone adhesives such as silicone rubber, dimethylsiloxane base, diphenylsiloxane base; polyvinylmethyl Vinyl ether adhesives such as ether, polyvinyl ethyl ether, polyvinyl isobutyl ether; vinyl ester adhesives such as vinyl acetate-ethylene copolymer; dimethyl terephthalate, dimethyl isophthalate, dimethyl phthalate, etc.
- polyester-based pressure-sensitive adhesive consisting of a polyhydric alcohol component such as carboxylic acid component and ethylene glycol.
- the pressure-sensitive adhesive layer formed by such a pressure-sensitive adhesive may be crosslinked by subjecting it to physical cross-linking treatment by irradiation with radiation such as ultraviolet ray irradiation or electron beam irradiation, or chemical cross-linking treatment using various cross-linking agents. It may be a non-crosslinked adhesive layer that is not subjected to the crosslinking treatment.
- the pressure-sensitive adhesive layer using a rubber-based pressure-sensitive adhesive tend to ooze out or protrude. Therefore, this invention which can suppress this effectively is especially advantageous when employ
- the rubber-based pressure-sensitive adhesive can be used by mixing the same component or different components having different average molecular weights in order to obtain appropriate adhesive force and drug solubility.
- polyisobutylene as an example, a high molecular weight polyisobutylene having a viscosity average molecular weight of 1,800,000 to 5,500,000 and a medium molecular weight polyisobutylene having a viscosity average molecular weight of 40,000 to 85,000 are described. And optionally further mixtures with lower molecular weight polyisobutylene are preferred.
- the viscosity average molecular weight is a flow time measured at 20 ° C.
- the high molecular weight polyisobutylene is usually 10% to 80% by weight, preferably 10% to 50% by weight, and the medium molecular weight polyisobutylene is usually 0% to 90% by weight.
- the polyisobutylene having a low molecular weight of 10 wt% to 80 wt% is usually blended in a proportion of 0 wt% to 80 wt%, preferably 0 wt% to 60 wt%.
- the pressure-sensitive adhesive layer contains, for example, a tackifier such as rosin resin, polyterpene resin, coumarone-indene resin, petroleum resin, terpene-phenol resin, xylene resin and the like. These may be used alone or in combination of two or more.
- a tackifier such as rosin resin, polyterpene resin, coumarone-indene resin, petroleum resin, terpene-phenol resin, xylene resin and the like.
- the petroleum resins include aliphatic (C5) petroleum resins, aromatic (C9) petroleum resins, copolymer (C5-C9) petroleum resins, and aromatic (C9) petroleum resins.
- Examples thereof include alicyclic saturated hydrocarbon resins obtained by partial hydrogenation or complete hydrogenation.
- the alicyclic saturated hydrocarbon resin preferably has a softening point of 90 ° C. to 150 ° C. by the ring and ball method.
- the tackifier is blended in the pressure-sensitive adhesive layer in
- the above-mentioned pressure-sensitive adhesive layer can contain an organic liquid component that is compatible with the pressure-sensitive adhesive.
- the organic liquid component can impart a soft feeling by plasticizing the pressure-sensitive adhesive layer.
- an adhesive such as the above-mentioned acrylic adhesive or rubber adhesive
- the organic liquid component can be used without particular limitation as long as it has a plasticizing action. From the viewpoint of improving the transdermal absorbability of bisoprolol or a salt thereof, it is preferable to use one having an absorption promoting action.
- preferable organic liquid components that can be contained in the pressure-sensitive adhesive layer include vegetable oils such as olive oil, castor oil and coconut oil; animal oils such as liquid lanolin; dimethyldecyl sulfoxide, methyl octyl sulfoxide, dimethyl sulfoxide, Organic solvents such as dimethylformamide, dimethylacetamide, dimethyllaurylamide, methylpyrrolidone, dodecylpyrrolidone; surfactants such as polyoxyethylene sorbitan fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester; diisopropyl adipate, phthalate ester, Plasticizers such as diethyl sebacate; hydrocarbons such as squalane and liquid paraffin; ethyl oleate, isopropyl palmitate, octyl palmitate, isopropyl myristate, milli Fatty acid alkyl esters such as isotride
- the organic liquid component is preferably contained in an amount of 10% to 60% by weight, more preferably 15% to 60% by weight, and most preferably 20% to 60% by weight, based on the total weight of the pressure-sensitive adhesive layer. it can.
- the pressure-sensitive adhesive layer contains 10% by weight or more of the organic liquid component, the pressure-sensitive adhesive layer tends to be plasticized, and the pressure-sensitive adhesive layer component tends to exude or protrude. Therefore, the present invention that can effectively suppress this is advantageous in such a case.
- an organic liquid component contains more than 60 weight%, it may become difficult for an adhesive layer to maintain a fixed shape.
- bisoprolol or a salt thereof is contained in the pressure-sensitive adhesive layer.
- Bisoprolol is the chemical name: (2RS) -1- (4- ⁇ [2- (1-methylethoxy) ethoxy] methyl ⁇ phenoxy) -3-[(1-methylethyl) amino] propan-2-ol A highly selective ⁇ 1 blocker.
- bisoprolol can be contained in the form of a free base or in the form of a salt with an acid.
- bisoprolol salts include inorganic acid salts such as bisoprolol hydrochloride, and organic acid salts such as bisoprolol fumarate and bisoprolol methanesulfonate.
- Bisoprolol and a salt thereof can be produced according to a production method known per se.
- the free base of bisoprolol is preferably used because it has higher skin permeability.
- the content of bisoprolol or a salt thereof is not particularly limited as long as the pharmacological effect is obtained and the adhesive properties of the pressure-sensitive adhesive layer are not impaired, but preferably 0.1% by weight to 60% in the pressure-sensitive adhesive layer. % By weight, more preferably 0.5 to 40% by weight. If the content of bisoprolol or a salt thereof is less than 0.1% by weight, the therapeutic effect may not be sufficient. If it exceeds 60% by weight, skin irritation may occur, the therapeutic effect is limited, and it may be economically disadvantageous.
- the release liner is not particularly limited, and glassine paper, polyethylene such as polyethylene, polypropylene, polyethylene terephthalate, polystyrene, aluminum film, foamed polyethylene film or foamed polypropylene film, or a laminate of those selected from these, and further to these Examples include those processed with silicone and those processed with embossing.
- the thickness of the release liner is usually 10 ⁇ m to 200 ⁇ m, preferably 25 ⁇ m to 100 ⁇ m.
- release liners those made of polyester (particularly, polyethylene terephthalate) resin are preferred from the viewpoint of barrier properties and cost. Further, in this case, a thickness of about 25 ⁇ m to 100 ⁇ m is more preferable from the viewpoint of handleability.
- the release liner is preferably one in which the interface side with the pressure-sensitive adhesive layer is easily peeled so as to facilitate peeling from the pressure-sensitive adhesive layer.
- the easy release treatment can be performed using a known method.
- an easy release treatment layer is formed by a coating method such as bar coating or gravure coating using a release agent mainly composed of a curable silicone resin. Processing.
- the thickness of the easy release treatment layer is preferably from 0.01 ⁇ m to 5 ⁇ m from the viewpoint of ensuring releasability and coating uniformity.
- the thickness of the release liner on which the easy release treatment layer is formed is usually 10 ⁇ m to 200 ⁇ m, preferably 25 ⁇ m to 100 ⁇ m, from the viewpoint of handleability.
- the release liner can be provided with an extending portion extending outward from the patch preparation body (a laminate of a pressure-sensitive adhesive layer containing bisoprolol or a salt thereof and a support).
- the extension part reduces the chance that the end of the patch preparation body contacts the inner surface of the package when the patch preparation is accommodated in the package, so that the adhesive is exposed from the adhesive layer exposed part of the patch preparation end. Even if the layer component oozes or oozes out, it can be prevented that it adheres to the inner surface of the package and it becomes difficult to remove the patch preparation from the package.
- the release liner has an extension part in at least a peripheral part of the adhesive preparation main body of the present invention, and it is more preferable that the release liner has an extension part in the entire peripheral part.
- the length of the extending portion of the release liner is preferably about 0.5 mm to 10 mm, considering that the above effect can be exhibited and that it does not hinder accommodation in the package, More preferably, it is about 1 mm to 3 mm.
- the method for producing the patch preparation of the present invention is not particularly limited, and a technique commonly used in this field can be used.
- a technique commonly used in this field can be used.
- the above-mentioned pressure-sensitive adhesive, organic liquid component, etc. are dissolved or dispersed in a solvent in the order of bisoprolol or a salt thereof.
- a crosslinking agent is added to the solution or dispersion to obtain a composition that forms an adhesive layer.
- This can be produced by applying it to at least one surface of a support, drying to form an adhesive layer, and pressing and laminating a release liner.
- the above solution or dispersion is coated on a release liner, dried to form a pressure-sensitive adhesive layer on the surface of the release liner, and then the support is pressure-bonded onto the pressure-sensitive adhesive layer and bonded. be able to.
- the composition for forming the pressure-sensitive adhesive layer can be applied using a conventional coater such as a gravure roll coater, a reverse roll coater, a kiss roll coater, a dip roll coater, a bar coater, a knife coater, or a spray coater. .
- a conventional coater such as a gravure roll coater, a reverse roll coater, a kiss roll coater, a dip roll coater, a bar coater, a knife coater, or a spray coater.
- the composition is preferably dried under heating.
- a drying temperature of about 40 ° C. to 150 ° C. can be employed.
- aging may be performed at a temperature of room temperature or higher for the purpose of completing the crosslinking reaction and improving the anchoring property of the pressure-sensitive adhesive layer and the support.
- the aging temperature is usually in the range of 25 ° C to 80 ° C, preferably in the range of 40 ° C to 70 ° C.
- any method can be used to form a convex portion on the support side surface at the corner.
- another member can be disposed at the corresponding portion of the support, or the support itself can be molded to have the convex portion. it can.
- the composition for forming the pressure-sensitive adhesive layer can be applied twice to the part, or a separately formed pressure-sensitive adhesive layer is applied. You can also.
- a patch preparation of one embodiment of the present invention has a peripheral portion and a central portion having a rectangular planar shape, and the thickness of the patch preparation in the peripheral portion is more than the thickness of the patch preparation in the central portion.
- a patch preparation that is thin and has convex portions located at the corners of the central portion can be molded, for example, by the following method.
- a pressure-sensitive adhesive layer is formed on at least one surface of the support and a release liner is laminated, or a pressure-sensitive adhesive layer is formed on one surface of the release liner, and the support is laminated and pasted.
- a raw material for punching a preparation hereinafter also simply referred to as “raw material”. This raw fabric is placed on the press stand so that the release liner is in contact with the press stand, and is pressed from a support side with a heated press die having a predetermined shape and pressed. After embossing, punching is performed at a predetermined punching position.
- the predetermined shape in the pressing die is a shape that can at least pressurize a region corresponding to a rectangular peripheral portion during pressurization.
- the said predetermined punching position is a position which outlines a patch preparation so that the area
- a convex portion is formed at a corner portion of the central portion, or a raised portion is formed at a portion corresponding to a connecting portion between the convex portions.
- the shape of the heated pressing die is exemplified by a planar shape outlined by two coaxial rectangles, although it depends on the shape of the patch preparation to be formed. For continuous production of patch preparations, assuming a punching position in which the patch preparations form a line in the original fabric, it is possible to efficiently obtain the patch preparation from the original fabric by repeating stamping and punching continuously. be able to.
- the patch preparation of the present invention is molded by the above method, it is preferable to use a heated stamping die at the time of stamping.
- a heated stamping die By pressurizing with a heated die, the support adjacent to the pressurized area is softened by heat, whereby an adhesive layer in the pressurized area is formed at the corner or corner of the patch preparation.
- By moving to the connecting portion between the convex portions it is possible to promote the protrusion at the corner and the rising of the connecting portion.
- the convex part and the raised part formed as described above can be maintained in shape by cooling by cooling or the like.
- the temperature of the heated stamping die is preferably 90 ° C. to 180 ° C., more preferably 120 ° C. to 150 ° C.
- the pressure at the time of pressurization is preferably 1 ⁇ 10 4 N / m 2 to 1 ⁇ 10 9 N / m 2 , more preferably 1 ⁇ 10 6 N / m 2 to 1 ⁇ 10 8 N / m 2. It is.
- the pressing time is preferably 0.05 seconds to 5 seconds, more preferably 0.1 seconds to 1 second. It should be noted that, in order to form the connected bulge portion, it may vary depending on the thickness and composition of the pressure-sensitive adhesive layer and the shape, thickness and material of the support, but the temperature of the pressing die is preferably higher.
- the mold temperature is 110 ° C.
- the pressure during pressurization is 1 ⁇ 10 6 N / m 2 to 1 ⁇ 10 8 N / m 2
- the pressurization time is 0.05 seconds to 5 Seconds are illustrated.
- the temperature of the press stand is in the range of 25 ° C. to 50 ° C.
- the gap between the pressing die and the pressing stand at the time of pressing is preferably about ⁇ 10 ⁇ m in total of the thickness of the support, the peripheral adhesive layer and the release liner.
- the material of the stamp used for stamping is not particularly limited, but iron is preferable.
- Stainless steel may be difficult to process due to heat distortion.
- Aluminum and brass ones are easy to process, but may be inferior in mold durability, which may be undesirable.
- punching of the patch preparation can be performed by a usual means using a laser or a push cutting blade. Since it is easy to adjust and align the cutting dimensions and to obtain a clean end face, it is preferable to use a press cutting die set (male type and female type).
- the extension part can be easily formed by first punching only the patch preparation main body and then punching the release liner.
- the length of the extension part can be adjusted by adjusting the dimensional difference between the male type and the female type of the press cutting blade die set.
- the split part of the release liner can be formed by half-cutting the central part of the release liner with a die roll and cutting only the release liner.
- the patch preparation of the present invention is preferably stored in a package.
- the said package can be manufactured using the packaging material generally used for packaging of a patch preparation.
- packaging materials include polyolefin resin films such as polyethylene film, polypropylene film, and polymethylpentene film; vinyl such as polyvinyl chloride film, polyvinylidene chloride film, polyvinyl alcohol film, polystyrene film, polyacrylonitrile film, and ionomer film. Resin film; polyester resin film such as polyethylene terephthalate film; polyamide resin film such as nylon film; cellulosic resin film such as cellophane; polycarbonate resin film and laminated film thereof; and laminated film of these and aluminum Can be mentioned.
- the patch preparation can be accommodated in a package manufactured by the packaging material and sealed by a known method such as heat sealing.
- composition A for forming an adhesive layer ⁇ Preparation of composition A for forming an adhesive layer>
- (b) Medium molecular weight polyisobutylene (“Opanol B12N”; viscosity average molecular weight 5.5 ⁇ 10 4 , BASF)
- composition B for forming an adhesive layer For preparing the pressure-sensitive adhesive layer by preparing the same as the pressure-sensitive adhesive layer-forming composition A except that the weight ratio of (d) solid content: (e) :( f) was 72: 25: 3 A composition B for forming an adhesive layer was obtained.
- composition A for forming an adhesive layer was applied to the release surface of a release liner (thickness 75 ⁇ m) made of polyethylene terephthalate (hereinafter also referred to as “PET”) so that the thickness of the adhesive layer after drying was 160 ⁇ m. And dried with a dryer (100 ° C., 5 minutes) to form an adhesive layer on the release liner.
- a release liner thickness 75 ⁇ m
- PET polyethylene terephthalate
- a pressure-sensitive adhesive sheet was prepared by pressing and bonding the PET nonwoven fabric surface of about 40 ⁇ m).
- the release liner of the prepared adhesive sheet was half-cut with a die roll, and only the release liner was cut into a wavy line to prepare an adhesive sheet A having a split portion.
- a pressure-sensitive adhesive sheet B was prepared in the same manner as the pressure-sensitive adhesive sheet A, except that the composition B was used in place of the pressure-sensitive adhesive layer-forming composition A and the pressure-sensitive adhesive layer after drying was applied to a thickness of 75 ⁇ m. It was.
- the pressure-sensitive adhesive layer-forming composition A was applied to the release surface of a PET release liner (thickness 75 ⁇ m) so that the thickness of the pressure-sensitive adhesive layer after drying was 160 ⁇ m, and dried with a dryer (100 C. for 5 minutes) to obtain a laminate A in which an adhesive layer was laminated on a release liner. Also, a PET non-woven fabric surface having a laminate (total thickness of about 40 ⁇ m) of a PET non-woven fabric having a thickness of 3.5 ⁇ m and a PET non-woven fabric having a thickness of about 35 ⁇ m and a basis weight of 12 g / m 2 is used.
- the composition A for forming the pressure-sensitive adhesive layer was applied so that the thickness of the pressure-sensitive adhesive layer after drying was 80 ⁇ m and the width was 20 mm, and dried with a drier (100 ° C., 5 minutes).
- a laminate B in which the pressure-sensitive adhesive layer was laminated on was obtained.
- the pressure-sensitive adhesive layer surfaces of the laminate A and the laminate B were pressure-bonded to obtain an adhesive sheet.
- the center part of the release liner corresponding to the laminate B (thick part) of the pressure-sensitive adhesive sheet was half-cut with a die roll, and only the release liner was cut into a wavy line to obtain a pressure-sensitive adhesive sheet C having a split portion. .
- Example 1 The pressure-sensitive adhesive sheet A was placed on a pressing platform having a surface temperature of 30 ° C. Using a heated rectangular pressing die (outer dimension: 64 mm ⁇ 64 mm, radius of arcuate curved portion of corner (hereinafter simply referred to as “R”) 8 mm, inner dimension: 56 mm ⁇ 56 mm, R4 mm, made of iron) The support surface of the pressure-sensitive adhesive sheet A was heated and pressurized so that the back part of the release liner was near the center of the patch preparation (heating temperature: 150 ° C., pressure on the pressing part; 2 ⁇ 10 7 N / m 2 , Heating / pressurizing time; 0.3 seconds).
- R radius of arcuate curved portion of corner
- the adhesive preparation body and the release liner are simultaneously punched out from the heated and pressurized adhesive sheet A using a push cutting blade so that the heated and pressurized region corresponds to the peripheral portion of the adhesive preparation to be obtained later.
- a patch preparation was obtained.
- a schematic plan view thereof is shown in FIG.
- cross-sectional views taken along lines II and II-II in FIG. 1 are shown in FIGS.
- each planar shape of the preparation outer shape, the support, the release liner and the pressure-sensitive adhesive layer was a rectangle having rounded corners.
- the patch preparation had a peripheral part (1) having a width of 2 mm and a central part (2) inside thereof, and the planar shape of the central part (2) was also rectangular. And in the corner
- Example 2 Molding was carried out in the same manner as in Example 1 except that the heating and pressurizing conditions were heating temperature: 120 ° C., die pressing part pressure: 2 ⁇ 10 7 N / m 2 , heating / pressurizing time: 1 second.
- the shape and the like of the obtained patch preparation were the same as the patch preparation and the like of Example 1 shown in FIGS.
- Example 3 Molding was carried out in the same manner as in Example 1 except that the heating and pressurizing conditions were heating temperature: 100 ° C., die pressing part pressure: 2 ⁇ 10 7 N / m 2 , heating / pressurizing time: 0.3 second. .
- FIG. 3 is a schematic plan view of the obtained patch preparation
- FIGS. 4 (a) and 4 (b) are cross-sectional views taken along lines II and II-II.
- the patch preparation of this example does not have a band-like connected raised portion (4) between adjacent convex portions (3). It was the same as the shape of the patch preparation of Example 1.
- Example 4 A pressure-sensitive adhesive sheet B was used instead of the pressure-sensitive adhesive sheet A, and was molded in the same manner as in Example 1. The shape and the like of the obtained patch preparation were the same as the patch preparation and the like of Example 1 shown in FIGS.
- Example 5 A pressure-sensitive adhesive sheet B was used in place of the pressure-sensitive adhesive sheet A, and was molded in the same manner as in Example 2. The shape and the like of the obtained patch preparation were the same as the patch preparation and the like of Example 1 shown in FIGS.
- Example 6 A pressure-sensitive adhesive sheet B was used in place of the pressure-sensitive adhesive sheet A, and molding was performed in the same manner as in Example 3. The shape and the like of the obtained patch preparation were the same as the shape and the like of the patch preparation of Example 3 shown in FIGS.
- each planar shape of the preparation outer shape, the support, the release liner and the adhesive layer is a rectangle having rounded corners, but the peripheral part (1 ), And the central part (2) on the inside thereof, and the convex part (3) was not included in the rectangular corner of the patch preparation.
- each planar shape such as the preparation outer shape is a rectangle having rounded corners, but the peripheral part (1) seen in the patch preparation of Example 4 and the inner central part ( 2) and no convex part (3) at the rectangular corner of the patch preparation.
- FIG. 5 is a schematic plan view of the patch preparation of Comparative Example 3
- FIGS. 6 (a) and 6 (b) are cross-sectional views taken along lines II and II-II.
- the patch preparation of this comparative example has a planar shape such as the outer shape of the preparation, which has a rectangular shape with rounded corners and a convex portion (3) with a width of 20 mm. The part was arrange
- the patch preparations of Examples 1 to 6 and Comparative Examples 1 to 3 are made of a packaging material (outer layer made of PET film having an outer layer thickness of 12 ⁇ m, polyacrylonitrile resin film having an inner layer thickness of 30 ⁇ m, and aluminum having a center layer of 7 ⁇ m thickness) (Size: 95 mm ⁇ 95 mm, inner size: 85 mm ⁇ 85 mm).
- ⁇ Evaluation criteria> 5 No exudation or protrusion of the adhesive layer component is seen in the adhesive layer exposed part at the spine part or the peripheral part of the patch preparation 4: Total length of the adhesive layer exposed part of the spine part or the peripheral part of the patch preparation Among them, the adhesive layer component oozes or protrudes in less than 1/4. 3: In the total length of the adhesive layer exposed part of the spine split part or the peripheral part of the patch preparation, in 1/4 or more and less than 1/2.
- the adhesive layer component oozes or protrudes 2: The adhesive layer component oozes out at 1/2 or more and less than 3/4 of the total length of the adhesive layer exposed portion at the spine portion or the peripheral edge of the patch preparation Exudation is observed 1: Exudation or protrusion of the adhesive layer component is observed in 3/4 or more of the total length of the adhesive layer exposed part at the back split part or the peripheral part of the patch preparation
- composition C for forming an adhesive layer ⁇ Preparation of composition C for forming an adhesive layer>
- the pressure-sensitive adhesive layer-forming composition C was used to prepare a pressure-sensitive adhesive sheet D in the same manner as the pressure-sensitive adhesive sheet A.
- composition D for forming an adhesive layer ⁇ Preparation of composition D for forming an adhesive layer>
- (D) As an organic liquid component, (e) isopropyl myristate (“Crodamol IPM”; manufactured by Coda Japan Co., Ltd.), (f) octyldodecanol (“Lisonol 20SP”; manufactured by Higher Alcohol Industry Co., Ltd.), and ( g) Bisoprolol is mixed at a weight ratio of solid content of (d) :( e) :( f) :( g) 67: 28: 3: 2 to form a pressure-sensitive adhesive layer. A composition D was obtained.
- the pressure-sensitive adhesive layer forming composition D was used in the same manner as the pressure-sensitive adhesive sheet A to obtain a pressure-sensitive adhesive sheet E.
- the applied patch preparation can be provided.
- the patch preparation is packaged with a packaging material and stored in the package for a long time, the patch preparation is prevented from adhering to the inner surface of the package, and the content of bisoprolol or its salt in the patch preparation is reduced. Can be suppressed.
- the patch since it is easy to take out from the package and the chance of rubbing the edges with clothes etc. is reduced at the time of skin application, the patch is difficult to turn over, has sufficient skin adhesive force, and is very difficult to come off from the skin surface. Can be provided.
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Abstract
Description
[1]支持体と、該支持体の少なくとも一方の面に配置されたビソプロロールまたはその塩を含有する粘着剤層と、該粘着剤層の前記支持体とは反対側の面に配置された剥離ライナーとを有する貼付製剤であって、
前記支持体、剥離ライナーおよび粘着剤層のそれぞれの平面形状が矩形であり、且つ、貼付製剤全体の平面形状が矩形であり、
前記貼付製剤の角部において、その支持体側表面に凸部を有する、貼付製剤。
[2]貼付製剤が、周辺部と、平面形状が矩形である中央部とを有し、該周辺部における貼付製剤の厚さは該中央部における貼付製剤の厚さよりも薄く、上記凸部が該中央部の角部に位置する、上記[1]に記載の貼付製剤。
[3]貼付製剤が、上記凸部を2個以上有し、かつ隣り合う凸部の間に、それら凸部における貼付製剤の厚さより貼付製剤の厚さの薄い帯状の連接盛り上がり部を有する、上記[1]に記載の貼付製剤。
[4]上記凸部の平面形状が、三角形状、台形状、三日月形状もしくは半円形状のいずれかである、上記[1]に記載の貼付製剤。
[5]上記剥離ライナーが、上記凸部を経由しない背割り部を有する、上記[1]に記載の貼付製剤。
[6]上記粘着剤層が有機液状成分を含む、上記[1]に記載の貼付製剤。
[7]上記粘着剤層が架橋されていない、上記[1]に記載の貼付製剤。
(a)高分子量のポリイソブチレン(「オパノールB200」;粘度平均分子量=4×106、BASF社製)、(b)中分子量ポリイソブチレン(「オパノールB12N」;粘度平均分子量=5.5×104、BASF社製)、(c)粘着付与剤(「アルコンP-140」;脂環族飽和炭化水素樹脂、軟化点(環球法)=140±5℃、荒川化学工業株式会社製)を、(a):(b):(c)=22:38:40の重量比でトルエンに溶解し、粘着剤溶液(d)を調製した。(d)に、有機液状成分として(e)ミリスチン酸イソプロピル(「IPM」;クローダジャパン株式会社製)、および(f)ビソプロロールを、(d)の固形分:(e):(f)=68.6:30:1.4の重量比で混合し、粘着剤層を形成するための粘着剤層形成用組成物Aを得た。
(d)の固形分:(e):(f)の重量比を72:25:3とした他は、粘着剤層形成用組成物Aと同様に調製し、粘着剤層を形成するための粘着剤層形成用組成物Bを得た。
粘着剤層形成用組成物Aを、ポリエチレンテレフタレート(以下「PET」とも記す)製の剥離ライナー(厚さ75μm)の剥離面に、乾燥後の粘着剤層の厚さが160μmとなるように塗布し、乾燥機により乾燥し(100℃、5分間)、剥離ライナー上に粘着剤層を形成した。次いで粘着剤層が形成された面に、支持体として、厚さ3.5μmのPET製フィルムと、厚さ約35μm、目付量12g/m2のPET製不織布との積層体(全体の厚さ約40μm)のPET製不織布面を圧着して貼り合わせ、粘着シートを調製した。調製された粘着シートの剥離ライナーをダイロールにてハーフカットし、剥離ライナーのみを波線状にカットして、背割り部を有する粘着シートAを調製した。
粘着剤層形成用組成物Aの代わりに同組成物Bを用い、乾燥後の粘着剤層の厚さが75μmとなるように塗布する以外は、粘着シートAと同様に調製し、粘着シートBとした。
粘着剤層形成用組成物Aを、PET製の剥離ライナー(厚さ75μm)の剥離面に、乾燥後の粘着剤層の厚さが160μmとなるように塗布し、乾燥機により乾燥し(100℃、5分間)、剥離ライナー上に粘着剤層が積層された積層体Aを得た。また、厚さ3.5μmのPET製フィルムと、厚さ約35μm、目付量12g/m2のPET製不織布との積層体(全体の厚さ約40μm)を支持体とし、そのPET製不織布面に、粘着剤層形成用組成物Aを、乾燥後の粘着剤層の厚さが80μm、幅20mmとなるように塗布し、乾燥機により乾燥して(100℃、5分間)、支持体上に粘着剤層が積層された積層体Bを得た。次いで、積層体Aと積層体Bの各粘着剤層面同士を圧着して、粘着シートを得た。前記粘着シートの積層体B(厚さの厚い部分)に対応する剥離ライナーの中央部をダイロールにてハーフカットし、剥離ライナーのみを波線状にカットして、背割り部を有する粘着シートCとした。
[実施例1]
粘着シートAを、表面温度が30℃の押し台上に配置した。加熱された矩形の押し型(外寸;64mm×64mm、角部の円弧状曲線部の半径(以下単に「R」という。)8mm、内寸;56mm×56mm、R4mm、鉄製)を用いて、剥離ライナー背割り部が貼付製剤のほぼ中央付近になるように、粘着シートAの支持体表面を加熱、加圧した(加熱温度;150℃、型押し部圧力;2×107N/m2、加熱・加圧時間;0.3秒)。加熱および加圧した領域が、後に得られる貼付製剤の周辺部に対応するように、加熱および加圧された粘着シートAから、押し切り刃を用いて貼付製剤本体と剥離ライナーを同時に打ち抜き、本発明の貼付製剤を得た。その模式的な平面図を図1に示す。また、図1中、線I-Iおよび線II-IIにおける断面図を図2(a)および(b)に示す。
加熱および加圧条件を、加熱温度;120℃、型押し部圧力;2×107N/m2、加熱・加圧時間;1秒とした他は、実施例1と同様に成形した。得られた貼付製剤の形状等は、図1、2に示される実施例1の貼付製剤の形状等と同様であった。
加熱および加圧条件を、加熱温度;100℃、型押し部圧力;2×107N/m2、加熱・加圧時間;0.3秒とした他は、実施例1と同様に成形した。得られた貼付製剤の平面的な模式図を図3に、その線I-Iおよび線II-IIにおける断面図を図4(a)および(b)に示した。図3、4より明らかなように、本実施例の貼付製剤は、隣り合う凸部(3)の間に帯状の連接盛り上がり部(4)を有していないが、その他の形状等は、実施例1の貼付製剤の形状等と同様であった。
粘着シートAの代わりに粘着シートBを用いて、実施例1と同様に成形した。得られた貼付製剤の形状等は、図1、2に示される実施例1の貼付製剤の形状等と同様であった。
粘着シートAの代わりに粘着シートBを用いて、実施例2と同様に成形した。得られた貼付製剤の形状等は、図1、2に示される実施例1の貼付製剤の形状等と同様であった。
粘着シートAの代わりに粘着シートBを用いて、実施例3と同様に成形した。得られた貼付製剤の形状等は、図3、4に示される実施例3の貼付製剤の形状等と同様であった。
押し型による加熱及び加圧処理をせず、その他は実施例1と同様に成形した。比較例1の貼付製剤は、製剤外形、支持体、剥離ライナーおよび粘着剤層の各平面形状は角部に丸みを有する矩形であるが、実施例1の貼付製剤に見られた周辺部(1)、およびその内側の中央部(2)を有しておらず、貼付製剤の矩形の角部において凸部(3)も有していなかった。なお、本比較例の貼付製剤は、60mm×60mm(R=6mm)の矩形であって、その輪郭における、直線部分の長さの合計に対する曲線部分の長さの合計の割合は約19.6%で、実施例1の貼付製剤と同程度であった。
押し型による加熱及び加圧処理をせず、その他は実施例4と同様に成形した。比較例2の貼付製剤は、製剤外形等の各平面形状は角部に丸みを有する矩形であるが、実施例4の貼付製剤に見られた周辺部(1)、およびその内側の中央部(2)を有しておらず、貼付製剤の矩形の角部において凸部(3)も有していなかった。なお、本比較例の貼付製剤は、60mm×60mm(R=6mm)の矩形であって、その輪郭における、直線部分の長さの合計に対する曲線部分の長さの合計の割合は約19.6%で、実施例1の貼付製剤と同程度であった。
粘着シートCを、比較例1と同じ平面形状を有するように打ち抜いて、比較例3の貼付製剤を得た。比較例3の貼付製剤の平面的な模式図を図5に、その線I-Iおよび線II-IIにおける断面図を図6(a)および(b)に示した。図5、6より明らかなように、本比較例の貼付製剤は、製剤外形等の各平面形状は角部に丸みを有する矩形であり、幅20mmの凸部(3)を有するが、該凸部は剥離ライナーの背割り部(5)上に配置されていた。
実施例1~6および比較例1~3の貼付製剤を、外層が12μm厚のPET製フィルム、内層が30μm厚のポリアクリロニトリル系樹脂フィルム、および中央層が7μm厚のアルミニウムからなる包装材(外寸;95mm×95mm、内寸;85mm×85mm)により形成される包装体内に密封し、包装した。
実施例1~6および比較例1~3の貼付製剤を液体窒素中で凍結させてすばやく取り出し、低温下にてトリミング刃で支持体(6)面より垂直方向に切断した。切断面をデジタルマイクロスコープにて観察し、周辺部(1)、中央部(2)、凸部(3)、連接盛り上がり部(4)について、厚さ(支持体(6)、粘着剤層(7)、および剥離ライナー(8)の厚さの和)を測定した。同時に周辺部(1)の幅を測定した。また、凸部について、その占有面積率を求めた。これらの結果は、表1に示した。
実施例1~6および比較例1~3の貼付製剤につき、40℃、相対湿度75%で3ヶ月間保存した後、前記各貼付製剤を収容する包装体において、包装材に付着したビソプロロールをメタノールで抽出し、高速液体クロマトグラフィー(HPLC)にて定量した。実施例および比較例の各貼付製剤におけるビソプロロールの配合量に対する、包装材に付着したビソプロロール量の比を、表2に示す。
実施例1~6および比較例1~3の貼付製剤につき、各貼付製剤を内包する包装体を50℃で1ヶ月間保存した後、2辺をハサミで開封した。開封部より、各貼付製剤の角をつかんで取り出し、以下の評価基準に基づき、1~5の評価点を用いて、包装体からの貼付製剤の取り出し性を評価した。評価結果を表3に示す。
5:きわめて容易に取り出せる
4:僅かに引っかかるが、取り出せる
3:引っかかるが、取り出せる
2:かなり引っかかるが、取り出せる
1:包装体に貼付製剤が付着し、取り出しが困難である
試験例3で包装体より取り出した各貼付製剤について、背割り部(5)、および貼付製剤周囲端部の粘着剤層露出部における粘着剤層成分の滲み出しまたははみ出しの状態を目視により観察し、以下の評価基準に基づき、1~5の評価点により評価した。評価結果は、表4に示した。
5:背割り部又は貼付製剤周囲端部の粘着剤層露出部において、粘着剤層成分の滲み出しやはみ出しが全く見られない
4:背割り部又は貼付製剤周囲端部の粘着剤層露出部の全長のうち、1/4未満において粘着剤層成分の滲み出しまたははみ出しが見られる
3:背割り部又は貼付製剤周囲端部の粘着剤層露出部の全長のうち、1/4以上1/2未満において粘着剤層成分の滲み出しまたははみ出しが見られる
2:背割り部又は貼付製剤周囲端部の粘着剤層露出部の全長のうち、1/2以上3/4未満において粘着剤層成分の滲み出しまたははみ出しが見られる
1:背割り部又は貼付製剤周囲端部の粘着剤層露出部の全長のうち、3/4以上において粘着剤層成分の滲み出しまたははみ出しが見られる
<粘着剤層形成用組成物Cの調製>
(a)高分子量のポリイソブチレン(「オパノールB150」;粘度平均分子量=2.6×106、BASF社製)、(b)中分子量ポリイソブチレン(「ハイモール6H」;粘度平均分子量=6×104、JX日鉱日石エネルギー株式会社製)、(c)粘着付与剤(「アルコンP-100」;脂環族飽和炭化水素樹脂、軟化点(環球法)=100±5℃、荒川化学工業株式会社製)を、(a):(b):(c)=34:26:40の重量比でトルエンに溶解し、粘着剤溶液(d)を調製した。(d)に、有機液状成分として(e)ミリスチン酸イソプロピル(「クロダモルIPM」;クローダジャパン株式会社製)、および(f)ビソプロロールを、(d)の固形分:(e):(f)=68.6:30:1.4の重量比で混合し、粘着剤層を形成するための粘着剤層形成用組成物Cを得た。
粘着剤層形成用組成物Aの代わりに、上記粘着剤層形成用組成物Cを用い、粘着シートAと同様に調製して、粘着シートDとした。
粘着シートAの代わりに粘着シートDを用い、実施例1と同様に成形して、実施例1と同様の形状を有する貼付製剤を得た。
<粘着剤層形成用組成物Dの調製>
(a)高分子量のポリイソブチレン(「オパノールB200」;粘度平均分子量=4×106、BASF社製)、(b)中分子量ポリイソブチレン(「オパノールB12N」;粘度平均分子量=5.5×104、BASF社製)、(c)粘着付与剤(「アルコンP-140」;脂環族飽和炭化水素樹脂、軟化点(環球法)=140±5℃、荒川化学工業株式会社製)を、(a):(b):(c)=20:40:40の重量比でトルエンに溶解し、粘着剤溶液(d)を調製した。(d)に、有機液状成分として(e)ミリスチン酸イソプロピル(「クロダモルIPM」;クローダジャパン株式会社製)、(f)オクチルドデカノール(「リソノール20SP」;高級アルコール工業株式会社製)、および(g)ビソプロロールを、(d)の固形分:(e):(f):(g)=67:28:3:2の重量比で混合し、粘着剤層を形成するための粘着剤層形成用組成物Dを得た。
粘着剤層形成用組成物Aの代わりに、上記粘着剤層形成用組成物Dを用い、粘着シートAと同様に調製して、粘着シートEとした。
粘着シートAの代わりに粘着シートEを用い、実施例1と同様に成形して、実施例1と同様の形状を有する貼付製剤を得た。
2 中央部
3 凸部
4 連接盛り上がり部
5 背割り部
6 支持体
7 粘着剤層
8 剥離ライナー
Claims (7)
- 支持体と、該支持体の少なくとも一方の面に配置されたビソプロロールまたはその塩を含有する粘着剤層と、該粘着剤層の前記支持体とは反対側の面に配置された剥離ライナーとを有する貼付製剤であって、
支持体、剥離ライナーおよび粘着剤層のそれぞれの平面形状が矩形であり、且つ、貼付製剤全体の平面形状が矩形であり、
前記貼付製剤の角部において、その支持体側表面に凸部を有する、貼付製剤。 - 貼付製剤が、周辺部と、平面形状が矩形である中央部とを有し、該周辺部における貼付製剤の厚さは該中央部における貼付製剤の厚さよりも薄く、上記凸部が該中央部の角部に位置する、請求項1に記載の貼付製剤。
- 貼付製剤が、上記凸部を2個以上有し、かつ隣り合う凸部の間に、それら凸部における貼付製剤の厚さより貼付製剤の厚さの薄い帯状の連接盛り上がり部を有する、請求項1に記載の貼付製剤。
- 上記凸部の平面形状が、三角形状、台形状、三日月形状もしくは半円形状のいずれかである、請求項1に記載の貼付製剤。
- 上記剥離ライナーが、上記凸部を経由しない背割り部を有する、請求項1に記載の貼付製剤。
- 上記粘着剤層が有機液状成分を含む、請求項1に記載の貼付製剤。
- 上記粘着剤層が架橋されていない、請求項1に記載の貼付製剤。
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RU2012141030/15A RU2526194C2 (ru) | 2010-02-26 | 2011-02-23 | Адгезивный пластырь, содержащий бисопролол |
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2011
- 2011-01-26 JP JP2011014534A patent/JP5776079B2/ja active Active
- 2011-02-23 MX MX2012009912A patent/MX2012009912A/es not_active Application Discontinuation
- 2011-02-23 CA CA2791164A patent/CA2791164A1/en not_active Abandoned
- 2011-02-23 KR KR1020127022230A patent/KR101724779B1/ko active IP Right Grant
- 2011-02-23 EP EP11747418.9A patent/EP2540289A4/en not_active Withdrawn
- 2011-02-23 AU AU2011221293A patent/AU2011221293A1/en not_active Abandoned
- 2011-02-23 WO PCT/JP2011/054045 patent/WO2011105458A1/ja active Application Filing
- 2011-02-23 RU RU2012141030/15A patent/RU2526194C2/ru not_active IP Right Cessation
- 2011-02-23 NZ NZ602033A patent/NZ602033A/xx not_active IP Right Cessation
- 2011-02-23 CN CN2011800110237A patent/CN102770130A/zh active Pending
- 2011-02-23 BR BR112012021423A patent/BR112012021423A2/pt not_active IP Right Cessation
- 2011-02-23 US US13/581,166 patent/US20130006203A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
EP2540289A4 (en) | 2014-07-09 |
NZ602033A (en) | 2013-07-26 |
KR20130055561A (ko) | 2013-05-28 |
RU2526194C2 (ru) | 2014-08-20 |
CN102770130A (zh) | 2012-11-07 |
CA2791164A1 (en) | 2011-09-01 |
AU2011221293A1 (en) | 2012-09-13 |
US20130006203A1 (en) | 2013-01-03 |
JP5776079B2 (ja) | 2015-09-09 |
KR101724779B1 (ko) | 2017-04-07 |
MX2012009912A (es) | 2012-11-23 |
EP2540289A1 (en) | 2013-01-02 |
RU2012141030A (ru) | 2014-04-10 |
JP2011195565A (ja) | 2011-10-06 |
BR112012021423A2 (pt) | 2016-05-24 |
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