Nitto-denko Corporation

Kaneka Corporation

Atsushi Hamada

Katsuhiro Okada

Takashi Kinoshita

Tomonari Naito

Shintaro Komitsu

Hirofumi Ebe

Kazuhiko Ueda

Takashi Tsuji

Eiichi Imoto

Toshiyuki Yoshikawa

Tetsuo Watanabe

Kenji Furumori

Takashi Habu

Fumiya Shirai

Miki Funahashi

Tsuyoshi Kasahara

Yoshio Funakoshi

Seishi Suzuki

Jun Ishikura

Namiko Murayama

Hiroshi Hatanaka

Noriyuki Kikuta

Tokuji Nakanishi

Yukisama Sawada

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.

Patch and patch preparation

The problem of the present invention is to provide a pressure-sensitive adhesive sheet for skin adhesion, having an adhesive layer, which can be formed without using an organic solvent, shows superior adhesion performance to the skin, and shows extremely mild irritation to the skin and stratum corneum damage. To solve the problem, the present invention provides a pressure-sensitive adhesive sheet for skin adhesion, which has a substrate and an adhesive layer laminated on the substrate, wherein the adhesive layer is obtained by curing an adhesive composition containing polyether polymer (A) having at least one alkenyl group on the terminal, compound (B) having 1-10 hydrosilyl groups in a molecule and hydrosilylation catalyst (C).

Pressure-sensitive adhesive sheet for application to skin

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 0.005-2 parts by weight of a silane monomer copolymerizable with the ester, and an organic liquid component compatible with the copolymer; a medical adhesive containing a water-dispersed copolymer obtained by copolymerizing a monomer mixture containing (meth)acrylic acid alkyl ester and a silane monomer copolymerizable with the ester, and an organic liquid component compatible with the copolymer, wherein the gel fraction after crosslinking of the copolymer is 40-80 wt %, and the weight average molecular weight of a sol component after crosslinking is not less than 300000; and a medical adhesive tape or sheet having the medical adhesive at least on one surface of a support.

Medical adhesive and medical adhesive tape or sheet

A base film for medical adhesive tape is described, which is obtained by laminating, over one side or both sides of layer A composed of amorphous polyolefin, layer B composed of a polypropylene-based resin. A medical adhesive tape equipped with a pressure-sensitive adhesive layer on at least one side of the base film for medical adhesive tape; an adhesive plaster obtained by rolling the medical adhesive tape having the base film equipped with the pressure-sensitive adhesive layer; and a first-aid adhesive tape comprising the medical adhesive tape having the base film equipped with the pressure-sensitive adhesive layer and a liquid-absorbing pad disposed in a central region of the pressure-sensitive adhesive layer are also described.

Base film for medical adhesive tape, and medical adhesive tape, adhesive plaster and first-aid adhesive tape produced using the film

The present medical pressure-sensitive adhesive tape or sheet, comprises: a supporting base material; and an adhesive layer laminated directly or indirectly on the supporting base material, wherein the supporting base material contains: 1 to 50 parts by weight of at least one selected from the group consisting of a fatty acid, a fatty acid ester, a fatty acid amide, a higher alcohol, and a metal soap; and 100 parts by weight of at least one resin selected from the group consisting of an olefin thermoplastic elastomer, a styrene thermoplastic elastomer, and a polyester thermoplastic elastomer.

Medical pressure-sensitive adhesive tape or sheet, and first aid adhesive tape

Growing community of inventors

Osaka, Japan

Atsushi Hamada