Nitto-denko Corporation

Ryoko Asai

Yosuke Shimizu

Naofumi Kosaka

Kenichi Okada

Masayuki Okamoto

Satoshi Honda

Taiki Shimokuri

Kayo Shimokawa

Yoshiaki Ito

Masayuki Satake

Masahiko Ando

Tomonari Naito

Atsushi Takashima

Shou Takarada

Naoki Kurata

Satoru Suzuki

Toshitaka Suzuki

Yuka Sekiguchi

Tatsuya Yamasaki

Ginji Mizuhara

Tsuyoshi Hiramatsu

Takumi Yutou

Masato Shirai

Rie Hayashiuchi

Kensuke Tani

Asuka Endo

Yoshiko Kira

Provided is a photo-crosslinkable PSA comprising a polymer having side-chain benzophenone structures. The photo-crosslinkable PSA is a cured product of a PSA composition comprising an ethylenically unsaturated compound and a benzophenone structure-containing component. The photo-crosslinkable PSA has VOC emissions of 500 μg/g or less. Also provided is a PSA sheet having a PSA layer formed from the photo-crosslinkable PSA.

Photo-crosslinkable pressure-sensitive adhesive and use thereof

Provided is a PSA sheet having a PSA layer. The PSA layer has a multilayer structure comprising a layer A forming one face of the PSA layer and a layer B placed on the backside of the layer A. The layer B is a photo-crosslinkable PSA layer comprising a photo-crosslinkable polymer.

Pressure-sensitive adhesive sheet and use thereof

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 NO reduction rate of 40% or higher, wherein N2 is a water-peel strength measured after stored at room temperature for one day, 20 μL 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°.

Pressure-sensitive adhesive sheet and method for peeling pressure-sensitive adhesive sheet

Provided is an optical PSA composition that can be easily peeled using an aqueous liquid such as water and has sufficient adhesive strength. An optical PSA composition comprising an acrylic polymer is provided. The PSA composition comprises at least one species of compound A selected among surfactants and compounds having polyoxyalkylene backbones. The monomers forming the acrylic polymer comprises less than 20 wt % alkoxyalkyl (meth)acrylate and less than 20 wt % alkoxypolyalkylene glycol (meth)acrylate. Alternatively, the compound A content is less than 1 part by weight to 100 parts by weight of the acrylic polymer.

Optical pressure-sensitive adhesive composition and use thereof

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25&#xb0; C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.

Adhesive composition, adhesive layer and adhesive sheet

A curable resin composition for forming an adhesive layer on at least one surface of a substrate (C), the curable resin composition comprising: wherein X represents a functional group containing a reactive group, and Rand Reach independently represent a hydrogen atom or an optionally substituted, aliphatic hydrocarbon, aryl, or heterocyclic group; and

Curable resin composition, polarizing film and method for manufacture thereof, optical film, and image display device

The present invention provides a pressure-sensitive adhesive tape for preventing adhesion of aquatic organisms, which includes an antifouling layer, a base material layer and a pressure-sensitive adhesive layer in this order, which has the base material layer composed of an inexpensive material, and which has high adhesion between the antifouling layer and the base material layer without performing the easy adhesion treatment, for example, a primer treatment or a corona treatment. A pressure-sensitive adhesive tape for preventing adhesion of aquatic organisms of the present invention comprises an antifouling layer, a base material layer and a pressure-sensitive adhesive layer in this order, wherein the base material layer contains an ionomer resin.

Adhesive tape for preventing adhesion of aquatic organisms

A film for a pressure-sensitive adhesive tape is a film for a pressure-sensitive adhesive tape, including a non-pressure-sensitive adhesive layer on one surface of a plastic film, where the non-pressure-sensitive adhesive layer includes a mixed layer of a silicone and a (meth)acrylic polymer; and the (meth)acrylic polymer has a calculated Tg of 10&#xb0; C. or more.

Film for pressure-sensitive adhesive tape and pressure-sensitive adhesive tape

Growing community of inventors

Ibaraki, Japan

Ryoko Asai