Nitto-denko Corporation

Ihi Inspection and Instrumentation Co., Ltd.

Shigeki Ishiguro

Hiroki Senda

Satomi Yoshie

Shinsuke Ikishima

Akiko Tanaka

Minoru Kanatani

Masayoshi Natsume

Yoshio Nakagawa

Kooki Ooyama

Kayo Shimokawa

Shinichi Takada

Asuka Endo

Kenichi Okada

Hitoshi Takahira

Atsushi Takashima

Kaori Akamatsu

Kaori Mizobata

Yuka Sekiguchi

Masakazu Morimoto

Masato Shirai

Rie Hayashiuchi

Tetsuya Otsuka

Akiko Yoshida

Takahiro Yatagai

Aya Nagatomo

Yosuke Makihata

Naoki Okochi

Ryohei Oban

Tomohito Harada

Shintaro Fukumoto

Yoshiko Kira

Hidetoshi Maikawa

Takayuki Nishido

Shun Imagawa

Yoshiko Ogino

Hajime Yanagida

The present invention relates to a method for manufacturing a laminate, including: a laminating step of laminating a side of a thermal transfer layer of a thermal transfer sheet having a release sheet and the thermal transfer layer on at least a part of a surface of a resin member by heat bonding, in which the release sheet has no yield points, and has an elongation at break of 100% to 600% in a stress-strain curve measured by a tensile test at a molding temperature Tβ° C. in the laminating step.

Method for manufacturing laminate, method for manufacturing coated article, method for manufacturing bonded structure, thermal transfer sheet, and laminate

The present invention relates to a sensor package to be attached to an object, and the sensor package includes: a first substrate; an FBG sensor; a resin portion and a first pressure-sensitive adhesive layer positioned on the first substrate; and an adhesive layer positioned on a surface of the resin portion on a side opposite to the first substrate, in which the FBG sensor is held by the resin portion.

Sensor package and method for attaching sensor package

A laminated sheet includes a first porous layer including a plurality of fibers of at least one of inorganic fiber or carbonized fiber; and a second porous layer formed of a plurality of organic fibers, wherein the laminated sheet has a surface density of greater than or equal to 400 g/mand less than or equal to 1550 g/m, wherein the second porous layer is formed of the plurality of organic fibers having a mean diameter of fibers being greater than or equal to 0.5 μm and less than or equal to 14 μm, and wherein, expressing a total volume of solids and voids filling a unit volume of the second porous layer as 100%, a percentage of the solids is greater than or equal to 1.0% and less than or equal to 8.0%.

Laminated sheet

There is provided an electrically peelable adhesive composition that is for forming an adhesive layer which has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage. In addition, there is provided an adhesive sheet including an adhesive layer formed of the composition that has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage, and a joined body of the adhesive sheet and an adherend. The electrically peelable adhesive composition of the invention includes a polymer and an ionic liquid, in which an anion of the ionic liquid is a bis(fluorosulfonyl)imide anion. A content of the ionic liquid is preferably 0.5 to 30 parts by weight with respect to 100 parts by weight of the polymer.

Electrically peelable adhesive composition, adhesive sheet, and joined body

Provided are a polyester-based pressure-sensitive adhesive composition having high wetting ability and superior adherability and light peelability, and a pressure-sensitive adhesive sheet produced with such a pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition includes a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol; a fatty acid ester; and a crosslinking agent, wherein the polyester has a weight average molecular weight of 8,500 to 50,000, and the fatty acid ester has no additional functional group and has a molecular weight of 200 to 700. The polyester-based pressure-sensitive adhesive composition contains 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester.

Polyester adhesive composition and adhesive sheet

The purpose of the present invention is to provide: a polyester-based pressure-sensitive adhesive layer, for which a pressure-sensitive adhesive composition (pressure-sensitive adhesive solution) without any acrylic pressure-sensitive adhesive or the like which needs a large amount of an organic solvent and is difficult to apply thickly; to provide a polyester-based pressure-sensitive adhesive layer that is friendly to the global environment, can be applied thickly, has a high level of cost effectiveness and workability, and also has a high level of adhesion, retention, and repulsion resistance; and to provide a pressure-sensitive adhesive tape or double-sided pressure-sensitive adhesive tape having such a pressure-sensitive adhesive layer. The invention is directed to a polyester-based pressure-sensitive adhesive layer including a product made from a polyester-based pressure-sensitive adhesive composition including: a polyester obtained by polycondensation of at least a dicarboxylic acid component and a diol component; and a tackifier, the polyester-based pressure-sensitive adhesive layer having a gel fraction of 15% by weight or more to less than 40% by weight.

Pressure-sensitive adhesive layer, pressure-sensitive adhesive tape, and double-sided pressure-sensitive adhesive tape

A method of producing a polylactic acid based film or sheet with improved heat resistance and comprised of a resin composition containing a polylactic acid according to a melt film forming method, wherein the resin composition comprises polylactic acid (A), an acidic functional group-denatured olefin based polymer (B) containing an acidic functional group, and having an acid number of 10-70 mg KOH/g and a weight average molecular weight of 10,000-80,000, and a tetrafluoroethylene based polymer (C), which method comprises performing melt film formation at a temperature of the resin composition between the crystallization temperature (Tc) in a decreasing temperature process of the resin composition +15&#xb0; C. and the melting temperature (Tm) in a raising temperature process &#x2212;5&#xb0; C., or solidifying the resin composition melt-formed in a film state by cooling after a temperature controllable step at crystallization temperature (Tc) in the decreasing temperature process &#xb1;10&#xb0; C.

Method for producing a polylactic acid-based film or sheet

A film or sheet composed of a resin composition including a poly lactic acid (A), an acidic functional group-modified olefinic polymer (B) including an acidic functional group and having an acid value of 10 to 70 mg KOH/g and a weight average molecular weight of 10,000 to 80,000, a tetrafluoroethylene polymer (C), and an aromatic cyclic phosphazene-containing flame retardant (D) including a compound of Formula (I) and in (D) is included in an amount of 10 to 70 parts by weight based on 100 parts by weight of (A), and a method for manufacturing the film or sheet by melt film formation. 

Flame-retardant poly lactic acid-containing film or sheet, and method for manufacturing thereof

Polylactic acid film or sheet having tear strength so as not to break or tear during, for example, production or processing of the film or sheet or winding thereof into a roll, and causing neither melt nor deformation at high temperatures more than 100&#xb0; C. In the polylactic acid film or sheet, the tear strength is not less than 100 N/mm when the film or sheet is torn at least in a flow direction (MD), a rate of dimensional change due to heating is not more than &#xb1;3% in the flow direction (MD) and a transverse direction (TD), and a rate of dimensional change due to loaded heating is not more than &#xb1;3% in the flow direction (MD).

Polylactic acid film or sheet, and pressure-sensitive adhesive tape or sheet

A polyester-based pressure-sensitive adhesive layer, pressure-sensitive adhesive tape, and double-coated pressure-sensitive adhesive tape each having high durability (high heating humidification storage stability) and good adhesive properties are provided using a polyester-based pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition of the invention includes a polyester, a hydrolysis-resistant agent, a tackifier with an acid value of 8 or less and a softening point of 80 to 170&#xb0; C., and a crosslinking agent, and contains 20 to 100 parts by weight of the tackifier based on 100 parts by weight of the polyester.

Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer, pressure-sensitive adhesive tape, and double-coated pressure-sensitive adhesive tape

A polyester-based pressure-sensitive adhesive composition which can be produced even from plant-derived raw materials with no need of using a costly silicone-based pressure-sensitive adhesive or the like and which is usable for producing a pressure-sensitive adhesive sheet excellent in wettability to an adherend, light peelability (removability), anti-staining property (little adhesive residues), and workability, and to provide a pressure-sensitive adhesive sheet using the composition. A polyester-based pressure-sensitive adhesive composition comprising a polyester obtained by condensation polymerization of at least a carboxylic acid component and a diol component, and a crosslinking agent, wherein the carboxylic acid component contains a dicarboxylic acid having a side chain in an amount of 50 to 90% by weight and a tricarboxylic acid having a side chain in an amount of 10 to 50% by weight, and wherein the polyester has a weight average molecular weight of 5000 to 150000.

Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet

A polyester-based pressure-sensitive adhesive composition comprises a polyester obtained by condensation polymerization of at least a dicarboxylic acid having a side chain and a diol, a polyether polyol, and a crosslinking agent, wherein the polyester has a weight average molecular weight of 5000 to 50000, the polyether polyol contains a polyether polyol having hydroxyl groups at only part of terminals and/or all terminals, the polyether polyol having hydroxyl groups at only part of terminals has a number average molecular weight of 100 to 1500, and the polyether polyol having hydroxyl groups at only part of terminals is contained in an amount of 1 to 35 parts by weight based on 100 parts by weight of the polyester.

Provided are a film or sheet composed of a resin composition that includes a poly lactic acid (A), an acidic functional group-modified olefinic polymer (B) including an acidic functional group and having an acid value of 10 to 70 mg KOH/g and a weight average molecular weight of 10,000 to 80,000, a tetrafluoroethylene polymer (C), and a dicarboxylic acid ester-containing plasticizer (D) containing a compound of General Formula (1) and in which the dicarboxylic acid ester-containing plasticizer (D) is included in an amount of 8 parts by weight or more and less than 40 parts by weight based on 100 parts by weight of the poly lactic acid (A), and a method for manufacturing the film or sheet by melt film formation. Each sign in Formula is as described in the specification. 

Poly lactic acid-containing film or sheet, and method for manufacturing thereof

Efficiently produced is a release liner including a plant-derived film as a substrate and having a good appearance, releasability, and adhesion. A method according to the present invention produces a release liner having a plant-derived film substrate and, on at least one side thereof, a release coat layer derived from a thermosetting silicone resin. The method includes the steps as follows:

Method for producing release liner

A film or sheet composed of a resin composition including a poly lactic acid (A), an acidic functional group-modified olefinic polymer (B) including an acidic functional group and having an acid value of 10 to 70 mg KOH/g and a weight average molecular weight of 10,000 to 80,000, a tetrafluoroethylene polymer (C), and an aromatic cyclic phosphazene-containing flame retardant (D) including a compound of Formula (I) and in which (D) is included in an amount of 10 to 70 parts by weight based on 100 parts by weight of (A), and a method for manufacturing the film or sheet by melt film formation. 

Growing community of inventors

Ibaraki, Japan

Shigeki Ishiguro