Toray Industries, Inc.

Other

Isao Manabe

Kozo Takahashi

Masahiro Kimura

Teruya Tanaka

Ryosuke Matsui

Hideo Shoji

Mitsutaka Sakamoto

Yasushi Takada

Minoru Yoshida

Nobuyuki Sato

Toshiya Ieki

Saori Sumi

Atsushi Shiomi

Shinji Takauchi

Satoshi Nakamura

Mayumi Nakamura

Yosuke Takizawa

A release film satisfies formulas (I) and (II) when S1 (%) represents the maximum dimensional change rate between 30&#xb0; C. and 150&#xb0; C. when the temperature is raised from 30&#xb0; C. to 200&#xb0; C. at a rate of 10&#xb0; C./min, T1 (&#xb0; C.) represents the temperature at which S1 is obtained, and S0 (%) represents the dimensional change rate at 40&#xb0; C. The surfaces may have a surface free energy Sa (mN/mm) at 25&#xb0; C., surface free energy Sb (mN/mm) after having been subjected to a heat treatment at 180&#xb0; C. for 3 minutes, and surface free energy Sc (mN/mm) after having been stretched by 50% at 180&#xb0; C. that satisfy formulas (III) and (IV).0&#x2264;1&#x2264;1.5&#x2003;&#x2003;Formula (I):0&#x2264;|1&#x2212;0|/(1&#x2212;40)&#x2264;0.050&#x2003;&#x2003;Formula (II):0&#x2264;||&#x2264;15&#x2003;&#x2003;Formula (III):0&#x2264;||&#x2264;15&#x2003;&#x2003;Formula (IV):

Release film

A laminated polyester film includes a pigment-containing polyester layer A and wax-containing polyester layers B1 and B2 on both sides of the polyester layer A, wherein the film satisfies formulae (I) and (II), and the coefficient of variation of water contact angle for each layer B1 and layer B2 is not less than 0% and not more than 10%, when the contact angle with water is measured 10 times at arbitrary defined positions within the range of 200 mm&#xd7;200 mm:1&#x3e;&#x2003;&#x2003;(I)2&#x3e;&#x2003;&#x2003;(II)wherein Wb1 and Wb2 represent the wax content per unit area of the layer B1 and layer B2 respectively, and Wa represents the wax content per unit area of the layer A, and wherein the coefficient of variation represents a value obtained by dividing the standard deviation in values measured 10 times by the average value.

Laminated polyester film

A biaxially oriented polyester film for molding, wherein the film lengthwise-direction and widthwise-direction storage elastic moduli at 100&#xb0; C. are each greater than or equal to 100 MPa and less than or equal to 1000 MPa, the film lengthwise-direction and width-wise direction storage elastic moduli at 180&#xb0; C. are each greater than or equal to 41 MPa and less than or equal to 400 MPa, and the stresses at the time of 100% elongation (F100 values) in the film lengthwise direction and width direction at 150&#xb0; C. are each greater than or equal to 5 MPa and less than or equal to 60 MPa.

Biaxially oriented polyester film for molding

A polyester film has a maximum surface height on a surface A side (SRmaxA) of 1500 nm to 7000 nm, a maximum surface height on a surface B side (SRmaxB) of 5 nm or more but less than 7000 nm, the SRmaxA and the SRmaxB satisfying the following relation (1), and a strength at break at 25&#xb0; C. of 200 MPa to 330 MPa in both the longitudinal direction and the width direction.SRmaxA&#x3e;SRmaxB&#x2003;&#x2003;(1)

Polyester film, laminate including the film, and laminated assembly including the laminate and sealant layer

The present invention provides a film for forming which exhibits both excellent dimensional stability in processing and excellent formability as well as excellent appearance of surfaces and can thus be suitably applied to a variety of forming members through forming and used in forming decoration applications. Provided is a film for forming comprising a cyclic olefin-based resin as a main component, wherein the storage modulus at 120&#xb0; C. is 101 MPa to 3,000 MPa and the storage modulus at 170&#xb0; C. is 100 MPa or less.

Film for forming and forming transfer foil using same

A polyester film suitable for use in battery packages, particularly for use in deep drawn packages of lithium ion secondary batteries that includes an electrolyte (in a solid state or in a liquid state), and which is also suitable for use in packages of pharmaceutical products that have various shapes. The polyester film is characterized in that the stresses at 5% elongation (F5 values) and the stresses at 10% elongation (F10 values) of the film in the longitudinal direction and in the transverse direction at 25&#xb0; C., respectively, satisfy (I) and (II):1.5&#x2267;105&#x2267;1&#x2003;&#x2003;(I)1.5&#x2267;105&#x2267;1&#x2003;&#x2003;(II).

Polyester film and laminate using same

A polyester film includes ethylene glycol component that accounts for 60 mol % or more of the glycol components in the polyester film, containing a crystal nucleating agent up to 0.01 to 5 mass % relative to the entire polyester film that accounts for 100 mass %, and having a crystal melting energy, &#x394;Hm, of 5 to 35 J/g.

Polyester film

A biaxially oriented polyester film is provided, in particular, a biaxially oriented polyester film for molded part capable of being used suitably as a metallic molded part processed after metal deposition on a film surface and a surface protection film in forming a decorative sheet. Provided is a biaxially oriented polyester film for molded part, which is a polyester film that at least two layers of A layer composed of polyester A and B layer composed of polyester B are laminated, wherein

Biaxially oriented polyester film for molded part

A biaxially oriented polyester film includes at least three polyester resin layers A1/B/A2, and has a melting point in the range of 246 to 270&#xb0; C. The major component of the layers A1 and A2 is polyethylene terephthalate and the stress at 100% elongation in the film's longitudinal direction and width direction at 150&#xb0; C. and 200&#xb0; C. meets the following equations: 2&#x2266;(F100+F100)&#x2266;100 and 1&#x2266;F100&#x2266;60. The film has a high dimensional stability at high temperatures to permit uniform metal deposition, suffers little change in appearance during thermoforming, and serves for easy production of formed parts that closely meet the shape of the die when subjected to low-stress forming.

Growing community of inventors

Otsu, Japan

Isao Manabe