Fujifilm Corporation

Miyoko Hara

Yasuyuki Sasada

Akio Tamura

Tetsuro Mitsui

Toshiaki Hayashi

Naoki Koito

Takeshi Umehara

Reiko Inushima

Kana Sasahara

Provided are a film including a layer A, and a layer B provided on at least one surface of the layer A, in which an elastic modulus of the layer A at 160° C. is 100 MPa to 2,500 MPa, and a value of a difference L−Lbetween a value Lobtained by subtracting a weight residual rate of the layer A at 900° C. from a weight residual rate of the layer A at 440° C. and a value Lobtained by subtracting a weight residual rate of the layer B at 900° C. from a weight residual rate of the layer B at 440° C. is 80% or less.

Film and laminate

A film includes a layer A, and a layer B provided on at least one surface of the layer A, in which a ratio of an elastic modulus of the layer A at 160° C. to an elastic modulus of the layer B at 160° C. is 1.2 or more, and a thermal conductivity of the layer A is 0.05 W/(m·K) or more. A laminate includes a layer A, a layer B, and a metal layer or a metal wire, in this order, in which a ratio of an elastic modulus of the layer A at 160° C. to an elastic modulus of the layer B at 160° C. is 1.2 or more, and a thermal conductivity of the layer A is 0.05 W/(m·K) or more.

Film, laminate, and method of manufacturing the same

An embodiment of the present invention relates to a film including a layer A, and a layer B provided on at least one surface of the layer A, in which a dielectric loss tangent of the film is 0.010 or less, and a ratio of an absorbance of the layer B at a wavelength of 355 nm to an absorbance of the layer A at a wavelength of 355 nm is 0.45 or more and 1.00 or less, and a laminate including a film having a layer A and a layer B, and a metal layer or a metal wire on a B layer side of the film, in which a dielectric loss tangent of the film is 0.010 or less, and a ratio of an absorbance of the layer B at a wavelength of 355 nm to an absorbance of the layer A at a wavelength of 355 nm is 0.45 or more and 1.00 or less.

An object of the present invention is to provide a sealing method using a cover film where a problem of odor is not likely to occur and quick drying properties and sealability are high. The sealing method according to the present invention is a sealing method that is performed using at least a cover film and a sealing solvent, the cover film including a polymer layer provided on a transparent support, in which the sealing solvent is a solvent including at least one kind selected from the group consisting of an ester, an alcohol, a ketone, an ether, and an aromatic hydrocarbon, in a case where the sealing solvent is an ester, an alcohol, a ketone, or an ether, a boiling point of the sealing solvent is 80° C. to 170° C., and in a case where the sealing solvent is an aromatic hydrocarbon, a boiling point of the sealing solvent is 150° C. to 170° C.

Sealing method

A decorative illumination recording sheet that includes: a resin base; and a white layer that is disposed on the resin base and contains a white pigment and a binder, in which a colorant different from the white pigment is contained, and in a case where an average transmittance in a wavelength range of 400 nm to 700 nm is represented by Tv and an average transmittance in a wavelength range exceeding 700 nm, but not exceeding 800 nm is represented by Tr, Tv and Tr satisfy relationships expressed by the following Formulae (1) and (2), a method of manufacturing the decorative illumination recording sheet, a decorative illumination image sheet, a method of manufacturing the decorative illumination image sheet, and a decorative illumination signboard.40.0%&#x2264;Tv&#x3c;50.0%&#x2003;&#x2003;(1)40.0%&#x2264;Tr&#x3c;50.0%&#x2003;&#x2003;(2)

Decorative illumination recording sheet, method of preparing the same, decorative illumination image sheet, method of preparing the same, and decorative illumination signboard

Growing community of inventors

Shizuoka, Japan

Miyoko Hara