A resin composition including a polyester polyurethane resin (A); and an epoxy resin (B), in which a molecular weight per a urethane bond of the polyester polyurethane resin (A) is from 200 to 8,000, and a layered body including a resin composition layer, a layered body, a flexible copper-clad laminate, a flexible flat cable, or an electromagnetic wave shielding film, each using the resin composition.

A galley insert is provided. The galley insert comprising: a housing and a door. The housing is made from a first material that comprises: a first layer of continuous-fibre reinforced thermoplastic, CFRT, a second layer of CFRT, and a foam core arranged between the first and second layers of CFRT. The second layer forms an outermost surface of the housing. A method of making a galley insert is also provided.

Disclosed is a first method of providing a heating system to an outer skin of an aircraft, that has the steps of forming laser-induced graphene (LIG) on a polymer sheet by directing laser energy towards the polymer sheet; coupling electrical leads to the LIG; and bonding the polymer sheet against the outer skin or erosion protection layer secured to the outer skin so that to the polymer sheet conforms with a shape of the outer skin.

Provided are a glass substrate multilayer structure including a glass substrate; a polyimide-based shatter-proof layer formed on one surface of the glass substrate; and a hard coating layer formed on the polyimide-based shatter-proof layer. The polyimide-based shatter-proof layer has a thickness of 5 to 50 μm, the hard coating layer has a thickness of 5 to 20 μm, and the glass substrate multilayer structure has a retardation in a thickness direction (R.sub.th) of 200 nm or less. A method for manufacturing the glass substrate multilayer structure, and a display panel including the glass substrate multilayer structure are also provided.

The present invention discloses a polyimide-based composite carbon film with high thermal conductivity and a preparation method therefor. The preparation method includes: uniformly coating the surface of a polyimide-based carbon film with an aqueous graphene oxide solution, and then covering the same with another polyimide-based carbon film uniformly coated with an aqueous graphene oxide solution; repeating such operation; after the polyimide-based carbon films are dried, bonding the polyimide-based carbon films by means of graphene oxide so as to form a thick film; bonding the polyimide-based carbon films more tightly by means of further low-temperature hot pressing; and finally, obtaining a thick polyimide-based carbon film with high thermal conductivity by repairing defects by means of low-temperature heating pre-reduction and high-temperature and high-pressure thermal treatment. The thick polyimide-based carbon film with high thermal conductivity has a thickness greater than 100 μm and an in-plane thermal conductivity of even reaching 1700 W/mK or above.

To provide a molded product, a metal-clad laminate and a printed wiring board, each of which contains a tetrafluoroethylene type polymer, whereby an decrease in electrical characteristics is inhibited and a hole can be easily bored with UV-YAG laser; and methods for their production. A molded product containing a tetrafluoroethylene type polymer, in which the content of components other than the tetrafluoroethylene type polymer is at most 0.9 mass %, and which has a wavelength range where the extinction coefficient becomes to be from 1.2 to 4.5 at from 200 to 380 nm; and a method for its production. A metal-clad laminate having a conductive metal layer and a layer of the molded product; and a method for its production. A printed wiring board provided with the metal-clad laminate and having through-holes in the thickness direction of the polymer layer.

Provided herein is a method for manufacturing a polyimide film, the method including the steps of: preparing a polyamic acid solution; preparing a polyamic acid composition by adding a dehydrating agent and an imidizing catalyst to the polyamic acid solution; and applying the polyamic acid to a support to form a film, followed by thermosetting the film in a heater, wherein the thermosetting step comprises a first heating step, a second heating step, and a third heating step, each of the first, the second, and the third step being carried out in a processing temperature range of 100° C. to 550° C.

Provided is an electrophotographic belt having an endless shape including a base layer, wherein the base layer includes a polyimide film containing polyimide serving as a binder resin and a carbon nanotube, wherein the polyimide has an imidization ratio of 80% or more, wherein the carbon nanotube has at least one resin selected from the group consisting of: polyphenylsulfone; polysulfone; and polyethersulfone present on at least part of a surface thereof. The base layer has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction.

A waterproof sound-transmitting sheet, which interposes an adhesive layer composed of a material having micropores formed therein, thus smoothing the flow of the air between a waterproof sound-transmitting layer and a support layer. The waterproof sound-transmitting sheet includes a waterproof sound-transmitting layer formed of a film having elasticity, an adhesive layer having one surface adhered to one surface of the waterproof sound-transmitting layer, and a support layer having one surface adhered to the other surface of the adhesive layer; and the adhesive layer includes a substrate having a pore formed therein and an adhesive agent formed on both surfaces of the substrate.

For a flexible, optically clear display stack, an adhesive, a system, and a method are provided. The adhesive is formed of polymer chains, at least a portion of which are cross-linked, a non-volatile diluent having a volume % in the range of between about 40 and 95, and is characterized with a low shear modulus of less than 10 kPa. The system is formed by at least first and second optically clear thin films with the adhesive disposed between the first and second thin films. The method includes the steps to form the system.