Kaneka Corporation

Osaka University

Kensuke Murashima

Mutsuaki Murakami

Masayuki Fujita

Makoto Kutsumizu

Satoshi Oku

Hirotsugu Ogi

Koichi Kusakabe

Yasunori Okada

Katsuhiro Chikuba

Itsuki Kusakabe

A biodegradable laminated article includes: a substrate layer; a first thermoplastic resin (A1) layer located on one side of the substrate layer and containing a polyhydroxyalkanoate resin; and a second thermoplastic resin (A2) layer located on the other side of the substrate layer and containing a polyhydroxyalkanoate resin. The weight per unit area of the first thermoplastic resin (A1) layer is from 10 to 200 g/m, and the weight per unit area of the second thermoplastic resin (A2) layer is from 0.1 to 5 g/m.

Biodegradable laminated article and method for producing the same

A method for preparing a graphite film includes steps of preparing a carbonized frame carbonized at a temperature Ta, and an aromatic polyimide film or a carbonized film of the aromatic polyimide film carbonized at a temperature Tb, assembling the carbonized frame and the aromatic polyimide film or the carbonized film of the aromatic polyimide film into an intermediary body, carbonizing the intermediary bodyat a temperature Td to produce a carbonized intermediary body, and graphitizing the carbonized intermediary body to produce the graphite film. The temperature Ta is larger than the temperature Tb and the temperature Tb is smaller than the temperature Td. The graphite film has a surface roughness expressed as an arithmetic mean height Sa of less than 18 nm, a thickness of 5 nm or more and less than 10 μm, and an area of 1.0 cmor more and less than 500 cm.

Method for preparing graphite film

A vibrator that is capable of vibrating without using an electrode and has good detection sensitivity is provided. A carbon-based material vibrator for vibration by light irradiation has a biological substance or a substance capable of identifying a biological substance immobilized on the vibrator. The vibrator may not include a counter electrode for applying a voltage to the vibrator. The carbon-based material may be graphite. A thermal conductivity λ1 in a plane direction of the carbon-based material is 100 times or more than a thermal conductivity λ2 in a thickness direction of the carbon-based material.

Carbon-based material vibrator, a sensor element having the same, and a biological substance detection device having the same

Anisotropic graphite and an anisotropic graphite composite are provided, each having excellent heat transmission performance and excellent long-term reliability as a heat transmitting element, and a production method for the anisotropic graphite composite. A face of anisotropic graphite which face is perpendicular to crystal orientation planes of graphite layers of the anisotropic graphite may be subjected to surface treatment so as to obtain anisotropic graphite having a specific surface roughness. An anisotropic graphite composite may include anisotropic graphite having an interface that has a specific interface roughness; a titanium-containing metal layer; and an inorganic material layer.

Anisotropic graphite, anisotropic graphite composite, and method for producing same

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Osaka, Japan

Kensuke Murashima