Asahi Kasei Kogyo Kabushiki Kaisha

Asahi Kasei Kabushiki Kaisha

Masayuki Nakatani

Hirofumi Ono

Kazufumi Kawahara

Yamato Saito

Takashi Yamada

Yoko Fujimoto

Hiroko Kawaji

A resin composite film comprising a cellulose microfiber sheet and a resin, the resin composite film satisfying the following: (1) in a modulus mapping obtained by an examination of a cross-section with an AFM along the thickness direction, the fibers constituting the cellulose microfiber sheet have an average fiber diameter and a maximum fiber diameter, both calculated through image analysis, of 0.01-2.0 &#x3bc;m and 15 &#x3bc;m or smaller, respectively; and (2) at least one surface of the resin composite film has an overcoat resin layer having an average thickness, determined from the modulus mapping, of 0.3-100 &#x3bc;m.

Resin composite film including cellulose microfiber layer

Aromatic polyamide film, method for producing the same, and magnetic

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Tokyo, Japan

Masayuki Nakatani