FILM, METHOD FOR PRODUCING SAME, LAMINATED FILM OR SHEET, AND LAMINATE

WIPO Patent Application WO/2011/142453

A1

Disclosed is a film having both high crystallinity and transparency and surface smoothness, a laminated film or sheet thereof, and a laminate. Specifically disclosed is a film wherein the arithmetic average roughness is 0.1 - 20 nm for at least one surface containing a vinylidene fluoride resin (A) and a acrylic resin (B), the heat of crystal fusion is 18 - 40 J/g as measured by a differential scanning calorimeter, and the haze value is 3.5 or less. A resin composition containing 75 - 95% by mass of the vinylidene fluoride resin (A) having a melt mass flow rate of 10 [g/10 min] for conditions of 230°C and a load of 3.8 kg measured according to JIS K7210 and 5 - 25% by mass of the acrylic resin (B) is melt extruded, and a film is produced by making contact with at least one cold roll with a surface temperature of 35 - 75°C.

KONOKAWA, Yuhei (Mitsubishi Rayon Co. Ltd., 20-1, Miyukicho, Otake-sh, Hiroshima 93, 〒7390693, JP)
此川　祐平 (〒93 広島県大竹市御幸町２０番１号　三菱レイヨン株式会社中央技術研究所内 Hiroshima, 〒7390693, JP)

JP2011/061043

November 17, 2011

May 13, 2011

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MITSUBISHI RAYON CO., LTD. (6-41, Konan 1-chome Minato-k, Tokyo 06, 〒1088506, JP)
三菱レイヨン株式会社 (〒06 東京都港区港南一丁目６番４１号 Tokyo, 〒1088506, JP)
KONOKAWA, Yuhei (Mitsubishi Rayon Co. Ltd., 20-1, Miyukicho, Otake-sh, Hiroshima 93, 〒7390693, JP)

C08J5/18; B29C47/88; B32B27/30

MIYAZAKI, Teruo et al. (8th Floor, 16th Kowa Bldg. 9-20, Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)

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