Title:
LAMINATED FILM
Document Type and Number:
WIPO Patent Application WO/2011/122209
Kind Code:
A1
Abstract:
Disclosed is a laminated film—which comprises a resin layer provided to at least one surface of a thermoplastic resin film substrate—wherein said resin layer contains a sugar alcohol and/or a sugar alcohol derivative, and an acrylic-modified polyester of which the glass transition point of the acrylic resin component is at least 67°C; the mass ratio (mass of acrylic-modified polyester/total mass of sugar alcohol and sugar alcohol derivative) of said acrylic-modified polyester to said sugar alcohol and said sugar alcohol derivative is between 75/25 and 97/3 inclusive; the total contained amount of said acrylic-modified polyester, said sugar alcohol, and said sugar alcohol derivative is at least 65 mass% of said resin layer overall; and the haze value of said laminated film is no more than 2.0%. As a result, provided is a laminated film having excellent transparency and oligomer suppressiveness in a heat-treating step.
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Inventors:
OTA, Kazuyoshi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
太田一善 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
YANAGIBASHI, Masato (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
柳橋真人 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
太田一善 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
YANAGIBASHI, Masato (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
柳橋真人 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
Application Number:
JP2011/054684
Publication Date:
October 06, 2011
Filing Date:
March 02, 2011
Export Citation:
Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
東レ株式会社 (〒66 東京都中央区日本橋室町２丁目１番１号 Tokyo, 〒1038666, JP)
OTA, Kazuyoshi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
太田一善 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
YANAGIBASHI, Masato (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
東レ株式会社 (〒66 東京都中央区日本橋室町２丁目１番１号 Tokyo, 〒1038666, JP)
OTA, Kazuyoshi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
太田一善 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
YANAGIBASHI, Masato (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
International Classes:
B32B27/36; B32B7/02; C08J7/04
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Claims:
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