PROCESS FOR PRODUCTION OF POLYURETHANE, AND USES OF POLYURETHANE PRODUCED THEREBY

WIPO Patent Application WO/2010/064612

A1

Provided is a process for production of a polyurethane urea from a polyether polyol, a polyisocyanate compound, and a chain extender, by which a polyurethane and a polyurethane urea that exhibit low tackiness and high peelability can be produced.  Disclosed is a process for production of a polyurethane using (a) a polyhydroxylated hydrocarbon polymer having at least one hydroxyl group at the molecular end, (b) a polyether polyol, (c) a polyisocyanate compound, and (d) a chain extender, which is characterized in that the production is conducted in the presence of an aprotic polar solvent.

NAKAGAWA Yoko (1 Toho-cho, Yokkaichi-sh, Mie 30, 〒5108530, JP)
中川　陽子 (〒30 三重県四日市市東邦町１番地　三菱化学株式会社内 Mie, 〒5108530, JP)
NISHIMURA Seijiro (1 Toho-cho, Yokkaichi-sh, Mie 30, 〒5108530, JP)
西村　誠二郎 (〒30 三重県四日市市東邦町１番地　三菱化学株式会社内 Mie, 〒5108530, JP)
TANIGUCHI Takanori (Inc. 1000, Kamoshida-cho, Aoba-ku, Yokohama-sh, Kanagawa 02, 〒2278502, JP)
谷口　貴紀 (〒02 神奈川県横浜市青葉区鴨志田町１０００番地　株式会社三菱化学科学技術研究センター内 Kanagawa, 〒2278502, JP)

JP2009/070136

June 10, 2010

November 30, 2009

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MITSUBISHI CHEMICAL CORPORATION (14-1, Shiba 4-chome Minato-k, Tokyo 14, 〒1080014, JP)
三菱化学株式会社 (〒14 東京都港区芝四丁目１４番１号 Tokyo, 〒1080014, JP)
NAKAGAWA Yoko (1 Toho-cho, Yokkaichi-sh, Mie 30, 〒5108530, JP)
中川　陽子 (〒30 三重県四日市市東邦町１番地　三菱化学株式会社内 Mie, 〒5108530, JP)
NISHIMURA Seijiro (1 Toho-cho, Yokkaichi-sh, Mie 30, 〒5108530, JP)
西村　誠二郎 (〒30 三重県四日市市東邦町１番地　三菱化学株式会社内 Mie, 〒5108530, JP)
TANIGUCHI Takanori (Inc. 1000, Kamoshida-cho, Aoba-ku, Yokohama-sh, Kanagawa 02, 〒2278502, JP)

C08G18/66; C08G63/664; D01F6/70

OGURI Shohei et al. (Eikoh Patent Firm, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)

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