Title:
ポリエステルポリオール、それを用いたポリウレタン及び硬質ポリウレタンフォーム
Document Type and Number:
Japanese Patent JP4512491
Kind Code:
B2
Abstract:
A polyester polyol which, when used as a starting-material polyol for polyurethanes, especially rigid polyurethane foams, not only has a low viscosity and satisfactory handleability but has high compatibility with blowing agents, especially an HFC blowing agent such as HFC-245fa and/or HFC-365mfc. The polyester polyol is one obtained by esterifying a polycarboxylic acid with alcohols, the alcohols containing 2 to 40 wt.% at least one member selected from the group consisting of 1-hydroxy-2-acetoxybutane, 1-acetoxy-2-hydroxybutane, and 1,2-diacetoxybutane.
Inventors:
Kazuhiro Maruyama
Seiji Ikemoto
Yujiro Ikejiri
Sayaka Nagashima
Seiji Ikemoto
Yujiro Ikejiri
Sayaka Nagashima
Application Number:
JP2004546492A
Publication Date:
July 28, 2010
Filing Date:
October 28, 2003
Export Citation:
Assignee:
Kawasaki Chemical Industry Co., Ltd.
Mitsubishi Chemical Corporation
Mitsubishi Chemical Corporation
International Classes:
C08G63/12; C08G18/42; C08J9/04; C08J9/12
Domestic Patent References:
| JPH08311183A | 1996-11-26 | |||
| JP2002114840A | 2002-04-16 | |||
| JP2002220430A | 2002-08-09 |
Attorney, Agent or Firm:
Kenji Izumina
Toshiharu Ogawa
Ryozo Yamamoto
Toshiharu Ogawa
Ryozo Yamamoto