Title:
ジアミン／ジカルボン酸塩の製造方法
Document Type and Number:
Japanese Patent JP2014524928
Kind Code:
A
Abstract:
Processes are disclosed for preparing a diamine/dicarboxylic acid salt, wherein the dicarboxylic acid includes an aromatic dicarboxylic acid and is provided in a powder form. The diamine is provided in a liquid form gradually dosed to the dicarboxylic acid powder, while keeping the dicarboxylic acid powder in constant movement; the processing temperature is above 0° C. and below the boiling temperature of the diamine and the melting temperature of the acid and the salt, and the reaction mixture comprises at most 5 wt. % of water. An anhydrous diamine/dicarboxylic acid salts obtained by the process are also provided.
Inventors:
Grollman and Eric
ラルケンズ and Rudi
ラルケンズ and Rudi
Application Number:
JP2014522099A
Publication Date:
September 25, 2014
Filing Date:
July 26, 2012
Export Citation:
Assignee:
DSM IP アセッツ B. buoy.
International Classes:
C07C51/41; C07C55/14; C07C55/20; C07C63/28; C07C211/09; C07C211/12; C08G69/28
Domestic Patent References:
| JPS4993314A | 1974-09-05 | |||
| JP2001513820A | 2001-09-04 | |||
| JPH0399035A | 1991-04-24 | |||
| JP2001172238A | 2001-06-26 | |||
| JP2000103847A | 2000-04-11 | |||
| JPH07228694A | 1995-08-29 |
Foreign References:
| WO2011118441A1 | 2011-09-29 | |||
| WO2012070457A1 | 2012-05-31 | |||
| US3869400A | 1975-03-04 | |||
| WO2005012218A1 | 2005-02-10 |
Attorney, Agent or Firm:
Ikeda Adult
Noda Masakazu
Kazuhiro Yamaguchi
Yoshinori Shimizu
Noda Masakazu
Kazuhiro Yamaguchi
Yoshinori Shimizu