Title:
芳香族カーボネートの製造方法
Document Type and Number:
Japanese Patent JP5014787
Kind Code:
B2
Abstract:
A process for producing an aromatic carbonate, which comprises the steps of: (I) transesterifying a starting material selected from the group consisting of a dialkyl carbonate, an alkyl aryl carbonate and a mixture thereof with a reactant selected from the group consisting of an aromatic monohydroxy compound, an alkyl aryl carbonate and a mixture thereof, in the presence of a catalyst, to thereby obtain a high boiling point reaction mixture comprising an aromatic carbonate (a) and an aromatic carbonate ether (b), while withdrawing a low boiling point reaction mixture containing a low boiling point by-product; and (II) separating the aromatic carbonate ether (b) from the high boiling point reaction mixture to thereby obtain a high purity aromatic carbonate.
Inventors:
Masahiro Tojo
Yuki Miyaji
Yuki Miyaji
Application Number:
JP2006514798A
Publication Date:
August 29, 2012
Filing Date:
June 17, 2005
Export Citation:
Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
C07C68/06; C07B61/00; C07C69/96; B01J23/14
Domestic Patent References:
| JP2003300936A | 2003-10-21 | |||
| JP2004131421A | 2004-04-30 | |||
| JPH04211038A | 1992-08-03 |
Foreign References:
| WO2002040439A2 | 2002-05-23 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Shinji Oga
Toshifumi Onuki
Shinji Oga
Toshifumi Onuki