SUCCINIC ACID-BASED COMPOSITION, DIALKYL SUCCINATE, ETC., AND METHOD FOR PRODUCING THE SAME

Title:

SUCCINIC ACID-BASED COMPOSITION, DIALKYL SUCCINATE, ETC., AND METHOD FOR PRODUCING THE SAME

Document Type and Number:

Japanese Patent JP2007254354

Kind Code:

A

Abstract:

To provide a method for industrially advantageously producing a succinic acid-based composition by separating water from a dilute aqueous solution of ammonium succinate, preferably from a biomass-derived aqueous solution of ammonium succinate while making a partial deammoniation of the ammonium succinate, and to provide a technology of industrially advantageously converting the above composition to a polyester feedstock.

The method for industrially advantageously producing the succinic acid-based composition comprises separating water from a dilute aqueous solution of ammonium succinate, preferably from a biomass-derived aqueous solution of ammonium succinate while making a partial deammoniation reaction of the ammonium succinate. A method for producing a dialkyl succinate, succinic acid or succinic anhydride from the above composition is provided. Furthermore, a method for producing 1,4-butanediol from the above composition, the dialkyl succinate, succinic acid or succinic anhydride is also provided.

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Inventors:

MASUDA TAKASHI
OISHI AKIHIRO
TAGUCHI YOICHI
OKINO YOSHIRO
OZAKI KENJI

Application Number:

JP2006080747A

Publication Date:

October 04, 2007

Filing Date:

March 23, 2006

Export Citation:

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Assignee:

NAT INST OF ADV IND & TECHNOL
SHOWA HIGHPOLYMER

International Classes:

C07C51/02; C07C55/10; C07C67/08; C07C69/40; C07C231/02; C07C233/05; C07D207/404; C12P7/46

Domestic Patent References:

JPH072766A	1995-01-06
JP2005132836A	2005-05-26
JP2005139156A	2005-06-02
JPH0782190A	1995-03-28
JP2005139156A	2005-06-02
JP2004532855A	2004-10-28
JP2005132836A	2005-05-26
JPH072766A	1995-01-06

Foreign References:

WO1997030962A1

1997-08-28

Attorney, Agent or Firm:

Minoru Terada

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