Title:
POLYESTER AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2009077719
Kind Code:
A
Abstract:
To provide a high-molecular-weight and practicable polyester slight in discoloration using a raw material derived from a biomass resource.
The polyester is such that a dicarboxylic acid constituting the main recurring unit of the polyester is derived from a biomass resource, the nitrogen atom content of the dicarboxylic acid is 0.01-2,000 mass ppm based on the dicarboxylic acid. In this polyester, it is preferable that the yellowness index (YI) of the dicarboxylic acid be 10 or less and the dicarboxylic acid be succinic acid.
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Inventors:
KATO SATOSHI
AOSHIMA NORIYUKI
SHINTANI NOBORU
UEDA TADASHI
YAMAGISHI KENJI
ISOTANI ATSUSHI
AOSHIMA NORIYUKI
SHINTANI NOBORU
UEDA TADASHI
YAMAGISHI KENJI
ISOTANI ATSUSHI
Application Number:
JP2008261317A
Publication Date:
April 16, 2009
Filing Date:
October 08, 2008
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
C12P7/46; C07C29/154; C07C31/20; C07C51/43; C07C55/10; C08G63/16; C07B61/00; C08L101/16; C12N15/09; C12P7/18
Domestic Patent References:
| JPH03151884A | 1991-06-28 | |||
| JP2004196768A | 2004-07-15 | |||
| JP2005095169A | 2005-04-14 | |||
| JP2004196768A | 2004-07-15 |
Foreign References:
| WO2005030973A1 | 2005-04-07 |
Attorney, Agent or Firm:
Norio Kakizawa
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