Title:
POLYESTER RESIN HYDROLYZATE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/137366
Kind Code:
A1
Abstract:
Provided is a polyester resin hydrolyzate production method comprising: a first hydrolysis unit in which a material to be processed which includes a polyester resin is exposed to a water vapor atmosphere and hydrolyzed to generate a first hydrolyzate; and a second hydrolysis unit in which the first hydrolyzate is heated by being placed in hot water and then further hydrolyzed to generate a second hydrolyzate. The first hydrolysis unit and the second hydrolysis unit are provided inside of one continuous closed space.
Inventors:
YAMAMOTO AKIYOSHI (JP)
TAKANASHI KOUICHI (JP)
ONISHI YOSHIHIRO (JP)
YOSHIKAWA TOSHIYUKI (JP)
MYOJIN MITSUYUKI (JP)
YASUJIMA ISAO (JP)
TAKANASHI KOUICHI (JP)
ONISHI YOSHIHIRO (JP)
YOSHIKAWA TOSHIYUKI (JP)
MYOJIN MITSUYUKI (JP)
YASUJIMA ISAO (JP)
Application Number:
PCT/JP2015/057069
Publication Date:
September 17, 2015
Filing Date:
March 10, 2015
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
YASUJIMA CO LTD (JP)
YASUJIMA CO LTD (JP)
International Classes:
C08J11/14; C07C31/20; C07C63/26
Domestic Patent References:
| WO2004041917A1 | 2004-05-21 |
Foreign References:
| JP2003183507A | 2003-07-03 | |||
| JP2003527363A | 2003-09-16 | |||
| JP2012219210A | 2012-11-12 | |||
| JP2008308416A | 2008-12-25 | |||
| JP2001335518A | 2001-12-04 |
Attorney, Agent or Firm:
Eikoh Patent Firm, P. C. et al. (JP)
Patent business corporation glory patent firm (JP)
Patent business corporation glory patent firm (JP)
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