Title:
METHOD FOR PRODUCING CYCLIC POLYARYLENE SULFIDE
Document Type and Number:
WIPO Patent Application WO/2013/061561
Kind Code:
A1
Abstract:
A method for producing cyclic polyarylene sulfide from a reaction mixture including at least a sulfide agent (a), a dihalogenated aromatic compound (b), and an organic polar solvent (c); wherein the method comprises: a step (1) for heating and reacting the reaction mixture, there being 0.80 to less than 1.05 moles of arylene units per mole of sulfur component in the reaction mixture; and, after the step (1), a step (2) for adding the dihalogenated aromatic compound (b) so that there are 1.05 to 1.50 moles of arylene units per mole of sulfur component in the reaction mixture, and thereafter reacting the resulting mixture.
Inventors:
ODASHIMA TOMOYUKI (JP)
HORIUCHI SHUNSUKE (JP)
KUMAGAI NAOTO (JP)
YAMAUCHI KOJI (JP)
HORIUCHI SHUNSUKE (JP)
KUMAGAI NAOTO (JP)
YAMAUCHI KOJI (JP)
Application Number:
PCT/JP2012/006737
Publication Date:
May 02, 2013
Filing Date:
October 22, 2012
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C07D341/00; C08G75/02; C08G75/0209; C08G75/0254; C08G75/0259; C08G75/0281
Domestic Patent References:
| WO2008105438A1 | 2008-09-04 | |||
| WO2008105438A1 | 2008-09-04 |
Foreign References:
| JP2011068885A | 2011-04-07 | |||
| JP2011149014A | 2011-08-04 | |||
| JP2009227972A | 2009-10-08 | |||
| JP2009149863A | 2009-07-09 | |||
| JP3200027B2 | 2001-08-20 | |||
| US5869599A | 1999-02-09 | |||
| JP2009030012A | 2009-02-12 | |||
| JP2011068885A | 2011-04-07 | |||
| JP2007231255A | 2007-09-13 | |||
| JP2009149863A | 2009-07-09 | |||
| JP2010037550A | 2010-02-18 | |||
| JPS453368B | ||||
| JPS5212240B2 | 1977-04-05 | |||
| JPS633375B2 | 1988-01-23 | |||
| JPH05163349A | 1993-06-29 | |||
| JPH1077408A | 1998-03-24 |
Other References:
BULL, ACAD. SCI., vol. 39, 1990, pages 763 - 766
See also references of EP 2757124A4
See also references of EP 2757124A4
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Akinari international patent firm (JP)
Patent business corporation Akinari international patent firm (JP)
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