Title:
POLYMER PURIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/087964
Kind Code:
A1
Abstract:
A polymer purification method by which a polymer can be highly purified with high operability and volume efficiency and which includes a first re-precipitation processing step in which a solution containing a post-polymerization-reaction aromatic polyamide polymer, or a solution containing a post-polymerization-reaction triazine ring-containing polymer, is dripped into a heated poor solvent.
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Inventors:
YAMAGUCHI HIROKI (JP)
ODA TAKASHI (JP)
ODA TAKASHI (JP)
Application Number:
PCT/JP2014/082815
Publication Date:
June 18, 2015
Filing Date:
December 11, 2014
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
C08G69/46; C08G73/06
Foreign References:
JP2004196869A | 2004-07-15 | |||
JP2006124545A | 2006-05-18 | |||
JPS5571751A | 1980-05-30 | |||
JPS60187308A | 1985-09-24 | |||
JPH01308426A | 1989-12-13 | |||
JPS62256831A | 1987-11-09 | |||
JP2014162829A | 2014-09-08 |
Attorney, Agent or Firm:
KOJIMA Takashi et al. (JP)
Takashi Kojima (JP)
Takashi Kojima (JP)
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