Title:
METHOD FOR PURIFYING TRIAZINE-RING-CONTAINING POLYMER
Document Type and Number:
WIPO Patent Application WO/2016/117531
Kind Code:
A1
Abstract:
Provided is a method for purifying a triazine-ring-containing polymer, the method including a first reprecipitation step for dripping a solution containing a triazine-ring-containing polymer into a poor solvent, and a first filtration step for adding an organic solvent selected from tetrahydrofuran, dioxane, 1,2-diemthoxyethane, 1-methoxy-2-(2-methoxyethoxy)ethane, dimethyl sulfoxide, N,N-dimethylformamide, N-methyl-2-pyrrolidone, N,N-diemethylacetamide, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 1-methoxy-2-propanol, and ethylene glycol and performing filtration.
Inventors:
NISHIMURA HITOHIRO (JP)
OTAKE YOSUKE (JP)
SHOJI TAKEAKI (JP)
OTAKE YOSUKE (JP)
SHOJI TAKEAKI (JP)
Application Number:
PCT/JP2016/051371
Publication Date:
July 28, 2016
Filing Date:
January 19, 2016
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
C08G73/06; B29B13/10
Domestic Patent References:
| WO2010128660A1 | 2010-11-11 |
Foreign References:
| JPS323145B1 |
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
Patent business corporation Hideaki international patent firm (JP)
Patent business corporation Hideaki international patent firm (JP)
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