Title:
SOLVENT USED FOR DISSOLVING POLYSACCHARIDE AND METHOD FOR MANUFACTURING MOLDED ARTICLE AND POLYSACCHARIDE DERIVATIVE USING THIS SOLVENT
Document Type and Number:
WIPO Patent Application WO/2012/128315
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a solvent that can uniformly and rapidly dissolve a polysaccharide independent of the crystal form of the polysaccharide, a method for manufacturing a molded article and a method for manufacturing a polysaccharide derivative using this solvent. The solvent contains tetraalkylammonium acetate represented by the following formula and an aprotic polar solvent, where the content ratio of aprotic polar solvent is 35 wt% or higher; [Formula 1] where R1, R2, R3, and R4 each independently represent alkyl groups having 3 to 6 carbon atoms.
Inventors:
LIN LIANZHEN (JP)
YAMAGUCHI HIDEKI (JP)
TSUCHII KANAME (JP)
YAMAGUCHI HIDEKI (JP)
TSUCHII KANAME (JP)
Application Number:
PCT/JP2012/057321
Publication Date:
September 27, 2012
Filing Date:
March 22, 2012
Export Citation:
Assignee:
KRI INC (JP)
LIN LIANZHEN (JP)
YAMAGUCHI HIDEKI (JP)
TSUCHII KANAME (JP)
LIN LIANZHEN (JP)
YAMAGUCHI HIDEKI (JP)
TSUCHII KANAME (JP)
International Classes:
C08L1/00; C08K5/19; C08L3/00; C08L5/00
Foreign References:
| JPH01193337A | 1989-08-03 | |||
| JPS60144332A | 1985-07-30 | |||
| JP2006137677A | 2006-06-01 | |||
| US3447939A | 1969-06-03 | |||
| JPH08158148A | 1996-06-18 | |||
| US6824599B2 | 2004-11-30 | |||
| JP2008535992A | 2008-09-04 | |||
| JPH01193337A | 1989-08-03 |
Other References:
See also references of EP 2690132A4
C.L.MCCORMICK; D.K.LICHATOWICH, J. POLYM. SCI. :POLYM. LETT. ED., vol. 17, 1979, pages 479 - 484
C.L.MCCORMICK; D.K.LICHATOWICH, J. POLYM. SCI. :POLYM. LETT. ED., vol. 17, 1979, pages 479 - 484
Attorney, Agent or Firm:
MOMII, Takafumi (JP)
Takafumi Momii (JP)
Takafumi Momii (JP)
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Claims: