Title:
キトサンまたはDACの水溶解方法とその水溶液、キトサンまたはDAC水溶液による膜の形成方法と固体表面の被覆方法並びに糸の形成方法
Document Type and Number:
Japanese Patent JP4173305
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a process for the dissolution of chitosan or DAC(partially deacetylated chitin) in water and to provide a process for formation of covering film and the like of chitosan or DAC which are transparent, water-resistant and stable, by only drying the aqueous solution and removing the solvent. SOLUTION: The process for the dissolution comprises suspension of chitosan or DAC in water, then of carbon dioxide is bubbled and chitosan or DAC film, transparent and water-resistant, is formed from the aqueous solution.
Inventors:
Yasuo Sakai
Hisashi Yoshioka
Hisashi Yoshioka
Application Number:
JP2001366335A
Publication Date:
October 29, 2008
Filing Date:
November 30, 2001
Export Citation:
Assignee:
Yasuo Sakai
Hisashi Yoshioka
Hisashi Yoshioka
International Classes:
C08B37/08; B29C41/02; D01F9/00; B29L7/00
Domestic Patent References:
| JP6462302A | ||||
| JP5131788A | ||||
| JP3618318B2 |
Attorney, Agent or Firm:
Toshio Nishizawa