Title:
MANUFACTURING METHOD FOR HYDROXYALKYL CELLULOSE
Document Type and Number:
Japanese Patent JP2012001579
Kind Code:
A
Abstract:
To provide a method for simply manufacturing, in a short time, a hydroxyalkyl cellulose the aqueous solution of which exhibits excellent transparency.
The manufacturing method for the hydroxyalkyl cellulose comprises allowing a washed alkali cellulose, obtained by washing alkali cellulose obtained from cellulose and an alkali metal hydroxide as raw materials with a washing liquid comprising methyl isobutyl ketone, methanol and water and subsequently with methyl isobutyl ketone, to react with an alkylene oxide.
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Inventors:
YANO SADAKI
MASUDA TAKESHI
SUZUKI MASAHIRO
MASUDA TAKESHI
SUZUKI MASAHIRO
Application Number:
JP2010135716A
Publication Date:
January 05, 2012
Filing Date:
June 15, 2010
Export Citation:
Assignee:
SUMITOMO SEIKA CHEMICALS
International Classes:
C08B11/08
Domestic Patent References:
JPS58196202A | 1983-11-15 | |||
JP2003171401A | 2003-06-20 | |||
JP2003012535A | 2003-01-15 | |||
JPH06199902A | 1994-07-19 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office
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