Title:
PREPARATION METHOD OF ACETYLATED CELLULOSE ETHER, AND ACETYLATED CELLULOSE ETHER PREPARED THEREBY
Document Type and Number:
WIPO Patent Application WO/2013/100357
Kind Code:
A1
Abstract:
Disclosed is a preparation method of an acetylated cellulose ether, and an acetylated cellulose ether prepared thereby. The preparation method of an acetylated cellulose ether comprises the following steps: dissolving an acetylated cellulose ether in an organic solvent to obtain a mixture containing an acetylated cellulose ether solution; removing an insoluble component which does not dissolve in the organic solvent, from the mixture; and injecting the mixture into water to precipitate an acetylated cellulose ether. An acetylated cellulose ether prepared by the method has a turbidity of less than 40 FTU.
Inventors:
SONG MIN JU (KR)
SON BYOUNG HEE (KR)
SON BYOUNG HEE (KR)
Application Number:
PCT/KR2012/009735
Publication Date:
July 04, 2013
Filing Date:
November 16, 2012
Export Citation:
Assignee:
SAMSUNG FINE CHEMICALS CO LTD (KR)
International Classes:
C08B11/08; C08B11/22
Foreign References:
| KR20110089662A | 2011-08-09 | |||
| JP2005283997A | 2005-10-13 | |||
| JPH08337601A | 1996-12-24 | |||
| JPH0647603B2 | 1994-06-22 | |||
| JPH02129201A | 1990-05-17 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
리앤목특허법인 (KR)
리앤목특허법인 (KR)
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