Title:
セルロースの混合脂肪酸エステル、その溶液およびセルロースの混合脂肪酸エステルフイルム
Document Type and Number:
Japanese Patent JP4035181
Kind Code:
B2
Abstract:
Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of not more than 0.4. Cellulose acetate propionate has a degree of acetyl substitution (DSac) and a degree of propionyl substitution (DSpr), which preferably satisfy the formulas (I) to (III), and more preferably satisfy the formulas (I) to (IV). The present invention also provides a solution of cellulose acetate propionate and a cellulose acetate propionate film.
Inventors:
Yuichiro Suto
Hiroki Taniguchi
Hiroki Taniguchi
Application Number:
JP21667196A
Publication Date:
January 16, 2008
Filing Date:
July 30, 1996
Export Citation:
Assignee:
Daicel Chemical Industry Co., Ltd.
International Classes:
C08B3/16; C08J5/18; C08L1/14
Domestic Patent References:
| JP8231761A | ||||
| JP6501040A |
Foreign References:
| US2208569 | ||||
| GB528375B |
Attorney, Agent or Firm:
Yanagawa Yasuo