Title:
スルホン酸樹脂触媒を用いるセルロースエステルの製造法
Document Type and Number:
Japanese Patent JP4101871
Kind Code:
B2
Abstract:
The present invention relates to a process for preparing cellulose esters having a total DS/AGU of 0.1 to 3.0, said process comprising contacting the following: (i) a cellulose material, (ii) a solubilizing amount of a solvent system comprising a carboxamide diluent or a urea-based diluent, (iii) an acylating reagent, and (iv) an insoluble sulfonic acid resin catalyst.
Inventors:
Edgar, Kevin Joseph
Application Number:
JP52105696A
Publication Date:
June 18, 2008
Filing Date:
December 15, 1995
Export Citation:
Assignee:
EASTMAN CHEMICAL COMPANY
International Classes:
C08B3/00; C08B3/02; C08B3/06; C08B3/08
Domestic Patent References:
| JP6510805A | ||||
| JP58017101A | ||||
| JP58225101A | ||||
| JP6032801A |
Foreign References:
| US2705710 | ||||
| US2861069 | ||||
| US2992214 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Takashi Ishida
Tetsuji Koga