As cellulose triacetate is prepared from low-grade hardwood dissolving pulp, a considerable amount of the insoluble residue was present in the acetylation medium of the acetic acid/acetic anhydride/sulfuric acid system. The characterization of this residue indicated that the insoluble residue is com
โฆ LIBER โฆ
Effect of concentrated sulfuric acid and nitroethane on insoluble residues in acetylating medium of cellulose acetate prepared from low grade pulps
โ Scribed by G. M. Shashidhara; K. H. Guruprasad
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 177 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0021-8995
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As cellulose triacetate was prepared from low-grade hardwood-dissolving pulp, a considerable amount of the insoluble residue was present in the acetylation medium of the acetic acid/acetic anhydride/sulfuric acid system, and it consisted mainly of cellulose triacetate (CTA) and xylan diacetate (XDA)