Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10603371 | Carbohydrate Polymers | 2013 | 6 Pages |
Abstract
Differential scanning calorimetry showed that the melting peak corresponding to dissociation of KC-KGM bonds decreased faster than the melting peak of KC-only bonds with increasing degree of polysaccharide degradation. The implication is that as degradation proceeds, fewer KGM molecules can interact with KC to form elastic bonds, and the excess of KGM which reinforces the existing elastic network and increases the fracture strain actually increases. For this reason, the fracture strain remains nearly unchanged with increasing degradation levels. A decrease in fracture strain is thus observed only at very severe degradations, where KC no longer forms a self-supporting gel by itself.
Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Kun Yang, Zheng Wang, Tetsuya Nakajima, Katsuyoshi Nishinari, Tom Brenner,