Physical properties and structure of silk. III. The glass transition and conformational changes of tussah silk fibroin
โ Scribed by Jun Magoshi; Yoshiko Magoshi; Shigeo Nakamura
- Publisher
- John Wiley and Sons
- Year
- 1977
- Tongue
- English
- Weight
- 137 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0021-8995
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Silk filament is spun by domestic silkworm, Bombyx mori. Wild silkworms also produce the same type of fibrous proteins, fibroins, which are practically used for silk gut or spinning yarn. Previously, we have reported the glass transition temperatures of fibroins obtained from domestic silkworm1.2 an
Structural changes of tussah ( Antheraea pernyi ) silk fibroin films induced by heat treatment were studied as a function of the treatment temperature in the range 200-250ะC. The DSC curve of tussah films with a-helix molecular conformation displayed characteristic endo and exo peaks at 216 and 226ะ
This article deals with the characterization of blend films obtained by mixing silk fibroin (SF) and polyacrylamide (PAAm). The DSC curves of SF/PAAm blend films showed overlapping of the main thermal transitions characteristic of the individual polymers. The exothermic peak at 218ยฐC, assigned to th