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The physical properties of moulded silk were influenced by the properties of fibroin powder. Very little breakage was observed in the moulded silk made from silk fibroin treated with calcium chloride. When treated with sulfuric acid, however, the amorphous region of fibroin was damaged and highly crystalline powder was produced. Longer treatment with sulfuric acid damaged the crystalline part, decreasing the strength of the moulded silk. Treatment with sulfuric acid for 2 h was most suitable for silk moulding. The strength of moulded silk was high when the fibroin powder contained 8% water. Treatment for 30 min at 120°C under a pressure of 750 kg cm -2 were the optimum conditions

Посилання на статтю:

Effect of preparation method of powdered silk on the mechanical properties of moulded silk / Daijirou Akiyama and Kiyoshi Hirabayashi // Polymer. – 1994. – Vol 35. – P. 2355-2358.

Effect of preparation method of powdered silk on the mechanical properties of moulded silk - Завантажити.