| 摘要 |
PROBLEM TO BE SOLVED: To provide a new hollow protein fiber capable of being applied to a filter membrane or a separation membrane as an environmentally compatible type fiber material having biodegradability and attracting attention from a viewpoint of lightweight properties, heat insulating properties, heat retaining properties or the like. SOLUTION: The hollow protein fiber is a fiber mainly comprising protein and having a hollow structure. COPYRIGHT: (C)2003,JPO
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