| 摘要 |
PROBLEM TO BE SOLVED: To provide a new nonwoven fabric and a production method therefor. SOLUTION: The nonwoven fabric has a fiber diameter in a range of 10-1,000 nm and possesses an application as an ultraviolet light-blocking functional material, wherein a lamination thickness is preferably set in a range of 3-200μm. It is preferable that the nonwoven fabric contains any one kind selected from or a mixture formed by combining two or more kinds selected from a group of a nylon 6, nylon 66, polyurethane, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polyethylene, polyester, polystyrene, polypropylene, phenol formaldehyde, polyvinylidene fluoride, polylactic acid, chitosan and collagen. The ultraviolet ray transmittance is desired to be in a range of 0-70%. COPYRIGHT: (C)2010,JPO&INPIT
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