| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrically charged nonwoven fabric high in electrostatic force even at high temperatures with slight change thereof with time. SOLUTION: This electrically charged nonwoven fabric with excellent charge characteristics at high temperatures comprises a nonwoven fabric which is subjected to electric charge treatment and composed of fibers with an average diameter of 0.1-20μm made from a polymer based on an aliphatic polyester.
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