FIELD: textile, paper.
SUBSTANCE: electrete webs include a thermoplastic resin and an additive that promotes charge accumulation. The charge-accumulating additive is an arylamino-substituted benzoic acid or a salt of arylamino-substituted benzoic acid. The electrete webs are suitable for use as a filtering material.
EFFECT: provides electrete webs, which can be easily charged with various charging mechanisms.
20 cl, 6 tbl
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