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US 2019/0336896 A1Published application
Electret webs with charge-enhancing additives
Assignee3M Innovative Properties Company
InventorsNathan E. Schultz, Fuming B. Li, Kelly A. Volp, John M. Sebastian
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Abstract
Electret webs include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a substituted triazine phenolate salt or a combination of substituted triazine phenolate salts. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.
Claims25
An electret web comprising:
- a thermoplastic resin;
- and
- a charge-enhancing additive comprising at least one substituted triazine phenolate salt.
Dependencies are inferred from the claim text.