ELECTRET FABRICS WITH ADDITIVES PROMOTING ACCUMULATION OF CHARGE Russian patent published in 2018 - IPC D04H1/42 B01D39/16 D04H13/00 

Abstract RU 2673299 C1

FIELD: technological processes.

SUBSTANCE: electret fabrics contain a thermoplastic resin and an additive promoting accumulation of the charge. Additive contributing to the accumulation of charge is a salt of a substituted benzotriazole phenolate or a combination of substituted benzotriazole phenolate salts. Electret fabrics can be represented by a nonwoven fibre cloth or a film.

EFFECT: electret fabrics are suitable for use as a filtering material.

24 cl, 5 tbl

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RU 2 673 299 C1

Authors

Schultz Nathan E.

Li Fuming B.

Volp Kelly A.

Sebastian John M.

Dates

2018-11-23Published

2016-06-30Filed