Method of making electret articles and filters with increased oi

Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – With subsequent uniting of the particles

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Details

264423, 264460, 264115, 264DIG48, B29C 3516

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active

060687991

ABSTRACT:
An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.

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