Aromatic polyamide compositions with improved electrostatic prop

Details Aromatic polyamide compositions with improved electrostatic prop Aromatic polyamide compositions with improved electrostatic prop

1994-08-15

1996-09-10

Dodson, Shelley A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

524600, 524602, 524606, 528180, 528183, 528184, 528185, 528310, 528312, 528314, 528319, 528335, 528336, 528337, 528348, C08G 6926

Patent

active

055547222

ABSTRACT:
Aromatic polyamide compositions with improved electrostatic properties, formed structures produced therefrom, and use and production thereof.
Described are compositions comprising an aromatic polyamide which is soluble in organic solvents and from 0.01 to 30% by weight, based on the weight of the composition, of an organic or organometallic charge control agent.
The compositions can be used for producing formed structures, in particular fibers; these fibers are preferably used for producing webs which can be used for producing dust filters.

REFERENCES:
patent: 4789504 (1988-12-01), Ohmori et al.
patent: 4847354 (1989-07-01), Keil et al.
patent: 4987217 (1991-01-01), Keil et al.
patent: 5097018 (1992-03-01), Rubinstein
"Elektret-Vliesstoffe-ein Schnell Wachsender Market bei Filtermedien", L. Bergmann, LaGrange, Ga/USA Chemiefasern/Textilindustrie, 40./92. Jahrgang, Jul./Aug. 1990 pp. T123-127.
"Charge Storage in Pure and Titanium Dioxide Doped Polyarylate, and Conduction in Pure Polyarylate", R. Nath & M. M. Perlman, 1990 Elsevier Science Publishers B.V. pp. 293.

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