US 12,068,087 B2
Antistatic or electrically conductive polymeric composition with reduced hysteresis
Hauke Westenberg, Cologne (DE); Conny Vogler, Ruppichteroth (DE); Werner Niedermeier, Bruehl (DE); Florian Diehl, Neuss (DE); and Daniel Vorreiter, Erftstadt (DE)
Assigned to ORION ENGINEERED CARBONS IP GMBH & CO. KG, Monheim (DE); and ORION ENGINEERED CARBONS GMBH, Frankfurt (DE)
Appl. No. 17/761,850
Filed by Orion Engineered Carbons IP GmbH & Co. KG, Monheim (DE)
PCT Filed Aug. 28, 2020, PCT No. PCT/EP2020/074084
§ 371(c)(1), (2) Date Mar. 18, 2022,
PCT Pub. No. WO2021/052736, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 19198639 (EP), filed on Sep. 20, 2019.
Prior Publication US 2022/0277867 A1, Sep. 1, 2022
Int. Cl. H01B 1/24 (2006.01); C08J 3/20 (2006.01); C08K 3/04 (2006.01); C08L 7/00 (2006.01); C09C 1/48 (2006.01)
CPC H01B 1/24 (2013.01) [C08J 3/203 (2013.01); C08K 3/04 (2013.01); C08L 7/00 (2013.01); C09C 1/48 (2013.01); C01P 2006/12 (2013.01); C01P 2006/19 (2013.01); C01P 2006/40 (2013.01); C08J 2307/00 (2013.01); C08K 2201/001 (2013.01); C08K 2201/006 (2013.01); C08L 2203/202 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An antistatic or electrically conductive polymeric composition comprising:
a) an electrically insulating polymeric material;
b) a first carbon black material having a statistical thickness surface area (STSA) measured according to ASTM D6556-17 of below 70 m2/g and an oil absorption number (OAN) measured according to ASTM D2414-18 in the range from 70 to 150 mL/100 g in an amount below its percolation threshold concentration; and
c) a second carbon black material having a statistical thickness surface area (STSA) measured according to ASTM D6556-17 of at least 100 m2/g and an oil absorption number (OAN) measured according to ASTM D2414-18 of at least 150 mL/100 g in an amount below its percolation threshold concentration,
wherein a total amount of the first carbon black material and the second carbon black material renders the polymeric composition antistatic or electrically conductive.