US 11,987,707 B2
Carbon fiber precursors and production process
Tze-Chiang Chung, State College, PA (US); and Houxiang Li, University Park, PA (US)
Assigned to The Penn State Research Foundation, University Park, PA (US)
Appl. No. 17/633,465
Filed by The Penn State Research Foundation, University Park, PA (US)
PCT Filed Aug. 4, 2020, PCT No. PCT/US2020/044839
§ 371(c)(1), (2) Date Feb. 7, 2022,
PCT Pub. No. WO2021/034499, PCT Pub. Date Feb. 25, 2021.
Claims priority of provisional application 62/883,317, filed on Aug. 6, 2019.
Prior Publication US 2022/0363904 A1, Nov. 17, 2022
Int. Cl. C08L 95/00 (2006.01); C01B 32/05 (2017.01); C08F 10/02 (2006.01); C08F 38/02 (2006.01); D01D 5/06 (2006.01); D01D 5/08 (2006.01); D01F 6/30 (2006.01)
CPC C08L 95/00 (2013.01) [C01B 32/05 (2017.08); C08F 10/02 (2013.01); C08F 38/02 (2013.01); D01D 5/06 (2013.01); D01D 5/08 (2013.01); D01F 6/30 (2013.01); C08L 2203/12 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A carbon fiber precursor material comprising a polymeric pitch copolymer, wherein the polymeric pitch copolymer comprises a polymer chain and polycyclic aromatic hydrocarbon molecules in the side chains.