	US 11,926,933 B2
	Compositions comprising poly(p-phenylene) and carbon fibers produced therefrom
Nese Orbey, Acton, MA (US); Carl W. Lawton, Chelmsford, MA (US); and Burcin Ikizer, Lowell, MA (US)
Assigned to University of Massachusetts, Boston, MA (US)
Filed by University of Massachusetts, Boston, MA (US)
Filed on Oct. 30, 2020, as Appl. No. 17/084,923.
Claims priority of provisional application 62/927,877, filed on Oct. 30, 2019.
Prior Publication US 2021/0130987 A1, May 6, 2021
Int. Cl. D01F 9/24 (2006.01); C01B 32/05 (2017.01); C08G 61/10 (2006.01)

CPC D01F 9/24 (2013.01) [C01B 32/05 (2017.08); C08G 61/10 (2013.01); C08G 2261/11 (2013.01); C08G 2261/1426 (2013.01); C08G 2261/93 (2013.01); D10B 2505/02 (2013.01)]

17 Claims

1. A method of making carbon fiber, the method comprising:

aromatizing a pre-poly(p-phenylene) (PPP) polymer at a temperature of at least 400° C. to form poly(p-phenylene) (PPP); and

pyrolyzing the PPP at a temperature sufficient to convert the PPP substantially to carbon fiber.