Two-step sulfonation process for the conversion of polymer fibers to carbon fibers
Abstract
Disclosed herein are processes for preparing carbon fibers, comprising: sulfonating a polymer fiber with a sulfonating agent that is fuming sulfuric acid, sulfuric acid, chlorosulfonic acid, or a combination thereof; treating the sulfonated polymer with a heated solvent, wherein the temperature of the heated solvent is at least 95.degree. C.; and carbonizing the resulting product by heating it to a temperature of 501-3000.degree. C. Carbon fibers prepared according to these methods are also disclosed herein.
- Inventors:
- Issue Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1408915
- Patent Number(s):
- 9816207
- Application Number:
- 14/413,454
- Assignee:
- Dow Global Technologies LLC (Midland, MI)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
D - TEXTILES D01 - NATURAL OR MAN-MADE THREADS OR FIBRES D01F - CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- DOE Contract Number:
- NFE-10-02991
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2013 Jul 03
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Barton, Bryan E., Patton, Jasson T., Hukkanen, Eric J., and Bernius, Mark T. Two-step sulfonation process for the conversion of polymer fibers to carbon fibers. United States: N. p., 2017.
Web.
Barton, Bryan E., Patton, Jasson T., Hukkanen, Eric J., & Bernius, Mark T. Two-step sulfonation process for the conversion of polymer fibers to carbon fibers. United States.
Barton, Bryan E., Patton, Jasson T., Hukkanen, Eric J., and Bernius, Mark T. Tue .
"Two-step sulfonation process for the conversion of polymer fibers to carbon fibers". United States. https://www.osti.gov/servlets/purl/1408915.
@article{osti_1408915,
title = {Two-step sulfonation process for the conversion of polymer fibers to carbon fibers},
author = {Barton, Bryan E. and Patton, Jasson T. and Hukkanen, Eric J. and Bernius, Mark T.},
abstractNote = {Disclosed herein are processes for preparing carbon fibers, comprising: sulfonating a polymer fiber with a sulfonating agent that is fuming sulfuric acid, sulfuric acid, chlorosulfonic acid, or a combination thereof; treating the sulfonated polymer with a heated solvent, wherein the temperature of the heated solvent is at least 95.degree. C.; and carbonizing the resulting product by heating it to a temperature of 501-3000.degree. C. Carbon fibers prepared according to these methods are also disclosed herein.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {11}
}
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