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Title: Controlled chemical stabilization of polyvinyl precursor fiber, and high strength carbon fiber produced therefrom

Abstract

Method for the preparation of carbon fiber, which comprises: (i) immersing functionalized polyvinyl precursor fiber into a liquid solution having a boiling point of at least 60.degree. C.; (ii) heating the liquid solution to a first temperature of at least 25.degree. C. at which the functionalized precursor fiber engages in an elimination-addition equilibrium while a tension of at least 0.1 MPa is applied to the fiber; (iii) gradually raising the first temperature to a final temperature that is at least 20.degree. C. above the first temperature and up to the boiling point of the liquid solution for sufficient time to convert the functionalized precursor fiber to a pre-carbonized fiber; and (iv) subjecting the pre-carbonized fiber produced according to step (iii) to high temperature carbonization conditions to produce the final carbon fiber. Articles and devices containing the fibers, including woven and non-woven mats or paper forms of the fibers, are also described.

Inventors:
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1337674
Patent Number(s):
9,528,197
Application Number:
13/860,188
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Apr 10
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Naskar, Amit K. Controlled chemical stabilization of polyvinyl precursor fiber, and high strength carbon fiber produced therefrom. United States: N. p., 2016. Web.
Naskar, Amit K. Controlled chemical stabilization of polyvinyl precursor fiber, and high strength carbon fiber produced therefrom. United States.
Naskar, Amit K. Tue . "Controlled chemical stabilization of polyvinyl precursor fiber, and high strength carbon fiber produced therefrom". United States. https://www.osti.gov/servlets/purl/1337674.
@article{osti_1337674,
title = {Controlled chemical stabilization of polyvinyl precursor fiber, and high strength carbon fiber produced therefrom},
author = {Naskar, Amit K.},
abstractNote = {Method for the preparation of carbon fiber, which comprises: (i) immersing functionalized polyvinyl precursor fiber into a liquid solution having a boiling point of at least 60.degree. C.; (ii) heating the liquid solution to a first temperature of at least 25.degree. C. at which the functionalized precursor fiber engages in an elimination-addition equilibrium while a tension of at least 0.1 MPa is applied to the fiber; (iii) gradually raising the first temperature to a final temperature that is at least 20.degree. C. above the first temperature and up to the boiling point of the liquid solution for sufficient time to convert the functionalized precursor fiber to a pre-carbonized fiber; and (iv) subjecting the pre-carbonized fiber produced according to step (iii) to high temperature carbonization conditions to produce the final carbon fiber. Articles and devices containing the fibers, including woven and non-woven mats or paper forms of the fibers, are also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {12}
}

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Works referenced in this record:

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