@article{ART001540597},
author={Kiyoung Kim and 박우리 and Chung Yong Sik and 신동근 and Jin Wook Han},
title={Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors},
journal={Carbon Letters},
issn={1976-4251},
year={2011},
volume={12},
number={1},
pages={31-38}
TY - JOUR
AU - Kiyoung Kim
AU - 박우리
AU - Chung Yong Sik
AU - 신동근
AU - Jin Wook Han
TI - Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors
JO - Carbon Letters
PY - 2011
VL - 12
IS - 1
PB - Korean Carbon Society
SP - 31
EP - 38
SN - 1976-4251
AB - This study experimentally investigated dicyclohexylammonium 2-cyanoacrylate (CA) as a potential comonomer for polyacrylonitrile (PAN) based carbon fiber precursors. The P(AN-CA) copolymers with different CA contents (0.19-0.78 mol% in the feed)were polymerized using solution polymerization with 2,2-azobis(isobutyronitrile) as an initiator. The chemical structure and composition of P(AN-CA) copolymers were determined by proton nuclear magnetic resonance and elemental analysis, and the copolymer composition was similar to the feeding ratio of the monomers. The effects of CA comonomer on the thermal properties of its copolymers were characterized differential scanning calorimetry (DSC) in nitrogen and air atmospheres. The DSC curves of P(AN-CA) under nitrogen atmosphere indicated that the initiation temperature for cyclization of nitrile groups was reduced to around 235oC. The heat release and the activation energy for cyclization reactions were decreased in comparison with those of PAN homopolymers. On the other hand, under air atmosphere, the P(AN-CA) with 0.78 mol% CA content showed that the initiation temperature of cyclization was significantly lowered to 160.1oC. The activation energy value showed 116 kJ/mol, that was smaller than that of the copolymers with 0.82 mol% of itaconic acids. The thermal stability of P(AN-CA), evidenced by thermogravimetric analyses in air atmosphere, was found higher than PAN homopolymer and similar to P(AN-IA) copolymers. Therefore, this study successfully demonstrated the great potential of P(AN-CA) copolymers as carbon fiber precursors, taking advantages of the temperature-lowering effects of CA comonomers and higher thermal stability of the CA copolymers for the stabilizing processes.
KW - Dicyclohexylammonium 2-cyanoacrylate;Polyacrylonitrile copolymer;Carbon fiber precursor;Stabilization behavior
DO -
UR -
ER -
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근 and Jin Wook Han. (2011). Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors. Carbon Letters, 12(1), 31-38.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근 and Jin Wook Han. 2011, "Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors", Carbon Letters, vol.12, no.1 pp.31-38.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근, Jin Wook Han "Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors" Carbon Letters 12.1 pp.31-38 (2011) : 31.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근, Jin Wook Han. Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors. 2011; 12(1), 31-38.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근 and Jin Wook Han. "Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors" Carbon Letters 12, no.1 (2011) : 31-38.
Kiyoung Kim; 박우리; Chung Yong Sik; 신동근; Jin Wook Han. Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors. Carbon Letters, 12(1), 31-38.
Kiyoung Kim; 박우리; Chung Yong Sik; 신동근; Jin Wook Han. Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors. Carbon Letters. 2011; 12(1) 31-38.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근, Jin Wook Han. Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors. 2011; 12(1), 31-38.
Kiyoung Kim, 박우리, Chung Yong Sik, 신동근 and Jin Wook Han. "Polymerization and Thermal Characteristics of Acrylonitrile/Dicyclohexylammonium 2-Cyanoacrylate Copolymers for Carbon Fiber Precursors" Carbon Letters 12, no.1 (2011) : 31-38.
