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Cited 14 time in webofscience Cited 17 time in scopus
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Effect of Temperature on the Mechanical Properties and Polymerization Kinetics of Polyamide-6 Compositesopen access

Authors
Li, Mei-XianLee, DasomLee, Gyu HeeKim, Seung MoBen, GoichiLee, Woo IlChoi, Sung Woong
Issue Date
May-2020
Publisher
MDPI
Keywords
epsilon-caprolactam; vacuum assisted resin transfer molding (VARTM); differential scanning calorimeter (DSC); polymerization kinetics; crystallinity
Citation
POLYMERS, v.12, no.5
Indexed
SCIE
SCOPUS
Journal Title
POLYMERS
Volume
12
Number
5
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/6686
DOI
10.3390/polym12051133
ISSN
2073-4360
2073-4360
Abstract
This work reports the preparation of carbon fiber reinforced thermoplastic composites via the in situ anionic ring opening polymerization of epsilon -caprolactam. Vacuum assisted resin transfer molding was used to fabricate polyamide-6/carbon fiber composites at different molding temperatures. As a result, the higher polymerization of epsilon -caprolactam was observed with the condition at 140 degrees C for satisfactory impregnation. Regarding molding temperature, the physical properties of polyamide-6/carbon fiber were observed that the bending and impact strengths at 140 degrees C were higher than those to at other molding temperatures. The polymerization kinetics of polyamide-6 was analyzed using differential scanning calorimetry by experimentally acquiring kinetic parameters according to model fitting approaches. Polymerization and crystallization, which occur simultaneously throughout the whole process, were separated using Gaussian and Maxwell-Boltzmann distributions to study polymerization kinetics. The result of the developed model was in good agreement with the experimental data for the presented first order autocatalytic reaction model.
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Choi, Sung Woong
해양과학대학 (기계시스템공학과)
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