Journal
CARBON LETTERS
Volume 20, Issue 1, Pages 39-46Publisher
KOREAN CARBON SOC
DOI: 10.5714/CL.2016.20.039
Keywords
carbon Fibers; oxyfluorination; maleic anhydride; maleic anhydride-grafted-polypropylene
Funding
- National Research Foundation of Korea - Korea government (MSIP), Republic of Korea [2015M3A7B4049716]
- National Research Foundation of Korea [2015M3A7B4049716] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this work, the effects of maleic anhydride (MA) content on mechanical properties of chopped carbon fibers (CFs)-reinforced MA-grafted-polypropylene (MAPP) matrix composites. A direct oxyfluorination on CF surfaces was applied to increase the interfacial strength between the CFs and MAPP matrix. The mechanical properties of the CFs/MAPP composites are likely to be different in terms of MA content. Surface characteristics were observed by scanning electron microscope, Fourier transform infrared spectroscopy, and single fiber contact angle method. The mechanical properties of the composites were also measured by a critical stress intensity factor (KIC). From the KIC test results, the KIC values were increased to a maximum value of 3.4 MPa with the 0.1 % of MA in the PP, and then decreased with higher MA content.
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