The effect of alkalization treatment on fiber-matrix compatibility in natural fiber reinforced composite

Evana Yuanita, Yuli Amalia Husnil, Myrna Ariati Mochtar, Rahma Lailani, Mochamad Chalid

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This work was aimed to investigate the effect of alkalization treatment on the fiber-matrix interfacial interaction and hence their compatibility. Kenaf fiber was treated using a 6% NaOH solution for 8 hours. The composites were produced by mixing the treated fiber with PP at various temperatures, duration, and fiber composition. Alteration on the surface chemistry of the fiber was identified by performing FTIR analysis. The surface energy of the treated fiber was mathematically derived from the contact angle measurement results. The compatibility level between treated fiber and PP matrix was visualized through FESEM analysis. Tensile strength tests were also conducted to obtain data necessary for exploring the relationship between the thermodynamic aspects of the fiber-matrix interfacial interaction and the mechanical properties of the composites. The FTIR spectra show that there was significant increase in the %transmittance at wavelength range of 3100-3600 cm-1 indicating that O-H groups were degraded during treatment. However, the polar component of the surface energy for treated fiber was instead higher compared to the untreated one. The SEM images show that there are no noticeable reduction in the size of the treated fibers as expected. On the other hand, the tensile strength of the PP-treated fibers composites reached its highest value when the matrix were loaded with fibers at the lowest percentage i.e. 5%.

Original languageEnglish
Title of host publicationComposite Materials and Material Engineering IV
EditorsJong Hak Kim
PublisherTrans Tech Publications Ltd
Pages28-33
Number of pages6
ISBN (Print)9783035716191
DOIs
Publication statusPublished - 2020
Event5th International Conference on Composite Materials and Material Engineering, ICCMME 2020 - Seoul, Korea, Republic of
Duration: 13 Jan 202016 Jan 2020

Publication series

NameKey Engineering Materials
Volume847 KEM
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Conference

Conference5th International Conference on Composite Materials and Material Engineering, ICCMME 2020
Country/TerritoryKorea, Republic of
CitySeoul
Period13/01/2016/01/20

Keywords

  • Alkalization
  • Compatibility
  • Kenaf
  • Mechanical properties
  • Surface energy

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