Surface free energy analysis of oil palm empty fruit bunches fiber reinforced biocomposites

International Conference on Biomass: Technology, Application, and Sustainable Development

生物科学;能源学;经济学

Suryadi, G.S.^1 ; Nikmatin, S.^1 ; Sudaryanto^2 ; Irmansyah^1 ; Sukaryo, S.G.^2

Department of Physics, Bogor Agricultural University, Bogor, Indonesia^1

Centre for Science and Advanced Materials Technology, National Nuclear Energy Agency of Indonesia, South Tangerang, Indonesia^2

关键词: Acrylonitrile butadiene styrene;    Mechanical milling;    Oil palm empty fruit bunch;    Oil palm empty fruit bunch (OPEFB);    Primary antioxidants;    Single screw extruder;    Statistically significant difference;    Surface free energy;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/65/1/012044/pdf
DOI  :  10.1088/1755-1315/65/1/012044

学科分类：生物科学（综合）

来源: IOP

【 摘 要 】

Study of the size effect of natural fiber from oil palm empty fruit bunches (OPEFB) as filler, onto the contact angle and surface free energy of fiber reinforced biocomposites has been done. The OPEFB fibers were prepared by mechanical milling and sieving to obtain various sizes of fiber (long-fiber, medium-fiber, short-fiber, and microparticle). The biocomposites has been produced by extrusion using single-screw extruder with EFB fiber as filler, recycled Acrylonitrile Butadiene Styrene (ABS) polymer as matrix, and primary antioxidant, acid scavanger, and coupling agent as additives. The obtained biocomposites in form of granular, were made into test piece by injection molding method. Contact angles of water, methanol, and hexane on the surface of biocomposites at room temperature were measured using Phoenix 300 Contact Angle Analyzer. The surface free energy (SFE) and their components were calculated using three previous known methods (Girifalco-Good-Fowkes-Young (GGFY), Owens-Wendt, and van Oss-Chaudhury-Good (vOCG)). The results showed that total SFE of Recycled ABS as control was about 24.38 mJ/m2, and SFE of biocomposites was lower than control, decreased with decreasing of EFB fiber size as biocomposites filler. The statistical analysis proved that there are no statistically significant differences in the value of the SFE calculated with the three different methods.