This study aims to identify the effect of liquid smoke treatment on surface morphology and tensile strength of sago fiber (SF), including chemical reactions during the treatment. The proposed study is divided into two steps, fiber treatment and property tests. The first treatment, SF was immersion in the liquid smoke solution for 1, 2, 3, 4, and 5 hours, then dried for 1 hour which then characterized SEM, universal machine testing machine, X-Ray diffractometer (XRD), and Fourier transform infrared spectrometer (FTIR). The acetic acid in liquid smoke reacts with fiber to form fiber-liquid and H2O compounds. The heating process degrades H2O content in fibers and decomposes C and C elements to close together forming strong chemical bonds so that the fiber morphology become rough, porous, grooved and increasing the tensile strength of the fiber. But excessive heating treatment makes fibers more fragile because the H2O elements degrade too low. Dominant percentage of SF crystallization occurred after 4 and 5 hours, 64.7 and 66.9 %, respectively among other durations, a significant increase of tensile strength 50.813 MPa was achieved by 1-hour immersion in liquid smoke. Hence, as alternative to improve the mechanical characteristics of SF, immersion in liquid smoke should be applied. Furthermore, studies of similar treatment on other natural fibers can also be considered in the future.

The chemical composition and thermal properties of sago fiber, as processed via liquid smoke treatment, were analyzed in the current study, which is divided into two steps: fiber treatment and chemical property analysis. In the first stage, groups of sago fiber were immersed in the liquid smoke solution for one, two, three, four, and five hours prior to one-hour of drying, while untreated sago fiber was kept as the control specimen. After immersion, each group of sago fiber specimen was identified through SEM-EDS, which indicated that the effect of liquid smoke treatment resulted from escalated thermal stability as well as activation energy (from 213.4 °C and 67.02 kJ/mol to 220.6 °C and 73.43 kJ/mol, respectively). Additionally, a statistical approach depicted improved chemical properties of the treated sago fiber and confirmed the applicability of liquid smoke immersion as an appropriate treatment for sago fiber, prior to their application as reinforced composites.

Tujuan pengabdian ini sebagai bentuk pemberdayaan Masyarakat desa dan  kepedulian terhadap nelayan dalam meningkatkan ekonomi mereka, dimana metode yang dilakukan dengan pelatihan pengolahan ikan, pembuatan kemasan, desain, dan proses produksi ikan dalam kemasan  bagi masyarkat di desa toniku. Adapun hasil pengabdian telah terlaksana proses pelatihan pada indistri rumahan “SARINA”, pemberian bantuan kemasan dengan merek “Ikan Teri Khas Tonuki, Sarina Toniku” dan proses pengemasan telah di laksanakan sehingga produk ikan teri kemasan siap untuk di pasarkan.

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This study aims to show the texture cross-section of the sago fiber after treatment of liquid smoke. Sago fiber was soaked in a container filled by liquid smoke then heated at 43 °C for 1, 2, 3, 4, and 5 hours. SEMs were carried out to observe the treatments results on the surface of fiber. The results showed that fiber texture before treatment was covered by lignin layers, but after treatments, the fiber had a cross-sectional changes in form of visible pores formations on the fiber textures, distinguished by the soaking periods.