Characteristics of Fiber Treatments on Tensile and Impact Strengths of Pine Resin/Areca Husk Fiber Biocomposites

Abstract

In this study, alkali treatment was carried out on natural fibers to increase their mechanical strength, change the chemical composition, and clean the fibers of impurities. Areca husk fibers (AHFs) were soaked in an alkaline solution, and dried. Alkali-treated fibers were blended with preheated pine resin, and the tensile and impact strengths of the pine resin/AHFs biocomposites were evaluated. The fibers treatment, the tensile strength increased by about 11% and icreased by about 33% compared with untreated fiber biocomposites. Alkali treatment also increased The value of the Young's modulus of the fibers by about 9.2%. The impact strength of the pine resin increased by nearly 42% from the presence of 10% by weight AHFc content. For the pine resin/AHFs biocomposites, the impact strength increased 24% compared with untreated AHFs. The mercerization increased the adhesion of the fiber-matrix interface, enabling efficient transfer of tension from the matrix to the AHFs.By the SEM, increased adhesion bonding between the matrix and the fibers was also detected. This is significant, considering that tensile and impact strengths are some of the most important mechanical properties of a composite material thet are affeted by the bonding force between the matrix and the fibers.

Effect of Adhesive Variation on the Characteristic of Palm Shells‘ Biomass Briquettes

“…Other sources state that briquettes with pine resin adhesive have higher levels of volatile matter because pine resin is included in a type of resin and also tree oil which produces 15% -25% turpentine (C10H16) [33]. According to [34] the turpentine contained in pine resin has volatile characteristics. Pine sap will begin to change in volume when subjected to heating with temperatures above 150˚C, this change in volume is a sign that the turpentine content in the pine resin is beginning to evaporate.…”

Genetic parameters for resin production of Pinus merkusii progeny test collected from three landraces in Banyumas Barat Forest District, Indonesia

“…Products from processed pine resin, namely gondorukem (Kencanawati et al 2017) and turpentine, currently have a higher price in international market and are also much needed in the domestic market. The method for increasing pine resin productivity is a very promising effort (Sukarno et al 2020).…”

“…The resin productivity of pine plantations in Indonesia (0.85 tons/ha/years) is still lagging behind China (1.4 tons/ha/years) and Brazil (4.8 tons/ha/years) (Kencanawati et al 2017;Lukmandaru et al 2021;Verkerk et al 2021). Prasetia (2008) reported that pine landrace plantation in Jember (East Java) have produced resin between 5 and 10 g/tree/day tapping.…”