The main objective of this study is to evaluate the implementation of acetone as a pulping
agent for pineapple leaves. Mixtures of water and acetone with concentration of 1%, 3%,
5%, 7%, and 10% were used. The effects of soaking and delignification time on the paper
properties were investigated. Thermal and physical properties of paper sheet were studied
using thermogravimetric analysis (TGA) and tearing resistance test respectively. The morphological
properties were observed using microscope at 200× magnification. The paper
sheet produced from pulping with 3% acetone concentration shows the highest mechanical
properties. Papers strength was improved by increasing the delignification time. The
delignification time was reduced by cooking the pineapple leaves at a temperature of 118 ◦C
under applied pressure of 80 kPa which has remarkable effect on paper strength.