Performances of Ludai (Sapium Baccatum) and Kelempayan (Neolamarckia Cadamba) after Acetylation

Siti Rafedah Abdul Karim; Yanti Abdul Kadir; Azrena Abdul Karim

doi:10.21834/e-bpj.v9iSI17.5977

Authors

Siti Rafedah Abdul Karim Faculty of Applied Science, Universiti Teknologi MARA 40450 Shah Alam Selangor, Malaysia
Yanti Abdul Kadir Research Officer, Forest Research Institute Malaysia, Kepong, 52109 Selangor Malaysia
Azrena Abdul Karim Faculty of Applied Science, Universiti Teknologi MARA 40450 Shah Alam Selangor, Malaysia

DOI:

https://doi.org/10.21834/e-bpj.v9iSI17.5977

Keywords:

Acetylation, Weight percent gain, Hydroxyl substitution, Volume change

Abstract

The study changed the chemicals that make up Ludai (Sapium Baccatum) and Kelempayan (Neolamarckia Cadamba) molecules that have been modified with acetic anhydride. The wood species was treated at 80°C, 100°C, and 120°C. The changes were assessed by replacing the WPG and OH groups. The WPG range is 3%–16%, and therefore, at 16%, Ludai had the highest WPG, while Kelempayan had 14%. At 120°C, a 15% weight per gallon (WPG) solution changed Kelempayan volume by 9%. The Ludai volume changed 5.5% under the same conditions. The Ludai and Kelempayan had the highest OH-substitution rate at 120°C, 3.5–4 mmoles/g.

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