Fortification of sulfited tannin from the bark of Acacia mangium with phenol–formaldehyde for use as plywood adhesive

• Main Authors: Yeoh, Beng Hoong, Md. Tahir, Paridah, Abdullah, Luqman Chuah, Koh, Mok Poh, Loh, Yueh Feng
• Format: Article
• Language: English
• Published: Elsevier 2009
• Online Access: http://psasir.upm.edu.my/id/eprint/7044/1/Fortification%20of%20sulfited%20tannin%20from%20the%20bark%20of%20Acacia%20mangium%20with%20phenol.pdf; http://psasir.upm.edu.my/id/eprint/7044/; https://www.sciencedirect.com/science/article/pii/S0926669009001253?via%3Dihub#!
• Institution: Universiti Putra Malaysia

The Acacia mangium tree contains 10% bark (v/v), of which about 20% are extractives. Extraction of this bark using a combination of water and sulfite medium can produce between 15% and 25% tannin materials (dry weight). In this work, several extraction conditions such as bark size, plantation site,...