Equilibrium moisture content and moisture exclusion efficiency of acetylated rattan (Calamus manan)

H. N. Hisham, M. Hale, Norasikin Ahmad Ludin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The reduced equilibrium moisture content (EMCR) and moisture exclusion efficiency (MEE) of acetylated rattan was studied in relation with age and time of acetylation. Rattans aged 10 and 13 years grown under rubber trees were reacted with acetic anhydride for 0.25 to 30 hours. Results showed that the lowest EMCR and the highest MEE were obtained after 10 hours reaction or at the levelling-off per cent weight gain for both rattan ages. The EMCR values at the levelling-off per cent weight gain were lower in acetylated older rattan than the younger rattan. The low EMCR was highly correlated with the bulking coefficient.

Original languageEnglish
Pages (from-to)32-40
Number of pages9
JournalJournal of Tropical Forest Science
Volume26
Issue number1
Publication statusPublished - 2014

Fingerprint

Calamus
leveling
moisture content
weight gain
moisture
water content
Hevea brasiliensis
acetylation
rubber
acetic anhydride
young

Keywords

  • Acetylation
  • Equilibrium moisture content reduced
  • Moisture adsorption
  • Per cent weight gain

ASJC Scopus subject areas

  • Forestry

Cite this

Equilibrium moisture content and moisture exclusion efficiency of acetylated rattan (Calamus manan). / Hisham, H. N.; Hale, M.; Ahmad Ludin, Norasikin.

In: Journal of Tropical Forest Science, Vol. 26, No. 1, 2014, p. 32-40.

Research output: Contribution to journalArticle

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AB - The reduced equilibrium moisture content (EMCR) and moisture exclusion efficiency (MEE) of acetylated rattan was studied in relation with age and time of acetylation. Rattans aged 10 and 13 years grown under rubber trees were reacted with acetic anhydride for 0.25 to 30 hours. Results showed that the lowest EMCR and the highest MEE were obtained after 10 hours reaction or at the levelling-off per cent weight gain for both rattan ages. The EMCR values at the levelling-off per cent weight gain were lower in acetylated older rattan than the younger rattan. The low EMCR was highly correlated with the bulking coefficient.

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