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Title: Investigation of a new natural adhesive composed of citric acid and sucrose for particleboard
Authors: Umemura, Kenji  kyouindb  KAKEN_id
Sugihara, Osamu
Kawai, Shuichi
Author's alias: 梅村, 研二
Keywords: Citric acid
Natural adhesive
Issue Date: Jun-2013
Publisher: Springer Japan
Journal title: Journal of Wood Science
Volume: 59
Issue: 3
Start page: 203
End page: 208
Abstract: The development of a natural adhesive composed of materials derived from non-fossil resources is a very important issue. In this study, only citric acid and sucrose were used as adhesive materials for particleboard. A water solution in which citric acid and sucrose were dissolved was used as an adhesive, and the manufacture of particleboard with a target density of 0.8 g/cm[3] was attempted under a press condition of 200℃ for 10 min. The optimum mixture ratio of citric acid and sucrose and the optimum resin content was 25–75 and 30 wt%, respectively. The modulus of rupture (MOR) and the modulus of elasticity in bending were 20.6 MPa and 4.6 GPa, respectively. The internal bond strength (IB) was 1.6 MPa, indicating that the adhesive had excellent bond strength. The thickness swelling (TS) after water immersion for 24 h at 20 °C was 11.9 %. The board did not decompose even under more severe accelerated treatments. This meant that the adhesion had good water resistance. The MOR, IB and TS of the board were comparable to or higher than the requirement of the 18 type of JIS A 5908 (2003). Consequently, there is a possibility that a mixture of citric acid and sucrose can be used as a natural adhesive for particleboard.
Rights: The final publication is available at Springer via
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1007/s10086-013-1326-6
Appears in Collections:Journal Articles

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