期刊
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES
卷 108, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijadhadh.2021.102894
关键词
Sodium alginate; Corn-starch; Mimosa tannin; Wood adhesive; Particleboard; Water resistance
This study developed an environmentally friendly wood adhesive by formulating cornstarch - mimosa tannin with sodium alginate, leading to improved mechanical and physical properties as well as water resistance of the adhesive.
This work attempts to develop an environmentally friendly wood adhesive by formulating cornstarch - mimosa tannin (CSMT) with sodium alginate (SA). During this work, SA was extracted from brown seaweeds Laminaria digitata, the obtained sample was characterized using different analysis techniques such as FT-IR, 1H NMR, specific viscosity and TGA/DTA. This study serves to investigate the effect of different ratios of CMST/SA (w/w) on mechanical and physical performance properties such as modulus of elasticity (MOE), modulus of rupture (MOR), internal bond (IB) and thickness swelling (TS) as well as on the rheological behaviour. The obtained results show that particleboards bonded with the optimal formulation CMST/SA (99.5/0.5; w/w) adhesive represents excellent mechanical and physical properties compared to particleboards glued with the CSMT wood adhesive (control). As a result, the introduction of small proportions of SA in CSMT leads to a significant improvement in mechanical and physical properties as well as an enhancement in water resistance.
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