Synthesis and Characterization of Cellulose Triacetate Obtained from Date Palm (Phoenix dactylifera L.) Trunk Mesh-Derived Cellulose

被引:40
作者
Shaikh, Hamid M. [1 ]
Anis, Arfat [1 ]
Poulose, Anesh Manjaly [1 ]
Al-Zahrani, Saeed M. [1 ]
Madhar, Niyaz Ahamad [2 ]
Alhamidi, Abdullah [1 ]
Aldeligan, Saleh Husam [1 ]
Alsubaie, Faisal S. [1 ]
机构
[1] King Saud Univ, Dept Chem Engn, SABIC Polymer Res Ctr, POB 800, Riyadh 11421, Saudi Arabia
[2] King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia
关键词
cellulose; cellulose triacetate; date palm mesh; acetylation; degree of substitution; thermal stability; ACETATE; WASTE; HEMICELLULOSE; ACETYLATION; WATER; FILM;
D O I
10.3390/molecules27041434
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Cellulosic polysaccharides have increasingly been recognized as a viable substitute for the depleting petro-based feedstock due to numerous modification options for obtaining a plethora of bio-based materials. In this study, cellulose triacetate was synthesized from pure cellulose obtained from the waste lignocellulosic part of date palm (Phoenix dactylifera L.). To achieve a degree of substitution (DS) of the hydroxyl group of 2.9, a heterogeneous acetylation reaction was carried out with acetic anhydride as an acetyl donor. The obtained cellulose ester was compared with a commercially available derivative and characterized using various analytical methods. This cellulose triacetate contains approximately 43.9% acetyl and has a molecular weight of 205,102 g center dot mol(-)(1). The maximum thermal decomposition temperature of acetate was found to be 380 degrees C, similar to that of a reference sample. Thus, the synthesized ester derivate can be suitable for fabricating biodegradable and "all cellulose" biocomposite systems.
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页数:13
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