在NaOH/尿素水溶剂中溶解纤维素衍生物,并使用响应表面方法优化阴阳性纤维素/碳甲基纤维素水凝
Nur Fattima' Al-Zahara' Tuan Mohamood1, Norhazlin Zainuddin1, Sazlinda Kamaruzzaman1
1Department of Chemistry, Faculty of Science, Universiti Putra Malaysia 43400 Serdang Selangor Malaysia norhazlin@upm.edu.my.
RSC advances
|January 23, 2026
概括
研究人员从棕油废物中开发出一种可持续的纤维素水凝. 通过响应表面方法来优化,水凝显示出高膨胀能力和可调节性质,用于潜在的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 绿色化学 绿色化学
背景情况:
- 棕油空果束 (OPEFB) 是一个丰富的农业废物.
- 基于纤维素的水凝为各种应用提供了可生物降解和可调节的特性.
- 可持续的合成路径对于开发环保材料至关重要.
研究的目的:
- 通过绿色化学方法,从OPEFB废物中合成和优化基于纤维素的水凝.
- 研究关键配方变量对水凝特性的影响.
- 以其物理化学特性来描述优化的水凝.
主要方法:
- 通过二二甲基氨基化物 (DADMAC) 化化化化 (CC) 制剂.
- 通过将CC与甲基纤维素 (CMC) 混合并与化水素 (ECH) 进行交叉连接来合成水凝.
- 使用响应表面方法 (RSM) 的优化与中央复合设计 (CCD) 和差异分析 (ANOVA).
主要成果:
- 优化的水凝配方实现了20.95%的凝含量和116.94g/g的膨胀能力.
- FT-IR证实了成功的交叉连接;XRD显示过渡到纤维素II与减少晶度.
- TGA显示了CC的热稳定性改善和水凝的多阶段降解;FESEM-EDX显示了多孔形态 (81微米平均孔径).
结论:
- 该研究成功地从OPEFB废物中开发出一种可生物降解的纤维素水凝.
- 通过RSM/CCD进行优化,有效地提高了凝含量和胀能力.
- 描述的水凝表现出可调节的物理化学特性,验证了其对材料发展的潜力.
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