Production of cellulose nanofibers from Aspen and Bode chopsticks using a high temperature and high pressure steam treatment combined with milling
Production of cellulose nanofibers from Aspen and Bode chopsticks using a high temperature and high pressure steam treatment combined with milling
复制标题
采用高温高压蒸汽处理与研磨相结合的方式从 Aspen 和 Bode 筷子生产纤维素纳米纤维
DOI：
10.1016/j.carbpol.2018.04.047
复制
发表时间：
2018
影响因子：
11.2
通讯作者：
Y. Nakamura
中科院分区：
文献类型：
--
作者：
A. Suzuki;C. Sasaki;C. Asada;Y. Nakamura
以白杨和波德木筷为原料，采用高温高压水蒸汽处理结合粉碎的方法制备综纤维素。随着水蒸汽处理条件的增加，综纤维素组分比例和分子量均降低。对处理过的综纤维素进行研磨处理以获得纤维素纳米纤维（CNF）。场发射扫描电子显微镜表明，CNF成功地产生。当蒸汽压力为15 atm，蒸汽时间为5 min时，白杨和波德的最大拉伸强度分别为86.9和109.9 MPa/（g/cm ~ 3）。此外，证明了用于生产具有高拉伸强度的CNF的综纤维素的最佳分子量为约1.2 × 105，而最佳综纤维素回收率（HR;在本研究中原纤化程度定义为HR）为约1.00。
Holocellulose was generated from Aspen and Bode chopsticks by high temperature, high pressure steam treatment combined with milling. The steam treatment conditions were increased, the holocellulose component ratio in the treated sample as well as its molecular weight decreased. The treated holocellulose was subjected to grinder treatment to obtain cellulose nanofibers (CNF). Field-emission scanning electron micrographs indicated that CNF were successfully produced. The maximum tensile strength values of 86.9 and 109.9 MPa/(g/cm3) for Aspen and Bode, respectively, were obtained at a steam pressure of 15 atm and steaming time of 5 min. Furthermore, it was demonstrated that the optimal molecular weight of holocellulose to produce CNF with high tensile strength was around 1.2 × 105, while the optimal holocellulose recovery rate (HR; the degree of fibrillation was defined as HR in this study) was around 1.00.