Zhang Yucang, Ikeda Atsushi, Hori Naruhito, Takemura Akio, Ono Hirokuni, Yamada Tatsuhiko
Dalian Institute of Light Industry, Qinggong-Yuan 1, Ganjingzi-Qu, Dalian 116034, China.
Bioresour Technol. 2006 Jan;97(2):313-21. doi: 10.1016/j.biortech.2005.02.019. Epub 2005 Apr 12.
The average molecular weight, the amount of bound phenol of liquefied cellulose and the substitution pattern of bound phenol as well as newly formed residue in the late stage of liquefaction were examined in various liquefaction conditions. The linkage fashion of bound phenol was governed by the liquefaction condition. Phenol extended molecular weight by the reaction with decomposed fragments from cellulose and formed new residue when insufficient amount was charged. On the other hand, phenol played a role of an end-cap reagent when sufficient amount was charged. Bound phenol with o-substitution increased with increasing liquefaction temperature.
在不同的液化条件下，对液化纤维素的平均分子量、结合酚的含量、结合酚的取代模式以及液化后期新形成的残渣进行了研究。结合酚的连接方式受液化条件的控制。当加入量不足时，苯酚通过与纤维素分解片段反应来增加分子量并形成新的残渣。另一方面，当加入量充足时，苯酚起到封端剂的作用。随着液化温度的升高，邻位取代的结合酚增加。
Zotero 插件