Reduction of Water Absorption Capacity of Cellulose Fibres for Its Application in Cementitious Materials

被引：0
|
作者：
Sang, Yi-zhou [1 ]
Liu, Xin-liang [2 ]
Zhao, Joe R. [1 ]
机构：
[1] Tri Y Environm Res Inst, R&D Ctr, Vancouver, BC V5M 3H9, Canada
[2] China Univ Petr, Acad Sci & Technol, Dongying 257061, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON ENERGY AND POWER ENGINEERING (EPE 2014) | 2014年
关键词：
Natural fibre; Graft percentage; Water absorption capacity; Hydroxyl group; DIMENSIONAL INSTABILITY; BONDED PARTICLEBOARD;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Although some natural fibres have been used in cementitious materials, the performance of cement with natural fibres has been found to be less satisfactory. The strength loss is partially attributed to the water absorbed by the fibres. In order to alleviate this problem, cellulose fibres were chemically modified to reduce its water adsorption capacity. Results shows calcium hydroxide pretreatment reduces the water adsorption capacity to some extent. Fine grinding treatment further reduced water adsorption. The lowest water adsorption was achieved by cuprammonium solution pretreatment.
引用
收藏
页码：35 / 39
页数：5
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