气凝胶
蔗渣
甲基三甲氧基硅烷
材料科学
聚乙烯醇
保温
纤维素
吸水率
复合材料
多孔性
化学工程
热导率
制浆造纸工业
涂层
工程类
图层(电子)
作者
Quoc Ba Thai,Sơn Nguyễn,Duong Khanh Ho,Tuan Du Tran,Dat Minh Huynh,Nga H. N.,Thao Phuong Luu,Phung K. Le,Duyen K. Le,N. Phan‐Thien,Hai M. Duong
标识
DOI:10.1016/j.carbpol.2019.115365
摘要
A promising and economic material for various applications, such as thermal insulation in construction building and oil clean-up in marine ecosystems, is successfully developed from the by-product of the sugarcane industry. Biodegradable sugarcane bagasse aerogels are produced using polyvinyl alcohol (PVA) binder, followed by a freeze-drying method. This environmental-friendly recycled aerogel has an ultra-low density ([0.016-0.112] g/cm3), a high porosity ([91.9–98.9]%), and a very low thermal conductivity ([0.031-0.042] W/mK). Its superhydrophobicity properties and its maximum oil absorption capacity (up to 25 g/g) are measured after coating aerogel samples with methyltrimethoxysilane (MTMS). The biodegradable aerogel has a Young's modulus of 88 K Pa and can be bent without breaking, demonstrating its high flexibility.
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