柔韧隔热纤维素基气凝胶制备与性能

时吉磊, 唐春霞, 付少海, 张丽平

Preparation and properties of flexible thermal insulating cellulose aerogel

SHI Jilei, TANG Chunxia, FU Shaohai, ZHANG Liping

表1 CNF气凝胶和CNF/BTMSE复合气凝胶的物理性能

Tab.1 Physical properties of CNF aerogel and CNF/BTMSE composite aerogel

样品 编号 密度/ (mg·cm-3) 孔隙率/ % 平均孔 径/μm 导热系数/ (mW·m-1·K-1) CNF 10.76 98.85 44.2 34.80 1# 12.36 98.76 40.5 33.94 2# 14.43 98.54 27.6 32.99 3# 20.12 98.15 19.0 31.90 4# 25.15 96.75 18.1 33.10