Silica aerogel crazing was analyzed and some improvements were made using TMCS surface modification technique together with the drying media of normal-hexane to control the crazing.

• 在分析气凝胶干燥开裂的原因后,以三甲基氯硅烷(TMCS)为表面修饰剂,正己烷为干燥介质的表面改性工艺,一定程度控制了气凝胶的干燥收缩和开裂。