With the add of dispersant CH-10B, the tensile strength and elongation at break of PU/SiO2 nano-composites increased 48.5% and 4.2% respectively.

• 加入分散剂CH-10B，PU/SiO_2纳米复合材料的拉伸强度和断裂伸长率分别比未加分散剂时浙江工业大学硕士学位论文提高了48.；5%25和4