The results showed that tension strength and tear strength of PVC/ Nano-TiO2 film have been enhanced and elongation at break has been reduced a little by adding 3 doses of Nano-TiO2 to 100 doses of PVC resin.

• 结果表明:在每100 份PVC 中加入3 份纳米TiO2时,能较大地提高膜的拉伸强度和撕裂强度,而且不会对断裂伸长率有太大的破坏,膜的综合性能有所提高。