The article makes a comparison between properties of long and short fiber polyester base materials and analyzes the effects of the two materials on properties of modified bitumen membrane.

• 比较了长纤聚酯胎和短纤聚酯胎的性能和基于这两类胎体的改性沥青卷材的性能，分析了长纤和短纤聚酯胎对改性沥青卷材性能的不同影响。