Fourthly, the experimental results show that Limited oxygen index (LOI) values were increased with the increase content of TCEP and density of RPUF.

• 增强的机理除了在于增强物的贡献之外，还在于增强物的添加作为材料泡孔的形核点，达到了细化泡孔，增加了材料的机械性能的目的。