The sharp brittle-tough transition is observed at a critical interparticledistance when the content of elastomer is relatively high.
当弹性体的含量高到一定程度，分散相的粒间距达到临界值，则发生明显的脆韧转变。
2
It is shown that the changes of is resulted from the changes of both apparent porosity and the distance between layers of gel-type montmorillonite in interparticle pores.