The impact breaking behavior of PPB/UHMWPE exhibits destruction behavior of network structure,and PPR/UHMWPE occurrs brittleness-toughness transformation.

• 结果表明,UH-MWPE可以增韧PPB和PPR,PPB／UHMWPE断裂行为呈现网络结构破坏特征,而PPR／UHMWPE则发生脆-韧转变。