In this paper, four kinds of UHMWPE knitted reinforcement with plain, interlock, swiss pique and purl stitches were prepared respectively to explore the influence of different knitted structures on the mechanical properties of reinforcement. The properties of each UHMWPE knitted structural reinforcement were compared by tensile, tear and puncture tests. The results show that interlock has obvious advantages over other structures in various mechanical experiments, which provides a good choice for preparing knitted structure reinforcement for composites.

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