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The Effect of Metallocene-Catalyzed Polyethylene on the Physicomechanical Properties of Film Blends with Conventional Linear Low-Density Polyethylene

Film blends of metallocene-catalyzed linear low-density polyethylenes (mLLDPEs) with conventional linear low-density polyethylene (LLDPE) – with both LLDPEs being made using hexene comonomer – were prepared and investigated. The addition of mLLDPE to conventional LLDPE significantly improves the dart impact strength but has little effect on the overall clarity of the resulting films. Conversely, the addition of a small amount of LLDPE to mLLDPE improves the optical properties of the latter.