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The article discusses the technological features of the reaction extrusion of nanocomposites based on dressed natural minerals and high density polyethylene modified with compatibilizer and polypropylene. Clinoptilolite, vesuviane, bentonite and talc were used as natural minerals. The optimal technological mode of reaction extrusion was selected. Dicumyl peroxide in the amount of 0.25 and 0.5 wt.% was used as a vulcanization agent. The influence of technological features of reaction extrusion on the basic physicomechanical properties of nanocomposites based on polyolefins is considered.

The separate influence of the coupling agent, aminopropyltriethoxysilane, on the physicomechanical characteristics of polypropylene- and clinoptilolite-based nanocomposites has been considered. It was established that the introduction of the coupling agent improves the properties of nanocomposites. A comparative assessment of the influence of clinoptilolite particle size on the key performance characteristics of polymeric materials is given. The regularities of changes in the properties of composites depending on the concentration of the filler are revealed.

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