Abstract
The paper is devoted to the properties of the wood-polymer composite based on polyethylene and barley straw. The effect of a mineral additive, namely shungite powder with a particle size of less than 20 microns, was studied. The developed composites were obtained on a laboratory two-rotor batch mixer. The mechanical and rheological properties of the composites (tensile strength and modulus of elasticity, water absorption, density, effective viscosity and modulus of elasticity) have been studied. It has been shown that the adding of shungite powder contributes to increase in the composites mechanical properties, in particular, the tensile strength increases. With an increase in the concentration of shungite, the viscosity of the composition melt decreases. The obtained thermoplastic materials can be used in construction and furniture production, as well as in the automotive industry.
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