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Optimization of the mode of thermal treatment of biocomposites filled with coffee grounds
(Луцьк: ЛНТУ, 2024) Sadova, Oksana; Kashytskyi, Vitalii
An increase the duration of heat treatment leads to an increase in compressive strength, since treatment in a thermal field at a temperature of 150 °C ensures the melting of the biopolymer binder, resulting in sufficient wetting of the surface of the filler particles. This causes an increase in the packing density of the components of the biocomposite material and the formation of a significantly larger number of physical and chemical bonds.
Formation of Glutinous Biocomposites Based on Secondary Raw Materials of Biocomposite Products
(Barcelona: ACEX, 2024) Sadova, Oksana; Kashytskyi, Vitalii
The optimal content of gluten in the solution (40%) and moisture in the composition (16%) is an important technological factor that determines the strength of a new biocomposite material based on secondary raw material. It was experimentally established that the plasticity of the biopolymer matrix increases with a low content of glutin in the solution. The rigid structure of the biopolymer matrix is formed with a high glutin content. The low moisture content in the composition reduces wetting of the surface of the filler particles. A high moisture content in the composition causes the formation of a defective structure due to intensive removal of water molecules.

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