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The modern aspects of some rheological characteristics of polymeric materials obtained using starch of substandard wheat grains and sugar beet pulp are considered. The main factors affecting mixing are discussed, which ensures high-quality dispersion and distribution of particles in the matrix in order to obtain a homogeneous mixture and the required properties of biopolymers. A study on the selection of the percentage ratio of fillers (starch and sugar beet pulp) allowed us to develop compositions for biodegradable films. The main objective of the research is to reduce the biodegradation period of polymeric material based on starch from substandard wheat grains and sugar beet pulp.

The article discusses the creation of new polymer-starch compositions based on starch extracted from nongraded wheat grains, hydrolyzed sugar beet pulp and polyethylene glycol. The main points of agricultural waste disposal are discussed with the aim of obtaining products with new properties, safe for the environment and biodegradable. Prototypes have a uniform distribution of particles in the matrix, provide enough tensile strength and elongation under tension. A study on the selection of the mass ratio of the components revealed the optimal concentration of the components. The temperature of exposure to the composition to obtain biodegradable material is 105 ° C. It was shown that the tensile strength of samples of the polymer composition decreases with an increase in the rotational speed of the screw to 150 min-1 and a temperature above 1300C. Speed below 110 min-1 lead to an increase in strength. The obtained experimental material opens prospects for further research with respect to improving the properties of these biocomposites based on starch and sugar beet pulp by modifying starch and searching for compositions with starch, using reinforcements (both organic and inorganic) and processing conditions.

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