Recycling of waste polymer raw materials is the most promising and actively developing method of recycling polymer waste. When recycling natural silk waste by obtaining structurally mixed fibers from joint solutions of any polymer and protein, the process of polymer dissolution plays an important role. The paper considers the process of solid-phase dissolution of natural silk fibrion as well as their mixtures with other polymers in the field of intense force impacts. The results of the study of the physicochemical properties and structure of the obtained materials showed that all the resulting mixtures of polymers have fiber-forming properties suitable for the formation of artificial or modified fibers based on them.
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