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Study on the Properties and Design Applications of Polyester–Cotton Matrix Mycelium Composite Materials
Summary
This paper investigates the physical and mechanical properties of polyester materials with the goal of informing their use in design and product applications. It examines characteristics such as tensile strength, flexibility, and durability under various conditions. The results provide practical guidance for designers and engineers selecting polyester for functional or aesthetic applications.
The increased consumption of apparel has resulted in a corresponding increase in the volume of waste textiles, with polyester-cotton blended textiles accounting for as much as 80% of the total. However, extant recycling methodologies are beset by challenges, including high cost and difficulty in separation. Mycelium has been shown to possess the ability to degrade complex components in culture substrates. The present study explores the feasibility of using polyester-cotton yarn as a substrate for mycelium composite materials, thus offering an innovative approach to the treatment of waste blended textiles. Five mycelium composite materials with varying polyester-cotton ratios were prepared and tested for mechanical strength, moisture resistance, and biodegradability. ANOVA analysis confirmed that all properties of the mycelium composites were significantly influenced by the polyester-cotton matrix ratio, with partial eta-squared (ηp2) exceeding 84% across all properties. The most significant effect was observed in compressive strength (ηp2 > 99%). Experiments identified a 65:35 polyester-cotton ratio as yielding optimal comprehensive properties: namely, a compressive strength of 0.221 MPa and flexural strength of 0.791 MPa, coupled with excellent moisture resistance and biodegradability. This provides data support for the development of textile-based mycelium composite products. In light of the aforementioned performance studies and material characteristics, the development of three series of experiential home products was undertaken. Design evaluations were conducted to explore the potential application of mycelium composites, which could have significant implications for promoting sustainable development in the textile and apparel industry and advancing innovative designs for mycelium composite materials.