Journal
POLYMER COMPOSITES
Volume 43, Issue 10, Pages 7360-7371Publisher
WILEY
DOI: 10.1002/pc.26813
Keywords
composites; footwear industry; polyester fabric waste; shoe insoles
Categories
Funding
- MK Group
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This study aimed to investigate the utilization of polyester fabric waste (PFW) from the footwear industry for the production of composite material for shoe assembly insoles. The composites with 5% and 10% PFW showed satisfactory results in all tests, meeting all specifications.
This work aimed at studying a composite material for shoe assembly insole using polyester fabric waste (PFW) from the footwear industry. For the preparation of the composites, polyvinyl acetate (PVAc) was employed as the polymeric matrix, with 5%, 10%, 15%, and 20% in weight of PFW in the formulations and compared with a standard formulation without PFW. The samples were characterized via physical-chemical (moisture content, bulk density, and growth/shrinkage) and mechanical (break, tensile and dry, and wet tear) analyses, and also by scanning electron microscopy. The PVAc/PFW 5% and 10% composites showed satisfactory results in all tests performed. They reached 9.99 and 9.09 MPa tensile strength, respectively, twice the minimum acceptable (5 MPa), and 1.13 and 1.07 N/mm dry tear strength, also higher than required (1.0 N/mm). The better results for the samples with less PFW were justified by the lower tendency to produce agglomerates during the molding and compaction production stages. Compared with commercial materials commonly used in shoes, these samples met all specifications and showed the technical feasibility of reusing PFW in assembly insoles.
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