{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T08:53:03Z","timestamp":1774083183204,"version":"3.50.1"},"reference-count":41,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2021,10,22]],"date-time":"2021-10-22T00:00:00Z","timestamp":1634860800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","doi-asserted-by":"publisher","award":["PTDC\/EME-SIS\/28225\/2017"],"award-info":[{"award-number":["PTDC\/EME-SIS\/28225\/2017"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","doi-asserted-by":"publisher","award":["UID\/EMS\/50022\/2020"],"award-info":[{"award-number":["UID\/EMS\/50022\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","doi-asserted-by":"publisher","award":["SFRH\/BD\/143736\/2019"],"award-info":[{"award-number":["SFRH\/BD\/143736\/2019"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","doi-asserted-by":"publisher","award":["UID\/EEA\/04436\/2019"],"award-info":[{"award-number":["UID\/EEA\/04436\/2019"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>Poly(vinyl alcohol) (PVA) in multifilament and braided yarns (BY) forms presents great potential for the design of numerous applications. However, such solutions fail to accomplish their requirements if the chemical and thermomechanical behaviour is not sufficiently known. Hence, a comprehensive characterisation of PVA multifilament and three BY architectures (6, 8, and 10 yarns) was performed involving the application of several techniques to evaluate the morphological, chemical, thermal, and mechanical features of those structures. Scanning electron microscopy (SEM) was used to reveal structural and morphological information. Differential thermal analysis (DTA) pointed out the glass transition temperature of PVA at 76 \u00b0C and the corresponding crystalline melting point at 210 \u00b0C. PVA BY exhibited higher tensile strength under monotonic quasi-static loading in comparison to their multifilament forms. Creep tests demonstrated that 6BY structures present the most deformable behaviour, while 8BY structures are the least deformable. Relaxation tests showed that 8BY architecture presents a more expressive variation of tensile stress, while 10BY offered the least. Dynamic mechanical analysis (DMA) revealed storage and loss moduli curves with similar transition peaks for the tested structures, except for the 10BY. Storage modulus is always four to six times higher than the loss modulus.<\/jats:p>","DOI":"10.3390\/polym13213644","type":"journal-article","created":{"date-parts":[[2021,10,24]],"date-time":"2021-10-24T22:07:11Z","timestamp":1635113231000},"page":"3644","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Thermal, Mechanical and Chemical Analysis of Poly(vinyl alcohol) Multifilament and Braided Yarns"],"prefix":"10.3390","volume":"13","author":[{"given":"Tania F.","family":"Freire","sequence":"first","affiliation":[{"name":"CMEMS-UMinho, Departamento de Engenharia Mec\u00e2nica, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7722-7436","authenticated-orcid":false,"given":"Tiago","family":"Quinaz","sequence":"additional","affiliation":[{"name":"CMEMS-UMinho, Departamento de Engenharia Mec\u00e2nica, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"given":"Aureliano","family":"Fertuzinhos","sequence":"additional","affiliation":[{"name":"CMEMS-UMinho, Departamento de Engenharia Mec\u00e2nica, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5316-0647","authenticated-orcid":false,"given":"Nguy\u1ec5n T.","family":"Quy\u1ec1n","sequence":"additional","affiliation":[{"name":"2C2T-Centro de Ci\u00eancia e Tecnologia T\u00eaxtil, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2151-3759","authenticated-orcid":false,"given":"Marcelo F. 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M.","family":"de Moura","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Mec\u00e2nica, Faculdade de Engenharia da Universidade do Porto, 4200-464 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1120-9312","authenticated-orcid":false,"given":"Marcos","family":"Martins","sequence":"additional","affiliation":[{"name":"CMEMS-UMinho, Departamento de Engenharia Mec\u00e2nica, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5299-4164","authenticated-orcid":false,"given":"Andrea","family":"Zille","sequence":"additional","affiliation":[{"name":"2C2T-Centro de Ci\u00eancia e Tecnologia T\u00eaxtil, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0756-6854","authenticated-orcid":false,"given":"Nuno","family":"Dourado","sequence":"additional","affiliation":[{"name":"CMEMS-UMinho, Departamento de Engenharia Mec\u00e2nica, Campus de Azur\u00e9m, Universidade do Minho, 4804-533 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,22]]},"reference":[{"key":"ref_1","unstructured":"Vanputte, C., Russo, A., Seeley, R., and Stephens, T. 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