{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T09:02:24Z","timestamp":1790413344193,"version":"4.1.0"},"reference-count":58,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2023,3,9]],"date-time":"2023-03-09T00:00:00Z","timestamp":1678320000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"FAPESQ-PB\/CAPES","award":["18\/2020"],"award-info":[{"award-number":["18\/2020"]}]},{"name":"FAPESQ-PB\/CAPES","award":["308255\/2022-4"],"award-info":[{"award-number":["308255\/2022-4"]}]},{"name":"CNPq","award":["18\/2020"],"award-info":[{"award-number":["18\/2020"]}]},{"name":"CNPq","award":["308255\/2022-4"],"award-info":[{"award-number":["308255\/2022-4"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>For the purpose of renewable materials applications, Curau\u00e1 fiber treated with 5% sodium hydroxide was added to high-density biopolyethylene, using an entirely Brazilian raw material of sugarcane ethanol. Polyethylene grafted with maleic anhydride was used as a compatibilizer. With the addition of curau\u00e1 fiber, the crystallinity was reduced, possibly due to interactions in the crystalline matrix. A positive thermal resistance effect was observed for the maximum degradation temperatures of the biocomposites. When curau\u00e1 fiber was added (5% by weight), the morphology showed interfacial adhesion, greater energy storage and damping capacity. Although curau\u00e1 fiber additions did not affect the yield strength of high-density bio polyethylene, its fracture toughness improved. With the addition of curau\u00e1 fiber (5% by weight), the fracture strain was greatly reduced to about 52%, the impact strength was also reduced, suggesting a reinforcing effect. Concomitantly, the modulus and the maximum bending stress, as well as the Shore D hardness of the curau\u00e1 fiber biocomposites (at 3 and 5% by weight), were improved. Two important aspects of product viability were achieved. First, there was no change in processability and, second, with the addition of small amounts of curau\u00e1 fiber, there was a gain in the specific properties of the biopolymer. The resulting synergies can help ensure more sustainable and environmentally friendly manufacturing of automotive products.<\/jats:p>","DOI":"10.3390\/polym15061369","type":"journal-article","created":{"date-parts":[[2023,3,10]],"date-time":"2023-03-10T01:31:41Z","timestamp":1678411901000},"page":"1369","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Bio-Polyethylene Composites Based on Sugar Cane and Curau\u00e1 Fiber: An Experimental Study"],"prefix":"10.3390","volume":"15","author":[{"given":"Gustavo Henrique de Almeida","family":"Barbalho","sequence":"first","affiliation":[{"name":"Federal Institute of Education, Science and Technology of Rio Grande do Norte, Canguaretama 58190-000, Rio Grande do Norte, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 Jefferson da Silva","family":"Nascimento","sequence":"additional","affiliation":[{"name":"Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucineide Balbino da","family":"Silva","sequence":"additional","affiliation":[{"name":"Department of Materials Engineering, Federal University of Paraiba, Jo\u00e3o Pessoa 58051-900, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4387-4600","authenticated-orcid":false,"given":"Ricardo Soares","family":"Gomez","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Federal University of Para\u00edba, Jo\u00e3o Pessoa 58051-900, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel Oliveira de","family":"Farias","sequence":"additional","affiliation":[{"name":"Department of Production Engineering, Federal University of Campina Grande, Sum\u00e9 58540-000, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1275-809X","authenticated-orcid":false,"given":"Diego David Silva","family":"Diniz","sequence":"additional","affiliation":[{"name":"Engineering Department, Rural Federal University of Semi-Arid (UFERSA), Cara\u00fabas 59780-000, Rio Grande do Norte, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosilda Sousa","family":"Santos","sequence":"additional","affiliation":[{"name":"Department of Natural Sciences, Mathematics and Statistics, Rural Federal University of Semi-Arid (UFERSA), Mossor\u00f3 59625-900, Rio Grande do Norte, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8025-8911","authenticated-orcid":false,"given":"Maria Jos\u00e9 de","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Agroindustrial Management and Technology Department, Federal University of Para\u00edba, Bananeiras 58220-000, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1691-1872","authenticated-orcid":false,"given":"Antonio Gilson Barbosa de","family":"Lima","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Paraiba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.jclepro.2017.12.138","article-title":"Sustainability and innovation in the Brazilian supply chain of green plastic","volume":"177","author":"Pauletto","year":"2018","journal-title":"J. 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