Novel Sustainable Castor Oil-Based Polyurethane Biocomposites Reinforced with Piassava Fiber Powder Waste for High-Performance Coating Floor

Juliana Peixoto Rufino Gazem de Carvalho, Noan Tonini Simonassi, Felipe Perissé Duarte Lopes, Sergio Neves Monteiro and Carlos Maurício Fontes Vieira
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Juliana Peixoto Rufino Gazem de Carvalho: Advanced Materials Laboratory (LAMAV), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil
Noan Tonini Simonassi: Advanced Materials Laboratory (LAMAV), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil
Felipe Perissé Duarte Lopes: Advanced Materials Laboratory (LAMAV), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil
Sergio Neves Monteiro: Advanced Materials Laboratory (LAMAV), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil
Carlos Maurício Fontes Vieira: Advanced Materials Laboratory (LAMAV), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes 28013-602, Rio de Janeiro, Brazil

Sustainability, 2022, vol. 14, issue 9, 1-13

Abstract: The search for new greener materials that contribute to a more sustainable world motivated the present study in which novel biocomposites with 10, 20 and 30 vol% of piassava fiber powder waste reinforcing castor oil-based polyurethane (COPU) intended for a high-performance coated floor (HPCF) were developed. The novel biocomposites were characterized by flexural, Izod impact and wear standard tests as well as Fourier transform infrared spectroscopy (FTIR) and fracture analysis using scanning electron microscopy (SEM). Both flexural modulus and strength displayed marked increases reaching more than 800 and 500%, respectively, compared to plain COPU for 30 vol% piassava powder incorporation. FTIR bands indicated the existence of interaction between the piassava constituents and COPU. However, SEM fractographs disclosed the presence of bubbles attributed to retained gases during the COPU curing. Consequently, the Izod impact resistance showed a 50% decrease while the wear was more than three times accentuated for 30 vol% piassava powder biocomposite. These results met the specified values of corresponding standards and revealed a promising new greener material for HPCFs.

Keywords: castor oil polyurethane; natural fiber biocomposite; piassava fiber powder; high-performance coating; high-performance coating floor (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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