SciELO - Scientific Electronic Library Online

vol.19 número4Effect of Fiber Treatment Condition and Coupling Agent on the Mechanical and Thermal Properties in Highly Filled Composites of Sugarcane Bagasse Fiber/PPPhotodegradation and Photostabilization of Poly(3-Hydroxybutyrate) índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados




Links relacionados


Materials Research

versão impressa ISSN 1516-1439versão On-line ISSN 1980-5373


BORGHESI, Daiana Cristina; MOLINA, Maíra Fernanda; GUERRA, Marcos Antônio  e  CAMPOS, Maria Gabriela Nogueira. Biodegradation Study of a Novel Poly-Caprolactone-Coffee Husk Composite Film. Mat. Res. [online]. 2016, vol.19, n.4, pp.752-758.  Epub 13-Maio-2016. ISSN 1980-5373.

Plastic disposal is a worldwide issue due to its long degradation time. Environmentally degradable polymers (EDPs) have received considerable attention because of their faster degradation. However, the use of EDPs is limited by high cost and restricted properties. The incorporation of organic fillers is an alternative to reduce cost while increasing biodegradation. Poly-caprolactone (PCL) is a biodegradable polyester compatible with organic fillers. Coffee husk (CH) is a sub-product of coffee processing with potential use as organic filler. We prepared a novel PCL-CH composite film and investigated the effects of CH incorporation on the biodegradation of PCL. Biodegradation study was carried out in soil for 120 days, and evaluated by weight loss measurements. Additionally, soil microbiological and granulometric analyses were performed. Bacteria and fungi were found in the soil that was classified as sandy. The composite film degraded twice faster than PCL film probably due to the adhesion of microorganisms on the coffee husk.

Palavras-chave : Poly-caprolactone; Coffee Husk; Composite; Biodegradation; Soil.

        · texto em Inglês     · Inglês ( pdf )