Fungal rot effect on physical and mechanical properties of the bamboo-polypropylene composite

Authors

  • Ana Gabriela Altez Basaldúa Ingeniera Forestal. Universidad Nacional Agraria La Molina
  • Aldo Joao Cárdenas Oscanoa Departamento de Industrias Forestales, Facultad de Ciencias Forestales, Universidad Nacional Agraria La Molina
  • Martín Araujo Flores Departamento de Industrias Forestales, Facultad de Ciencias Forestales, Universidad Nacional Agraria La Molina
  • Belkis Coromoto Sulbarán Rangel Departamento de Estudios del Agua y la Energía, Campus Tonalá. Universidad de Guadalajara

DOI:

https://doi.org/10.29298/rmcf.v11i62.757

Keywords:

Biodegradation, Guadua angustifolia Kunth, rot fungi, composites, physical properties, mechanical properties

Abstract

 

Biodegradation resistance of a bamboo-polypropylene composite was evaluated through exposure to two fungi: white-rot Pycnoporus sanguineus and brown-rot Rhodonia placenta (synonym: Postia placenta) for 16 weeks, according to the ASTM D2017-05 norm. Effect of biodegradation on the physical properties of density, absorption and swelling, and mechanical properties of bending, traction and impact were also assessed. The composite was made by extrusion and compression molding using bamboo particles of Guadua angustifolia of two ASTM mesh sizes (40/60 and 60/80) at two bamboo / polypropylene ratios (30/70 and 50/50) and 2 % polypropylene maleic anhydride (MAPP) as a coupling agent. It was probed that the bamboo-polypropylene composite was susceptible to biodegradation by white- and brown-rot fungi; the formulation with smaller proportion of bamboo particles (30 %) exhibited a higher resistance to it. The physical properties of anhydrous density, absorption and swelling and the mechanical properties of static bending and traction were inversely affected by exposure to P. sanguineus and R. placenta, and white and brown rot fungi did not affect the impact property.

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Published

2020-10-26

How to Cite

Altez Basaldúa, Ana Gabriela, Aldo Joao Cárdenas Oscanoa, Martín Araujo Flores, and Belkis Coromoto Sulbarán Rangel. 2020. “Fungal Rot Effect on Physical and Mechanical Properties of the Bamboo-Polypropylene Composite”. Revista Mexicana De Ciencias Forestales 11 (62). México, ME. https://doi.org/10.29298/rmcf.v11i62.757.

Issue

Vol. 11 No. 62 (2020)

Section

Scientific article

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