Open AccessEvaluation of a biodegradable color concentrate in bags for coffee seedlings
Author(s) -
Amanda Parra-Campos,
Pedro Albán-Bolaños,
Héctor Samuel Villada Castillo,
Hugo Portela-Guarín,
Lily Marcela Palacios,
Germán A. Arboleda
Publication year - 2020
Publication title -
dyna
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.164
H-Index - 18
eISSN - 2346-2183
pISSN - 0012-7353
DOI - 10.15446/dyna.v87n212.79307
Subject(s) - plasticizer , lubricant , materials science , absorption of water , ultimate tensile strength , starch , elongation , composite material , pigment , young's modulus , food science , chemistry , organic chemistry
The aim of this study was to evaluate different formulations of a biodegradable black concentrate obtained from cassava starch and carbon black, on the mechanical properties, color, and water absorption of a film destined to the production of biodegradable bags for coffee seedlings. The modulus of elasticity, tensile strength and elongation properties is found to show significant variation due to the pigment, plasticizer, and lubricant concentration, both longitudinally and transversely of the film, the treatment being 40% pigment with the absence of plasticizer and lubricant for the pigment, which presented greater integrity in the mechanical properties evaluated in both directions. It is also noticeable that the different masterbatch formulations had an influence on the changes in the color parameters and weight gain of the film by the influence of water absorption.