Artículo
Cellulose-Chitosan biodegradable materials for insulating applications
Fecha de publicación:
09/2022
Editorial:
American Chemical Society
Revista:
ACS Sustainable Chemistry and Engineering
e-ISSN:
2168-0485
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Bio-based lightweight porous materials have attracted attention due to their unique properties and have become an interesting alternative to petroleum-based foams such as expanded polystyrene (EPS) and polyurethane foams. In this work, biodegradable cellulose pulp-chitosan foams were obtained through a low-cost, simple, and scalable method. A full factorial design was carried out to study the effects of three experimental factors (chitosan content, foaming agent concentration, and foaming time) on apparent density and mechanical properties. The prepared foams displayed low apparent densities (0.06-0.12 g/cm3), good mechanical performance (elastic modulus: 0.18-1.20 MPa, compressive strength: 0.02-0.11 MPa), excellent thermal insulation properties (thermal conductivities: 0.03-0.04 W/mK), and high biodegradation rates. The increase of chitosan content improved the water resistance and mechanical strength. Finally, these materials could be suitable for several applications in which thermal insulation, mechanical resistance, and water stability are crucial, including packaging and construction, as an alternative to traditional nonbiodegradable materials.
Palabras clave:
BIODEGRADABLE
,
CELLULOSE
,
CHITOSAN
,
FOAM
,
SUSTAINABLE
,
THERMAL INSULATION
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Articulos(IPQA)
Articulos deINSTITUTO DE INVESTIGACION Y DESARROLLO EN INGENIERIA DE PROCESOS Y QUIMICA APLICADA
Articulos deINSTITUTO DE INVESTIGACION Y DESARROLLO EN INGENIERIA DE PROCESOS Y QUIMICA APLICADA
Citación
Lujan, Lautaro; Goñi, Maria Laura; Martini, Raquel Evangelina; Cellulose-Chitosan biodegradable materials for insulating applications; American Chemical Society; ACS Sustainable Chemistry and Engineering; 10; 36; 9-2022; 12000-12008
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