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Artículo

Mechanical Evaluation of Laminates Based on Phenolic Resins using Lignins as Partial Substitutes for Phenol

Taverna, María EugeniaIcon ; Ollearo, Rocío; Moran, Juan IgnacioIcon ; Nicolau, Veronica VivianaIcon ; Estenoz, Diana AlejandraIcon ; Frontini, Patricia MariaIcon
Fecha de publicación: 10/2015
Editorial: North Carolina State University. Department Of Wood And Paper Science
Revista: Bioresources
ISSN: 1930-2126
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
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Resumen

Reducing the consumption of phenol during synthesis of phenolic resins is of great technological and scientific interest because of its economic and environmental implications. In this work, the use of hydroxymethylated lignins as a partial replacement for phenol in resol phenol-formaldehyde resins used for the production of decorative laminates was experimentally studied. The work involved: i) the industrial synthesis of traditional and modified resols with 10%w/w of sodium lignosulfonate and kraft-type lignin; ii) the industrial impregnation of kraft-type paper with the produced resins; iii) the production of laminates on both laboratory and industrial scales; and iv) the measurement of their final properties. The mechanical performance of the laminates was evaluated via the determination of the Young modulus, bending strength, biaxial impact strength, and Mode-I interlaminar fracture toughness. The (modified and traditional) laminates exhibited statistically significant differences in mechanical properties. However, the partial lignin replacement did not produce effects that were detrimental effects to the overall performance of the decorative laminates.
Palabras clave: Laminate , Resol , Lignin , Mechanical Properties
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/10043
URL: http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_4_8325_Taverna_M
Colecciones
Articulos(INTEC)
Articulos de INST.DE DES.TECNOL.PARA LA IND.QUIMICA (I)
Citación
Taverna, María Eugenia; Ollearo, Rocío; Moran, Juan Ignacio; Nicolau, Veronica Viviana; Estenoz, Diana Alejandra; et al.; Mechanical Evaluation of Laminates Based on Phenolic Resins using Lignins as Partial Substitutes for Phenol; North Carolina State University. Department Of Wood And Paper Science; Bioresources; 10; 4; 10-2015; 8325-8338
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