Cellulose with a High Fractal Dimension Is Easily Hydrolysable under Acid Catalysis
Mariana Díaz 1, Magali Hernández 1, Ilich A. Ibarra 1
, Ariel Guzmán 2, Victor Lara 3 and Enrique Lima 1,*
, Ariel Guzmán 2, Victor Lara 3 and Enrique Lima 1,*
1
Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Cd. Universitaria, Del. Coyoacán CP, Ciudad de México 04510, Mexico
2
Instituto Politécnico Nacional-ESIQIE, Avenida IPN UPALM Edificio 7, Zacatenco, Ciudad de México 07738, Mexico
3
Universidad Autónoma Metropolitana, Iztapalapa, A. P. 55-532, Av. San Rafael Atlixco No. 186, Col. Vicentina, Ciudad de México 09340, Mexico
*
Author to whom correspondence should be addressed.
Academic Editor: Ivan V. Kozhevnikov
Catalysts 2017, 7(5), 162; https://doi.org/10.3390/catal7050162
Received: 2 March 2017 / Revised: 16 April 2017 / Accepted: 12 May 2017 / Published: 19 May 2017
Abstract
The adsorption of three diverse amino acids couples onto the surface of microcrystalline cellulose was studied. Characterisation of modified celluloses included changes in the polarity and in roughness. The amino acids partially break down the hydrogen bonding network of the cellulose structure, leading to more reactive cellulose residues that were easily hydrolysed to glucose in the presence of hydrochloric acid or tungstophosphoric acid catalysts. The conversion of cellulose and selectivity for glucose was highly dependent on the self-assembled amino acids adsorbed onto the cellulose and the catalyst. View Full-TextKeywords:
cellulose; adsorption; hydrolysis
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Díaz, M.; Hernández, M.; Ibarra, I.A.; Guzmán, A.; Lara, V.; Lima, E. Cellulose with a High Fractal Dimension Is Easily Hydrolysable under Acid Catalysis. Catalysts 2017, 7, 162.
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