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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Mold heat conductance as drive force for tuning freeze-casted nanocellulose foams microarchitecture

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Author(s):
Mariano, Marcos [1] ; Bernardes, Juliana da Silva [1] ; Strauss, Mathias [1]
Total Authors: 3
Affiliation:
[1] Brazilian Ctr Res Energy & Mat CNPEM, Brazilian Nanotechnol Natl Lab LNNano, BR-13083970 Campinas, SP - Brazil
Total Affiliations: 1
Document type: Journal article
Source: Materials Letters; v. 225, p. 167-170, AUG 15 2018.
Web of Science Citations: 4
Abstract

The influence of ice-crystals growing direction over the organization of cellulose nanofibers as freezecasted foams is reported. This tuning was achieved by changing the metallic (copper) area of the sample molds which altered the freezing-front behavior, causing an oriented foam structure in certain directions. This orientation imparted different microarchitectures to the foams, leading to different pores sizes and wall thicknesses which could be characterized by advanced image techniques based on microtomography. As consequence, mechanical properties, such as compression modulus, have changed. In this study, a statistical approach is used to validate all the results obtained. (C) 2018 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 16/04514-7 - Cellulose nanoparticles as rheology modifiers for complex fluids
Grantee:Juliana da Silva Bernardes
Support Opportunities: Program for Research on Bioenergy (BIOEN) - Regular Program Grants