Synthesis of macroporous monolithic materials from a waste renewable source

ABSTRACT Interconnected porous monolithic materials can be directly obtained from non‐templating methods by reacting raw Kraft black liquor with epichlorohydrin either in the presence or not of surfactant, whereas extracted lignin leads to non‐porous materials. In the presence of a surfactant, micel...

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Bibliographic Details
Published in:Journal of applied polymer science 2015-01, Vol.132 (1), p.np-n/a
Main Authors: Forgacz, Claire, Birot, Marc, Deleuze, Hervé
Format: Article
Language:English
Subjects:
Activation
Agglomeration
biopolymers and renewable polymers
Carbon
cellulose and other wood products
colloids
Materials science
Micelles
Monolithic materials
Morphology
Phase separation
Polymers
porous materials
Surfactants
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Summary:ABSTRACT Interconnected porous monolithic materials can be directly obtained from non‐templating methods by reacting raw Kraft black liquor with epichlorohydrin either in the presence or not of surfactant, whereas extracted lignin leads to non‐porous materials. In the presence of a surfactant, micelles organization takes place and porosity of 40–60% can be achieved. Without surfactant, chemically induced phase separation occurs, giving materials with agglomerated nodules morphology. Carbonization followed by activation with CO2 yield monolithic micro/mesoporous carbons with surface area of 300 m2 g−1. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41215.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.41215