Synthesis and Structural Characteristics of Organic Aerogels with Different Content of Lignin

Abstract:

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Lignin can be used as a cheap raw material to prepare organic and carbon aerogels based upon the sol-gel reactions. Different concent lignin organic aerogels have been prepared by sol–gel polymerization of formaldehyde with resorcinol, following by the process of RF-gel production and subsequent freeze drying. The resulting materials were characterized by FT-IR analysis, nitrogen adsorption, transmission electron microscopy and Scanning electron micrographs. The structural properties organic aerogel depend on the amount of lignin added to the sol-gel system. and the LRF aerogels obtained in the experimental have an open cell structure with continuous porosity and homogeneous spherical particles.

Info:

Periodical:

Advanced Materials Research (Volumes 113-116)

Edited by:

Zhenyu Du and X.B Sun

Pages:

1837-1840

DOI:

10.4028/www.scientific.net/AMR.113-116.1837

Citation:

F. Chen and J. Li, "Synthesis and Structural Characteristics of Organic Aerogels with Different Content of Lignin", Advanced Materials Research, Vols. 113-116, pp. 1837-1840, 2010

Online since:

June 2010

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$35.00

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