A Novel Highly Porous Cellulosic Aerogel Regenerated by Solvent Exchange Mechanism

Cellulose acetate aerogel (CAA) regenerated with toluene solvent was first obtained and analysed in this work using several measurement techniques. CAA, a “green” and environmentally friendly material, with high thermal stability, water absorbency and a porous structure is a hopeful candidate as a s...

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Bibliographic Details
Published in:Journal of polymers and the environment 2019-08, Vol.27 (8), p.1801-1806
Main Authors: Kaya, Mehmet, Demir, Adem, Akçay, Hakkı Türker
Format: Article
Language:English
Subjects:
ABSORBENTS
ACETATES
Acetic acid
Aerogels
CELLULOSE
Cellulose acetate
Chemistry
Chemistry and Materials Science
Environmental Chemistry
Environmental Engineering/Biotechnology
GELS
Heat exchange
Industrial Chemistry/Chemical Engineering
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
LYOPHILIZATION
Materials Science
Measurement techniques
Original Paper
Polymer Sciences
POROUS MATERIALS
SOLVENTS
Thermal stability
TOLUENE
Water absorption
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Summary:Cellulose acetate aerogel (CAA) regenerated with toluene solvent was first obtained and analysed in this work using several measurement techniques. CAA, a “green” and environmentally friendly material, with high thermal stability, water absorbency and a porous structure is a hopeful candidate as a superabsorbent and potential heat insulator for various applications. The obtained porous aerogel with a notable surface area (312.5 m 2 /g) is thermally stable up to about 300 °C and super-absorbent (72.0 g water/1.0 g sample). Thereby, the present study can play an important role in developing production of cellulose acetate based “green” absorbent and potential aerogel materials for heat insulating. Moreover, this process is handily available at low cost, sustainable and favourable for many applications.
ISSN:1566-2543
1572-8919
DOI:10.1007/s10924-019-01476-1