<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents results of research on the preparation of cellulose membranes with graphite oxide addition (GO/CEL). Initially, a cellulose (CEL) solution in 1-ethyl-3-methylimidazole acetate (EMIMAc) was obtained, to which graphene oxide (GO) dispersed in N,N-dimethylformamide (DMF) was added. From this solution, composite membranes were formed using phase inversion method. It was observed that the GO addition influences the physico-chemical properties of GO/CEL composite membranes, resulting in an increase in their mass per unit area, thickness and density, and a decrease in sorption properties. In addition, the study of transport properties has shown that GO/CEL membranes do not absorb BSA particles on their surface, which prevents the unfavorable phenomenon of fouling. An important feature of the obtained membranes is the specific permeate flux which reaches high values (~124 L/m<sup>2</sup>×h) at 3.8% of the GO addition to the cellulose matrix.</p></abstract>

The paper presents results of research on the preparation of cellulose membranes with graphite oxide addition (GO/CEL). Initially, a cellulose (CEL) solution in 1-ethyl-3-methylimidazole acetate (EMIMAc) was obtained, to which graphene oxide (GO) dispersed in N,N-dimethylformamide (DMF) was added. From this solution, composite membranes were formed using phase inversion method. It was observed that the GO addition influences the physico-chemical properties of GO/CEL composite membranes, resulting in an increase in their mass per unit area, thickness and density, and a decrease in sorption properties. In addition, the study of transport properties has shown that GO/CEL membranes do not absorb BSA particles on their surface, which prevents the unfavorable phenomenon of fouling. An important feature of the obtained membranes is the specific permeate flux which reaches high values (~124 L/m2×h) at 3.8% of the GO addition to the cellulose matrix.

Preparation and properties of cellulose membranes with graphene oxide addition

Faculty of Materials, Civil and Environmental Engineering, Institute of Textile Engineering and Polymer Materials

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Preparation and properties of cellulose membranes with graphene oxide addition"}

The paper presents results of research on the preparation of cellulose membranes with graphite oxide addition (GO/CEL). Initially, a cellulose (CEL) solution...

Preparation and properties of cellulose membranes with graphene oxide addition

Publié en ligne: 29 déc. 2017

Pages: 41 - 49

DOI: https://doi.org/10.1515/pjct-2017-0066

Mots clés
cellulose, ionic liquid, graphene oxide, membranes, transport properties

© 2017 Beata Fryczkowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Preparation and properties of cellulose membranes with graphene oxide addition

Publié en ligne: 29 déc. 2017

Pages: 41 - 49

DOI: https://doi.org/10.1515/pjct-2017-0066

Mots cléscellulose, ionic liquid, graphene oxide, membranes, transport properties

© 2017 Beata Fryczkowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
cellulose, ionic liquid, graphene oxide, membranes, transport properties