Journal article
Highly porous regenerated cellulose hydrogel and aerogel prepared from hydrothermal synthesized cellulose carbamate
S Gan, S Zakaria, CH Chia, RS Chen, AV Ellis, H Kaco
Plos One | PUBLIC LIBRARY SCIENCE | Published : 2017
Abstract
Here, a stable derivative of cellulose, called cellulose carbamate (CC), was produced from Kenaf (Hibiscus cannabinus) core pulp (KCP) and urea with the aid of a hydrothermal method. Further investigation was carried out for the amount of nitrogen yielded in CC as different urea concentrations were applied to react with cellulose. The effect of nitrogen concentration of CC on its solubility in a urea-alkaline system was also studied. Regenerated cellulose products (hydrogels and aerogels) were fabricated through the rapid dissolution of CC in a urea-alkaline system. The morphology of the regenerated cellulose products was viewed under Field emission scanning electron microscope (FESEM). The ..
View full abstractGrants
Awarded by Ministry of Higher Education, Malaysia
Funding Acknowledgements
The authors thank Universiti Kebangsaan Malaysia (UKM) for the financial support via the research Project Grants AP-2015-005, DIP-2016-004, LRGS/TD/2012/USM-UKM/PT/04 and the Ministry of Higher Education Malaysia for MyBrain15-MyMaster Scholarship. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.The authors thank Universiti Kebangsaan Malaysia (UKM) for the financial support via the research Project Grants AP-2015-005, DIP-2016-004, LRGS/TD/2012/USM-UKM/PT/04 and the Ministry of Higher Education Malaysia for MyBrainl5-MyMaster Scholarship. The authors are also thankful to the Centre for Research and Instrumentation Management (CRIM) at UKM for providing the XRD and FESEM testing.