NDLI: Effect of post-synthetic processing conditions on structural variations and applications of bacterial cellulose

Content Provider	Springer Nature Link
Author	Ul Islam, Mazhar Khattak, Waleed Ahmad Kang, Minkyung Kim, Sang Min Khan, Taous Park, Joong Kon
Copyright Year	2012
Abstract	Physicochemical properties of materials can be amended by altering their physical structure through different processing conditions. The present study was conducted to investigate the post-synthesis structural variations and physico-mechanical properties of bacterial cellulose (BC) sheets prepared using different drying methods. Wet BC sheets of the same origin were freeze dried (BC-FD), dried at room temperature (25 °C) (BC-DRT), and dried at elevated temperature (50 °C) (BC-DHT). FE-SEM micrographs revealed that BC-DRT and BC-DHT had a more tightly packed and compact structure than the loosely held fibrils of BC-FD. XRD analysis revealed the relative crystallinity of the BC sample to be 64.60, 59.16, and 47.20 % for BC-DHT, BC-DRT and BC-FD, respectively. The water holding capacity (WHC) of the BC-FD was higher than that of the other two samples. Four consecutive drying and rewetting cycles demonstrated that the WHC of all samples decreased with each cycle. The WHC of BC-DRT and BC-DHT was reduced to almost 0 after the first drying cycle, but the BC-FD samples were able to regain some of their WHC. The tensile strength and elongation modulus were in the order of BC-DHT > BC-DRT > BC-FD. Overall, the results of this study revealed that the post-synthetic processing conditions had a strong effect on the structure and physico-mechanical properties of BC.
Starting Page	253
Ending Page	263
Page Count	11
File Format	PDF
ISSN	09690239
Journal	Cellulose
Volume Number	20
Issue Number	1
e-ISSN	1572882X
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-02-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bacterial cellulose Post-synthetic processing Structural analysis Water holding capacity and water release rate Mechanical properties Bioorganic Chemistry Physical Chemistry Organic Chemistry Polymer Sciences Ceramics, Glass, Composites, Natural Materials Sustainable Development
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Multi-layer nanopaper based composites

Extraction and characterization of cellulose nanocrystals from post-consumer wood fiberboard waste

A bacterial cellulose/Al2O3 nanofibrous composite membrane for a lithium-ion battery separator

Probing the structural chirality of crystalline cellulose with induced circular dichroism

Molecular simulation of surface reorganization and wetting in crystalline cellulose I and II

Influence of high loading of cellulose nanocrystals in polyacrylonitrile composite films

Facile cellulose nanofibrils amidation using a ‘one-pot’ approach

Strong cellulose nanofibre–nanosilica composites with controllable pore structure

Polylactide/cellulose nanocrystal composites: a comparative study on cold and melt crystallization

Effect of post-synthetic processing conditions on structural variations and applications of bacterial cellulose

Similar Documents

Multi-layer nanopaper based composites

Extraction and characterization of cellulose nanocrystals from post-consumer wood fiberboard waste

A bacterial cellulose/Al2O3 nanofibrous composite membrane for a lithium-ion battery separator

Probing the structural chirality of crystalline cellulose with induced circular dichroism

Molecular simulation of surface reorganization and wetting in crystalline cellulose I and II

Influence of high loading of cellulose nanocrystals in polyacrylonitrile composite films

Facile cellulose nanofibrils amidation using a ‘one-pot’ approach

Strong cellulose nanofibre–nanosilica composites with controllable pore structure

Polylactide/cellulose nanocrystal composites: a comparative study on cold and melt crystallization

Effect of post-synthetic processing conditions on structural variations and applications of bacterial cellulose