Results 311 to 320 of about 847,704 (340)

Saccharide Alterations in Spruce Wood Due to Thermal and Accelerated Aging Processes. [PDF]

open access: yesPolymers (Basel)
Kačík F   +5 more
europepmc   +1 more source

The Characterizations of Bacterial Cellulose and Dialdehyde Celluloses from Bacterial Cellulose

Key Engineering Materials, 2007
The characteristics and properties of bacterial cellulose and dialdehyde celluloses from bacterial cellulose were studied by XRD, TG-IR and adsorption capacity testing. The crystal cell parameters of BC were calculated and approximated to that of monocline crystal cell model. The XRD profiles showed that the crystallinity degree of BC was 66%, and that
Yu Hong Feng   +5 more
openaire   +2 more sources

thermal degradation of cellulose and cellulosic substrates

2015
This chapter is aimed to thoroughly describe the thermal degradation of cellulose and cellulosic substrates (like cotton and paper), investigating the involved reaction mechanisms. After a brief introduction about the real reasons that motivated the study on cellulose degradation, a first general introduction on cellulose thermal degradation (namely ...
Alongi, Jenny, MALUCELLI, Giulio
openaire   +3 more sources

Cellulose: Chemistry of Cellulose Derivatization

2012
This chapter gives an overview on various possibilities of cellulose functionalization. Particular attention was paid on homogeneous-phase conversions of cellulose in reaction media based on both aprotic-dipolar solvents in combination with salts and ionic liquids. Paths for cellulose esterification via in situ activated carboxylic acids are discussed.
Valeria Harabagiu   +4 more
openaire   +2 more sources

Electrospinning Cellulose and Cellulose Derivatives

Polymer Reviews, 2008
Many solvents suitable for wet or dry spinning of cellulose and cellulose derivatives have also been investigated as solvents for electrospinning. Solvents for cellulose are not completely volatile and have required coagulation steps to ensure complete removal of the solvent from electrospun fibers and produce stable fibers.
openaire   +2 more sources

Multilayers of cellulose derivatives and chitosan on nanofibrillated cellulose

Carbohydrate Polymers, 2014
The aim of this work was to study the effect of solution conditions and polysaccharide structure on their Layer-by-Layer (LbL) deposition on nanofibrillated cellulose (NFC). Multilayer build-up of cellulose derivatives and chitosan on NFC model surfaces was studied using Quartz Crystal Microbalance with Dissipation (QCM-D) and Colloidal Probe ...
Junka, Karoliina   +5 more
openaire   +5 more sources

Cellulose Crystallites

Chemistry, 2001
This article discusses advances in understanding the structural and physicochemical characteristics of suspensions of cellulose crystallites prepared by acid hydrolysis of natural cellulose fibres. Consideration of recent developments in visualization of crystallite ultrastructure may provide clues to suspension behavior.
K, Fleming, D G, Gray, S, Matthews
openaire   +2 more sources

Pyrolysis of cellulose

Carbohydrate Research, 1973
Pyrolysis of cellulose under vacuum and atmospheric pressure gave a tar containing various amounts of 1,6-anhydro-β-D-glucopyranose, 1,6-anhydro-β-D-glucofuranose, α- and β-D-glucose, 3-deoxy-D-erythro-hexosulose, oligo- and polysaccharides, and some dehydration products.
Y.L. Fu, Fred Shafizadeh
openaire   +3 more sources

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