Lewis acid‐base properties of cellulose acetate butyrate by inverse gas chromatography

PR Rani, S Ramanaiah… - Surface and Interface …, 2011 - Wiley Online Library
… n-alkanes will result in the evaluation of Lewis acidity, K a , Lewis basicity, K b , parameters
… [9], [22] In this work, we have reported that surface thermodynamic properties and Lewis acid-…

Zirconyl chloride as a novel and efficient green Lewis acid catalyst for direct acetylation of cotton cellulose in the presence and absence of solvent

S Ragab, A El Nemr - Journal of Polymer Research, 2019 - Springer
… However, we reported synthesis of cellulose acetate from cotton cellulose in high yield and
wide range of DS using Lewis acids such as I 2 , ZnCl 2 , FeCl 3 and MnCl 2 as catalyst in …

Lewis acid–base properties of cellulose acetate phthalate‐polycaprolactonediol blend by inverse gas chromatography

A Sudharshan Reddy, P Reddi Rani… - Polymer Engineering …, 2013 - Wiley Online Library
Cellulose acetate phthalate is compatible with many plasticizers, including acetylated …
28] on cellulose esters here we report the surface thermodynamic properties and Lewis acid–base …

D-Glucopyranosylation of cellulose acetate

RL Whistler, LW Doner - Carbohydrate Research, 1970 - Elsevier
… the Lewis acids examined, the most active in effecting transfer of D-glucopyranosyl groups
to cellulose acetate … The major side reaction was the depolymerization of the cellulose chain …

Lewis acid-base properties of cellulose acetate butyrate-poly (caprolactonediol) blend by inverse gas chromatography

PR Rani, S Ramanaiah, BP Kumar… - … Plastics Technology and …, 2013 - Taylor & Francis
… We have also reported the surface energy and acid-base properties of pure CAB [
Citation 20 ] . In this work we reported the surface thermodynamic properties and Lewis acid-base …

Ammonium complex of niobium as a precursor for the hydrothermal preparation of cellulose acetate/Nb2O5 photocatalyst

AGS Prado, EA Faria, JR SouzaDe… - Journal of Molecular …, 2005 - Elsevier
… to prepare cellulose acetate/Nb 2 O 5 catalysts. These materials presented homogeneous
dispersion of niobium on cellulose acetate surface with Bronsted and Lewis acid sites based …

Surface characterization of cellulose acetate propionate by inverse gas chromatography

B Praveen Kumar, S Ramanaiah… - Polymer bulletin, 2014 - Springer
… of cellulose acetate butyrate (CAB) [20]. Here, we report the dispersive surface free energy
and Lewis acid–… Further, Lewis acid–base parameters of CAP surface are compared with the …

Heteropolyacids and sulfonic acid-bifunctionalized organosilica spheres for efficient manufacture of cellulose acetate propionate with high viscosity

H Zhang, L Wu, Y Zhang, S An, HN Miras, YF Song - Cellulose, 2020 - Springer
… One interesting option is the acid-catalyzed esterification of cellulose to produce cellulose
acetate … Comparing with cellulose acetate (CA), CAP maintains the advantages of excellent …

Acidic ionic liquid as “quasi-homogeneous” catalyst for controllable synthesis of cellulose acetate

D Tian, Y Han, C Lu, X Zhang, G Yuan - Carbohydrate polymers, 2014 - Elsevier
… , cellulose acetate (CA) has been a well-known cellulose … pulp cellulose followed by hydrolysis
of the cellulose triacetate to … Concentrated mineral acids such as sulfuric acid are used in …

Molecular design and experimental study of cellulose conversion to 5-hydroxymethylfurfural catalyzed by different ratios of Brønsted/Lewis acid ionic liquids

S Liu, WW Zheng, X Wen, Z Fang, H Li, C Li… - Carbohydrate Polymers, 2022 - Elsevier
Cellulose conversion into 5-hydroxymethylfurfural (5-HMF) is difficult because of the strong
hydrogen bonding existed in cellulose chains. Brønsted/Lewis (B/L) biacidic functionalized …