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
Cellulose acetate propionate (CAP), a high value-added chemical, is traditionally prepared
using H 2 SO 4 as catalyst. Replacement of the mineral acids by solid acids is current …

Conversion of cellulose into valuable chemicals using sulfonated amorphous carbon in 1-ethyl-3-methylimidazolium chloride

THT Nguyen, HB Phan, TH Nguyen, KN Tran… - RSC …, 2023 - pubs.rsc.org
In this study, three carbon-based solid acid catalysts were prepared via the one-step
hydrothermal procedure using glucose and Brønsted acid, including sulfuric acid, p …

Mesoporous polymer loading heteropolyacid catalysts: one-step strategy to manufacture high value-added cellulose acetate propionate

Y Zhang, X Chen, L Li, W Chen… - ACS Sustainable …, 2019 - ACS Publications
Cellulose esters are cellulose derivatives with broad application in plastics, films, fibers,
coatings, textiles industries, and so forth. Taking cellulose acetate propionate (CAP) as an …

Core–shell Assembly of Heteropolyacids and Polymer: Efficient Preparation of Cellulose Acetate Propionate and Its Processed Products

Y Wen, H Zhang, J Li, S An, W Chen… - … Sustainable Chemistry & …, 2021 - ACS Publications
As a biomass-derived polymer, cellulose acetate propionate (CAP) is widely used in food
packaging, plastics and coatings, and so forth. In order to produce CAP in a green and …

Acid–base bi-functionalized, large-pored mesoporous silica nanoparticles for cooperative catalysis of one-pot cellulose-to-HMF conversion

WH Peng, YY Lee, C Wu, KCW Wu - Journal of Materials Chemistry, 2012 - pubs.rsc.org
Mesoporous silica nanoparticles (MSNs) with large pore size around 30 nm were
synthesized and functionalized with acid (SO3H), base (NH2) and both acid–base (SO3H …

Sulfonated carbon as a new, reusable heterogeneous catalyst for one-pot synthesis of acetone soluble cellulose acetate

LJ Konwar, P Mäki-Arvela, AJ Thakur, N Kumar… - RSC …, 2016 - pubs.rsc.org
A sulfonated carbon (SO3H/PhSO3H-carbon) catalyzed novel process was developed for
the solvent free synthesis of acetone soluble-cellulose acetate (CA) via acetylation of …

Synthesis and evaluation of macroporous polymerized solid acid derived from Pickering HIPEs for catalyzing cellulose into 5-hydroxymethylfurfural in an ionic liquid

H Gao, Y Peng, J Pan, J Zeng, C Song, Y Zhang… - Rsc Advances, 2014 - pubs.rsc.org
Stable water-in-oil (W/O) Pickering high internal phase emulsions (HIPEs) with an internal
phase volume fraction of 84.8% were first stabilized by both the hydrophobic silica …

Upgrading of pyrolysis biofuel via esterification of acetic acid with benzyl alcohol catalyzed by Brønsted acidic ionic liquid functionalized ethyl-bridged organosilica …

P Zhang, Y Sun, Q Zhang, Y Guo, D Song - Fuel, 2018 - Elsevier
Catalytic esterification of acetic acid with high boiling point benzyl alcohol is a primary goal
to decrease oxygen content and acidity of crude pyrolysis biofuels before their further …

Direct conversion of cellulose to ethyl levulinate catalysed by modified fibrous mesoporous silica nanospheres in a co-solvent system

Z Zhang, Z Huang, H Yuan - New Journal of Chemistry, 2021 - pubs.rsc.org
KCC-1/Al–SO3H solid acids with different Si/Al molar ratios were prepared by sulphonic acid
functionalisation using fibrous nanoporous silica particles (KCC-1/Al) as carriers. Field …

Hydrolysis of cellulose in ionic liquids catalyzed by a magnetically-recoverable solid acid catalyst

Y Xiong, Z Zhang, X Wang, B Liu, J Lin - Chemical Engineering Journal, 2014 - Elsevier
Catalytic hydrolysis of cellulose into reducing sugar (RS) over solid acid catalysts is one of
efficient pathways for the conversion of biomass into fuels and chemicals. In this study, we …