Results 181 to 190 of about 26,885 (272)

Hyper-Cross-Linked Microporous Polymers as Cheap and Efficient Catalysts for the Synthesis of Biodiesel. [PDF]

open access: yesACS Appl Eng Mater
Bezzu CG   +6 more
europepmc   +1 more source
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Alkaline sulfonation and thermomechanical pulping pretreatment of softwood chips and pellets to enhance enzymatic hydrolysis

Bioresource Technology, 2020
To assess the impact of alkalinity on sulfonation and the enzyme-mediated hydrolysis of softwood cellulose, Lodgepole pine chips were impregnated with 8% sodium sulfite and increasing loadings of sodium carbonate before thermomechanical pulping.
Jie Wu   +2 more
exaly   +2 more sources

Solid acid catalysts produced by sulfonation of petroleum coke: Dominant role of aromatic hydrogen

Chemosphere, 2020
Carbon based solid waste materials have been intensively investigated for the preparation of solid acid catalysts through sulfonation, but the acidity varies significantly depending on the material.
Ye Xiao, Josephine M Hill
exaly   +2 more sources

On the sulfonation of fluorinated aromatic polymers: Synthesis, characterization and effect of fluorinated side groups on sulfonation degree

European Polymer Journal, 2020
Series of partially sulfonated poly(F-STs-co-ST) copolymers and poly(TFMST-ter-ST-ter-FMST) terpolymer have been successfully synthesized via post-sulfonation method using acetyl sulfate as a sulfonating agent.
Joanna Wolska   +1 more
exaly   +2 more sources

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