Results 221 to 230 of about 38,855 (280)

Chemo-enzymatic one-pot depolymerization of β-chitin. [PDF]

open access: yesChem Sci
Brehm J   +6 more
europepmc   +1 more source

Oxidative Depolymerization of Polyphenylene Oxide into Benzoquinone

ChemSusChem, 2023
AbstractPoly(2,6‐dimethyl‐1,4‐phenylene oxide) (PPO) is one of the most important engineering plastics commonly utilized in various fields. Herein, chemical recycling of PPO was performed via oxidative depolymerization to form 2,6‐diemthyl‐p‐benzoquionone (26DMBQ) as a sole aromatic product in 66 % yield using nitronium ions (NO2+) as a mild oxidant ...
Yoshihiro Shimoyama, Yumiko Nakajima
exaly   +3 more sources

Oxidative Depolymerization of Lignin to Low Molecular Weight Aromatics

open access: yes, 2019
To date, most lignocellulosic biorefinery strategies have focused on optimizing conversion of cellulose to ethanol, leaving lignin as an underutilized biomass constituent. Lignin is engineered by nature with the intent to protect plants from chemical and biological attack; this leaves lignin with high structural irregularity and recalcitrance ...
Song, Yang
openaire   +3 more sources

Oxidative depolymerization of lignin improved by enzymolysis pretreatment with laccase

Journal of Energy Chemistry, 2018
A new lignin depolymerization approach for improving the yield of aromatic monomers (YAM) by enzymolysis pretreatment was investigated, in which lignin was pretreated with laccase followed by oxidative depolymerization. It was found that lignin depolymeirzation was enhanced significantly by enzymolysis.
Yuan Zhu, Xinping Ouyang, Haijun Guo
exaly   +2 more sources

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