Results 81 to 90 of about 382,747 (271)
Chemistry – A European Journal, EarlyView.A straightforward one‐step protocol enables the synthesis of bio‐based and biologically active isochromans through the Oxa‐Pictet cyclization involving diverse aldehydes, including vanillin in combination with lignin‐derivable homovanillyl alcohol, a prominent aromatic platform chemical obtainable via diol‐assisted fractionation of lignocellulose ...
Anjali Kottayi +6 more
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Journal of Wood Science, 2020 Density reduction has become a topical issue in wood composite materials for application in building and furniture. In this study, lightweight wood–polyurethane (W–PU) composite foams with the addition of 30 wt% wood particles were prepared.
Shupin Luo, Li Gao, Wenjing Guo
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ChemSusChem, Volume 18, Issue 6, March 15, 2025.Sustainable hydrogen production can be obtained from hydogen‐rich biomass‐derived organic molecules through Acceptorless Dehydrogenation (AD) reactions. Glycerol and sugars are available in large quantities from industry and can be successfully used as substrates in AD protocols, in the presence of tailored, selective, easily tunable and thermally ...
Sylwia Kostera, Luca Gonsalvi
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Membranes, 2018 Enhancement of membrane permeability at no detriment of its other performances, e.g., selectivity, is a goal-directed objective in membrane fabrication.
Mohammadamin Esmaeili +3 more
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A Simple Regeneration Process Using a CO2‐Switchable‐Polarity Solvent for Cellulose Hydrogels
ChemSusChem, Volume 18, Issue 6, March 15, 2025.The effect of transformation of the anion chemical structure on cellulose solubility by flowing CO2 gas into aqueous pyrrolidinium hydroxide solutions was investigated. The changes in anion structure allowed for the modulation of cellulose solubility in aqueous pyrrolidinium hydroxide solutions, thus establishing a simple and safe cellulose ...
Arata Matsui +5 more
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Effect of ternary deep eutectic solvents on delignification of stone pine cone
Turkish Journal of ForestryDue to their cost-effectiveness and environmentally friendly nature, deep eutectic solvents (DESs) hold great potential for applications in biomass conversion and the production of green chemicals.
Özge Özgürlük +3 more
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Journal of The Japan Petroleum Institute, 1994 エチレングリコールおよびジエチレングリコール中におけるリグニンの熱分解反応について研究した。反応温度573Kと623Kにおいて3時間反応を行った。ジエチレングリコール中, 反応温度573Kでの反応以外では, 生成物は2液相に分離した。下相はグリコールが主成分で, その他に水溶性の生成物が含まれており, 上相は黒色のオイル状の液体であった。元素分析値, 1H-NMRおよび13C-NMR測定により水素および炭素の分布を定量し, 官能基濃度解析法により生成物中に含まれていると推定される13種類の官能基の濃度を決定した。解析に際して2種類の解析法について検討した: 方法1は解析データとして元素分析値と1H-NMRデータを用いる方法であり, 方法2では元素分析値, 1H-NMRデータのほかに13C ...
Chiaki YOKOYAMA +2 more
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ChemSusChem, Volume 18, Issue 6, March 15, 2025.Novel organic solvents with an unmodified carbohydrate core were synthesised both from D‐xylose and directly from biomass and were successfully used as reaction media for lipase biocatalysts to synthesise aliphatic and aromatic polyesters. Abstract The use of organic solvents in academic research and industry applications is facing increasing ...
Anastasia O. Komarova +8 more
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Learning Strategies from Nature's Blueprint to Cyclic Carbonate Synthesis
ChemSusChem, Volume 18, Issue 6, March 15, 2025.The development of sustainable synthetic methods for cyclic carbonates draws inspiration from nature, focusing on eco‐friendly processes and renewable resources like CO2 and biomass. This review explore various CO2 activation mechanisms, green chemistry principles, and green catalysts.
Erika Saccullo +4 more
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Chemical thermostabilization for the preparation of carbon fibers from softwood lignin [PDF]
BioResources, 2012 A thermally fusible softwood lignin was directly isolated by a solvolysis of cedar wood chips with a mixture of polyethylene glycol 400 (PEG 400) and sulfuric acid.
Jian Lin +4 more
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