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Materials Proceedings, 2023 One of the strategies suggested for solving the greenhouse gas problem is the transformation of CO2 into valuable chemicals, such as carbamates, cyclic carbonates, oxazolidones and tetramic acids.
Gamze Ozcakir
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Ionic Liquid Catalysis in Cyclic Carbonate Synthesis for the Development of Soybean Oil-Based Non-Isocyanate Polyurethane Foams [PDF]
MoleculesA method for obtaining non-isocyanate polyurethane (NIPU) foams from cyclic carbonate (CC) based on soybean oil was developed. For this purpose, cyclic carbonate was synthesized from epoxidized soybean oil and CO2 using various ionic liquids (ILs) as ...
Damian Kiełkiewicz +4 more
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Liquefaction Behavior of Bushehr Coastal Carbonate Sand [PDF]
Journal of Hydraulic Structures, 2022 Over the past few years, liquefaction phenomena have always been one of the challenging issues in geotechnical engineering. The occurrence of liquefaction is due to cyclic tensions resulting from zero effective stress in the soil mass.
Ahmadreza Mazaheri +2 more
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Pore-Water Pressure Model for Carbonate Fault Materials Based on Cyclic Triaxial Tests
Frontiers in Earth Science, 2022 Pore-water pressure generation in the saturated carbonate fault zone plays a key role in the initiation of the Daguangbao landslide, which is the largest landslide triggered by the 2008 Wenchuan earthquake in China.
Ling Zhu +4 more
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Zhongguo youzhi, 2023 旨在为植物油基环状碳酸酯产品的制备提供新的研究思路，以环氧大豆油脂肪酸甲酯和二氧化碳为原料，在催化剂季铵盐和氢键供体的作用下，合成植物油基环状碳酸酯。通过单因素实验对植物油基环状碳酸酯的合成条件进行优化，对反应动力学进行了分析，同时对产物植物油基环状碳酸酯进行了红外表征。结果表明：植物油基环状碳酸酯最佳合成条件为以芝麻酚为氢键供体、四丁基溴化铵与芝麻酚物质的量比2∶ 1、四丁基溴化铵用量10%（以原料环氧键物质的量计）、反应温度120 ℃、反应压力1.0 MPa、反应时间10 h ...
龙利利，刘伟 LONG Lili，LIU Wei
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Experimental study on cyclic shear stiffness and damping ratio of carbonate sand-steel interface
Rock and Soil Mechanics, 2020 The dynamic response of carbonate sand-steel interface is of great significance to the safety and stability of the structure foundations which are constructed under reef geotechnical conditions.
RUI Sheng-jie +4 more
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Evolution of particle crushing of carbonate sands under cyclic triaxial stress path
Yantu gongcheng xuebao, 2019 The carbonate sand is widely distributed in the South China Sea and used as the fill materials for land reclamation. Carbonate sand particles are fragile and can be easily crushed, making the carbonate sand exhibit distinctive mechanical behaviors ...
WANG Gang 1,2, ZHA Jing-jing 1,2, WEI Xing 3
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Self-Assembled Bimetallic Aluminum-Salen Catalyst for the Cyclic Carbonates Synthesis
Molecules, 2021 Bimetallic bis-urea functionalized salen-aluminum catalysts have been developed for cyclic carbonate synthesis from epoxides and CO2. The urea moiety provides a bimetallic scaffold through hydrogen bonding, which expedites the cyclic carbonate formation ...
Wooyong Seong +5 more
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Beilstein Journal of Organic Chemistry, 2019 In order to produce versatile and potentially functional terpene-based compounds, a (R)-limonene-derived diol and its corresponding five-membered cyclic carbonate were prepared.
Hiroshi Morikawa +6 more
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Synthesis of High-Molecular-Weight Multifunctional Glycerol Polyhydroxyurethanes PHUs
Molecules, 2016 Glycerol carbonate acrylate is a 5-membered cyclic carbonate synthesized from glycerol that is used as a chemical coupling agent and has proven highly suitable for use in the synthesis of multifunctional polyhydroxyurethanes (PHUs).
Bassam Nohra +4 more
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