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32,633 Newest Publications about the topic solution

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6,7‐Bismethoxy‐2,11‐dihydroxytetraphenylene Derived Macrocycles: Synthesis, Structures, and Complexation with Fullerenes

25-Jul-2015 | Henry N. C. Wong, Chun-Lin Deng, Xiao-Dong Xiong, David T.W. Chik, Zongwei Cai, Xiao-Shui Peng, Chemistry - An Asian Journal, 2015

6,7‐Bismethoxy‐2,11‐dihydroxytetraphenylene (1), a novel building block of tetraphenylene‐derived macrocycles, was synthesized via palladium‐catalyzed cross coupling reactions and characterized by X‐ray diffraction. The relevant macrocyclic hosts derived from 1 have well‐defined structures with ...

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A novel superabsorbent from raw corn straw and poly (acrylic acid)

25-Jul-2015 | Shuping Jin, Jun Chen, Jianying Mao, Guoren Yue, Yuqi Han, Xinghai Yu, Polymer Composites, 2015

A superabsorbent (CS/PAA SAR) for agriculture based on raw corn straw was prepared by free radical polymerization of acrylic acid (AA) in the presence of corn straw (CS) powder, which was used as received without any treatments. The water absorbency (WA) of SAR was investigated. The results show ...

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Preparation of dual‐layer acetylated methyl cellulose hollow fiber membranes via co‐extrusion using thermally induced phase separation and non‐solvent induced phase separation methods

25-Jul-2015 | Hanna Jang, Du‐Hyun Song, Hye‐Jin Lee, Seong‐Han Lim, In‐Chul Kim, Young‐Nam Kwon, Journal of Applied Polymer Science, 2015

ABSTRACT Dual‐layer acetylated methyl cellulose (AMC) hollow fiber membranes were prepared by coupling the thermally induced phase separation (TIPS) and non‐solvent induced phase separation (NIPS) methods through a co‐extrusion process. The TIPS layer was optimized by investigating the effects ...

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Reduction of Charge and Discharge Polarization by Cobalt Nanoparticles‐Embedded Carbon Nanofibers for Li–O2 Batteries

24-Jul-2015 | Yun‐Jung Kim, Hongkyung Lee, Dong Jin Lee, Jung‐Ki Park, Hee‐Tak Kim, ChemSusChem, 2015

The Cover picture shows a possible solution to the low round‐trip efficiencies of Li–O2 batteries (the most promising next‐generation battery) owed to the poor reversibility of the formation of the discharge product Li2O2 and the associated high polarization potentials. This can be achieved by ...

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Modeling and Analysis of Conventional and Heat‐Integrated Distillation Columns

24-Jul-2015 | Thomas Bisgaard, Jakob Kjøbsted Huusom, Jens Abildskov, AIChE Journal, 2015

ABSTRACT A generic model that can cover diabatic and adiabatic distillation column configurations is presented, with the aim of providing a consistent basis for comparison of alternative distillation column technologies. Both a static and a dynamic formulation of the model, together with a ...

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New approach for producing fluorescent gold nanoparticles: Poly(ethylene oxide) homopolymers as reductants in the micelles of amphiphilic fluorosilicone‐containing block copolymers

24-Jul-2015 | Jiawen Zhang, Lingmin Yi, Kai Xu, Jing Li, Dongzhi Lai, Journal of Polymer Science Part A: Polymer Chemistry, 2015

The reduction of gold salts by poly(ethylene oxide) (PEO) homopolymer is very slow and more than 2 days is needed to produce gold nanoparticles (AuNPs). In this work, however, AuNPs are rapidly produced in the micelles of novel amphiphilic ...

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A Hybrid Silica Nanoreactor Framework for Encapsulation of Hollow Manganese Oxide Nanoparticles of Superior T1 Magnetic Resonance Relaxivity

24-Jul-2015 | Benedict You Wei Hsu, Michael Ng, Yu Zhang, Siew Yee Wong, Kishore Bhakoo, Xu Li, John Wang, Advanced Functional Materials, 2015

A new hybrid nanoreactor framework with poly(ethylene oxide)‐perforated silica walls is designed to encapsulate hollow manganese oxide nanoparticles (MONs) of high distinctness and homogeneity. Achieved by an interfacial templating scheme, the nanoreactor ensures that acidic etching of MONs by ...

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Magnetic and pH‐responsive starch‐g‐poly(acrylic acid‐coacrylamide)/graphene oxide superabsorbent nanocomposites: one‐pot synthesis, characterization and swelling behavior

24-Jul-2015 | Hossein Hosseinzadeh, Sonia Ramin, Starch - Stärke, 2015

Abstract A series of dual stimuli‐responsive starch‐based superabsorbent nanocomposites (SANCs) were prepared by a facile one‐pot strategy. The SNACs were synthesized via the simultaneous formation of magnetic iron oxide nanoparticles (MIONs) and in situ radical solution polymerization of ...

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ChemInform Abstract: High‐Yield Electrosynthesis of Hydrogen Peroxide from Oxygen Reduction by Hierarchically Porous Carbon.

24-Jul-2015 | Yanming Liu, Xie Quan, Xinfei Fan, Hua Wang, Shuo Chen, ChemInform, 2015

Abstract Hierarchically porous carbon (HPC) as a cost‐effective catalyst for the production of H2O2 via electroreduction of O2 in aqueous solution is prepared by solvothermal synthesis of a metal organic framework (MOF‐5) from Zn(NO3)2 and 1,4‐benzenedicarboxylic acid in DMF (autoclave, 100 ...

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ChemInform Abstract: Ruthenium‐Oxide‐Coated Sodium Vanadium Fluorophosphate Nanowires as High‐Power Cathode Materials for Sodium‐Ion Batteries.

24-Jul-2015 | Manhua Peng, Biao Li, Huijun Yan, Dongtang Zhang, Xiayan Wang, Dingguo Xia, Guangsheng Guo, ChemInform, 2015

Abstract RuO2‐coated Na3V2O2(PO4)2F nanowires are prepared by hydrothermal reaction of a microemulsion formed by combining an aqueous solution of oxalic acid, NaF, NH4H2PO4, and NH4VO3 with a mixture of cetyltrimethylammonium bromide, H2O, cyclohexanone, and n‐pentanol (autoclave, pH 2‐3 ...

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