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2,721 Newest Publications about the topic solution

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Epoxy polymer coating to prevent the corrosion of aluminum nanoparticles

28-Sep-2015 | Toshiyasu Nishimura, Vedarajan Raman, Polymers for Advanced Technologies, 2015

Aluminum nanoparticles were coated by epoxy polymer in order to prevent the corrosion reaction. The coverage of the epoxy polymer film was controlled from 0% to 100%, which changed the corrosion rate of nanoparticles quantitatively. The surface of the polymer coating was investigated by ...


Predicting the solution morphology of a sulfonated pentablock copolymer in binary solvent mixtures

26-Sep-2015 | Philip J. Griffin, Grace B. Salmon, Jamie Ford, Karen I. Winey, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT The solution morphologies of a midblock‐sulfonated pentablock copolymer in miscible polar/nonpolar solvent blends were characterized as a function of solvent composition and polymer concentration using small angle X‐ray scattering. Three distinct solution morphologies are observed ...


Analytical gradients for MP2, double hybrid functionals, and TD‐DFT with polarizable embedding described by fluctuating charges

24-Sep-2015 | Ivan Carnimeo, Chiara Cappelli, Vincenzo Barone, Journal of Computational Chemistry, 2015

A polarizable quantum mechanics (QM)/ molecular mechanics (MM) approach recently developed for Hartree–Fock (HF) and Kohn–Sham (KS) methods has been extended to energies and analytical gradients for MP2, double hybrid functionals, and TD‐DFT models, thus allowing the computation of equilibrium ...


Preparation of HMWCNT/PLLA nanocomposite scaffolds for application in nerve tissue engineering and evaluation of their physical, mechanical and cellular activity properties

22-Sep-2015 | Shokoufeh Mounesi Rad, Mohammad Taghi Khorasani, Morteza Daliri Joupari, Polymers for Advanced Technologies, 2015

This study was aimed to prepare biodegradable and porous nanocomposite scaffolds with microtubular orientation structure as a model for nerve tissue engineering by thermally induced phase separation (TIPS) method using dioxane as the solvent, crystalline poly (L-lactic acid) (PLLA) and ...


Basicity of trifluoromethylsulfonylformamidines. DFT and FTIR study and NBO analysis

22-Sep-2015 | Bagrat A. Shainyan, Nina N. Chipanina, Larisa P. Oznobikhina, Vladimir I. Meshcheryakov, Journal of Physical Organic Chemistry, 2015

Abstract The effect of the electron–acceptor substituent CF3SO2 at the imine nitrogen atom on the basicity and the electron distribution in N,N‐alkylformamidines () was studied experimentally by the FTIR spectroscopy and theoretically at the DFT (B3LYP/6‐311+G(d,p)) level of theory, including ...


Dynamic phase transition behavior and unusual hydration process in poly(ethylene oxide)‐b‐poly(N‐vinylcaprolactam) aqueous solution

22-Sep-2015 | Qiuwen Wang, Hui Tang, Peiyi Wu, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT Dynamic phase transition and self‐assembly mechanism of thermosensitive poly(ethylene oxide)‐b‐poly(N‐vinylcaprolactam) (PEO‐b‐PVCL) copolymer are explored deeply. A gradual dehydration process with predominated hydrophobic interactions among copolymer chains in the phase transition ...


Properties characterisation of polycarbonate and multi‐walled carbon nanotubes composites prepared by solution technique

21-Sep-2015 | Wachirawut Thaithae, Christian Antonio, Piyachat Wattanachai, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract Polycarbonate (PC) and multi‐walled carbon nanotubes (MWNTs) composites were prepared by solution method where 0–20% w/w MWNTs were added into two types of PC solutions, i.e. a low and a high molecular weight solution. The composites were processed into plastic sheets using a ...


Preparation of electrospun nanofibers from solutions of different gelatin types using a benign solvent mixture composed of water/PBS/ethanol

16-Sep-2015 | Marisa Erencia, Francisco Cano, Jose A. Tornero, Jorge Macanás, Fernando Carrillo, Polymers for Advanced Technologies, 2015

The feasibility of using phosphate buffer saline (PBS)/ethanol mixtures as a benign solvent to electrospin three types of gelatin was studied. Gelatins with different chemical properties, such as Bloom, were selected and the effect of the gelatin nature and its concentration on the ...


Effect of the surface chemical treatment on the properties of a sol–gel film on AA1050

16-Sep-2015 | F. Deflorian, M. Fedel, Surface and Interface Analysis, 2015

Silane sol–gel coatings have been widely studied as a potential strategy to protect aluminium and aluminium alloys components and were proved to be suitable both as a chemical conversion treatment alone and as a coupling agent between the underling substrate and an organic coating. Compared with ...


Crystallization‐dominated and microphase separation/crystallization‐coexisted structure of all‐conjugated phenylene–thiophene diblock copolymers

16-Sep-2015 | Xinhong Yu, Hua Yang, Shupeng Wu, Lei Wang, Yanhou Geng, Yanchun Han, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT The crystallization‐dominated and microphase separation/crystallization‐coexisted structure of the all‐conjugated diblock copolymers poly(2,5‐dihexyloxy‐p‐phenylene)‐block‐(3‐hexylthiophene) (PPP‐b‐P3HT, denoted as BmTn) with different block compositions was affected by the ...


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