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Preparation and characterization of polysiloxane networks containing metallic platinum particles

20-Nov-2015 | Edyta Stochmal, Joanna Strzezik, Agnieszka Krowiak, Journal of Applied Polymer Science, 2015

ABSTRACT Polysiloxane networks obtained via cross‐linking of D4/V4 polysiloxane served as matrices for incorporation of metallic Pt particles. D4/V4 polymer used in the crosslinking was synthesized by equilibrium cationic ring‐opening polymerization of the corresponding cyclotetrasiloxane ...


Removal of Cr(VI) from aqueous solution using amino‐modified Fe3O4–SiO2–chitosan magnetic microspheres with high acid resistance and adsorption capacity

20-Nov-2015 | Xitong Sun, Liangrong Yang, Tingting Dong, Zhini Liu, Huizhou Liu, Journal of Applied Polymer Science, 2015

ABSTRACT A novel, bioadsorbent material of polyethylenimine‐modified magnetic chitosan microspheres enwrapping magnetic silica nanoparticles (Fe3O4–SiO2–CTS‐PEI) was prepared under relatively mild conditions. The characterization results indicated that the adsorbent exhibited high acid ...


SERS of the anti‐inflammatory drug piroxicam adsorbed on the surface of silver or gold colloids as nanocarrier model

20-Nov-2015 | M. Hernandez, E. Corda, J. V. Garcia‐Ramos, C. Domingo, P. Sevilla, Journal of Raman Spectroscopy, 2015

Piroxicam is a non‐steroidal anti‐inflammatory drug actually used with limitations because of serious side effects. It is poorly soluble in pure water and exhibit a minimum of four conformers according to the pH conditions of the solution, but not all of them are medically active. In this study, ...


Insight into Al existing form and its role on microstructure and properties of Cr1−xAlxN films

20-Nov-2015 | Yingying Fu, Hongxuan Li, Li Ji, Xiaohong Liu, Liu Liu, Huidi Zhou, Jianmin Chen, Surface and Interface Analysis, 2015

A series of Cr1−xAlxN (where x denotes the atom fraction of Al in Cr1−xAlxN film) films with different Al contents have been deposited by unbalanced reactive magnetron sputtering technique. The chemical composition, microstructure, surface morphology, cross‐sectional structure, mechanical ...


Resonance Raman spectroscopy studies on photoinduced AgTCNQF4 charge transfer and its electrical switching behavior

20-Nov-2015 | Jing Wang, Weiqing Xu, Shuping Xu, Journal of Raman Spectroscopy, 2015

The photoinduced charge transfer (CT) phenomenon of a metal–organic complex, Ag ion‐coordinated tetrafluorotetracyano‐p‐quinodimethane (AgTCNQF4), produced by a solution reaction of immersing an Ag deposited film into TCNQF4 acetonitrile solution, was studied by the resonance Raman spectroscopy. ...


The shape of protein–polymer conjugates in dilute solution

19-Nov-2015 | Christopher N. Lam, Dongsook Chang, Muzhou Wang, Wei‐Ren Chen, Bradley D. Olsen, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Protein–polymer conjugation can significantly affect many different aspects of protein behavior, ranging from their solution properties to their ability to form solution and bulk nanostructured materials. An underlying fundamental question is how the molecular design affects the shape ...


Color change of an iodinated poly(vinyl alcohol) film by physical deformation

18-Nov-2015 | Hyun Ouk Ha, Dae Su Kim, Journal of Applied Polymer Science, 2015

ABSTRACT The color change of an iodinated poly(vinyl alcohol) (PVA) film caused by physical deformation was investigated in this study. The color of a PVA film soaked in an aqueous potassium iodide (KI)/I2 solution was light yellow, but it turned light blue when the film was physically ...


Corrosion inhibition of pure aluminium and AA2014‐T6 alloy by strontium chromate at low concentration

18-Nov-2015 | Yanwen Liu, Zuwei Feng, Xiaorong Zhou, George E. Thompson, Peter Skeldon, Stuart B. Lyon, Simon R. Gibbon, Derek Graham, Surface and Interface Analysis, 2015

The influence of a low concentration of strontium chromate on the corrosion inhibition of superpure aluminium and AA2014‐T6 aluminium alloy in 0.6 m chloride solution has been investigated to simulate the leaching process of inhibitors from coatings. The potential‐time and polarisation behaviour ...


Specific heavy metal ion recovery with ion‐imprinted cryogels

17-Nov-2015 | Mitra Jalilzadeh, Lokman Uzun, Serap Şenel, Adil Denizli, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, the functional monomers, N‐methacryloyl‐l‐aspartic acid and N‐methacryloyl‐l‐cysteine were synthesized through a reaction between appropriate amino acids and methacryloyl chloride. Then, Pb(II) or Cd(II) ion‐imprinted 2‐hydroxyethyl methacrylate based cryogels were ...


Influence of hydrogen bonding interactions on the properties of ultraviolet‐curable coatings

17-Nov-2015 | Lu Shen, Jian Zheng, Ying Wang, Mangeng Lu, Kun Wu, Journal of Applied Polymer Science, 2015

ABSTRACT Phenolic novolac type epoxy resin has been modified with acrylic acid (AA) and 2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid (AMPS) to form ultraviolet‐curable coatings, and integrated performances of the coatings were evaluated. It was found that the hydrogen bonding interactions ...


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