Results 21 to 30 of about 72,832 (304)
A new and efficient catalyst of Na-Montmorillonite (Na+-MMT) was employed in this paper for α-methylstyrene (AMS) cationic polymerization. Maghnite clay, obtained from Tlemcen Algeria, was investigated to remove heavy metal ion from wastewater. “Maghnite-
Moulkheir Ayat +2 more
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Observation of eliminative cationic polymerization within van der Waals clusters [PDF]
We report the first observation of eliminative cationic polymerization within van der Waals (vdW) clusters following electron impact ionization at pressures of 10−8 Torr.
El-Shall, M. Samy, Schriver, K. E.
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The Cationic Ring-Opening Polymerization of Tetrahydrofuran with 12-Tungstophosphoric Acid
The cationic ring-opening polymerization reaction of tetrahydrofuran at 20 ºC was catalyzed by H3PW12O40·13H2O as solid acid catalyst. The effect of the proportions of acetic anhydride and catalyst, reaction time and support on the polymerization ...
Hassan Al-Shahri +2 more
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Anionic Polymerization Using Flow Microreactors
Flow microreactors are expected to make a revolutionary change in chemical synthesis involving various fields of polymer synthesis. In fact, extensive flow microreactor studies have opened up new possibilities in polymer chemistry including cationic ...
Yusuke Takahashi, Aiichiro Nagaki
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Injectable polypeptide hydrogels via methionine modification for neural stem cell delivery. [PDF]
Injectable hydrogels with tunable physiochemical and biological properties are potential tools for improving neural stem/progenitor cell (NSPC) transplantation to treat central nervous system (CNS) injury and disease.
Czechanski, A +6 more
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For about the last ten years, poly(2-oxazoline)s have attracted significant attention as potential material for biomedical applications in, e.g., drug delivery systems, tissue engineering and more.
Solomiia Borova, Robert Luxenhofer
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Novel Carbazole Skeleton-Based Photoinitiators for LED Polymerization and LED Projector 3D Printing
Radical chemistry is a very convenient way to produce polymer materials. Here, an application of a particular photoinduced radical chemistry is illustrated. Seven new carbazole derivatives Cd1–Cd7 are incorporated and proposed as high performance near-UV
Assi Al Mousawi +10 more
doaj +1 more source
3D printing of optical materials: an investigation of the microscopic properties [PDF]
3D printing technologies are currently enabling the fabrication of objects with complex architectures and tailored properties. In such framework, the production of 3D optical structures, which are typically based on optical transparent matrices ...
Arinstein, A. +6 more
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Combinatorial biomaterials discovery strategy to identify new macromolecular cryoprotectants [PDF]
Cryoprotective agents (CPAs) are typically solvents or small molecules, but there is a need for innovative CPAs to reduce toxicity and increase cell yield, for the banking and transport of cells.
Gibson, Matthew I. +4 more
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This work involves the synthesis of hybrid oligomers based on the epoxy methacrylate resin. The EA resin was obtained by the modification of industrial-grade bisphenol A-based epoxy resin and methacrylic acid has been synthesized in order to develop ...
Paulina Bednarczyk +3 more
doaj +1 more source

