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1,918 Newest Publications in macromolecular chemistry and physics

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Mesoporous Poly(divinylbenzene) Fibers Based On Crosslinked Nanoparticles

17-Jan-2018 | Julia Migenda, Sebastian Werner, Rüdiger Ellinghaus, Bernd M. Smarsly, Macromolecular Chemistry and Physics, 2018

Abstract Poly(divinylbenzene) (PDVB) nanofibers are synthesized by electrospinning dispersions of PDVB nanoparticles (diameter 40–90 nm) derived by miniemulsion polymerization. Interparticle crosslinking is achieved by addition of a radical starter after electrospinning endowing the fibers ...

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Copolymerization of Epoxides and CO2 by Cobalt(II) Oxaporphyrins with Mechanistic Explorations on Poly(Propylene Carbonate) Formation

16-Jan-2018 | Wei Xia, Xing‐Yu Sun, Macromolecular Chemistry and Physics, 2018

Abstract Two cobalt(II) oxaporphyrins (OTPPCoCl and OTPPCoSbF6) are synthesized in this work and are characterized, including by X‐ray crystallography. Both complexes are tested as catalysts in the copolymerization of propylene oxide (PO)/cyclohexene oxide (CHO) and CO2. Polycarbonate is ...

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Structure–Property Relationships of Random Aromatic Copolyamide Membranes by the Partial N‐Methylation of Amide Linkages

15-Jan-2018 | Motohiro Aiba, Kenji Ito, Takahiro Tokuyama, Hiroki Tomioka, Tomoya Higashihara, Mitsuru Ueda, Hidetoshi Matsumoto, Macromolecular Chemistry and Physics, 2018

Abstract The internal and surface structures and transport properties of partially N‐methylated aromatic random copolyamides are reported. The results from positron annihilation lifetime spectroscopy demonstrate that the N‐methylation of the amide linkages in the polymer backbone increases the ...

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Incorporation of Magnetic Nanoparticles in Poly(Methyl Methacrylate) Nanocapsules

15-Jan-2018 | Ludmila I. Ronco, Paulo E. Feuser, Alexandre da Cas Viegas, Roque J. Minari, Luis M. Gugliotta, Claudia Sayer, Pedro ..., Macromolecular Chemistry and Physics, 2018

Abstract Magnetic nanoparticles (MNPs) encapsulated in polymeric systems are promising materials for hyperthermia treatments and targeting drug delivery in cancer therapy. To improve the encapsulation efficiency of therapeutic drugs, high amounts of fatty acids can be incorporated into the ...

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B2O3/SiO2/Phenolic Resin Hybrid Materials Produced by Simultaneous Twin Polymerization of Spiromonomers

15-Jan-2018 | Julia Weißhuhn, Andreas Seifert, Volodymyr Dzhagan, Saravanan Palaniyappan, Dietrich R. T. Zahn, Guntram Wagner, Ste ..., Macromolecular Chemistry and Physics, 2018

Abstract A synthetic procedure for boron oxide/silica/carbon polymer hybrid materials is presented, which does not need water as a reagent. For this purpose, the combined polymerization of the two twin monomers 2,2′‐spirobi[4H‐1,3,2‐benzodioxasiline] 1 and spiroboronate tetra‐n‐butylammonium ...

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Comparative Study of Distribution of Active Sites According to Their Stereospecificity in Propylene Polymerization over the Traditional TiCl3 and Supported Titanium–Magnesium Catalysts with Different Composition

15-Jan-2018 | Marina Nikolaeva, Mikhail Matsko, Vladimir Zakharov, Macromolecular Chemistry and Physics, 2018

Abstract The preparative‐temperature rising elution fractionation method is used to obtain comparative data on contents of fractions with different microtacticities for polypropylene (PP) samples prepared using three catalytic systems: the traditional Ziegler–Natta (Z–N) catalyst δ‐TiCl3 and ...

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Synthesis of Polypyrrole Inverse Opals through an Air–Water Interface Polymerization Method and Their Application in Dye‐Sensitized Solar Cells

15-Jan-2018 | Liduo Deng, Likui Wang, Yunxing Li, Gang Shi, Yun Liu, Bolong Yao, Macromolecular Chemistry and Physics, 2018

Abstract An air–water interface polymerization method is developed to fabricate polypyrrole inverse opals without overlayers. Colloidal crystals are transferred to the surface of a pyrrole solution, and addition of oxidizer leads to the polymerization of pyrrole on the surface of the colloidal ...

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Synthesis, Properties, and Solar Cell Performance of Poly(4‐(p‐alkoxystyryl)thiazole)s

15-Jan-2018 | Jakob Jäger, Sandra Schraff, Frank Pammer, Macromolecular Chemistry and Physics, 2018

Abstract A series of polythiazoles (PvTzs) featuring conjugated styryl sidechains equipped with different solubilizing p‐alkoxy‐groups (OR, R = n‐octyl, n‐dodecyl, 2‐ethylhexyl, 2‐hexyldecyl) is prepared by Negishi‐coupling polycondensation. Soluble material with number‐average molecular ...

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Borate‐Mediated Stereo‐ and Topo‐Selective Methylation of 1,4‐β‐Glucomannan

15-Jan-2018 | Qimeng Zhang, Petra Mischnick, Macromolecular Chemistry and Physics, 2018

Abstract Konjak glucomannan (KGM) is methylated with NaOH/MeI in water in the presence of borate and as a reference without this additive. With increasing equiv. of borate increasing suppression of 2‐ and 3‐O‐methylation of mannosyl residues (M) is observed, while glucosyl units (G) are mainly ...

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Ion Conduction and Viscoelastic Response of Epoxy‐Based Solid Polymer Electrolytes Containing Solvating Plastic Crystal Plasticizer

15-Jan-2018 | Hye Kyeong Jang, Byung Mun Jung, U Hyeok Choi, Sang Bok Lee, Macromolecular Chemistry and Physics, 2018

Abstract To develop a safe electrolyte for lithium‐ion batteries, solid polymer electrolytes (SPEs) are prepared using a commercially available cross‐linkable diglycidyl ether of bisphenol‐A (DGEBA) epoxy resin, a methyl tetrahydrophthalic anhydride (MeTHPA) curing agent, and a plastic ...

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