Macromolecular Rapid Communications

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Hydrogen‐Bonded Polymer–Small Molecule Complexes with Tunable Mechanical Properties
Macromolecular Rapid Communications - Tập 39 Số 9 - 2018
Tianqi Liu, Xin Peng, Yanan Chen, Qingwen Bai, Cong Shang, Lin Zhang, Huiliang Wang
AbstractA novel type of polymeric material with tunable mechanical properties is fabricated from polymers and small molecules that can form hydrogen‐bonded intermolecular complexes (IMCs). In this work, poly(vinyl alcohol) (PVA)–glycerol hydrogels are first prepared, and then they are dried to form IMCs. The tensile strengths and moduli of IMCs decrease dramaticall...... hiện toàn bộ
Epoxy/Silica Nanocomposites: Nanoparticle‐Induced Cure Kinetics and Microstructure
Macromolecular Rapid Communications - Tập 28 Số 1 - Trang 121-126 - 2007
Patrick Rosso, Lin Ye
AbstractThis study reveals the influence of silica nanoparticles on the cure reactions of a diglycidyl ether of bisphenol A epoxy resin. As soon as the silica nanoparticles are added to the neat resin (1, 3, and 5 vol.‐%), the total degree of conversion increases with an increasing amount of nanoparticles, and the cure reaction shows a more complex autocatalytic be...... hiện toàn bộ
Controlled/Living Radical Polymerization of Methacrylic Monomers in the Presence of Lewis Acids: Influence on Tacticity
Macromolecular Rapid Communications - Tập 25 Số 3 - Trang 486-492 - 2004
Jean‐François Lutz, Wojciech Jakubowski, Krzysztof Matyjaszewski
AbstractSummary: Atom transfer radical polymerization (ATRP) and reversible addition‐fragmentation transfer (RAFT) polymerization of N‐methyl methacrylamide and methyl methacrylate were investigated in the presence of rare‐earth triflates known to enhance polymer isotacticity. Poly(N‐methy...... hiện toàn bộ
Synthesis of Polymer Brushes Using Atom Transfer Radical Polymerization
Macromolecular Rapid Communications - Tập 24 Số 18 - Trang 1043-1059 - 2003
Jeffrey Pyun, Tomasz Kowalewski, Krzysztof Matyjaszewski
AbstractAtom transfer radical polymerization (ATRP) is a robust method for the preparation of well‐defined (co)polymers. This process has also enabled the preparation of a wide range of polymer brushes where (co)polymers are covalently attached to either curved or flat surfaces. In this review, the general methodology for the synthesis of polymer brushes from flat ...... hiện toàn bộ
Unraveling the Correlation between Structures of Carbon Nanospheres Derived from Polymeric Spheres and Their Electrochemical Performance to Achieve High‐Rate Supercapacitors
Macromolecular Rapid Communications - Tập 40 Số 17 - 2019
Fei Xu, Yuqian Qiu, Guangshen Jiang, Baichuan Ding, Jingyuan Li, Qianhui Liu, Jian Wu, Xiaosa Xu, Hongqiang Wang, Yeru Liang
AbstractUnderstanding correlation between the nanostructure of porous carbons and their ion transport behavior is critical for achieving high‐performance supercapacitors. Herein, the relationship between size and shell thickness of carbon nanospheres (CNSs) and capacitive electrochemical performance is clarified. Structural uniform CNSs with controlled diameters, p...... hiện toàn bộ
Binding and Sulfonation of Poly(acrylic acid) on Iron Oxide Nanoparticles: a Novel, Magnetic, Strong Acid Cation Nano‐Adsorbent
Macromolecular Rapid Communications - Tập 26 Số 19 - Trang 1567-1571 - 2005
Sou‐Yee Mak, Dong‐Hwang Chen
AbstractSummary: A novel, magnetic, strong acid cation nano‐adsorbent has been developed by the covalent binding of poly(acrylic acid) on the surface of Fe3O4 nanoparticles followed by sulfonation using sulfanilic acid via carbodiimide activation. The nano‐absorbent can be easily recovered or manipula...... hiện toàn bộ
Zinc Ion Uniquely Induced Triple Shape Memory Effect of Dipole–Dipole Reinforced Ultra‐High Strength Hydrogels
Macromolecular Rapid Communications - Tập 33 Số 3 - Trang 225-231 - 2012
Yanjiao Han, Tao Bai, Yuan Liu, Xinyun Zhai, Wenguang Liu
AbstractIn this study, we demonstrate that dipole–dipole interaction can be employed to not only tremendously enhance the mechanical properties of hydrogel, but also impart the gel to an amazing ability to memorize two temporary shapes. Cross‐linked hydrogels synthesized by copolymerization of acrylonitrile, a dipole–dipole containing monomer and hydrophilic comono...... hiện toàn bộ
High‐Output Polymer Screening: Exploiting Combinatorial Chemistry and Data Mining Tools in Catalyst and Polymer Development
Macromolecular Rapid Communications - Tập 24 Số 1 - Trang 47-62 - 2003
Arno Tuchbreiter, Jürgen Marquardt, Bernd Kappler, Josef Honerkamp, Marc O. Kristen, Rolf Mülhaupt
AbstractHigh‐output polymer screening (HOPS) combines automated polymerization with online reaction monitoring, rapid polymer characterization and novel fingerprint technology useful in polymer preparation as well as polymer processing and polymer additive development. Originally, HOPS was introduced to develop polymerization catalysts and polyolefin materials more...... hiện toàn bộ
Poly(2,7‐carbazole) Derivatives as Semiconductors for Organic Thin‐Film Transistors
Macromolecular Rapid Communications - Tập 28 Số 17 - Trang 1798-1803 - 2007
Salem Wakim, Nicolas Blouin, Émilie Gingras, Ye Tao, Mario Leclerc
AbstractNew poly(2,7‐carbazole) derivatives have been synthesized using Yamamoto or Stille coupling reaction. These polymers are highly soluble in common organic solvents and have relatively high molecular weights. Solution‐processed organic field‐effect transistors using these new polymeric semiconductors were found to exhibit a hole mobility up to 2.0 × 10... hiện toàn bộ
Polycarbazoles: 25 Years of Progress
Macromolecular Rapid Communications - Tập 26 Số 10 - Trang 761-778 - 2005
Jean‐François Morin, Mario Leclerc, D. Adès, Alain Siove
AbstractSummary: Carbazole‐based oligomeric and polymeric materials have been studied for almost 25 years for their unique electrical, electrochemical and optical properties. Interestingly, carbazole units can be linked in two different ways leading to either poly(3,6‐carbazole) or poly(2,7‐carbaz...... hiện toàn bộ
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