Macromolecular Chemistry and Physics

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Recently Published Articles

  1. Efficient Synthesis of α,ω-Divinyl-Functionalized Polyolefins

    Vishal B. Patil, Kuburat O. Saliu, Roxanne M. Jenkins, Edmund M. Carnahan, Edward J. Kramer, Glenn H. Fredrickson and Guillermo C. Bazan

    Article first published online: 22 APR 2014 | DOI: 10.1002/macp.201400139

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    The olefin metathesis reaction of a polyolefin containing inserted 1,4-butadiene using an indenylidene-based ruthenium catalyst in the presence of ethylene gas yields the formation of an α,ω-divinyl poly­olefin with undetectable isomerization side reactions and complete elimination of internal unsaturation.

  2. Green-Light-Emitting Poly(Spirobifluorene)s with an Electron-Rich Unit in the Side Chain and an Electron-Deficient Unit in the Main Chain

    Junwei Yang, Lei Zhao, Xuchao Wang, Shumeng Wang, Junqiao Ding, Lixiang Wang, Xiabin Jing and Fosong Wang

    Article first published online: 22 APR 2014 | DOI: 10.1002/macp.201400046

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    Green-light-emitting poly(spirobifluorene)s are developed by incorporating an electron-deficient unit in the main chain and an electron-rich unit in the side chain. Unlike the polyfluorene analogue, which exhibits blue emission, in this case, efficient green emission is realized due to the charge transfer from the side chain to the main chain.

  3. Highly Monodisperse Sub-microspherical Poly(glycidyl methacrylate) Nanocomposites with Highly Stabilized Gold Nanoparticles

    Xingru Yan, Maolin Li, Jun Long, Xi Zhang, Huige Wei, Qingliang He, Dan Rutman, Dapeng Cao, Suying Wei, Guofang Chen and Zhanhu Guo

    Article first published online: 22 APR 2014 | DOI: 10.1002/macp.201400097

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    Au nanoparticles (NPs) are successfully coated on the surface of poly(glycidyl methacrylate) (PGMA)@poly(allylamine hydrochloride) (PAH) nanocomposite particles. The effects of the Au NPs on the morphology, crystalline phase, thermal stability, dielectric properties, and optical properties are reported.

  4. A NIPAM–Zwitterion Copolymer: Rheological Interpretation of the Specific Ion Effect on the LCST

    Francis O. Obiweluozor, Amin GhavamiNejad, Saud Hashmi, Mohammad Vatankhah-Varnoosfaderani and Florian J. Stadler

    Article first published online: 22 APR 2014 | DOI: 10.1002/macp.201300778

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    Aqueous solutions of N-isopropylacryl­amide (NIPAM)–zwitterion copolymers exhibit an anti-Hofmeister series behavior. The viscosity and the lower critical solution temperature (LCST) decrease as the cation charge and the concentration increase. The higher the atomic mass of the anions used and the higher their concentration, the higher the decrease of the viscosity and LCST. This behavior is qualitatively identical to polyzwitterions.

  5. Environment-Specific Fluorescence Response of Microporous, Conformation-Variable Conjugated Polymer Film to Water in Organic Solvents: On-line Real-Time Monitoring in Fluidic Channels

    Dong-Cheul Han, Young-Jae Jin, Joong-Heon Lee, Shin-Il Kim, Hyo-Jin Kim, Kyu-Ho Song and Giseop Kwak

    Article first published online: 22 APR 2014 | DOI: 10.1002/macp.201400088

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    A microporous, conjugated polymer film with an intramolecular stack structure shows a highly environment-specific fluor­escence response to water in organic solvents. The fluorescence response is very fast, which makes it possible for on-line real-time monitoring of the water content in organic solvents.

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