Macromolecular Chemistry and Physics

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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

Recently Published Articles

  1. Behavior of In Situ Cross-Linked Hydrogels with Rapid Gelation Kinetics on Contact with Physiological Fluids

    Ramadan Diryak, Vassilis Kontogiorgos, Muhammad U. Ghori, Paul Bills, Ahmed Tawfik, Gordon A. Morris and Alan M. Smith

    Version of Record online: 23 FEB 2018 | DOI: 10.1002/macp.201700584

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    The behavior of in situ cross-linked hydrogels with extremely rapid gelation kinetics on contact with physiological fluids is demonstrated. The power of this method is demonstrated by measuring in real time, the rapid gelation kinetics, and gel strength of gellan gum exposed to gastric, lacrimal, saliva, and wound fluid, highlighting potential use in the intelligent design of in situ gelling delivery systems.

  2. High Energy Density and Discharging Efficiency Achieved in Chlorinated Polyethylene Films for High Energy-Storage Applications

    Yifei Zhao, Qian Li, Xiao Zhang, Huayi Li, Junyong Lu and Zhicheng Zhang

    Version of Record online: 19 FEB 2018 | DOI: 10.1002/macp.201700621

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    The high Cl content and random dispersion of C[BOND]Cl bonds favor the medium polarity and well-maintained permittivity along with the low dielectric loss of the chlorinated polyethylene (CPE). This makes CPE a promising candidate with high breakdown strength, energy density, and discharging efficiency under high electric field for high-energy-storage application.

  3. Large Area, Highly Transparent, and Mechanically Stable Adhesive Films with Tunable Refractive Indices

    Dan Wang, Jianfu Zhang, Yuanyuan He, Wenfei Li, Shitao Li, Xiuhua Fu, Ming Tian, Yang Zhou and Zhanhai Yao

    Version of Record online: 14 FEB 2018 | DOI: 10.1002/macp.201700608

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    Transparent adhesive films with linearly tunable refractive index values from 1.5410 to 1.5792 are fabricated by a simple mixing approach involving aqueous solutions composed of poly(acrylic acid) and poly(4-styrenesulfonic acid) used in conjunction with a layer-by-layer deposition process. The adhesive films present both excellent transmittance and remarkable adhesive strength for the index-matched bonding of optical components.

  4. Scaling Laws for Polymer Chains Grafted onto Nanoparticles

    Guang Yang, Kyoungmin Kim, Wentao Wang, Banghao Chen, Hedi Mattoussi and Daniel T. Hallinan Jr.

    Version of Record online: 9 FEB 2018 | DOI: 10.1002/macp.201700417

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    Gold nanoparticles grafted with poly(ethylene oxide) are deposited as monolayers from dispersions of varying solvent quality. The nanoparticle spacing, d, corresponds to two radii of gyration, Rg, of the chains in the presence of solvent. The scaling of this value with degree of polymerization, N, is reported and compared to theory.

  5. Flower-Like Multicompartment Micelles with Janus-Core Self-Assembled from Fluorocarbon-Terminated Pluronics

    Hengchang Liu and Yujun Feng

    Version of Record online: 7 FEB 2018 | DOI: 10.1002/macp.201700558

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    Multicompartment micelles (MCMs) with Janus-core can be obtained by self-assembly from fluorocarbon-terminated Pluronics. The fluorocarbon-terminated Pluronics will loop to form flower-like MCMs due to lipophilic block, and fluorophilic segments are separated by hydrophilic blocks. The calculated results from thermodynamics and dynamics support the loop formation. A “pre-self-assembly” mechanism is proposed to explain the formation process of such flower-like MCMs with Janus-core.