Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 55 Issue 24

Online ISSN: 1099-0488

Associated Title(s): Journal of Polymer Science Part A: Polymer Chemistry

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J. Polym. Sci. B Polym. Phys. publishes papers on the physics of polymers, including applications, theory and modeling, and experiments. 2017 ISI Impact Factor: 2.838.

Recently Published Articles

  1. Extension rate of the straight jet in electrospinning of poly(N-isopropyl acrylamide) solutions in dimethylformamide: Influences of flow rate and applied voltage

    Yu Wang, Takeji Hashimoto, Chang-Chou Li, Yang-Cheng Li and Chi Wang

    Version of Record online: 17 NOV 2017 | DOI: 10.1002/polb.24544

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    A laser light-scattering technique is used to determine the diameter profile of the tapering straight jet, from which the jet extension rate is derived. Extension rate is the highest near the cone apex (region I) and decays to be constant in the major jet (region II) until approaching the jet end (region III), at which the extension rate abruptly drops to nearly zero. The physical factors causing the crossover among the three regions are discussed.

  2. A roadmap for poly(ethylene oxide)-block-poly-ε-caprolactone self-assembly in water: Prediction, synthesis, and characterization

    Alessandro Ianiro, Joseph Patterson, Álvaro González García, Mark M. J. van Rijt, Marco M. R. M Hendrix, Nico A. J. M. Sommerdijk, Ilja K. Voets, A. Catarina C. Esteves and Remco Tuinier

    Version of Record online: 14 NOV 2017 | DOI: 10.1002/polb.24545

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    It is shown that the Scheutjens-Fleer self-consistent field method can be used to generate equilibrium morphology phase diagrams and size prediction diagrams, which describe the solution self-assembly of amphiphilic block copolymers. In this work, such diagrams are computed for biocompatible block copolymers poly(ethylene oxide)-block-poly-ε-caprolactone (PEO-PCL) in water. This roadmap enables the design of PEO-PCL copolymers assembling in structures with predetermined morphologies and sizes in water, which is a key aspect in the preparation of drug delivery systems with controlled release properties.

  3. Fast and excellent healing of hydroxypropyl guar gum/poly(N,N-dimethyl acrylamide) hydrogels

    Jingjing Zhu, Peipei Guo, Duhong Chen, Kun Xu, Pixin Wang and Shuang Guan

    Version of Record online: 11 NOV 2017 | DOI: 10.1002/polb.24514

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    A fast and high efficient healing hydroxypropyl guar gum (HPG)/poly(N,N-dimethyl acrylamide) (PDMA) hydrogel is prepared by a facile synthesis method. Healing behavior at different healing time, HPG content, and DMA content are studied systematically. The fracture stress of the HPG/PDMA gels present a fast and almost full recovery within 1 min, while the recovery of fracture strain and elastic modulus are related to time.

  4. Temperature response of aqueous solutions of pyrene end-labeled poly(N-isopropylacrylamide)s probed by steady-state and time-resolved fluorescence

    Michael Fowler, Jean Duhamel, Xing Ping Qiu, Evgeniya Korchagina and Françoise M. Winnik

    Version of Record online: 10 NOV 2017 | DOI: 10.1002/polb.24543

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    “The fluorescence of a series of pyrene-labeled telechelic and semi-telechelic poly(N-isopropylacrylamide) constructs (Pyn-PNIPAM with n = 1 or 2) with a narrow molecular weight distribution was employed to probe the behavior of the Pyn-PNIPAM samples with temperature as they underwent a coil-to-globule transition (CGT) in water. The fluorescence of pyrene was found to report faithfully on the Pyn-PNIPAM constructs as they underwent their CGT in water.”

  5. Tailoring the mechanical properties of nanoparticle networks that encompass biomimetic catch bonds

    Tao Zhang, Badel L. Mbanga, Victor V. Yashin and Anna C. Balazs

    Version of Record online: 6 NOV 2017 | DOI: 10.1002/polb.24542

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    This work presents a model of the tensile behavior of polymer-grafted nanoparticle (PGN) networks interconnected by a mixture of biomimetic “catch” bonds—whose lifetime can increase with strain—and conventional “slip” bonds, which become weaker under mechanical load. The parameter space that determines the rupture behavior of the catch bonds is analyzed using a kinetic master equation. 3D computer simulations show that PGN networks encompassing the catch bonds could exhibit a several-fold increase in the strain-at-break and toughness.