Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 52 Issue 19

Online ISSN: 1099-0488

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

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Publishes papers on the physics of polymers, including applications, theory and modeling and experiments. 2012 ISI Impact Factor: 2.221

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  1. Effect of PS-b-PCL block copolymer on reaction-induced phase separation in epoxy/PEI blend

    Zonglian Xia, Weizhen Li, Jindian Ding, Ao Li and Wenjun Gan

    Article first published online: 25 AUG 2014 | DOI: 10.1002/polb.23575

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    A secondary phase separation and typical phase inverted morphology was obtained in epoxy/PEI blends after adding PS-b-PCL. The preferential location of the PS-b-PCL in the epoxy-rich phase enhanced the viscoelastic effect of epoxy/PEI system and lead to a dynamic asymmetric system between PEI and epoxy. When the diffusion of the epoxy molecule is no longer able to follow the size growth of the epoxy-rich domain, secondary phase separation takes place.

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    Giant surfactants based on molecular nanoparticles: Precise synthesis and solution self-assembly

    Xinfei Yu, Yiwen Li, Xue-Hui Dong, Kan Yue, Zhiwei Lin, Xueyan Feng, Mingjun Huang, Wen-Bin Zhang and Stephen Z. D. Cheng

    Article first published online: 25 AUG 2014 | DOI: 10.1002/polb.23571

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    Giant surfactants have emerged as a new class of self-assembling materials that capture the structural features of both small-molecule surfactants and amphiphilic block copolymers. Comprised of polymer-tethered molecular nanoparticles, they display unique self-assembled nanostructures in solution. This review summarizes recent progress on the study of giant surfactants, focusing on the design and synthesis of prototype giant surfactants, as well as their rich self-assembled morphologies in solution states.

  3. Probing microphase separation and proton transport cooperativity in polymer-tethered 1H-tetrazoles

    Brian L. Chaloux, Holly L. Ricks-Laskoski, Joel B. Miller, Kaitlin M. Saunders and Michael A. Hickner

    Article first published online: 25 AUG 2014 | DOI: 10.1002/polb.23573

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    To elucidate the origins of proton conductivity and microphase separation in a styrenic 1H-tetrazole polymer (PS-Tet), its physical and conductive properties are compared with a carboxylic acid analog (PS-HA). Although exhibiting similar aqueous properties, 1H-tetrazole and carboyxlic acid give rise to fundamentally different physics and conductivity in polymers containing them. Despite similar polymer water uptake, these differences extend to both anhydrous and hydrated conditions.

  4. Thermo-responsive gels in the presence of monovalent salt at physiological concentrations: A Monte Carlo simulation study

    Manuel Quesada-Pérez, Silvia Ahualli and Alberto Martín-Molina

    Article first published online: 22 AUG 2014 | DOI: 10.1002/polb.23576

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    Coarse-grained simulations of thermo-responsive gels allow for the consideration of particle-particle interactions neglected by many Flory–Rehner inspired swelling theories, such as volume excluded forces, whose effect could be significant in collapsed states and/or in the presence of salt at physiological conditions. This information can be very useful to understand how the additional electrolyte contributes to the shrinking, but it also can be interesting for biotechnological applications.

  5. Fluorescent PMMA/MEH-PPV electrospun nanofibers: Investigation of morphology, solvent, and surfactant effect

    Aline P. Roque, Luiza A. Mercante, Vanessa P. Scagion, Juliano E. Oliveira, Luiz H. C. Mattoso, Leonardo De Boni, Cleber R. Mendonca and Daniel S. Correa

    Article first published online: 22 AUG 2014 | DOI: 10.1002/polb.23574

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    Poly[2-methoxy-5-(2-ethylhexyloxy)−1,4-phenylenevinylene] (MEH-PPV) has appealing properties for technological applications due to its intense electroluminescence in the UV–vis region. By using it as a dopant in nanofibers, even at very low concentrations, they can provide fluorescence properties, which is highly desirable for optical devices. In this work, the influence of morphology, solvents, and the addition of CTAB surfactant on the properties of PMMA/MEH-PPV electrospun nanofibers is investigated.