Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 53 Issue 12

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. 2013 ISI Impact Factor: 3.803.

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  1. Facile non-lithographic route to highly aligned silica nanopatterns using unidirectionally aligned polystyrene-block-polydimethylsiloxane films

    Zhe Qiang, Maurice L. Wadley, Bryan D. Vogt and Kevin A. Cavicchi

    Article first published online: 30 APR 2015 | DOI: 10.1002/polb.23740

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    In this work, shear from deswelling of a PDMS pad during solvent vapor annealing and shear is applied to obtain macroscopically aligns cylindrical domains of monolayer and bilayer poly(styrene-block-dimethysiloxane) (PS-b-PDMS) films. Subsequent UV-ozone and calcination treatment produces topographically patterned silica lines with a center-to-center distance of 38 nm and 19 nm for the monolayer and bilayer, respectively. The center-to-center distance is decreased for the bilayer due to the deposition of silica lines from both the lower and upper layers onto the substrate. Rhombic silica nanoarrays are fabricated by sequential alignment and calcination of two distinct PS-b-PDMS monolayers.

  2. Effect of additive length and chemistry on the morphology of blends of conjugated thiophenes and fullerene derivative acceptor molecules

    Hilary S. Marsh and Arthi Jayaraman

    Article first published online: 29 APR 2015 | DOI: 10.1002/polb.23739

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    Minority component additives, such as diiodooctane and alkanedithiols, are used to alter conjugated polymer (electron donor) and fullerene derivative (electron acceptor) blend morphology in the active layer of bulk heterojunction solar cells and increase photovoltaic device efficiency. In this work molecular simulations are used to connect the physical and chemical features of additives to their effect on the blend morphology, specifically the extent of acceptor phase separation and intercalation between donor side chains.

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    The role of polymers in random lasing

    Lech Sznitko, Jaroslaw Mysliwiec and Andrzej Miniewicz

    Article first published online: 28 APR 2015 | DOI: 10.1002/polb.23731

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    Random lasers can find numerous applications from medicine and disease recognition through information encoding to search and rescue. These devices use disorder to introduce feedback, so polymers, with their randomness resulting from their molecular structure as well as fabrication methods, are ideal materials for random lasers. In this article, the recent development of different types of polymeric random lasers is described.

  4. Stress memory polymers

    Jinlian Hu, Bipin Kumar and Harishkumar Narayana

    Article first published online: 21 APR 2015 | DOI: 10.1002/polb.23726

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    Even though smart polymeric materials have been researched in many arenas in the past few decades, there are still opportunities to address their interesting behaviors. A stress–memory phenomenon of stimuli responsive polymers is reported in this article and a switch-spring-frame model is proposed to describe such behavior. The discovery reveals promising potential of such materials in many areas such as medical devices.

  5. Nanocomposite hydrogel consisting of Na-montmorillonite with enhanced mechanical properties

    Ting Li, Shuangfei Xiang, Piming Ma, Huiyu Bai, Weifu Dong and Mingqing Chen

    Article first published online: 21 APR 2015 | DOI: 10.1002/polb.23732

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    The participation of Na-montmorillonite (MMT) in hydrogels leads to the formation of a stretchable microcomplex structure by the ionic bands between network matrix and MMT platelets. The hydrogel showed extraordinary mechanical properties, with an increase in both the tensile modulus and ultimate stress with increasing MMT content.