Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 53 Issue 9

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. Shape-memory effect in hyperbranched poly(ethyleneimine)-modified epoxy thermosets

    David Santiago, Xavier Fernández-Francos, Francesc Ferrando and Silvia De la Flor

    Article first published online: 30 MAR 2015 | DOI: 10.1002/polb.23717

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    Shape memory epoxy thermosets are synthesized by crosslinking DGEBA with hyperbranched poly(ethyleneimine) and a polyetheramine. Hyperbranched polymers can be used to enhance mechanical and shape memory properties with different effect depending on the crosslinking density. Materials with tailored Tg and excellent tensile strength (up to 15 MPa) and ultimate failure strain (near to 60%) at programming temperature can be obtained, leading to exceptional final shape-memory properties of 99%.

  2. Light modulation and coupling and rugby-shaped resonators based on polymer fiber waveguide junctions

    Huaqing Yu, Liangbin Xiong, Qingdong Zeng, Sheng Wen, Feng Wang, Genwen Zheng and Yaoming Ding

    Article first published online: 30 MAR 2015 | DOI: 10.1002/polb.23705

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    The ability to manipulate light in a subwavelength structure is central to realizing high density integrated optical circuits and novel biodetection platforms. Polymer nanofiber waveguide junctions were assembled by using poly(trimethylene terephthalate) nanofibers. A Chinese character, an SU pattern, and rugby-shaped microresonators were demonstrated based on this polymer fiber waveguide junction technique. Furthermore, the microresonators can incorporate dyes or quantum dots into them, acting as active devices. This technique may provide a versatile platform for investigating light matter interaction.

  3. Multifunctional mesoporous silica nanoparticles in poly(ethylene-co-vinyl acetate) for transparent heat retention films

    Md Abdul Mumin, Kazi Farida Akhter, Sara Dresser, Sasha T. van Dinther, Wei Wu and Paul A. Charpentier

    Article first published online: 30 MAR 2015 | DOI: 10.1002/polb.23707

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    Transparent polymer nanocomposite films have attracted tremendous interest for solar coverings but suffer from significant radiative heat losses. In this work we show that poly(ethylene-co-vinyl acetate) films using mesoporous silica/quantum dot nanoparticles improve infrared and thermal wavebands retention, providing high visible light transmission and blocking of UV transmission of interest for next generation solar coatings.

  4. Parameterization of electrostatic interactions for molecular dynamics simulations of heterocyclic polymers

    Victor M. Nazarychev, Sergey V. Larin, Alexander V. Yakimansky, Natalia V. Lukasheva, Andrey A. Gurtovenko, Iosif V. Gofman, Vladimir E. Yudin, Valentin M. Svetlichnyi, Jose M. Kenny and Sergey V. Lyulin

    Article first published online: 30 MAR 2015 | DOI: 10.1002/polb.23715

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    Molecular dynamics methods implemented into fully atomic models allows the effect of slight changes in the chemical structure of bulk polyimides to be taken into account in order to optimize the performance of polyimide-based materials. In this work, microsecond molecular dynamics simulations were carried out to study thermal properties of polyimides. The developed computer model can predict the influence of the chemical structure change on the thermal properties for three thermostable polyimides.

  5. Preparation and characterization of novel transparent plasticized poly(butylene terephthalate)-co-poly(alkylene glycol terephthalate) gel

    Hong Xia, Yoshio Hashimoto and Toshihiro Hirai

    Article first published online: 30 MAR 2015 | DOI: 10.1002/polb.23708

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    A transparent plasticized gel has been made using a poly(butylene terephthalate)-co-poly(alkylene glycol terephthalate) (PBT-co-PAGT) copolymer and a plasticizer, dibutyl adipate (DBA). The soft segments of the copolymer improved the polymer crystallinity and suppressed particle formation. DBA increases the dielectric constant and decreases the elastic modulus. This gel-like material has applications in dielectrics, photovoltaics and actuators.