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1,200 Newest Publications in journal of polymer science part b: polymer physics

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Alkyl side chain length dependent compatibility of poly(4‐n‐alkylstyrene)s and 1,4‐rich polyisoprene blends

02-Sep-2017 | Satoru Matsushima, Atsushi Takano, Yushu Matsushita, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT We investigated the compatibility of blends of 1,4‐rich polyisoprene (1,4‐PI) and poly(4‐n‐alkylstyrene)s with six kinds of n‐alkyl side groups, that is, methyl, ethyl, propyl, butyl, hexyl, and octyl focusing on carbon number of alkyl groups. Poly(4‐methylstyrene)/1,4‐PI blend was ...

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Spin‐labeling of polymeric micelles and application in probing micelle swelling using EPR spectroscopy

02-Sep-2017 | Yanxiong Pan, Sunanda Neupane, Jasmin Farmakes, Bingqing Liu, Wenfang Sun, Zhongyu Yang, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Polymer structure and conformational dynamics are essential to polymer macroscopic properties, but are challenging to probe. We report here a synthetic pathway to chemically add a nitroxide moiety onto block polymers in a mild, aqueous environment and demonstrate its use in a series ...

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Reduced stress‐optical coefficient of polycarbonate by antiplasticization

02-Sep-2017 | Shogo Nobukawa, Seiki Hasunuma, Takumi Sako, Azusa Miyagawa, Masayuki Yamaguchi, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT We have investigated the effect of antiplasticization on the stress‐optical behavior of polycarbonate (PC) containing terphenyls (tPh) and di(2‐ethylhexyl)adipate (DEHA). Addition of the three tPhs (p‐, o‐, and m‐tPh) and DEHA at contents of 5–10 wt % increases the tensile storage ...

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Thermal actuation of hydrogels from PNIPAm, alginate, and carbon nanofibres

02-Sep-2017 | Holly Warren, Marc in het Panhuis, Geoffrey M. Spinks, David L. Officer, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Composite ionic‐covalent entanglement (ICE) hydrogel networks were prepared from poly(N‐isopropylacrylamide), alginate, and carbon nanofibres. An optimised triple network hydrogel with 86% water content exhibited a compressive strength of 3.0 ± 0.1 MPa and 66 ± 13 mS/cm electrical ...

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Effect of anionic surfactant on alginate‐chitosan polyelectrolyte multilayer thickness

31-Aug-2017 | Hakan Kaygusuz, Samantha Micciulla, F. Bedia Erim, Regine von Klitzing, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Alginate and chitosan are among the most common biopolyelectrolytes. Surfactants can be included in alginate and chitosan formulations in order to improve their physical and functional properties. In the present study, the effect of the anionic surfactant sodium dodecyl sulfate (SDS) ...

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Influence of oriented β‐lamellae on deformation and pore formation in β‐nucleated polypropylene

30-Aug-2017 | Lei Ding, Qian Ge, Guan Xu, Tong Wu, Feng Yang, Ming Xiang, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Four β‐nucleated polypropylene samples with increasing die draw ratio (DDR) were prepared to modify lamellae arrangement. The DSC, SEM, and 2D‐XRD results show that all four cast films had similar crystallinity, high contents of β‐crystal but lowering stability of β‐lamellae with ...

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Highly thermal conductive benzoxazine‐epoxy interpenetrating polymer networks containing liquid crystalline structures

25-Aug-2017 | Ying Liu, Jiming Chen, Yaoheng Zhang, Sheng Gao, Zaijun Lu, Qingbin Xue, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT A diamine‐based benzoxazine monomer (Bz) and a liquid crystalline epoxy monomer (LCE) are synthesized, respectively. Subsequently, a benzoxazine‐epoxy interpenetrating polymer network (PBEI) containing liquid crystalline structures is obtained by sequential curing of the LCE and the ...

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Effect of nematic ordering on the elasticity and yielding in disordered polymeric solids

25-Aug-2017 | Andrea Giuntoli, Nicola Calonaci, Sebastiano Bernini, Dino Leporini, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT The relation between elasticity and yielding is investigated in a model polymer solid by Molecular‐Dynamics simulations. By changing the bending stiffness of the chain and the bond length, semicrystalline and disordered glassy polymers — both with bond disorder — as well as nematic ...

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Direct Relationship Between Interfacial Microstructure and Confined Crystallization in Poly(Ethylene Oxide)/Silica Composites: The Study of Polymer Molecular Weight Effects

22-Aug-2017 | Weiwei Zhao, Yunlan Su, Alejandro J. Müller, Xia Gao, Dujin Wang, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT With particular focus on the characterization of polymer–nanoparticle interaction, the effects of polymer molecular weight (Mn) on confined crystallization of the interfacial region in poly(ethylene oxide) (PEO)/silica (SiO2) composites were investigated, employing differential ...

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Water‐soluble top coats for orientation control of liquid crystal‐containing block copolymer films

19-Aug-2017 | He‐Lou Xie, Xiao Li, Hyo Seon Suh, Jia‐Xing Ren, Ling‐Shu Wan, Gordon S. W. Craig, Christopher G. Arges, Paul F. Nealey, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT An easily removable, water‐soluble top coat of polyvinylpyrrolidone (PVP) is used to control the orientation of microdomains in a liquid crystalline block copolymer (LC BCP, poly(ethylene oxide)‐block‐poly(6‐(4‐methoxy‐azobenzene‐4′‐butyl) hexyl methacrylate)). The corresponding LC ...

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