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2,781 Newest Publications about the topic elongation

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Fiber‐draw‐induced elongation and break‐up of particles inside the core of a silica‐based optical fiber

14-Feb-2017 | M. Vermillac, J.‐F. Lupi, F. Peters, M. Cabié, P. Vennéguès, C. Kucera, T. Neisius, J. Ballato, W. Blanc, Journal of the American Ceramic Society, 2017

Abstract Particles in the core of optical fibers are widely studied to tailor or to improve optical properties. The analysis of nanoparticles embedded in silica‐based optical fiber allowed new observations of the evolution of amorphous particles during fiber drawing. Even at the nanoscale, ...

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Origin of ferroelectric P‐E loop in cubic compositions and structure of poled (1‐x)Bi(Mg1/2Zr1/2)O3‐xPbTiO3 piezoceramics

14-Feb-2017 | Ashutosh Upadhyay, Rishikesh Pandey, Akhilesh Kumar Singh, Journal of the American Ceramic Society, 2017

Abstract Structural analysis of electrically poled samples of polycrystalline, (1‐x)Bi(Mg1/2Zr1/2)O3‐xPbTiO3 piezoceramics across morphotropic phase boundary reveals electric field‐induced cubic to tetragonal phase transition and significant domain reorientation in tetragonal and two‐phase ...

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Nanotailoring of sepiolite clay with poly [styrene‐b‐(ethylene‐co‐butylene)‐b‐styrene]: structure–property correlation

14-Feb-2017 | Pragya Gupta, Madhab Bera, Pradip K. Maji, Polymers for Advanced Technologies, 2017

Poly [styrene‐b‐(ethylene‐co‐butylene)‐b‐styrene] (SEBS)/sepiolite clay nanocomposites are prepared by solvent casting method. Two types of schemes have been adopted to establish the compatibility between nonpolar polymer (SEBS) and needle‐like inorganic filler (sepiolite), either by polar ...

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Enhanced crystallization rate and mechanical properties of PLLA by stereocomplexation with four‐armed PCL‐b‐PDLA diblock copolymer

14-Feb-2017 | Zhenbo Ning, Junjie Liu, Ni Jiang, Zhihua Gan, Polymer International, 2017

Abstract PLLA was blended with a series of four‐armed poly(ε‐caprolactone)‐b‐poly(D‐lactic acid) (4a‐PCL‐b‐PDLA) copolymers in order to improve its crystallization rate and mechanical properties. It is found that the higher content of 4a‐PCL‐b‐PDLA copolymer or relative longer PDLA block in ...

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The Levinthal Problem in Amyloid Aggregation: Sampling of a Flat Reaction Space

13-Feb-2017 | Zhiguang Jia; Alex Beugelsdijk; Jianhan Chen; Jeremy D. Schmit, Journal of Physical Chemistry B, 2017

The formation of amyloid fibrils has been associated with many neurodegenerative disorders, yet the mechanism of aggregation remains elusive, partly because aggregation time scales are too long to probe with atomistic simulations. A microscopic theory of fibril elongation was recently developed ...

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Porous polyurethane-polystyrene composites produced in a co-expansion process

13-Feb-2017 | Author(s): Elżbieta Malewska, Aleksnader Prociak, Arabian Journal of Chemistry, 2017

Publication date: Available online 6 February 2017 Source:Arabian Journal of Chemistry Author(s): Elżbieta Malewska, Aleksnader Prociak Porous polyurethane (PUR) and polystyrene (PS) composites can be obtained by co-expansion process. This method involves simultaneous foaming of PUR and ...

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Preparation and properties of poly(siloxane‐ether‐urethane)‐acrylic hybrid emulsions

11-Feb-2017 | Tingfa Yi, Guozhang Ma, Caiying Hou, Shasha Li, Ruofei Zhang, Jianbing Wu, Xiaogang Hao, Journal of Applied Polymer Science, 2017

ABSTRACT Poly(siloxane–ether–urethane)‐acrylic (PU‐AC) hybrid emulsions were prepared by introducing different hydroxyethoxypropyl‐terminated polydimethylsiloxane (PDMS) content into the acrylic‐terminated poly(ether‐urethane) backbone and then in situ copolymerizing with methyl methacrylate ...

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Influence of grafting content on the properties of cured natural rubber grafted with PMMAs using glutaraldehyde as a cross‐linking agent

10-Feb-2017 | Ekwipoo Kalkornsurapranee, Wanida Yung‐Aoon, Bencha Thongnuanchan, Anoma Thitithammawong, Charoen Nakason, Jobish Johns, Advances in Polymer Technology, 2017

Abstract In this work, we present an easy way to vulcanize natural rubber using glutaraldehyde as a cross‐linking agent. The effect of poly(methyl methacrylate) (PMMA) grafting along with cross‐linking of natural rubber on the mechanical, thermal, and oil resistance properties was studied. The ...

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Sensors, Vol. 17, Pages 345: Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors

10-Feb-2017 | Bremer, Kort ; Weigand, Frank ; Zheng, Yulong ; Alwis, Lourdes Shanika; Helbig, Reinhard ; Roth, Bernhard, Sensors, 2017

Optical fiber-based sensors “embedded” in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures. The design aims to monitor common SHM parameters ...

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Partially fluorinated and ammonium‐functionalized terpolymers: Effect of aliphatic groups on the properties of anion conductive membranes

09-Feb-2017 | Hideaki Ono, Junpei Miyake, Kenji Miyatake, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT Synthesis and properties of a series of ammonium‐containing terpolymers (QPAF‐3) as anion conductive membranes are reported. The QPAF‐3s composed of perfluoroalkylene, alkylene, and ammonium‐functionalized phenylene groups without heteroatom linkages in the main chain were synthesized ...

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