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2,039 Newest Publications about the topic elongation

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Soft Core/Shell Packages for Stretchable Electronics

15-May-2015 | Chi Hwan Lee, Yinji Ma, Kyung‐In Jang, Anthony Banks, Taisong Pan, Xue Feng, Jae Soon Kim, Daeshik Kang, Milan S. Ra ..., Advanced Functional Materials, 2015

This paper presents materials and core/shell architectures that provide optimized mechanical properties in packages for stretchable electronic systems. Detailed experimental and theoretical studies quantitatively connect the geometries and elastic properties of the constituent materials to the ...

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Semi‐analytical solution for power‐law polymer solution flow in a converging annular spinneret

15-May-2015 | Yi‐Rui Chen, Liang‐Hsun Chen, Kuo‐Lun Tung, Yu‐Ling Li, Yu‐Shao Chen, Che‐Chia Hu, Ching‐Jung Chuang, AIChE Journal, 2015

Abstract A semi‐analytical solution for a power‐law fluid flowing through a conical annulus was derived to estimate the velocity profile in the axial direction, the shear rate and the elongation rate within a spinneret during the spinning of hollow fiber membranes. The angle coefficient was ...

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Effects of nano‐tio2 on the performance of high‐amylose starch based antibacterial films

14-May-2015 | Chao Liu, Hanguo Xiong, Xing Chen, Shun Lin, Yanhua Tu, Journal of Applied Polymer Science, 2015

ABSTRACT The purpose of this article is to investigate the effects of nano‐tianium dioxide (nano‐TiO2) on the high‐amylose starch/polyvingl alcohol (PVA) blend films prepared by a solution casting method. The results show that at the concentration of 0.6% of nano‐TiO2, the film demonstrated ...

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Physical properties and crystallization behavior of poly(lactide)/poly(methyl methacrylate)/silica composites

14-May-2015 | Jyh‐Horng Wu, M. C. Kuo, Chien‐Wen Chen, Journal of Applied Polymer Science, 2015

ABSTRACT Poly(lactide)/poly(methyl methacrylate)/silica (PLA/PMMA/SiO2) composites were fabricated using a twin‐screw extruder. Nanosilica particles were incorporated to improve the toughness of the brittle PLA, and a chain extender reagent (Joncryl ADR 4368S) was used to reduce the hydrolysis ...

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Preparation and properties of compatible starch‐polycaprolactone composites: Effects of molecular weight of soft segments in polyurethane compatilizer

14-May-2015 | Xu Zhang, Yu Zhang, Jingjing Liao, Ting Yu, Rongrong Hu, Zhengshun Wu, Qiangxian Wu, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, polycaprolactone (PCL)‐diol samples of soft segment with different molecular weights were utilized to synthesiz polyurethane prepolymer (PCLPUP) and was charged in an intensive mixer to prepare starch‐PCLPU‐PCL composites. The impact of the polyurethane soft segments ...

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Spin Crossover, Reversible Redox, and Supramolecular Interactions in 3d Complexes of 4-(4-Pyridyl)-2,5-dipyrazyl-pyridine

13-May-2015 | Reece G. Miller; Sally Brooker, Inorganic Chemistry, 2015

A new terpyridine-inspired terdentate ligand, 4-(4-pyridyl)-2,5-dipyrazyl-pyridine (py-pzpypz), featuring three “spare” nitrogen donors “out the back”, has been used to synthesize five bis-ligand complexes, [MII(py-pzpypz)2]X2, where M = Mn with X = ClO4, or M = Fe, Co, Ni, and Zn with X = BF4. ...

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Interfacial crystallization of low‐crystallinity elastomer incorporated by multi‐walled carbon nanotubes: Mechanical reinforcement, structural evolution and enhanced thermal stability

12-May-2015 | Siduo Wu, Guangsu Huang, Jinrong Wu, Hui Li, Journal of Applied Polymer Science, 2015

ABSTRACT In this paper, we report interfacial crystallization in olefin block copolymer (OBC) with low crystallinity incorporated by multi‐walled carbon nanotubes (MWCNTs). A hybrid shish‐kebab (HSK) superstructure in nanocomposites is observed that MWCNTs act as central shish and OBC crystals ...

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A Novel Strong and Ductile TWIP/Martensite Steel Composite

08-May-2015 | O. Bouaziz, J. P. Masse, G. Petitgand, M. X. Huang, Advanced Engineering Materials, 2015

A novel bi‐layered steel composite consisting of a martensitic steel and a high manganese twinning‐induced plasticity (TWIP) steel has been fabricated by roll bonding at high temperature. Microstructural and mechanical characterizations highlight that the presented bi‐layered steel composite ...

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Synthesis of Cyclic Poly(methyl methacrylate) Directly from Dihalogenated Linear Precursors

07-May-2015 | Scott C. Blackburn, Eric S. Tillman, Macromolecular Chemistry and Physics, 2015

Cyclic poly(methyl methacrylate) (PMMA) is prepared by intramolecular radical trap‐assisted atom transfer radical coupling (RTA‐ATRC) of dihalogenated PMMA precursors. The inclusion of the radical trap nitrosobenzene (NBz) in the coupling sequence affords high yields of cyclic polymers, as ...

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Photoinduced Morphological Transformations of Soft Nanotubes

07-May-2015 | Naohiro Kameta, Mitsutoshi Masuda, Toshimi Shimizu, Chemistry - A European Journal, 2015

Abstract In water, synthetic amphiphiles composed of a photoresponsive azobenzene moiety and an oligoglycine hydrogen‐bonding moiety selectively self‐assembled into nanotubes with solid bilayer membranes. The nanotubes underwent morphological transformations induced by photoisomerization of ...

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