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2,100 Newest Publications about the topic elongation

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Cobalt Boryl Complexes: Enabling and Exploiting Migratory Insertion in Base‐Metal‐Mediated Borylation

27-Jun-2015 | René Frank, James Howell, Jésus Campos, Rémi Tirfoin, Nicholas Phillips, Stefan Zahn, D. Michael P. Mingos, Simon Al ..., Angewandte Chemie International Edition, 2015

Abstract Cobalt boryl complexes, which have only been sporadically reported, can be accessed systematically with remarkable (but controllable) variation in the nature of the MB bond. Complexes incorporating a very strong trans σ‐donor display unparalleled inertness, reflected in retention of ...

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The MoMo Quintuple Bond as a Ligand to Stabilize Transition‐Metal Complexes

27-Jun-2015 | Duan‐Yen Lu, Peter P.‐Y. Chen, Ting‐Shen Kuo, Yi‐Chou Tsai, Angewandte Chemie International Edition, 2015

Abstract Herein, we report the employment of the MoMo quintuple bonded amidinate complex to stabilize Group 10 metal fragments {(Et3P)2M} (M=Pd, Pt) and give rise to the isolation of the unprecedented δ complexes. X‐ray analysis unambiguously revealed short contacts between Pd or Pt and two ...

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Diarylethene Self‐Assembled Monolayers: Cocrystallization and Mixing‐Induced Cooperativity Highlighted by Scanning Tunneling Microscopy at the Liquid/Solid Interface

26-Jun-2015 | Denis Frath, Takeshi Sakano, Yohei Imaizumi, Soichi Yokoyama, Takashi Hirose, Kenji Matsuda, Chemistry - A European Journal, 2015

Abstract Stimulus control over 2D multicomponent molecular ordering on surfaces is a key technique for realizing advanced materials with stimuli‐responsive surface properties. The formation of 2D molecular ordering along with photoisomerization was monitored by scanning tunneling microscopy at ...

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Synthesis and characterization of hydroxy‐terminated polyether‐polydimethylsiloxane‐polyether (PE‐PDMS‐PE) triblock oligomers and their use in the preparation of thermoplastic polyurethanes

23-Jun-2015 | Zeliang Dai, Kai Yang, Qingzhi Dong, Journal of Applied Polymer Science, 2015

ABSTRACT A series of hydroxy‐terminated polyether‐polydimethylsiloxane‐polyether (α,ω‐dihydroxy‐(PE‐PDMS‐PE)) ABA triblock oligomers were synthesized from silanic fluids and methyl polyallyloxide polyethers. The reaction was a one‐step solventless hydrosilylation reaction with chloroplatinic ...

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Synthesis and characterization of poly(vinyl alcohol): Cloisite® 20A nanocomposites

22-Jun-2015 | M.J. Al‐Marri, M.S. Masoud, A.M.G. Nassar, M.M. Zagho, M.M. Khader, Journal of Vinyl and Additive Technology, 2015

Polymeric nanocomposite materials are very important materials because of their promised applications. However, many of their fundamental physical, mechanical, and chemical behaviors have not been quantified. Depending on the interface forces between polymer and clay, different configurations of ...

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Effect of electron beam irradiation on (waste tire dust)‐filled ethylene vinyl acetate in the presence of bisphenol a diglycidyl ether

20-Jun-2015 | Feven Mattews Michael, Mohammad Khalid, Chantara Thevy Ratnam, Rashmi Walvekar, Suganti Ramarad, Syuhada Ramli, Journal of Vinyl and Additive Technology, 2015

The effect of bisphenol A diglycidyl ether (BADGE) and electron beam (EB) irradiation on the properties of waste tire dust (WTD) ‐filled ethylene vinyl acetate (EVA) has been studied. The EVA/WTD ratio was fixed to 80:20, whereas the BADGE concentration varied from 1 to 5 wt%. The samples were ...

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Synthesis of a secondary plasticizer for poly(vinyl chloride) by recycling of poly(ethylene terephthalate) bottle waste through aminolytic depolymerization

20-Jun-2015 | Sanjeev R. Shukla, Parag U. Kapadi, Shashank T. Mhaske, Manoj N. Mali, Aarti More, Journal of Vinyl and Additive Technology, 2015

This study focuses on the synthesis and application of didecanoate of bis(3‐hydroxypropyl) terephthalamide (DD‐BHPTA) as a secondary plasticizer in poly(vinyl chloride) (PVC) compounding. DD‐BHPTA was synthesized from poly(ethylene terephthalate) bottle waste through aminolysis followed by ...

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Largely toughening biodegradable poly(lactic acid)/thermoplastic polyurethane blends by adding MDI

19-Jun-2015 | Fei Zhao, Han‐Xiong Huang, Shui‐Dong Zhang, Journal of Applied Polymer Science, 2015

ABSTRACT This work focuses on largely toughening poly(lactic acid)/thermoplastic polyurethane (PLA/TPU) blend with lower content (20 wt %) of TPU using appropriate contents of 4,4‐methylene diphenyl diisocyanate (MDI) via simple melt blending. Both scanning electron micrographs and ...

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Preparation and mechanical characterization of chicken feather/PLA composites

19-Jun-2015 | Buket Okutan Baba, Ugur Özmen, Polymer Composites, 2015

Green composites, a bio‐based polymer matrix is reinforced by natural fibers, are special class of bio‐composites. Interest about green composites is continuously growing because they are environment‐friendly. This study describes the preparation and mechanical characterization of green ...

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Molecules, Vol. 20, Pages 11373-11386: Covalently Cross-Linked Arabinoxylans Films for Debaryomyces hansenii Entrapment

19-Jun-2015 | González-Estrada, Ramsés ; Calderón-Santoyo, Montserrat ; Carvajal-Millan, Elizabeth ; Valle, Felipe de Jesús Ascenc ..., Molecules, 2015

In the present study, wheat water extractable arabinoxylans (WEAX) were isolated and characterized, and their capability to form covalently cross-linked films in presence of Debaryomyces hansenii was evaluated. WEAX presented an arabinose to xylose ratio of 0.60, a ferulic acid and diferulic acid ...

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