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468 Newest Publications about the topic vinyl acetate

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RAFT Copolymerization of Vinyl Acetate and N-Vinylcaprolactam: Kinetics, Control, Copolymer Composition, and Thermoresponsive Self-Assembly

12-Sep-2016 | Laura Etchenausia; Aurélie Malho Rodrigues; Simon Harrisson; Elise Deniau Lejeune; Maud Save, Macromolecules, 2016

Well-defined thermoresponsive amphiphilic statistical copolymers based on N-vinylcaprolactam (VCL) and vinyl acetate (VAc) were successfully synthesized by RAFT/MADIX polymerization mediated by O-ethyl-S-(1-ethoxycarbonyl)ethyldithiocarbonate chain transfer agent at 65 °C. We achieved the ...

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Production of Pure Aqueous 13C‐Hyperpolarized Acetate Via Heterogeneous Parahydrogen‐Induced Polarization

08-Sep-2016 | Kirill V Kovtunov, Danila A Barskiy, Roman V Shchepin, Oleg G. Salnikov, Igor P Prosvirin, Angrey V Bukhtiyarov, Lar ..., Chemistry - A European Journal, 2016

Supported metal catalyst was designed, characterized and tested for aqueous phase heterogeneous hydrogenation of vinyl acetate with parahydrogen to produce 13C‐hyperpolarized ethyl acetate for potential biomedical applications. The Rh/TiO2 catalyst with 23.2 wt% loading produced strong ...

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Synergistic effects of modified hydrotalcite on improving the fire resistance of ethylene vinyl acetate containing intumescent flame retardants

31-Aug-2016 | Sheng Zhang, Wufei Tang, Jun Sun, Yu Jiang, Xiangxing Bu, Xiaoyu Gu, Polymer Composites, 2016

The NH2 intercalated MgAl‐LDH (SA‐LDH) was prepared and then introduced into ethylene vinyl acetate (EVA) in association with intumescent flame retardants (IFR) in order to improve the flame retardancy of the composite. The structure and thermal stability of SA‐LDH was characterized by Fourier ...

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BaTiO3 incorporation effect on the dielectric properties of polymer from aqueous emulsion: An enhanced dispersion technique

24-Aug-2016 | Adel Zyane, Ahmed Belfkira, François Brouillette, Pascal Marchet, Romain Lucas, Journal of Applied Polymer Science, 2016

ABSTRACT An economic and environment friendly process was adapted to synthesize new dielectric composite materials. Using ethylene vinyl acetate (EVA)/vinyl ester of versatic acid (VeoVa) terpolymer as an aqueous emulsion provides a homogenous dispersion of BaTiO3 (BT) particles, due to the ...

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Carbon nanotubes‐polymer nanocomposites for controlled heating materials

13-Aug-2016 | Adam Januszko, Jerzy Peszke, Urszula Jaworska, Agnieszka Pawlicka, Journal of Applied Polymer Science, 2016

ABSTRACT Nanocomposites of modified carbon nanotubes (CNT) and either polyurethane (PU), poly(vinyl acetate) (PVAc), or silicone materials were synthetized and characterized for thermal mat application. The obtained results revealed that the polymer used as a matrix had an impact on the ...

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Influence of dynamic crosslinking on the morphology, crystallization, and dynamic mechanical properties of PA6,12/EVA blends

03-Aug-2016 | Fabrício Bondan, Juliano Roberto Ernzen, Javier Amalvy, Ana Vera Machado, Johnny De Nardi Martins, Otávio Bianchi, Journal of Applied Polymer Science, 2016

ABSTRACT This study investigated the effect of dynamic crosslinking of polyamide 6,12 and random copolymers of ethylene and vinyl acetate blends (PA6,12/EVA) on the morphology, crystallinity, and dynamic mechanical properties. The crosslinking agent was dicumyl peroxide (DCP), and the blends ...

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Effect of using polymeric materials in ecological sand‐fixing of Kerqin Sandy Land of China

21-Jul-2016 | Wei Gong, Yunxiao Zang, Bailing Liu, Hualin Chen, Fusheng Wu, Ronghai Huang, Shaokun Wang, Journal of Applied Polymer Science, 2016

ABSTRACT For the first time, the main characteristics of the polymeric materials are considered for understanding their possible application in ecological sand‐fixing. In this investigation, two emulsions, named as E2, a poly(vinyl acetate) emulsion, and E7, a vinyl acetate–ethylene copolymer ...

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Effect of organic montmorillonite on microstructure and properties of the OMMT/EVA/Asphalt composites

18-Jul-2016 | Xin Yan Xiao, Wu Liu, Deng Ke Zhang, Cai Xia Wan, Polymer Composites, 2016

In order to improve the aging resistance and rutting resistance of the asphalt, a novel OMMT/EVA/asphalt composite was prepared by using organic montmorillonite (OMMT) and ethylene vinyl acetate (EVA) as modifiers via melt blending method. The microstructure and morphology of the EVA/asphalt ...

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Theoretical Study of Reactions between Oxygen‐Centered Radicals (•OH and SO4•—) and Vinyl Monomers in Aqueous Phase

14-Jul-2016 | Julibeth M. Martinez‐De la Hoz, Ivan A. Konstantinov, Steven G. Arturo, Gary Dombrowski, Macromolecular Theory and Simulations, 2016

In this work, reactions between industrially relevant monomers (methyl acrylate, ethyl acrylate, methyl methacrylate, vinyl acetate, and isopropenyl acetate) and oxygen‐centered radicals (•OH and SO4 •—) are studied using a combination of quantum mechanics and transition state theory. These ...

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Bulk Free Radical Polymerization of Methyl Methacrylate and Vinyl Acetate: A Comparative Study

11-Jul-2016 | David Victoria‐Valenzuela, Jorge Herrera‐Ordonez, Gabriel Luna‐Barcenas, George D. Verros, Dimitris S. Achilias, Macromolecular Reaction Engineering, 2016

The model and methodology for estimating diffusion‐controlled rate coefficients for the methyl methacrylate (MMA) polymerization system is extended to the vinyl acetate (VAc) case. Comparison of the kinetic behavior and termination rate coefficients (kt) of both monomers suggests that at low ...

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