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474 Newest Publications about the topic vinyl acetate


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Influence of Sonication on Morphological Properties of Poly(Vinyl Acetate) Particles Produced Through Suspension Polymerization

21-Oct-2016 | Gustavo D. Azevedo, Príamo A. Melo, José Carlos Pinto, Macromolecular Symposia, 2016

Summary The use of polymers for various medical purposes has increased significantly over the past few years, including vascular embolization procedures. The main challenge in this particular case is the development of embolic agents with suitable properties in order to render the application ...


Relativistic frozen core potential scheme with relaxation of core electrons

16-Oct-2016 | Author(s): Yuya Nakajima, Junji Seino, Masao Hayami, Hiromi Nakai, Chemical Physics Letters, 2016

Publication date: 16 October 2016 Source:Chemical Physics Letters, Volume 663 Author(s): Yuya Nakajima, Junji Seino, Masao Hayami, Hiromi Nakai This letter proposes a relaxation scheme for core electrons based on the frozen core potential method at the infinite-order ...


Interfacial Energy and Glass Temperature of Polymers Confined to Nanoporous Alumina

27-Sep-2016 | Stelios Alexandris; Periklis Papadopoulos; Georgios Sakellariou; Martin Steinhart; Hans-Jürgen Butt; George Floudas, Macromolecules, 2016

We report on the effect of interfacial energy on the glass temperature, Tg, of several amorphous polymers with various glass temperatures and polymer/substrate interactions confined within self-ordered nanoporous alumina (AAO). The polymers studied include poly(phenylmethylsiloxane) (PMPS), ...


Crosslinking of poly(vinyl alcohol) and poly(vinyl acetate) using poly(maleic anhydride‐alt−2,4‐dimethyl‐1,3‐pentadiene) as polyfunctional crosslinker and decrosslinking by ozone degradation

24-Sep-2016 | Limin Lou, Haruyuki Okamura, Akikazu Matsumoto, Journal of Applied Polymer Science, 2016

ABSTRACT Crosslinking and decrosslinking reactions of poly(vinyl alcohol) (PVA) and poly(vinyl acetate) (PVAc) using an alternating copolymer of maleic anhydride and 2,4‐dimethyl‐1,3‐pentadiene (PMAD) as the polyfunctional crosslinker and subsequent ozone degradation are reported. PVA and PVAc ...


Triple‐shape‐memory polymer films created by forced‐assembly multilayer coextrusion

22-Sep-2016 | Shanzuo Ji, Jia Wang, Andrew Olah, Eric Baer, Journal of Applied Polymer Science, 2016

ABSTRACT Triple‐shape‐memory polymers are capable of memorizing two temporary shapes and sequentially recovering from the first temporary shape to the second temporary shape and eventually to the permanent shape upon exposure to a stimulus. In this study, unique three‐component, multilayered ...


Highly Productive and Enantioselective Enzyme Catalysis under Continuous Supported Liquid–Liquid Conditions Using a Hybrid Monolithic Bioreactor

21-Sep-2016 | Bernhard Sandig, Michael R. Buchmeiser, ChemSusChem, 2016

Abstract Enzyme‐containing ionic liquids (ILs) were immobilized in cellulose‐2.5‐acetate microbeads particles embedded in a porous monolithic polyurethane matrix. This bioreactor was used under continuous liquid‐liquid conditions by dissolving the substrates in a nonpolar organic phase ...


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 ...


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 ...


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 ...


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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