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418 Newest Publications about the topic vinyl acetate


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An eco-friendly method for reclaimed silicon wafers from a photovoltaic module: from separation to cell fabrication

24-Nov-2015 | Jongsung Park; Wangou Kim; Namjun Cho; Haksoo Lee; Nochang Park, Green Chemistry, 2015

A sustainable method for reclaiming silicon (Si) wafers from an end-of-life photovoltaic module is examined in this paper. A thermal process was employed to remove ethylene vinyl acetate and the back-sheet. We found that a ramp-up rate of 15 °C min−1 and an annealing temperature of 480 °C enabled ...


Modelling of deactivation of Pd‐Au catalyst in vinyl acetate synthesis from oxidation of ethylene and acetic acid in the gaseous phase

22-Nov-2015 | Kazem Motahari, Amin Borumandnejad, Garry L Rempel, Saba Lashkarara, The Canadian Journal of Chemical Engineering, 2015

Abstract Vinyl acetate monomer (VAM) is produced from oxidation of ethylene and acetic acid on a Pd‐Au/SiO2 catalyst in the gaseous phase. A progressive loss in activity occurs during the lifetime of a commercial Pd‐Au/SiO2 VAM synthesis catalyst; thus, the efficiency of the reaction ...


Materials, Vol. 8, Pages 7837-7863: Characterization of Thermo-Physical Properties of EVA/ATH: Application to Gasification Experiments and Pyrolysis Modeling

20-Nov-2015 | Girardin, Bertrand ; Fontaine, Gaëlle ; Duquesne, Sophie ; Försth, Michael ; Bourbigot, Serge, Materials, 2015

The pyrolysis of solid polymeric materials is a complex process that involves both chemical and physical phenomena such as phase transitions, chemical reactions, heat transfer, and mass transport of gaseous components. For modeling purposes, it is important to characterize and to quantify the ...


Vinyl pivalate Propagation Kinetics in Radical Polymerization

17-Nov-2015 | Otlaatla Monyatsi, Robin A. Hutchinson, Macromolecular Chemistry and Physics, 2015

Radical propagation kinetics of the bulk homopolymerizations of vinyl pivalate (VPi) and vinyl benzoate (VBz) have been studied using pulsed‐laser polymerization (PLP) combined with size exclusion chromatography (SEC). As part of the study, the Mark–Houwink para­meters of poly(VPi) and poly(VBz) ...


From Micro to Nano Thin Polymer Layers: Thickness and Concentration Dependence of Sorption and the Solvent Diffusion Coefficient

09-Nov-2015 | Felix Buss; Johannes Göcke; Philip Scharfer; Wilhelm Schabel, Macromolecules, 2015

From sorption experiments in literature it is known, that the solvent diffusion coefficient in nanoscale polymer layers decreases compared to its value in thicker films due to an increasing influence of the substrate. However, it is unclear whether this behavior is only related to thickness ...


The Mechanism and Thermodynamic Studies of CMRP: Different Control Mechanisms Demonstrated by CoII(TMP), CoII(salen*), and CoII(acac)2 Mediated Polymerization, and the Correlation of Reduction Potential, Equilibrium Constant, and Control Mechanism

06-Nov-2015 | Fu‐Sheng Wang, Tsung‐Yao Yang, Ching‐Chun Hsu, Ya‐Jo Chen, Ming‐Han Li, Yu‐Jie Hsu, Min‐Chieh Chuang, Chi‐How Peng, Macromolecular Chemistry and Physics, 2015

The mechanism study of cobalt mediated radical polymerization (CMRP) is performed with CoII(TMP), CoII(salen*), and CoII(acac)2 at 60 °C to demonstrate that the control of vinyl acetate radical polymerization is achieved via a degenerative transfer pathway when CoII(TMP) and CoII(salen*) are ...


Interception and Characterization of Catalyst Species in Rhodium Bis(diazaphospholane)-Catalyzed Hydroformylation of Octene, Vinyl Acetate, Allyl Cyanide, and 1-Phenyl-1,3-butadiene

02-Nov-2015 | Eleanor R. Nelsen; Anna C. Brezny; Clark R. Landis, Journal of the American Chemical Society, 2015

In the absence of H2, reaction of [Rh(H) (CO)2(BDP)] [BDP = bis(diazaphospholane)] with hydroformylation substrates vinyl acetate, allyl cyanide, 1-octene, and trans-1-phenyl-1,3-butadiene at low temperatures and pressures with passive mixing enables detailed NMR spectroscopic characterization of ...


Effect of double percolation on the electrical properties and electromagnetic interference shielding effectiveness of carbon‐black‐loaded polystyrene/ethylene vinyl acetate copolymer blends

30-Oct-2015 | Bluma G. Soares, François Touchaleaume, Loan F. Calheiros, Guilherme M. O. Barra, Journal of Applied Polymer Science, 2015

ABSTRACT In this study, the concept of double percolation and selective location of a conducting additive was used to develop conducting polymer composites composed of polystyrene (PS) and ethylene vinyl acetate copolymer (EVA) filled with carbon black (CB). Scanning and transmission electron ...


Fault Detection and Isolation Analysis and Design For Solution Copolymerization of MMA and VAc Process

29-Oct-2015 | Hadi Shahnazari, Prashant Mhaskar, AIChE Journal, 2015

Abstract In this work, we consider the problem of detecting and isolating distinguishable actuator and sensor faults in the solution copolymerization of Methyl Methacrylate (MMA) and Vinyl Acetate (VAc) monomers. To this end, first state estimates are generated using a bank of high‐gain ...


Amphiphilic block copolymer self‐assemblies of poly(NVP)‐b‐poly(MDO‐co‐vinyl esters): Tunable dimensions and functionalities

10-Oct-2015 | Guillaume G. Hedir, Anaïs Pitto‐Barry, Andrew P. Dove, Rachel K. O'Reilly, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Functional, degradable polymers were synthesized via the copolymerization of vinyl acetate (VAc) and 2‐methylene‐1,3‐dioxepane (MDO) using a macro‐xanthate CTA, poly(N‐vinylpyrrolidone), resulting in the formation of amphiphilic block copolymers of poly(NVP)‐b‐poly(MDO‐co‐VAc). The ...


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