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497 Newest Publications about the topic vinyl acetate

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Synthesis of random and block copolymers of vinyl chloride and vinyl acetate by RAFT miniemulsion polymerizations mediated by a fluorinated xanthate

16-Mar-2017 | Zhihui Huang, Pengju Pan, Yongzhong Bao, Journal of Applied Polymer Science, 2017

ABSTRACT RAFT miniemulsion (co)polymerizations of vinyl acetate (VAc) and vinyl chloride (VC) are conducted in the presence of a fluorinated xthanate (X1). VAc miniemulsion polymerization can be well controlled by X1, and PVAc with small polydispersity index (PDI,

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Two-Level Shape Changes of Polymeric Microcuboids Prepared from Crystallizable Copolymer Networks

13-Mar-2017 | Yue Liu; Muhammad Yasar Razzaq; Tobias Rudolph; Liang Fang; Karl Kratz; Andreas Lendlein, Macromolecules, 2017

Polymeric microdevices bearing features like nonspherical shapes or spatially segregated surface properties are of increasing importance in biological and medical analysis, drug delivery, and bioimaging or microfluidic systems as well as in micromechanics, sensors, information storage, or data ...

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Measurement and Modeling of Liquid–Liquid Equilibrium for the Systems Vinyl Acetate + Acetic Acid/Ethanol + Water at 298.15 and 308.15 K

03-Mar-2017 | Jun Gao; Dongrui Guan; Dongmei Xu; Lianzheng Zhang; Zhishan Zhang, Journal of Chemical & Engineering Data, 2017

Liquid–liquid equilibria (LLE) experimental data for the systems of vinyl acetate + acetic acid/ethanol + water were determined at temperatures of 298.15 and 308.15 K and pressure of 101.3 KPa. The reliability of the LLE experimental data was validated by the Bachman and Hand equations. The LLE ...

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Method for Noninvasive Analysis of Proteins and Small Molecules from Ancient Objects

03-Mar-2017 | Marcello Manfredi; Elettra Barberis; Fabio Gosetti; Eleonora Conte; Giorgio Gatti; Clara Mattu; Elisa Robotti; Gleb ..., Analytical Chemistry, 2017

Proteins and small molecules from ancient objects and cultural heritage can provide key information and contribute to study the context of objects and artists. However, all present-day protocols and strategies for the analysis of ancient samples are often invasive and require microsampling. Here, ...

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Whole-Cell Biocatalytic Synthesis of Cinnamyl Acetate with a Novel Esterase from the DNA Library of Acinetobacter hemolyticus

28-Feb-2017 | Hao Dong; Francesco Secundo; Changhu Xue; Xiangzhao Mao, Journal of Agricultural and Food Chemistry, 2017

Cinnamyl acetate has a wide application in the flavor and fragrance industry because of its sweet, balsamic, and floral odor. Up to now, lipases have been mainly used in enzyme-mediated synthesis of cinnamyl acetate, whereas esterases are used in only a few cases. Moreover, the use of purified ...

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Effect of Phase Selective Localization of Silica on Mechanical Properties of Polymethyl Methacrylate/Ethyl Vinyl Acetate/Silica Composites

17-Feb-2017 | Teoh Pei Ying, Rozyanty Rahman, Mohd Kahar Ab. Wahab, Du Ngoc Uy Lan, Macromolecular Symposia, 2017

Summary Phase selective localization of silica in polymethyl methacrylate/ ethyl vinyl acetate (PMMA/EVA) composite controls the concentration of silica in each PMMA and EVA phases and affects the mechanical properties of the composite. In order to produce the different concentration of ...

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Hansen solubility parameter: From polyethylene and polyvinylacetate homopolymers to eva copolymers

14-Feb-2017 | Javier Camacho, Eduardo Díez, Ismael Díaz, Gabriel Ovejero, Polymer International, 2017

Abstract The Hansen Solubility Parameters (HSPs) of two ethylene‐vinyl acetate copolymers (with 18% and 33% w/w of vinyl acetate) and their corresponding homopolymers (polyethylene, PE, and polyvinyl acetate, PVAc) have been studied at different temperatures, employing the previously obtained ...

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Cross‐linking and postcross‐linking of ethylene vinyl acetate in photovoltaic modules

10-Feb-2017 | G. Oreski, A. Rauschenbach, C. Hirschl, M. Kraft, G.C. Eder, G. Pinter, Journal of Applied Polymer Science, 2017

ABSTRACT Ethylene vinyl acetate (EVA) is the dominating material for the encapsulation of solar cells. A better understanding of the cross‐linking reaction progress during PV module lamination could lead to promising approaches for shortening of PV module lamination times but also for ...

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Poly(ethylene glycol)-graft-poly(vinyl acetate) single-chain nanoparticles for the encapsulation of small molecules

01-Feb-2017 | Arianna Bartolini; Paolo Tempesti; Claudio Resta; Debora Berti; Johan Smets; Yousef G. Aouad; Piero Baglioni, Physical Chemistry Chemical Physics, 2017

Amphiphilic poly(ethylene glycol)-graft-poly(vinyl acetate) copolymers with a low degree of grafting undergo self-folding in water driven by hydrophobic interactions, resulting in single-chain nanoparticles (SCNPs) possessing a hydrodynamic radius of about 10 nm. A temperature scan revealed a ...

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Influence of hyaluronic acid on the formation of isolated poly(vinyl acetate) films for oral solid coatings

31-Jan-2017 | Giovane Douglas Zanin, Élcio Jose Bunhak, Leandro Freire Santos, Eduardo Borges Melo, Osvaldo Albuquerque Cavalcanti, Journal of Applied Polymer Science, 2017

ABSTRACT This article presents a preformulation study of isolated poly(vinyl acetate) films with the addition of hyaluronic acid (HA). The films were prepared with the solvent evaporation method and evaluated according to macroscopic, morphologic, structural, water vapor transmission (WVT), ...

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