Topic
Vinyl acetate
About: Vinyl acetate is a research topic. Over the lifetime, 15970 publications have been published within this topic receiving 162142 citations. The topic is also known as: Ethenyl acetate & Ethenyl ethanoate.
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TL;DR: In this article, the authors studied the transport of gases (pure oxygen and carbon dioxide) through poly(ethylene-co-vinyl acetate) (EVA) of different VA contents, by permeation measurements.
42 citations
TL;DR: Palladium-catalyzed synthesis of vinyl acetate (VAc) from ethylene was investigated especially in the light of the formation of palladium(II) acetate in the working state as discussed by the authors.
42 citations
TL;DR: In this article, a systematic experimental and modeling study of several emulsion copolymerization systems has been performed, and will be reported in a series of papers, and the goal of this series is to assess our quantitative understanding of emulsion Copolymerisation expressed in the form of a comprehensive mathematical model applied to monomers widely used in industry.
Abstract: A systematic experimental and modeling study of several emulsion copolymerization systems has been performed, and will be reported in a series of papers. Ten binary and three ternary copolymerizations involving styrene, methyl methacrylate, butyl acrylate, butadiene, vinyl acetate, acrylic acid, and ethylene were studied varying polymerization temperature, monomer composition, water to monomer ratio, initiator and emulsifier concentrations. Conversion, particle size, copolymer composition, and gel content were measured at several reaction times. The goal of this series of papers is to assess our quantitative understanding of emulsion copolymerization expressed in the form of a comprehensive mathematical model applied to monomers widely used in industry. In this first paper of the series, a global comparison of the experimental results is made. It is observed that the gel content is higher in systems containing butyl acrylate and butadiene, and smaller in systems containing methyl methacrylate. Larger particle numbers are obtained for lattices containing acrylic acid and butadiene. It is also shown that, for most of the systems, integration of the simple Mayo–Lewis equation is adequate to explain the drift in copolymer composition observed experimentally. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 79: 2360–2379, 2001
42 citations
TL;DR: The present report for the first time demonstrates successful asymmetric coordination-insertion (co)polymerization of vinyl acetate with head-to-tail and isotactic polymer structures.
Abstract: Utilization of palladium catalysts bearing a P-chiral phosphine–sulfonate ligand enabled asymmetric copolymerization of vinyl acetate with carbon monoxide. The obtained γ-polyketones have head-to-tail and isotactic polymer structures. The origin of the regio- and stereoregularities was elucidated by stoichiometric reactions of acylpalladium complexes with vinyl acetate. The present report for the first time demonstrates successful asymmetric coordination–insertion (co)polymerization of vinyl acetate.
42 citations
TL;DR: In this paper, a low-grade magnesium hydroxide (LG-MH) is used as a non-halogenated flame retardant filler in a 28% vinyl acetate (VA) content poly(ethylene-co-vinyl acetate) matrix.
42 citations