1、Elementary Reactions of Vinyl Acetate

Among these, seemingly simple yet profoundly intricate reactions, such as the elementary reactions of vinyl acetate, not only reveal the essence of chemical transformations but also provide invaluable perspectives for understanding nature and human society.

2、A combination of DFT and kMC to solve two engineering problems in the

Based on the existing experimental research, we try to use the method based on the combination of density functional theory and kinetic Monte Carlo to obtain the reaction kinetic equation and explore the reasons for the significant increase of CO 2 at the last stage of the reaction.

3、Vinyl Acetate Formation by the Reaction of Ethylene with Acetate

The reaction pathway of vinyl acetate synthesis is scrutinized by reacting gas-phase ethylene (at an effective pressure of 1 × 10 -4 Torr) with η 2 -acetate species (with a coverage of 0.31 ± 0.02 monolayer) on a Pd (111)−O (2×2) model catalyst surface in ultrahigh vacuum.

Catalytic routes and mechanisms for vinyl acetate synthesis

Here, we review studies on catalyst structure and reaction mechanisms for vinyl acetate synthesis via heterogeneous non-oxidative acetylene acetoxylation and homogeneous and heterogeneous oxidative ethylene acetoxylation.

Catalytic routes and mechanisms for vinyl acetate synthesis

Here, we review studies on catalyst structure and reaction mechanisms for vinyl acetate synthesis via heterogeneous non-oxidative acetylene acetoxylation and homogeneous and heterogeneous...

Mechanistic insights into ethylene catalytic combustion and CO2

At reaction temperatures ranging from 523 K to 623 K, a reaction pressure of 8 bar, and an ethylene-to-oxygen molar ratio of 13:1, considering all major reaction pathways in the reaction network, the simplified reaction network is depicted in Fig. 5.

First principle analysis of the catalytic reaction pathways in

Herein, we employ first-principle quantum chemical techniques to model a series of proposed elementary steps representative of vinyl acetate synthesis.

Kinetics and Mechanism of Vinyl Acetate Monomer Synthesis on Pd (100

Vinyl acetate monomer (VAM) is catalytically synthesized by a reaction between ethylene, acetic acid and oxygen over supported palladium with a selectivity of about 80% [1, 2].

Homogeneous

In this work, we used electrochemical probes to study vinyl acetate synthesis, revealing that interconversion of heterogeneous Pd (0) and homogeneous Pd (II) is required for catalysis, with each species playing a complementary role in the catalytic cycle.

Vinyl acetate synthesis

Almost all vinyl acetate now is produced via the vapor-phase reaction of ethylene and acetic acid over a noble-metal catalyst, usually palladium. The reaction is typically carried out at 175–200 ºC and 5–9 bar pressure.

In the vast realm of chemistry, every molecule tells a unique story, weaving a rich tapestry of reactions. Vinyl acetate, an ostensibly ordinary compound, harbors boundless possibilities for chemical transformations. Its elementary reactions shape its distinct properties and applications, revealing scientific principles and practical utility. This article explores the fundamental reactions of vinyl acetate, shedding light on their mechanisms and real-world relevance.

Vinyl acetate is synthesized through the addition polymerization of acetic acid and ethylene catalyzed by a specific agent. During this process, the carboxyl group (-COOH) from acetic acid reacts with the double bond (C=C) of ethylene, forming a new covalent bond to create vinyl acetate. This reaction exemplifies a typical addition mechanism, where the carboxyl group acts as a nucleophile, attacking the ethylene double bond to forge a carbon-carbon bond.

The formation of vinyl acetate proceeds as a dynamic equilibrium. While the exothermic nature of the reaction drives the system toward energy-lowering product formation, its irreversible character limits reversibility once equilibrium is reached. Yield optimization hinges on factors such as temperature, pressure, catalyst type, and dosage.

Beyond addition reactions, vinyl acetate participates in other transformations. It can be oxidized to ethylene glycol diacetate or reduced to ethylene, underscoring its versatility in synthetic chemistry.

Industrially, vinyl acetate serves as a critical organic solvent and monomer. Its solubility and volatility make it indispensable in coatings, adhesives, and printing inks. Additionally, polymerization yields high-molecular-weight polyvinyl acetate, used in plastics and rubbers.

Environmental considerations highlight another facet: as a volatile organic compound, vinyl acetate may contribute to photochemical smog through atmospheric reactions. Developing efficient catalytic conversion technologies to mitigate its environmental impact remains a research priority.

Scientifically, studying vinyl acetate’s elementary reactions offers insights into reaction kinetics. Such knowledge aids in designing superior catalysts, enhancing efficiency, and selectivity. Innovations in eco-friendly catalysis further align industrial processes with sustainability goals.

vinyl acetate’s elementary reactions not only elucidate chemical fundamentals but also propel industrial advancement. As technology evolves and societal needs shift, vinyl acetate and its reactions will continue to inspire innovation and application.