1、Progress in Vinyl Acetate

In this paper, the production process of vinyl acetate is introduced comprehensively.

2、Catalytic Transfer Vinylation of Alcohols

There are different reported procedures for the vinylation of alcohols. Those, which exclude transfer vinylation and can afford higher than 50% yields of vinyl ethers, are summarized in Table 1. Entry 1 represents the use of acetylene for the reaction.

3、Catalytic Transfer Vinylation of Alcohols

Abstract This review focuses on summarising the studies on transition metal catalysed transfer vinylation of alcohols using vinyl ethers and vinyl acetate as vinylating agents.

Theoretical study on the synthesis of vinyl acetate from acetylene and

In this study, we used density functional theory (DFT) to calculate the feasibility of preparing vinyl acetate (VAc) on four CN non-metallic materials (C 2 N, C 3 N, C 4 N and C 5 N) under the reaction conditions of 1 atm, 393.15–493.15 K at B3LYP/6-31G (d, p) level.

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.

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.

Vinyl Acetate Application and Preparation in China: Industry Uses

Discover expert insights on the application and preparation of vinyl acetate, including industrial uses, synthesis methods, safety guidelines, and market trends in China.

Progress in Vinyl Acetate Production Process

The technological progress in vinyl acetate production process is introduced, including the latest achievements in reaction kinetics study and reaction process, catalyst preparation process and reactor structure optimization.

OPTIMIZATION OF VINYL ACETATE PRODUCTION PROCESS

First, ethylene undergoes an oxy-acetylation reaction by forming vinyl acetate. The standard heat of this reaction is minus 176.2 kJ/mol. The previous technologies of synthesis are based on the...

Preparation Methods of Vinyl Acetate

The present disclosure relates to a preparation method of vinyl acetate by an ethylene process, in particular to a preparation method of vinyl acetate by an ethylene process for high-purity products and a device thereof.

In the modern textile industry, the widespread application and importance of Vinylon (polyvinyl alcohol fiber) are self-evident. Not only does it become a preferred material for numerous textiles due to its exceptional properties, but it also serves as a crucial component of the green textile industry because of its environmentally friendly and sustainable characteristics. This article aims to explore vinyl acetate (VAc) as a key raw material for Vinylon production, covering its manufacturing process, applications, and future development directions.

1. Production and Applications of Vinyl Acetate

Vinyl acetate is an essential organic chemical raw material widely used in the production of plastics, adhesives, coatings, and synthetic fibers. Among these, Vinylon—a high-performance synthetic fiber—stands out for its excellent abrasion resistance, tear strength, and chemical stability, making it indispensable in various industrial fields.

1. Production Methods

Vinyl acetate is primarily synthesized through the polymerization reaction of ethylene and acetic acid. This process requires precise control of reaction conditions, including temperature, pressure, catalyst type, and dosage, to ensure high purity and low molecular weight of the resulting vinyl acetate.

2. Application Areas

• Vinylon: As the foundational material for Vinylon production, vinyl acetate enables the creation of fibers with high tensile strength, modulus, low elongation, and superior chemical resistance. These properties make Vinylon ideal for applications such as canvases, fishing nets, and ropes.
• Other Polymers: Vinyl acetate is also utilized in producing polymers like acrylic resins, polyvinyl alcohol (PVA), and polyvinyl chloride (PVC). These products play critical roles in construction, packaging, agriculture, and more.

2. Performance and Advantages of Vinylon

Vinylon’s unique physical and chemical properties render it exceptional across multiple domains.

1. Physical Properties

Vinylon exhibits high strength, high modulus, and low elongation, ensuring structural integrity under external forces. Its abrasion and tear resistance further enhance durability in demanding applications.

2. Chemical Properties

Vinylon demonstrates strong resistance to most chemicals, including acids, alkalis, and salt solutions. This characteristic makes it a preferred choice in chemical industries, such as for filter materials and corrosion-resistant product manufacturing.

3. Environmental Sustainability

The production and application of Vinylon have minimal environmental impact. Vinyl acetate, as a renewable resource, can be recycled to reduce ecological burdens. Additionally, Vinylon’s long service life minimizes resource waste.

3. Future Prospects and Challenges

With technological advancements and growing environmental awareness, Vinylon and its production technologies face both opportunities and challenges.

1. Technological Innovation

Developing more efficient and eco-friendly production techniques to improve vinyl acetate conversion rates, product quality, and cost-effectiveness is a key focus. Exploring novel polymerization methods and catalysts to broaden raw material sources and enhance performance remains a critical goal.

2. Expanding Applications

Emerging material technologies may unlock new applications for Vinylon. For example, modifying or hybridizing Vinylon with other high-performance fibers could create specialized products tailored to specific industries.

As a cornerstone raw material for Vinylon production, vinyl acetate showcases immense potential and value. Through continuous innovation and optimization, Vinylon and its derivatives will play an increasingly vital role in materials science and the textile industry. Aligned with environmental protection and sustainability requirements, the production and application of Vinylon will advance toward greener, more efficient practices, contributing significantly to human progress.