1、聚乙酸乙烯酯_百度百科

聚乙酸乙烯酯（PVAC），又名聚醋酸乙烯酯。 是乙酸乙烯酯（醋酸乙烯酯）的聚合物，化学式为 (C4H6O2)n，无色黏稠液或淡黄色透明玻璃状颗粒，溶于苯、丙酮和三氯甲烷等溶剂。

2、Polyvinyl Acetate

It is soluble in low-molecular-weight alcohols, esters, and chlorinated hydrocarbons. PVAc is tasteless and odorless, with the exception of a faint odor. The ester groups of polyvinyl acetate are susceptible to base hydrolysis, converting PVAc to polyvinyl alcohol and acetic acid over time.

3、Polyvinyl Acetate Emulsion（PVAC）

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Polyvinyl Acetate Emulsions & Derivatives (PVAc)

Find the perfect Polyvinyl Acetate Emulsions & Derivatives (PVAc)! Explore properties, benefits and top products for Adhesives and Sealants portfolio.

Polyvinyl Acetate Emulsions – Product Applications

Vinyl acetate monomer, which is prepared from ethylene by reaction with oxygen and acetic acid over a palladium catalyst, is polymerized while dispersed in water to form a milky-white polyvinyl acetate emulsion (hereinafter referred to as PVAc).

PVAc EMULSION

These are mainly used in woodworking and furniture manufacture, in the paper and packaging industry, in screen printing photo emulsion as well as metal polish and furniture and floor care products...

Polyvinyl Acetate (PVAc) Emulsion Adhesives – 10 Typical

For chemists and formulators working with PVAc emulsions, having clear references on materials and processes can save time and improve product performance. The following is a technical summary...

Polyvinyl Acetate and Vinyl Acetate

In this research work, the vinyl acetate (VAc)/ VAE hybrid emulsion and polyvinyl acetate emulsion (PVAc) were effectively synthesized. Emulsions with various characteristics have been developed by adjusting the weight ratios between the vinyl acetate monomer and the VAE component.

Improvement in hardwood bonding strength of polyvinyl acetate emulsion

A stable polyvinyl acetate (PVAc) emulsion was synthesized via redox-initiated free radical polymerization.

Polyvinyl acetate and polyurethane

The polyvinyl acetate emulsion (PVAc) and vinyl acetate/water-based polyurethane hybrid emulsions were successfully prepared in this research work.

Polyvinyl acetate (PVAc), also known as polyvinyl acetate ester, is a copolymer of vinyl acetate and vinyl alcohol. This polymer exhibits unique properties that make it versatile for various applications in materials science. This article explores the fundamental characteristics of PVAc and its diverse industrial uses.

Properties of Polyvinyl Acetate Ester

1. Chemical Structure: PVAc comprises long chains of alternating vinyl acetate and vinyl alcohol units. This structure endows it with exceptional flexibility, toughness, and adhesive properties, making it suitable for a broad range of industrial applications.

2. Solubility: PVAc is soluble in polar solvents such as water, alcohol, and dimethylformamide, as well as nonpolar solvents like benzene and toluene. This solubility facilitates easy processing and shaping into various forms.

3. Mechanical Properties: PVAc demonstrates strong mechanical performance, including high tensile strength, elongation at break, and impact resistance. It also exhibits thermal stability and minimal shrinkage during curing, rendering it ideal for construction materials, packaging, and other durable products.

4. Biodegradability: As a biodegradable polymer, PVAc can be decomposed by microorganisms in nature. This eco-friendly characteristic makes it valuable for applications in agriculture, waste management, and sustainable materials.

Applications of Polyvinyl Acetate Ester

1. Construction Materials: PVAc is widely used in wall panels, floor tiles, and roofing due to its high strength, durability, and resistance to environmental factors.

2. Packaging: It serves as a barrier material in food containers, pharmaceutical packaging, and beverage bottles, effectively preventing leakage and contamination.

3. Agricultural Films: PVAc films are employed in greenhouses, soil moisture retention, and crop protection. They balance pest/disease defense with air permeability, enhancing agricultural productivity.

4. Adhesives: PVAc-based adhesives are popular in automotive, furniture, and electronics industries due to their strong bonding capabilities and compatibility with diverse materials.

5. Coatings: Used in coatings for textiles, leather, and printing, PVAc provides gloss, colorfastness, and scratch resistance, improving surface quality and longevity.

6. Medical Devices: PVAc is utilized in catheters, surgical instruments, and contact lenses due to its biocompatibility, sterilizability, and non-toxic nature.

Polyvinyl acetate ester is a highly adaptable polymer with applications spanning construction, packaging, agriculture, healthcare, and more. Its combination of mechanical strength, biodegradability, and processability ensures its continued relevance in innovative industrial solutions. Future research may unlock even broader uses for this versatile material.