1、聚乙酸乙烯酯_百度百科

聚乙酸乙烯酯（Polyvinyl acetate，简称PVAc）的研究始于20世纪初。 1912年，德国化学家Fritz Klatte首次通过乙酸乙烯酯的聚合合成了该物质，并获得了相关专利。 在1920年代，随着聚合技术的进步，聚乙酸乙烯酯开始工业化生产，最初用于制造安全玻璃的中间层。

2、Polyvinyl acetate (PVAc)

polyvinyl acetate (PVAc), a synthetic resin prepared by the polymerization of vinyl acetate. In its most important application, polyvinyl acetate serves as the film-forming ingredient in water-based (latex) paints; it also is used in adhesives.

3、聚醋酸乙烯酯

聚醋酸乙烯酯（Polyvinyl acetate，也称作聚乙酸乙烯酯，简称PVA、PVAc）是一种有弹性的合成聚合物。 聚醋酸乙烯酯是通过醋酸乙烯酯（VAM）的聚合而制备的。 聚乙酸乙烯酯的聚合度通常为100至5000。 聚乙酸乙烯酯的酯基对碱敏感并且会缓慢地将PVAC转化为聚乙烯醇和乙酸。 在碱性条件下，硼化合物（例如硼酸或硼砂）会导致聚合物交联，形成粘性沉淀物或粘液 我们提供的PVAC分为颗粒、切片和粉末，涵盖高、中、低分子量的等级。 它呈晶莹剔透、无杂质、无金属屑颗粒、颗粒细小、分散性优良、使用方便。 易溶于苯、丙酮。 特有性能：粘合性、防缩性、防翘曲性、抗疲劳性、抗冲击性、防水性、增光性。 特色应用：粘合剂、玻璃钢不饱和树脂、汽车头灯 …

4、Poly (vinyl Acetate)

PVA is a colorless, usually nontoxic thermoplastic adhesive prepared by the polymerization of vinyl acetate. PVA was discovered in 1912 by Dr. Fritz Klatte in Germany. It is one of the most widely used water-dispersed adhesives.

Poly (vinyl acetate)_化工百科

Poly (vinyl acetate) - 简介 聚醋酸乙烯酯，也被称为聚乙烯酸乙酯，是一种聚合物材料。 性质： 1. 聚醋酸乙烯酯是无色至微黄色的固体，在常温下呈现为高透明度和玻璃状的外观。 2. 具有良好的耐化学性，耐溶剂性和耐热性。 3. 高度可塑，可用于制成各种 ...

Poly (vinyl acetate)

Polyvinyl acetate is a rubbery synthetic polymer. It is a component of glue and is used mainly as an adhesive for porous materials, particularly for wood, paper, and cloth.

PVAC (聚醋酸乙烯)_中文百科全書

PVAC，Polymer vinyl acetate， 醋酸乙烯 樹脂 (vinyl acetate resin)或 乙酸乙烯 樹脂。 由醋酸乙烯聚合而得的 無定形 聚合物。

Polyvinyl Acetate (PVAc)

Explore the properties, production, applications, and safety aspects of Polyvinyl Acetate (PVAc), a widely used synthetic polymer.

聚乙酸乙烯酯 CAS#: 9003

聚乙酸乙烯酯（Polyvinyl Acetate），又称聚醋酸乙烯酯，英文简称PVAC，外观为白色粘稠液体或淡黄色细粉或玻璃块状，无臭，透明，韧性强。 不溶于水、脂肪，溶于乙醇、乙酸乙酯等醇类或脂类。 遇光、热不易变色，不易老化。

Vinaltex™ Polyvinyl Acetate (PVAc)

Vinaltex™ polyvinyl acetate (PVAc) are versatile, thermoplastic polymers widely used in solvent-based adhesive systems. These polymers find applications in markets such as parquet flooring, heat- seal adhesives and in solvent-based hobby glues.

In the vast realm of chemistry, the study of synthetic polymers has always been a hot topic of scientific exploration. Among them, polyvinyl acetate (PVAc) stands out as an important class of synthetic polymer materials. Its unique physical and chemical properties have enabled widespread applications across multiple fields. This article delves into the synthesis methods, structural characteristics, application ranges, and significance of PVAc in modern technology.

I. Synthesis Methods

The synthesis of polyvinyl acetate primarily relies on free radical polymerization. This method utilizes initiators to activate the double bonds of monomers under high-temperature conditions, forming polyvinyl alcohol chains. The specific steps include:

1. Dissolving vinyl acetate monomers in an appropriate solvent;
2. Adding initiators and controlling the reaction temperature;
3. Adjusting reaction conditions to regulate the molecular weight and properties of the polymer.

II. Structural Characteristics

Polyvinyl acetate is a thermoplastic polymer with excellent transparency and flexibility. Its molecular chains contain numerous polar groups, such as hydroxyl and carboxyl groups, which endow it with good water solubility, acid resistance, and alkali resistance. Additionally, PVAc exhibits high mechanical strength and tensile strength, enabling it to withstand significant external forces.

III. Application Fields

Due to its distinctive properties, PVAc is widely used in various domains:

• Packaging Materials: PVAc films are prized for their superior transparency and waterproof performance, making them ideal for food and pharmaceutical packaging.
• Construction: PVAc panels are employed in residential and commercial buildings for roofs and walls due to their sound insulation and thermal insulation properties.
• Consumer Goods: Applications include shoe soles, carpets, toys, as well as decorative materials like artificial leather and wallpaper.

IV. Significance in Modern Technology

As technology advances, the demand for high-performance materials grows. PVAc has become indispensable in modern science and industry:

• Electronics: Its high electrical insulation and low dielectric constant make it suitable for protective layers in circuit boards.
• Automotive Industry: PVAc composites, known for their lightweight and high strength, are used in auto parts and interiors.
• Biomedicine: PVAc shows promise in drug delivery systems as a carrier material for controlled drug release.

As a material with broad application prospects, PVAc plays a critical role in modern technology. With ongoing advancements in material research, PVAc is expected to demonstrate even greater performance in future applications. Concurrently, attention must be paid to environmental impacts during production and usage, striving toward the goal of green and sustainable development.