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、PVAC

从2014年初开始，妮秦集团开始生产聚醋酸乙烯酯和PVAC固体树脂。 妮秦集团生产的聚醋酸乙烯酯是在德国技术支持下在工厂生产的，我们的 PVAC 主要生产用于 SMC/BMC、拉挤成型、粘合剂和胶基的聚醋酸乙烯酯 (PVAC)。

3、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。

Polyvinyl Acetate

Polyvinyl Acetate pvac resins produced by Nitchen have various molecular weight and viscosity. The solid polyvinyl acetate pvac resin can be easily dissolve in organic solvents. It is designed for multiple applications.

聚醋酸乙烯酯_化工百科

中文名:聚醋酸乙烯酯,英文名:Poly (vinyl acetate),CAS:9003-20-7,化学式:C4H6O2,分子量:86.08924,密度:1.18 g/mL at 25 °C,熔点:60°C,沸点:70-150 °C,闪点:>100℃,蒸汽压:86.3mmHg at 25°C,折射率:n20/D 1.467,MSDS.

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.

PVAC （固体）, 聚醋酸乙烯酯（固体），粘结剂，光亮剂

此产品是一种橡胶合成树脂，属于聚乙烯之类一族，通用分子式- [RCOOCHCH2]-，具有热塑性。 聚乙酸乙烯酯的聚合度通常为100到5000。 聚乙酸乙烯酯及其酯类对碱较为敏感，在碱性条件下PVAC能缓慢分解为聚乙烯醇和乙酸。 游离态酸 (CH3COOH): ≤ 0.05%. 挥发物含量: ≤ 1.0%. 铅含量 (Pb): ≤ 1.0mg/kg. 砷含量 (As): ≤ 3.0mg/kg. 溶解性：易溶于甲醇，酮，酯，芳香烃，氯化烃，不溶于乙醇，高级醇，烷烃，环己烷，水等。 稳定性: 阳光下稳定，125℃以下稳定，150℃时颜色开始变深，225℃时分解释放出乙酸和棕色酯类不溶解物质。 我们以控制聚合反应的各种条件，得到不同分子量的产品，用于不同的领域，满足不同的应用需求。 软化点 (。

Polyvinyl Acetate (PVAc)

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

Polyvinyl Acetate

Polyvinyl acetate (PVAc) and polyvinylpyrrolidone (PVP) are two versatile vinyl polymers that can be used to create many medical and pharmaceutical materials, such as hydrogels and sponges.

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. While polyvinyl acetate itself is not considered hazardous, it usually contains trace amounts of its precursor, vinyl acetate, which is toxic. (L1301, L1302)

Polyvinyl acetate (PVAc) is a common polymer material widely used in various fields, such as construction, packaging, textiles, and more. This article explores the physical properties, chemical properties, applications, and future development trends of PVAc.

1. Physical Properties

PVAc is a thermoplastic polymer characterized by good transparency and flexibility. It has a melting point of approximately 170°C and gradually softens and melts when heated. PVAc exhibits strong tensile strength and impact resistance, enabling it to withstand external forces during product manufacturing. Additionally, it demonstrates high thermal stability, maintaining its integrity even at elevated temperatures.

2. Chemical Properties

PVAc is a non-toxic, odorless, and tasteless polymer. While it is not flammable, it releases toxic smoke when burned. It shows excellent corrosion resistance to most chemicals, though specific conditions may induce chemical reactions. For instance, PVAc degrades in alkaline environments but dissolves in acidic ones.

3. Applications

1. Construction Materials: Due to its transparency and flexibility, PVAc is widely used in windows, doors, flooring, and ceilings. It provides effective sound insulation and is easy to cut and install.

2. Packaging Materials: PVAc films offer superior barrier properties, making them suitable for food and pharmaceutical packaging. Their moisture-resistant and mold-proof qualities also ensure durability in humid environments.

3. Textiles: PVAc fibers, known for their softness and comfort, are commonly used in underwear, socks, and bedding. They can also be blended with other fibers to enhance wear resistance and wrinkle resistance.

4. Other Applications: PVAc is utilized in shoe soles, toys, automotive parts, and more. Its exceptional abrasion resistance, impact resistance, and oil resistance make it versatile across industries.

4. Future Development Trends

Advances in technology and evolving market demands will expand PVAc’s application scope. Key trends include:

1. High Performance: Improving production processes to enhance properties like heat resistance and mechanical strength for specialized applications.

2. Eco-Friendliness: Developing environmentally sustainable PVAc production methods to reduce pollution and promote green development.

3. Multifunctionality: Combining PVAc with functional materials to create new products with diverse advanced properties.

4. Smart Manufacturing: Leveraging modern information technology for intelligent process control, boosting efficiency and product quality.

polyvinyl acetate, as a critical polymer material, holds vast potential and growth prospects. Through continuous research and innovation, PVAc is poised to play a larger role in more fields, contributing significantly to human progress.