1、PEVA（聚乙烯—醋酸乙烯酯）_百度百科

PE = Polyethylene，聚 乙烯，是结构最简单的高分子 有机化合物，当今世界应用最 广泛的高分子材料，由乙烯聚合而成，根据密度的不同分为 高密度聚乙烯 、 中密度聚乙烯 和 低密度聚乙烯。

2、聚 (乙烯

聚 (乙烯-co-乙酸乙烯酯) vinyl acetate 40 wt. %, melt index (41-63 dg/min (190°C/2.16kg)), contains 190-910 ppm inhibitor; CAS Number: 24937-78-8; Synonyms: PEVA; Linear Formula: (CH2CH2)m [CH2CH (OCOCH3)]n at Sigma-Aldrich

3、聚醋酸乙烯酯 CAS#: 9003

聚乙酸乙烯酯能溶于多种有机溶剂，能与多种带双键的单体共聚，从而引入各种官能团，具有不同性能。 常作为黏合剂使用。 胶姆糖的基本胶基；果实被膜剂，可防止水分蒸发，起保鲜作用。 作胶姆糖基料，我国规定可用于乳化香精和胶姆糖，最大使用量为60g/kg。 在醋酸的存在下，以过氧化苯甲酰为引发剂，醋酸乙烯进行本体聚合；或以聚乙烯醇为分散剂，在溶剂中于70～90℃下进行溶液聚合2～6h (聚合度控制在250~600为宜)，即得产品。 由醋酸乙烯在醋酸存在下聚合而成，聚合度以250～600为宜，聚合完成后，树脂中残存的微量催化剂 (通常为过氧化物)、单体和 (或)溶剂经真空干燥、蒸汽汽提、洗涤或联合处理法除去。

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.

Poly (vinyl acetate) (聚醋酸乙烯酯)

Poly (vinyl acetate) 是一种广泛使用的粘合剂，用于多孔材料，如木材，纸张和布。 Poly (vinyl acetate) 是由 vinyl acetate (VAM) 聚合而成。

Ethylene Vinyl Acetate (EVA)

These materials combine the clarity and toughness of low-density polyethylene (LDPE) with enhanced flexibility, low-temperature performance and lower heat seal initiation temperatures—making them a strong choice for applications that demand both durability and versatility.

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。

聚醋酸乙烯酯polyvinyl acetate

简称PVA，醋酸乙烯酯经聚合生成的聚合物。 是无定形聚合物，外观透明、溶于苯、丙酮和三氯甲烷等溶剂。 1912年由F.克拉特发现，1925年加拿大沙维尼根化学公司投入工业化生产。 可用乳液聚合、悬浮聚合、本体聚合和溶液聚合四种方法生产。 乳液法产物直接用作涂料（见彩图）和胶粘剂等，俗称乳胶或白胶；溶液法产物用于制造聚乙烯醇和聚乙烯醇纤维。 聚醋酸乙烯酯玻璃化温度较低，仅28℃，因而在室温下有较大的冷流性，不能用作塑料制品，但它具有能与多种材料，尤其是与纤维素物质（如木材、纸等）粘接的优良性能，被广泛用作涂料、胶粘剂、纸和织物整理剂等（见造纸用化学品、染整助剂），如粘合木料的白胶水、粘接砖瓦的胶粘剂，透明胶纸带，砖石表 …

Ethylene Vinyl Acetate (EVA) Polymers

Ateva® G ethylene vinyl acetate (EVA) grades are used in medical plastic applications such as tubing, devices, medical bags, and packaging. These products are certified to meet USP Class VI standards.

EVA

EVA is a copolymer of ethylene and vinyl acetate monomer (VA). Its elasticity, heat sealing temperature, durability and permeability vary depending on the content of vinyl acetate monomers.

Polyethylene vinyl acetate (EVA) liquid is a high-molecular-weight material widely used in fields such as plastics, rubber, and coatings. It exhibits excellent chemical stability, mechanical properties, and processability, serving as a critical raw material for many high-performance products. This article will introduce the characteristics, applications, and future development trends of EVA liquid from the following aspects.

Characteristics of Polyethylene Vinyl Acetate Liquid

Polyethylene vinyl acetate (EVA) liquid is a thermoplastic elastomer synthesized from ethylene and vinyl acetate. It boasts good flexibility, wear resistance, and tear strength, along with superior resilience and low-temperature performance. Additionally, EVA liquid demonstrates high impact resistance and aging resistance, enabling it to maintain stable performance under harsh conditions.

Applications of Polyethylene Vinyl Acetate Liquid

1. Plastic Products: EVA liquid is extensively used in packaging films, thin films, foam boards, footwear materials, toys, and other plastic products. Its exceptional flexibility and tear resistance enhance the protection of enclosed items during transportation and storage.

2. Rubber Products: As a rubber modifier, EVA liquid improves wear resistance, aging resistance, and compressive strength. This makes it a key component in tires, seals, shock absorbers, and other rubber-based products.

3. Coatings Industry: EVA liquid’s film-forming ability and adhesion make it suitable for automotive coatings, marine coatings, furniture coatings, and more. Its low volatility and eco-friendly properties position it as a vital material in the coatings sector.

4. Other Industrial Fields: Beyond the above applications, EVA liquid is widely employed in electronic encapsulation materials, cable insulation, waterproof materials, and other industrial domains.

Future Development Trends of Polyethylene Vinyl Acetate Liquid

With technological advancements and rising environmental standards, the future development of EVA liquid will prioritize the following directions:

1. Green Production: Developing more environmentally friendly manufacturing processes to reduce energy consumption and emissions, minimizing environmental impact.

2. High Performance: Incorporating functional additives (e.g., flame retardants, antibacterial agents) to enhance EVA liquid’s performance for specialized applications.

3. Multifunctionalization: Creating EVA liquids with advanced features such as self-healing properties or smart responsiveness to adapt to evolving market demands.

4. Customized Solutions: Providing tailored EVA liquid formulations for specific industries and applications to increase product value.

5. Smart Manufacturing: Leveraging advanced information technology and automated equipment to achieve intelligent and automated production, improving efficiency and product quality.

polyethylene vinyl acetate liquid, as a critical high-molecular-weight material, will continue to leverage its unique advantages to drive innovation across industries. With ongoing technological progress and growing environmental awareness, EVA liquid is poised to expand its applications and deliver greater value in the future.