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。
2、聚乙酸乙烯酯
乙酸乙烯酯（醋酸乙烯酯）的聚合物。 英文缩写为PVAc。 又称聚醋酸乙烯酯。
3、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.
4、PVAC
妮秦集团生产的聚醋酸乙烯酯PVAC树脂广泛应用于玻璃钢SMC/BMC模压工艺的低收缩剂，环保胶水等领域，以及食品级酵母糖胶基。
5、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
聚乙酸乙烯酯Polyvinyl acetate 分子式 (C4H6O2)n分子结构式 简称PVAC。 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.
聚乙酸乙烯酯 (PVAC):物理性質,化學性質,數據圖表,穩定性
聚乙酸乙烯酯（polyvinyl acetate），又名 聚醋酸乙烯酯。 是 乙酸乙烯酯 （醋酸乙烯酯）的 聚合物。 英文縮寫為PVAc。 簡稱PVAc，醋酸乙烯酯經聚合生成的 聚合物。 是無定形聚合物，外觀透明、溶於 苯 、 丙酮 和 三氯甲烷 等溶劑。
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.
Polyvinyl acetate: Properties, Production process and Uses
PVAc is a transparent glassy substance at room temperature. It is a colorless, odorless, nontoxic, thermoplastic and water-insoluble polymer. In the presence of an acid or alkali, it can be alcoholyzed to produce PVA. PVAc has high stability to light and hardly ages under the action of light.
Polyvinyl acetate (PVAc) is a homopolymer synthesized from vinyl acetate monomers. It is a thermoplastic material characterized by flexibility, UV resistance, and robust mechanical properties, making it widely applicable in industries such as packaging, automotive, electronics, and construction. This article explores its fundamental properties, applications, and future potential.
Basic Properties:
PVAc is a semi-crystalline polymer with a glass transition temperature (Tg) of approximately 65°C. At room temperature, it exhibits softness and flexibility, while its strength and toughness improve with increasing temperature. Its molecular weight typically ranges from 10,000 to 200,000 Da, with a narrow distribution that enhances crystallinity and thermal stability.
The polymer demonstrates high UV resistance, suiting it for outdoor applications like advertising materials and protective packaging. Additionally, its chemical inertness makes it suitable for medical devices, including contact lenses and disposable gloves.
Applications:
- Packaging: PVAc films are prized for their barrier properties, moisture resistance, and low water vapor permeability, finding extensive use in food and pharmaceutical packaging.
- Automotive: It is employed in interior/exterior trim components, bumpers, and transparent parts like windows and sunroofs due to its durability and optical clarity.
- Electronics: PVAc serves in circuit boards, connectors, flexible cables, and insulating tapes, leveraging its electrical resistance and malleability.
- Construction: The material is used for structural panels, roofing, cladding, and weatherproof sealants, combining durability with ease of processing.
Future Prospects:
Growing environmental concerns are driving research into sustainable PVAc production and recycling. Innovations in polymerization techniques and closed-loop recycling systems aim to enhance eco-friendliness. Additionally, functionalizing PVAc—such as integrating it into composites—may improve mechanical and thermal performance while reducing costs.
PVAc’s versatility and advantageous properties cement its role across diverse industries. As sustainability becomes paramount, advancements in material science and recycling will likely expand its applications, ensuring its relevance in modern materials engineering.
