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、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.
3、PVAC （固体）, 聚醋酸乙烯酯（固体），粘结剂，光亮剂
GB12498-90 (07,001) CAS [9003-20-7] 1.PVAC化学性能 1.1 分子结构 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。 1.2 化学属性 聚乙酸乙烯酯的聚合度通常为100到5000。
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.
工业级PVAC – 聚醋酸乙烯酯
Nitchen聚乙酸乙烯酯HV-2fs是一种固体热塑性均聚物。透明无色树脂是通过醋酸乙烯酯的聚合制备的。HV-2 pvac树脂
聚醋酸乙烯酯乳液胶粘剂_百度百科
聚醋酸乙烯酯 (Polyvinyl Acetate, PVAc)乳液胶粘剂是以 乙酸乙烯酯 (VAc)作为反应单体在分散介质中经乳液聚合而制得的，也称聚乙酸乙烯酯乳液，俗称白乳胶或白胶，是 合成树脂 乳液中产量最大的品种之一。 1929年，德国的H.
聚乙酸乙烯酯
聚乙酸乙烯酯树脂是固体，无色透明；密度1.19克/厘米 3 （25℃），折射率1.467（20℃），玻璃化温度30～40℃，热变形温度50℃；易溶于甲醇、酮类、酯类、芳烃、氯代烃，不溶于无水乙醇、高级醇、烷烃、环己烷、水等。在阳光下稳定，在125℃以下稳定，150℃颜色变深，225℃分解，放出乙酸，生成 ...
聚醋酸乙烯酯 CAS#: 9003
ChemicalBook 致力于为化学行业用户提供聚醋酸乙烯酯的性质、化学式、分子式、比重、密度,同时也包括聚醋酸乙烯酯的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。
聚醋酸乙烯酯
产品 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。 Formula: [CH2CHCOOCH3]n
Poly (vinyl acetate
CAS号查询致力于为化学行业用户免费提供Poly (vinyl acetate的CAS号、中文名称、英文名称相互转换服务,同时也包括Poly (vinyl acetate的性质、化学式、分子结构、密度、熔点、沸点等信息。
In the vast realm of modern materials science, chemical synthesis and its applications are pivotal forces driving technological advancement and societal progress. Polyvinyl acetate (PVA), as a critical class of macromolecular material, has gained widespread utility across diverse fields due to its distinctive physicochemical properties.
Polyvinyl acetate is a thermoplastic polymer synthesized through free-radical polymerization of vinyl acetate monomers. Its malleability and ease of processing have enabled extensive applications in packaging materials, plastic films, adhesives, and more.
From a chemical perspective, the molecular structure of PVA consists of repeating vinyl units linked by carbon-carbon single bonds, forming a three-dimensional network. This architecture endows PVA with robust mechanical properties and chemical resistance, ensuring stability across various environments.
In industrial contexts, PVA’s exceptional transparency and flexibility make it a preferred choice for producing films, such as food and pharmaceutical packaging. These films effectively block moisture, oxidation, gases, and water vapor, safeguarding contents from environmental degradation.
In construction, PVA showcases unique applications. Its high tear resistance and durability render it suitable for floor coverings, enhancing safety and comfort. Additionally, PVA is employed in window and door sealing strips, pipeline insulation, and other building materials, significantly improving thermal performance and longevity.
Environmentally, PVA’s biodegradability stands out as a key advantage. Unlike conventional petroleum-based plastics, PVA decomposes naturally, reducing ecological harm. This trait has broadened its use in eco-friendly packaging, particularly in biodegradable plastic bags, positioning it as an ideal alternative to minimize pollution.
Nevertheless, PVA has limitations. Its poor heat resistance may lead to softening or deformation under high temperatures, while its susceptibility to acids and bases highlights较弱 chemical resilience.
To address these challenges, researchers explore novel synthesis methods, such as incorporating comonomers or cross-linking agents to enhance thermal stability and mechanical strength. Surface modification techniques also improve corrosion resistance, expanding PVA’s practical potential.
As a versatile material with immense promise, PVA plays irreplaceable roles in industry, construction, and sustainability. With ongoing innovation and material development, PVA is poised to contribute even more significantly to human progress, embodying the synergy between science and societal needs.
