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。
3、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 (。
4、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.
5、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 …
聚醋酸乙烯酯 average Mw ~80,000
The purpose of this prospective study was to determine the effectiveness of polyurethane foam (PUF) and polyvinyl acetate (PA) as packing materials for reducing post-conchotomy bleeding, pain, and headaches.
中国聚醋酸乙烯酯制造商 CAS 9003
Polyvinyl alcohol (PVA) can be prepared through hydrolysis reactions; it can also be used as a monomer in the production of copolymers such as vinyl acetate-ethylene (EVA) and vinyl acetate-vinyl chloride.
聚醋酸乙烯酯 CAS#: 9003
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。 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。
Polyvinyl Acetate_化工百科
Polyvinyl 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，可用于制成各种形状的塑料 ...
聚乙烯醋酸酯
聚乙烯醋酸酯（Polyvinyl acetate，PVAc），又称聚醋酸乙烯酯、 白乳胶，CAS号为9003-20-7。 分子式为 [CH2CHCOOCH3]n，属热塑性合成树脂，呈透明至浅黄色固体，密度1.19±0.1g/cm³，折射率1.467（20℃）。
In numerous fields of modern industry, the selection and application of materials are key factors driving technological progress and economic development. Polyvinyl Acetate 992, as a high-performance engineering plastic, plays a critical role in various sectors due to its excellent mechanical properties, chemical stability, and favorable processing characteristics. This article provides an in-depth exploration of the properties of Polyvinyl Acetate 992 and its applications across different industrial domains, aiming to offer readers a comprehensive and detailed understanding.
Polyvinyl Acetate 992 is a thermoplastic polymer with superior mechanical properties, including high strength and exceptional impact resistance. This material maintains structural stability under significant external forces while absorbing and dissipating energy during impacts, effectively reducing the likelihood of crack propagation. These attributes make it an ideal choice for manufacturing components requiring high durability and shock resistance, such as automotive parts, electronic device casings, and other critical applications.
Additionally, Polyvinyl Acetate 992 exhibits excellent chemical stability, resisting corrosion from acids, alkalis, and solvents. This characteristic is particularly valuable in industries like chemicals and petroleum, where it is used to fabricate equipment and pipelines, preventing corrosion and extending service life.
The material’s processability is another key factor contributing to its widespread use. It can be easily extruded, blow-molded, or injection-molded, and finished products require no additional post-treatment. This simplifies production, reduces costs, and enhances efficiency. Furthermore, its electrical insulation properties and flame retardancy have made it a preferred material in the electrical and electronics industries.
In the automotive sector, Polyvinyl Acetate 992 is widely employed in components such as bumpers, dashboards, and engine parts. These parts demand not only high strength and impact resistance but also chemical resistance and ease of manufacturing—all of which the material delivers.
In electronics, it is used to produce housings, brackets, and connectors for devices. These applications require electrical insulation, flame retardancy, and sufficient mechanical strength, making Polyvinyl Acetate 992 a versatile solution.
The construction and building materials industry also leverages Polyvinyl Acetate 992 for manufacturing structural components and materials. These products must balance mechanical strength, chemical resistance, processability, and environmental compatibility—criteria that the material satisfies seamlessly.
Polyvinyl Acetate 992, with its outstanding mechanical properties, chemical stability, and processability, serves as a cornerstone material in multiple industrial fields. As technology and industry advance, its application scope is expected to expand further, driving innovation and growth across sectors.
