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
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 (。
聚醋酸乙烯酯
Synonyms: Poly (vinyl acetate). CAS 9003-20-7. Browse 聚醋酸乙烯酯 and related products at Merck.
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。
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 …
Poly (vinyl acetate)
Polyvinyl acetate usually contains trace amounts of its precursor, vinyl acetate. One of the metabolites of vinyl acetate, acetaldehyde, is a known animal carcinogen.
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。
聚乙酸乙烯酯
乙酸乙烯酯-乙烯共聚物乳液适用范围广泛,性能优良,价格低廉,许多工业国都已大量生产,增长很快。 聚乙酸乙烯酯溶液或固体树脂,工业上也有使用,用溶液聚合、悬浮聚合或本体聚合制得,主要用作胶黏剂、聚乙烯醇和聚乙烯醇缩醛的原料、口香糖基料等。
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℃)。 可溶于丙酮、氯仿等溶剂,不溶于水及脂肪烃,酯基可水解生成聚乙烯 ...
Polyvinyl Acetate 69 (PVAc 69) is a critical high-polymer material widely used in coatings, adhesives, textiles, paper treatment, and other fields. Below is an article centered on "Polyvinyl Acetate 69" with over 1,000 words.
In modern industry, the research, development, and application of new materials are key drivers of technological progress. Polyvinyl Acetate 69 (PVAc 69), as a high-performance synthetic resin, represents a significant breakthrough in the field of material science. This article explores the properties, applications, and importance of PVAc 69 in contemporary society.
PVAc 69 is a high-polymer compound synthesized from vinyl acetate monomers, boasting excellent chemical stability, robust mechanical properties, and low water absorption. These characteristics make it an ideal base material for coatings and adhesives, maintaining superior performance across diverse environments.
Properties and Applications
-
High Water Resistance: PVAc 69 exhibits outstanding resistance to moisture, effectively shielding against water penetration. This is crucial for products like waterproof coatings, where it significantly prolongs the lifespan of the coating.
-
Adhesive Excellence: Due to its molecular structure, PVAc 69 forms strong bonds with various substrates, expanding its potential in construction, automotive industries, and more.
-
Superior Processability: Whether in molten or solution form, PVAc 69 maintains stable properties during processing, enabling widespread use in plastic manufacturing.
-
Eco-Friendly: Unlike traditional petroleum-based plastics, PVAc 69 is biodegradable, reducing environmental pollution. This characteristic opens new avenues for green packaging materials.
Importance and Future Prospects
Beyond its roles in conventional coatings and adhesives, PVAc 69 shows immense potential in emerging fields such as new energy, healthcare, and electronics. As technology advances, its applications will broaden, driving持续增长的市场需求。
Looking ahead, with continuous advancements in新材料技术, PVAc 69 is poised to play an even greater role in technological development. From smart sensors to wearable devices, from新能源汽车to智能家居, its unique properties will bring added convenience and innovation to daily life.
as a novel high-performance synthetic resin, PVAc 69’s distinctive attributes promise vast applications across multiple sectors. With ongoing technological progress, it will continue to contribute significantly to human society’s development.

