1、碳酸亚乙烯酯_百度百科
碳酸亚乙烯酯（Vinylene Carbonate），又称1,3-二氧杂环戊烯-2-酮、乙烯碳酸酯，化学式C3H2O3，CAS登录号872-36-6，属于不饱和有机化合物。 常温下为无色透明液体，密度1.36 g/cm³，熔点19-22°C，沸点162°C，性质稳定且不溶于水。
2、Simulation study on the co
Vinyl acetate-ethylene copolymer is an important chemical product, which is formed by the polymerization of vinyl acetate and ethylene, which involves complex reactions and lacks kinetic parameters.
3、Solvent Effect in the Copolymerization of Ethylene and Vinyl Acetate
The copolymerization of ethylene vinyl acetate (VAc) at 4.0 MPa and 75 °C has been studied experimentally and computationally in four organic solvents, namely, methanol (MeOH), tert-butyl alcohol (...
4、(PDF) Free Radical Copolymerization of Ethylene with Vinyl Acetate
This work highlights a medium pressure and temperature radical polymerization process in organic solvents for the synthesis of ethylene–vinyl acetate copolymers (EVA).
5、Ethylene
Global consumption of ethylene-vinyl acetate (EVA) copolymers is heavily concentrated in Eastern Asia, especially in mainland China, where demand growth has far surpassed the mature markets in North America, Japan and Europe.
Ethylene and Vinyl Acetate — Unveiled Through Material Testing
Learn more about Ethylene and Vinyl Acetate (EVA) to understand its composition and unique properties, which provides an in-depth knowledge of the composition.
PubChem
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Ethylene Vinyl Acetate Copolymers
, Catalysts for the gas-phase oxidation of ethylene and acetic acid to vinyl acetate, a process for producing them and their use, US Patent 6 849 243, assigned to Celanese Chemicals Europe GmbH (DE), February 1,
Vinyl Ethylenecarbonate_化工百科
利用量子化学计算,循环伏安,电化学阻抗及充放电测试等方法,考察了电解液成膜添加剂碳酸乙烯亚乙酯 (VEC)对锂离子电池性能的影响.量子化学计算结果表明:VEC具有较低的分子最低空轨道 (LUMO)能量值.循环伏安及交流阻抗测试表明:碳酸乙烯亚乙酯的还原电位为1.2 V ( vs.Li/Li+),优先于电解液在负极表面发生电化学反应形成电解质相界面 (SEI)膜.该膜较稳定,可提高电池的循环性能,并抑制电池气胀.SEI膜阻抗较大,不利于电极的嵌脱锂反应,导致首次充放电容量及效率较低. 关键词： 锂离子电池；电解液；成膜添加剂；碳酸乙烯亚乙酯（VEC） DOI： 10.3969/j.issn.1001-1579.2012.05.007. 被引量： 年份： 2012.
Ethylene Carbonate: The "magic solvent" of green chemistry
As an organic solvent with excellent properties, Ethylene Carbonate can dissolve a variety of polymers, such as nitrocellulose, cellulose acetate, polyvinyl acetate, etc. Compared with traditional organic solvents, it has lower toxicity and volatility and is safer and more reliable.
In the vast realm of chemistry, organic chemistry captivates countless scientists with its unique charm. Among the most dynamic fields of chemical research is organic synthesis, which not only deepens our understanding of the material world but also delivers boundless convenience to humanity. Within this expansive domain, ethylene carbonate and vinyl acetate—two critical organic compounds—have long been focal points for scientific inquiry due to their preparation methods and applications.
Ethylene Carbonate, a compound with a distinctive structure featuring a carbonyl group and a carbon-oxygen double bond, exhibits exceptional properties and promising applications. Its synthesis typically involves the reaction of ethylene gas with an alcohol. In this process, the alcohol acts as a nucleophile, undergoing an addition reaction with ethylene to form stable ethylene carbonate. Meticulous control of reaction conditions—such as temperature, pressure, and catalyst selection—is essential, alongside a deep understanding of the reaction mechanisms.
Vinyl Acetate, also known as acetylene, is a common derivative of organic acids. Its molecular structure, characterized by a carbonyl group and a carbon-oxygen double bond, is relatively simple. The preparation of vinyl acetate similarly relies on the reaction between ethylene and an alcohol, but here, acetic acid serves as the nucleophile. Through an acylation reaction, it combines with ethylene to yield vinyl acetate. Precise regulation of reaction parameters is crucial to ensure product purity and quality.
Both compounds find widespread use in scientific research and industrial applications. For instance, they serve as precursors for materials such as plastics, rubbers, and coatings, which boast elasticity, wear resistance, and chemical stability. These materials permeate daily life, from packaging to construction. Additionally, ethylene carbonate’s antibacterial and fungistatic properties render it valuable in pharmaceuticals and agriculture.
Environmental considerations also highlight the significance of these compounds. Due to their carbon-oxygen double bonds, ethylene carbonate and vinyl acetate undergo photooxidation in natural settings, degrading into carbon dioxide and water. This process mitigates environmental pollution while fostering resource recycling, underscoring the importance of studying their degradation mechanisms for sustainable development.
escalating technological demands pose new challenges for producing and applying these compounds. Scientists must innovate synthetic methodologies to enhance efficiency and reduce costs while rigorously assessing their environmental impacts to inform eco-friendly policies.
As pillars of organic synthesis, ethylene carbonate and vinyl acetate exemplify chemistry’s transformative power. Looking ahead, these compounds are poised to drive progress and innovation, shaping a healthier, more sustainable future for society.
