epoxide

简明释义

英[ɪˈpɒksaɪd]美[eˈpɑːksaɪd]

n. [有化] 环氧化物

英英释义

单词用法

同义词

反义词

例句

1.This paper describes the device, mold and technology for pultrusion of epoxide composite. The principle and optimum parameters were probed.

介绍了环氧复合材料拉挤的设备、模具及工艺，并对环氧树脂拉挤的基本原理及最佳工艺参数进行了探讨。

2.Application: Mainly used as raw material of polyimide, solidifying agent of epoxide resin.

用途：主要用作聚酰亚胺的原料，环氧树脂的固化剂。

3.A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环氧乙烷加成法研制成乳化剂，进而获得一种新型染料防尘剂。

4.It was found that the ring opening polymerizations of epoxide based monomers with THEIC can be carried out in a heterogeneous medium smoothly.

发现THEIC与环氧单体可在非均相体系中平稳地进行阳离子开环聚合反应。

5.Expounded in this article is divided into three chapters, which are summarized as follows:1. Epoxide and its derivatives are important triatomic heterocyclic compounds.

本文共分三章进行论述，其摘要如下：1。环氧化合物是一种重要的含氧三元杂环化合物。

6.On the basis of which, the influence of the induction of propylene epoxide structural unit to the application properties of DA dyeing assistants was reviewed.

在此基础上，又考查了环氧丙烷结构单元的引入对染色助剂应用性能的影响。

7.The reaction produced a compound known as an epoxide, which is often used in the synthesis of pharmaceuticals.

该反应产生了一种被称为环氧化物的化合物，通常用于药物的合成。

8.In polymer chemistry, epoxides are used to create cross-linked networks that enhance material properties.

在聚合物化学中，环氧化物用于创建交联网络，从而增强材料性能。

9.The presence of an epoxide group can significantly increase the reactivity of organic compounds.

一个环氧化物基团的存在可以显著增加有机化合物的反应性。

10.Researchers are exploring how epoxides can be utilized in green chemistry to reduce environmental impact.

研究人员正在探索如何在绿色化学中利用环氧化物以减少环境影响。

11.One common method for synthesizing epoxides is through the oxidation of alkenes.

合成环氧化物的一种常见方法是通过烯烃的氧化。

作文

Epoxides are a fascinating class of organic compounds that play a significant role in various chemical processes and industrial applications. An epoxide, also known as an oxirane, is characterized by a three-membered cyclic ether structure that contains an oxygen atom and two carbon atoms. This unique structure imparts distinct chemical properties to epoxides, making them highly reactive and versatile intermediates in organic synthesis. The significance of epoxides extends beyond their structural uniqueness; they are widely used in the production of polymers, resins, and other materials. In this essay, we will explore the importance of epoxides, their applications, and the mechanisms through which they participate in chemical reactions. The reactivity of epoxides can be attributed to the strain present in their three-membered ring structure. This strain makes epoxides more susceptible to nucleophilic attack, allowing them to undergo various chemical transformations. For instance, when epoxides react with nucleophiles, such as amines or alcohols, they can open up their ring structure, leading to the formation of diols or amino alcohols. This reaction is not only important for synthesizing complex molecules but also for creating functionalized compounds that have specific properties suited for different applications. One of the most notable applications of epoxides is in the production of epoxy resins. These resins are formed by the polymerization of epoxide monomers, resulting in materials that exhibit excellent mechanical strength, chemical resistance, and thermal stability. Epoxy resins are widely utilized in various industries, including construction, automotive, and aerospace, due to their durability and adhesive properties. The versatility of epoxy resins allows them to be used in coatings, adhesives, and composite materials, making them indispensable in modern manufacturing processes. In addition to their use in resin production, epoxides also find applications in the pharmaceutical industry. Many drugs and bioactive compounds contain epoxide functional groups, which can influence their biological activity. For instance, certain epoxide-containing compounds have been shown to exhibit antimicrobial and anticancer properties. Researchers continue to investigate the potential of epoxides in drug design and development, aiming to harness their unique reactivity for therapeutic purposes. Furthermore, the environmental implications of epoxides cannot be overlooked. While they are valuable in many industrial applications, some epoxide compounds can be toxic and pose risks to human health and the environment. For example, epichlorohydrin, an epoxide used in the production of epoxy resins, is classified as a probable human carcinogen. As a result, it is essential to handle these compounds with care and to develop safer alternatives where possible. In conclusion, epoxides are an important class of compounds that play a crucial role in various chemical processes and applications. Their unique three-membered ring structure confers distinct reactivity, making them valuable intermediates in organic synthesis and essential components in the production of epoxy resins and pharmaceuticals. As research continues to uncover the potential of epoxides, it is vital to consider both their benefits and the associated risks. By advancing our understanding of epoxides, we can better utilize their properties while ensuring safety and sustainability in their applications. In summary, an epoxide (环氧化合物) is more than just a chemical structure; it is a gateway to innovation in multiple fields, from materials science to medicine.

环氧化合物是一类迷人的有机化合物，在各种化学过程和工业应用中发挥着重要作用。环氧化合物，也称为氧杂环烯，是一种具有三元环醚结构的化合物，其结构中包含一个氧原子和两个碳原子。这种独特的结构赋予环氧化合物显著的化学特性，使其成为高度反应性和多用途的有机合成中间体。环氧化合物的重要性不仅在于其结构的独特性；它们广泛用于生产聚合物、树脂和其他材料。在这篇文章中，我们将探讨环氧化合物的重要性、应用以及它们参与化学反应的机制。 环氧化合物的反应性可以归因于其三元环结构中存在的应力。这种应力使得环氧化合物更容易受到亲核试剂的攻击，从而允许它们经历各种化学转化。例如，当环氧化合物与亲核试剂（如胺或醇）反应时，它们可以打开其环结构，形成二醇或氨基醇。这种反应不仅对合成复杂分子至关重要，而且对于创造具有特定属性以适应不同应用的功能化合物也很重要。 环氧化合物最显著的应用之一是在环氧树脂的生产中。这些树脂是通过环氧单体的聚合形成的，产生的材料表现出优异的机械强度、化学耐受性和热稳定性。由于其耐用性和粘合性能，环氧树脂广泛应用于建筑、汽车和航空航天等各个行业。环氧树脂的多功能性使其能够用于涂料、粘合剂和复合材料，使其在现代制造过程中不可或缺。 除了在树脂生产中的应用外，环氧化合物在制药行业中也具有应用价值。许多药物和生物活性化合物含有环氧功能基团，这可能影响它们的生物活性。例如，某些含环氧化合物的化合物已被证明具有抗微生物和抗癌特性。研究人员继续探索环氧化合物在药物设计和开发中的潜力，旨在利用它们独特的反应性用于治疗目的。 此外，环氧化合物的环境影响不容忽视。虽然它们在许多工业应用中具有价值，但某些环氧化合物可能是有毒的，并对人类健康和环境构成风险。例如，用于生产环氧树脂的环氧氯丙烷被归类为可能的人类致癌物。因此，必须小心处理这些化合物，并在可能的情况下开发更安全的替代品。 总之，环氧化合物是一类重要的化合物，在各种化学过程和应用中发挥着关键作用。它们独特的三元环结构赋予其显著的反应性，使其成为有机合成中的宝贵中间体，并且是环氧树脂和制药生产中的基本成分。随着研究的不断深入，揭示了环氧化合物的潜力，考虑其好处和相关风险至关重要。通过推动我们对环氧化合物的理解，我们可以更好地利用其特性，同时确保其应用的安全性和可持续性。总之，环氧化合物（epoxide）不仅仅是一个化学结构；它是通向多个领域创新的门户，从材料科学到医学。