living coordination polymerization

简明释义

活性配位聚合

英英释义

Living coordination polymerization is a type of polymerization process where the growth of polymer chains can be controlled and terminated at will, allowing for the synthesis of well-defined polymers with specific structures and properties.

活性配位聚合是一种聚合过程,在这种过程中,聚合链的生长可以被控制并随意终止,从而允许合成具有特定结构和性质的明确聚合物。

例句

1.The technique of living coordination polymerization (活性配位聚合) allows for the production of polymers with narrow molecular weight distributions.

采用活性配位聚合living coordination polymerization)技术,可以生产具有窄分子量分布的聚合物。

2.Using living coordination polymerization (活性配位聚合), we can control the molecular weight of the polymers precisely.

使用活性配位聚合living coordination polymerization),我们可以精确控制聚合物的分子量。

3.The synthesis of block copolymers can be efficiently achieved through living coordination polymerization (活性配位聚合).

通过活性配位聚合living coordination polymerization)可以高效合成嵌段共聚物。

4.Researchers have explored the potential of living coordination polymerization (活性配位聚合) in creating new materials with tailored properties.

研究人员探索了活性配位聚合living coordination polymerization)在创造具有定制性能的新材料方面的潜力。

5.Innovations in living coordination polymerization (活性配位聚合) are paving the way for advanced applications in nanotechnology.

活性配位聚合living coordination polymerization)方面的创新正在为纳米技术的先进应用铺平道路。

作文

The field of polymer chemistry has witnessed remarkable advancements over the past few decades, particularly with the introduction of new polymerization techniques. One such technique that has gained significant attention is living coordination polymerization. This method allows for the precise control of polymer molecular weight and architecture, making it a powerful tool in the synthesis of advanced materials. In this essay, we will explore the concept of living coordination polymerization, its mechanisms, advantages, and potential applications in various fields.To begin with, living coordination polymerization refers to a type of polymerization process where the active centers of the growing polymer chains remain reactive throughout the polymerization, allowing for the continuous addition of monomers. Unlike traditional polymerization methods, which often lead to a distribution of molecular weights and structures, this technique enables the creation of polymers with uniform properties. The term 'living' indicates that the polymer chains can continue to grow without undergoing termination reactions, which is a key feature that distinguishes it from other polymerization methods.The mechanism of living coordination polymerization typically involves the use of transition metal catalysts that facilitate the coordination of monomers to the growing polymer chain. These catalysts play a crucial role in maintaining the reactivity of the polymer ends, ensuring that they remain 'living'. As a result, researchers can achieve a high degree of control over the polymerization process, leading to well-defined polymers with tailored properties.One of the primary advantages of living coordination polymerization is its ability to produce block copolymers. By sequentially adding different types of monomers, chemists can create polymers with distinct segments, each exhibiting unique physical and chemical properties. This versatility opens up a wide range of possibilities for designing materials with specific functionalities, such as self-healing materials, stimuli-responsive systems, and nanocomposites.Moreover, the precision offered by living coordination polymerization extends beyond just block copolymers. It also allows for the synthesis of star-shaped and branched polymers, which can exhibit enhanced mechanical and thermal properties compared to their linear counterparts. These advanced materials have potential applications in industries such as biomedical engineering, electronics, and coatings, where performance and reliability are paramount.In addition to its synthetic advantages, living coordination polymerization is also environmentally friendly. The process often operates under mild conditions and can utilize renewable resources, contributing to the development of sustainable materials. This aspect aligns with the growing demand for greener chemistry practices in the face of global environmental challenges.In conclusion, living coordination polymerization represents a significant advancement in the field of polymer science. Its ability to provide precise control over polymer structures and properties positions it as a valuable tool for researchers and industry professionals alike. As we continue to explore the potential of this innovative polymerization technique, it is likely that we will witness the emergence of new materials that can address some of the most pressing challenges in various sectors. The future of polymer chemistry is indeed promising, and living coordination polymerization will undoubtedly play a pivotal role in shaping it.

聚合物化学领域在过去几十年中经历了显著的进步,特别是在新聚合技术的引入方面。其中一种引起广泛关注的技术是活性配位聚合。这种方法允许对聚合物的分子量和结构进行精确控制,使其成为合成先进材料的强大工具。在这篇文章中,我们将探讨活性配位聚合的概念、机制、优势以及在各个领域的潜在应用。首先,活性配位聚合指的是一种聚合过程,其中生长聚合物链的活性中心在整个聚合过程中保持反应性,从而允许单体的持续添加。与传统的聚合方法不同,后者通常导致分子量和结构的分布,这种技术使得能够创造具有均匀特性的聚合物。“活性”一词表明,聚合物链可以继续生长而不发生终止反应,这是其与其他聚合方法的一个关键特征。活性配位聚合的机制通常涉及使用过渡金属催化剂,这些催化剂促进单体与生长的聚合物链的配位。这些催化剂在维持聚合物末端的反应性方面发挥着至关重要的作用,确保它们保持“活性”。因此,研究人员可以实现对聚合过程的高度控制,从而产生具有特定性质的聚合物。活性配位聚合的主要优势之一是其能够生产嵌段共聚物。通过顺序添加不同类型的单体,化学家可以创建具有独特段落的聚合物,每个段落展现出独特的物理和化学性质。这种多功能性为设计具有特定功能的材料开辟了广泛的可能性,例如自愈材料、刺激响应系统和纳米复合材料。此外,活性配位聚合提供的精确性不仅限于嵌段共聚物。它还允许合成星形和支链聚合物,这些聚合物相较于线性同类物可能表现出增强的机械和热性能。这些先进材料在生物医学工程、电子产品和涂料等行业具有潜在应用,其中性能和可靠性至关重要。除了合成优势外,活性配位聚合在环境友好性方面也表现出色。该过程通常在温和条件下进行,并且可以利用可再生资源,有助于可持续材料的发展。这一方面与面对全球环境挑战时对更绿色化学实践的日益需求相符。总之,活性配位聚合代表了聚合物科学领域的重要进展。其提供的对聚合物结构和性质的精确控制,使其成为研究人员和行业专业人士的宝贵工具。随着我们继续探索这一创新聚合技术的潜力,预计我们将见证新材料的出现,这些材料能够解决各个领域中一些最紧迫的挑战。聚合物化学的未来无疑是充满希望的,而活性配位聚合将在塑造这一未来中发挥关键作用。