condensation polymer

简明释义

缩聚体

英英释义

例句

1.Many natural and synthetic fibers are made from condensation polymer 缩聚聚合物, which helps in creating strong and flexible textiles.

许多天然和合成纤维是由缩聚聚合物 condensation polymer 制成的，这有助于创造强大而灵活的纺织品。

2.In the laboratory, scientists often use condensation polymer 缩聚聚合物 methods to create new materials with specific properties.

在实验室中，科学家们经常使用缩聚聚合物 condensation polymer 方法来创造具有特定性质的新材料。

3.The production of nylon is a classic example of a condensation polymer 缩聚聚合物 that involves the reaction between diamines and dicarboxylic acids.

尼龙的生产是一个经典的缩聚聚合物 condensation polymer 的例子，它涉及二胺和二羧酸之间的反应。

4.Polyesters, such as PET, are formed through condensation polymer 缩聚聚合物 reactions that release water as a byproduct.

聚酯，如PET，是通过释放水作为副产品的缩聚聚合物 condensation polymer 反应形成的。

5.The durability of certain plastics can be attributed to their condensation polymer 缩聚聚合物 structure, which provides strength and resistance to degradation.

某些塑料的耐用性可以归因于它们的缩聚聚合物 condensation polymer 结构，这种结构提供了强度和抗降解性。

作文

In the field of chemistry, the study of polymers is both fascinating and essential for understanding many materials we encounter daily. One particular type of polymer that plays a significant role in various applications is known as condensation polymer. A condensation polymer (缩聚聚合物) is formed through a chemical reaction where monomers join together, releasing small molecules such as water or methanol as byproducts. This process not only creates long chains of repeating units but also results in the elimination of small molecules, which distinguishes it from other types of polymerization methods, such as addition polymerization.The formation of condensation polymers typically involves two types of functional groups on the monomers. For instance, when a diol reacts with a dicarboxylic acid, the hydroxyl group (-OH) from the diol and the carboxyl group (-COOH) from the acid react to form an ester linkage while releasing a molecule of water. The resulting polymer has a backbone made up of ester linkages, which can further elongate as more monomer units react. Some common examples of condensation polymers include polyesters and polyamides, which are widely used in textiles and plastics.One of the most well-known examples of a condensation polymer is nylon, a synthetic polymer that has revolutionized the textile industry. Nylon is produced through the condensation reaction between hexamethylenediamine and adipic acid, leading to the formation of a strong, durable fiber that is resistant to wear and tear. Its versatility has allowed it to be used in various applications, from clothing to industrial products. Another example is polyethylene terephthalate (PET), commonly used in beverage bottles and food containers. PET is synthesized through the condensation of terephthalic acid and ethylene glycol, resulting in a polymer that is both lightweight and strong.The properties of condensation polymers can vary significantly depending on the nature of the monomers used and the conditions under which the polymerization occurs. For instance, the molecular weight of the resulting polymer can influence its mechanical strength, thermal stability, and resistance to solvents. Additionally, the degree of crystallinity within the polymer can affect its transparency and flexibility. Understanding these factors is crucial for chemists and engineers who aim to tailor materials for specific applications.Moreover, the environmental impact of condensation polymers is an important consideration in today’s world. Many of these polymers are derived from petrochemical sources, leading to concerns about sustainability and pollution. As a result, researchers are exploring bio-based alternatives and recycling methods to mitigate the negative effects associated with traditional polymer production. Innovations in green chemistry may lead to the development of new condensation polymers that are more environmentally friendly, using renewable resources and minimizing waste.In conclusion, condensation polymers (缩聚聚合物) are a vital class of materials that have a profound impact on our daily lives. From their unique formation process to their diverse applications, understanding these polymers is essential for anyone interested in chemistry or materials science. As we continue to advance our knowledge and technology, the potential for developing new and improved condensation polymers will only grow, paving the way for innovative solutions to meet the challenges of the future.

在化学领域，聚合物的研究既迷人又对理解我们每天遇到的许多材料至关重要。一个特别类型的聚合物在各种应用中发挥着重要作用，称为缩聚聚合物。缩聚聚合物（condensation polymer）是通过一种化学反应形成的，其中单体结合在一起，释放出水或甲醇等小分子作为副产物。这一过程不仅创造了由重复单元组成的长链，还导致小分子的消除，这使其与其他聚合方法（如加成聚合）有所区别。缩聚聚合物的形成通常涉及两种类型的单体官能团。例如，当二醇与二羧酸反应时，二醇的羟基（-OH）与酸的羧基（-COOH）反应形成酯键，同时释放出一分子水。生成的聚合物具有由酯键构成的主链，随着更多单体单位的反应，该聚合物可以进一步延长。一些常见的缩聚聚合物包括聚酯和聚酰胺，它们广泛用于纺织品和塑料。一个众所周知的缩聚聚合物的例子是尼龙，这是一种合成聚合物，彻底改变了纺织工业。尼龙是通过六亚甲基二胺和己二酸之间的缩聚反应生成的，形成了一种强韧耐磨的纤维。它的多功能性使其可以用于从服装到工业产品的各种应用。另一个例子是聚对苯二甲酸乙二醇酯（PET），通常用于饮料瓶和食品容器。PET是通过对苯二甲酸和乙二醇的缩聚反应合成的，形成了一种轻巧且坚固的聚合物。缩聚聚合物的性质可能会因所用单体的性质和聚合发生的条件而显著变化。例如，所产生聚合物的分子量可以影响其机械强度、热稳定性和溶剂抵抗性。此外，聚合物内的结晶度程度可以影响其透明度和柔韧性。理解这些因素对于希望为特定应用定制材料的化学家和工程师至关重要。此外，缩聚聚合物的环境影响是当今世界中的一个重要考虑因素。许多这些聚合物源自石油化工来源，导致对可持续性和污染的担忧。因此，研究人员正在探索基于生物的替代品和回收方法，以减轻与传统聚合物生产相关的负面影响。绿色化学的创新可能导致开发新的缩聚聚合物，这些聚合物更加环保，使用可再生资源并最小化废物。总之，缩聚聚合物（condensation polymer）是一类重要的材料，对我们的日常生活产生了深远的影响。从它们独特的形成过程到它们多样的应用，理解这些聚合物对任何对化学或材料科学感兴趣的人来说都是必不可少的。随着我们继续推进知识和技术，开发新型和改进的缩聚聚合物的潜力只会增加，为解决未来的挑战铺平道路。