comonomer

简明释义

英[kəʊˈmɒnəmə(r)]美[koʊˈmɑːnəmər]

n. [高分子] 共聚用单体

英英释义

单词用法

同义词

反义词

例句

1.The results show that high cross-linking degree of resin can be gained as the mass fraction of comonomer N-hydroxymethyl acrylamide (NMA)and hydroxyethacrylate (HEMA)are 6% and 15% respectively.

结果表明，当共聚单体N羟甲基丙烯酰胺（NMA）和甲基丙烯酸羟乙酯（HEMA）的质量分数分别为6%和15%时，树脂的交联度较高；

2.It is reasoned that the integration of various effects caused by the comonomer had made such changes.

根据共单体介入所产生的诸多方面影响的综合作用，对这一现象进行了解释。

3.The studies on high performance PE mainly focused on the comonomer effect and accelerating effect in the polymerization process;

高性能PE的研究主要集中在聚合过程中的“共单体效应”和“促进效应”；

4.Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.

用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。

5.A study of the grafted copolymerization of potato starch with butyl acrylate as comonomer, and APS as initiator by microwave radiation has been mode.

研究在微波场中用APS引发土豆淀粉与丙烯酸丁酯的接枝共聚规律。

6.The structure of the metallocene had an important influence on the maximum activity of the comonomer effect.

共聚催化剂的结构对整个原位共聚体系活性的影响比较明显。

7.Only the constituent comonomer units of the polymers in the series of subheadings under consideration are to be compared.

只有在同级子目中的聚合物共聚单体单元才可以进行比较。

8.The results show that high cross-linking degree of resin can be gained as the mass fraction of comonomer N-hydroxymethyl acrylamide (NMA)and hydroxyethacrylate (HEMA)are 6% and 15% respectively.

结果表明，当共聚单体N羟甲基丙烯酰胺（NMA）和甲基丙烯酸羟乙酯（HEMA）的质量分数分别为6%和15%时，树脂的交联度较高；

9.When two different comonomers 共聚单体 are used, the resulting polymer can exhibit unique characteristics.

当使用两种不同的共聚单体时，得到的聚合物可能会表现出独特的特性。

10.Acrylic acid is often used as a comonomer 共聚单体 in the formulation of superabsorbent polymers.

丙烯酸常用于超吸水聚合物的配方中作为共聚单体。

11.The properties of the final polymer can be tailored by selecting appropriate comonomers 共聚单体 during synthesis.

通过在合成过程中选择适当的共聚单体，可以调整最终聚合物的性质。

12.In the production of copolymers, a common choice for a comonomer 共聚单体 is styrene.

在共聚物的生产中，常用的共聚单体是苯乙烯。

13.The choice of comonomer 共聚单体 can significantly affect the mechanical properties of the resulting material.

选择的共聚单体可以显著影响所得到材料的机械性能。

作文

In the world of polymer chemistry, understanding the role of various components is crucial for creating new materials with specific properties. One such important component is the comonomer, which plays a significant role in the copolymerization process. A comonomer (共聚单体) is defined as a type of monomer that is used alongside another monomer to form a copolymer. This combination allows chemists to tailor the characteristics of the resulting polymer, making it suitable for various applications.The significance of comonomers lies in their ability to modify the physical and chemical properties of the final product. For instance, by incorporating different comonomers, one can enhance the flexibility, strength, or thermal stability of the polymer. This versatility is particularly valuable in industries such as automotive, packaging, and biomedical engineering, where specific material properties are often required.For example, in the production of polyethylene, a common plastic, ethylene can be copolymerized with other comonomers like butene or hexene. The presence of these comonomers alters the density and crystallinity of the polyethylene, resulting in materials that exhibit improved toughness and processability. Such modifications can lead to products that perform better under stress or have a longer lifespan, which is essential in many practical applications.Moreover, the choice of comonomers can also influence the biodegradability of polymers. In recent years, there has been a growing interest in developing sustainable materials that can reduce environmental impact. By selecting comonomers derived from renewable resources, researchers are able to create biodegradable plastics that break down more easily in the environment. This not only helps in addressing the global plastic waste crisis but also paves the way for innovative solutions in material science.The study of comonomers is not limited to their chemical properties; it also extends to their interactions during the polymerization process. Understanding how comonomers behave in different conditions can lead to better control over the final polymer structure. Techniques such as spectroscopy and rheology are often employed to analyze these interactions, providing insights that can inform the design of new materials.In conclusion, comonomers are vital components in the field of polymer chemistry, offering a pathway to customize and enhance the properties of polymers. Their ability to modify characteristics such as flexibility, strength, and biodegradability makes them indispensable in various industrial applications. As research continues to advance, the role of comonomers will undoubtedly expand, leading to the development of innovative materials that meet the demands of modern society. By harnessing the potential of comonomers, we can create a more sustainable future while pushing the boundaries of what is possible in material science.

在聚合物化学的世界中，理解各种组成成分的作用对于创造具有特定性质的新材料至关重要。其中一个重要的组成部分是共聚单体，它在共聚合过程中发挥着重要作用。共聚单体（comonomer）被定义为与另一种单体一起用于形成共聚物的一种单体。这种组合使化学家能够定制最终聚合物的特性，使其适合各种应用。共聚单体的重要性在于它们能够改变最终产品的物理和化学性质。例如，通过加入不同的共聚单体，可以增强聚合物的柔韧性、强度或热稳定性。这种多功能性在汽车、包装和生物医学工程等行业中特别有价值，因为这些行业通常需要特定的材料属性。例如，在聚乙烯的生产中，一种常见的塑料，乙烯可以与其他共聚单体如丁烯或己烯进行共聚。共聚单体的存在改变了聚乙烯的密度和结晶度，从而产生出表现出更好的韧性和可加工性的材料。这种改进可以导致在压力下表现更好或使用寿命更长的产品，这在许多实际应用中都是至关重要的。此外，共聚单体的选择还可以影响聚合物的生物降解性。近年来，开发可持续材料以减少环境影响的兴趣日益增加。通过选择来自可再生资源的共聚单体，研究人员能够创造出更容易在环境中分解的生物降解塑料。这不仅有助于解决全球塑料废物危机，还为材料科学中的创新解决方案铺平了道路。对共聚单体的研究不仅限于其化学性质；还扩展到它们在聚合过程中的相互作用。了解共聚单体在不同条件下的行为可以更好地控制最终聚合物的结构。光谱学和流变学等技术通常用于分析这些相互作用，提供的信息可以指导新材料的设计。总之，共聚单体是聚合物化学领域的重要组成部分，为定制和增强聚合物的性质提供了途径。它们改变柔韧性、强度和生物降解性等特性的能力使它们在各种工业应用中不可或缺。随着研究的不断进展，共聚单体的作用无疑将扩大，导致开发出满足现代社会需求的创新材料。通过利用共聚单体的潜力，我们可以创造一个更可持续的未来，同时推动材料科学可能性的边界。