polyimides

简明释义

英[ˌpɒliˈɪmaɪdz]美[ˌpɑːliˈaɪmaɪdz]

n. [高分子]聚酰亚胺；聚亚醯胺（polyimide 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Several methods for preparation and modification of silicon-containing polyimides were reviewed and the properties of the relevant products were also mentioned.

本文综述了含硅聚酰亚胺的合成和改性方法以及相应产物的性能特点。

2.In this paper, the development of the synthetic and modification of polyimide was reviewed. At the same time, the application of polyimides in aerospace and electrical industries were also introduced.

本文简单介绍了聚酰亚胺的合成及改性的研究，同时也介绍了聚酰亚胺在航空、航天以及电子领域的应用进展。

3.This paper reviews the research progress in sulfonated polyimides (SPI) as materials for proton exchange membrane fuel cell.

综述了磺化聚酰亚胺作为质子交换膜燃料电池中膜材料的研究概况。

4.Polyimides and Other High Temperature Polymers: Synthesis, Characterization and Applications, Volume 4

高温聚酰亚胺等高分子：合成，表征和应用，卷4。

5.The study on the alignment film for high pretilt angle liquid crystal display was reported. The alignment film was based on polyimides containing long main chain alkyl groups.

报道了用于高预倾角液晶显示器的定向膜材料的研究，这类定向膜材料由主链含长烷基链的聚酰亚胺组成。

6.The effects of molecular structures on the thermal properties of polyimides are discussed as well.

讨论了热塑性聚酰亚胺的分子结构对聚酰亚胺热性能的影响；

7.Polyimides are important high-performance polymers which can be made by thermal imidization and by chemical imidization of their precursors poly(amic acids).

聚酰亚胺是一类高性能的聚合物，它可由其前驱体聚酰胺酸经热或化学亚胺化而得到。

8.The polymerization of fourteen N-phenyl unsaturated dicarboximides were studied for the selection of capping agents of "PMR" polyimides.

研究了十四种不饱和羧酸酐的N -苯基二酰亚胺的热聚合反应，以此作为“PMR”聚酰亚胺封端剂的选择。

9.For high-performance applications, engineers often choose polyimides over traditional plastics.

对于高性能应用，工程师通常选择聚酰亚胺而不是传统塑料。

10.In electronics, polyimides are utilized as insulating materials due to their excellent dielectric properties.

在电子领域，聚酰亚胺因其优良的介电特性而被用作绝缘材料。

11.The flexibility of polyimides makes them ideal for flexible printed circuits.

聚酰亚胺的柔韧性使其成为柔性印刷电路的理想材料。

12.Researchers are developing new polyimides that can withstand extreme temperatures.

研究人员正在开发能够承受极端温度的新型聚酰亚胺。

13.The aerospace industry extensively uses polyimides for their high thermal stability.

航空航天工业广泛使用聚酰亚胺，因为它们具有高热稳定性。

作文

In the world of advanced materials, polyimides (聚酰亚胺) have emerged as a crucial class of polymers that offer a unique combination of thermal stability, mechanical strength, and chemical resistance. These properties make polyimides (聚酰亚胺) an ideal choice for various applications, particularly in industries that require materials to withstand extreme conditions. From aerospace to electronics, polyimides (聚酰亚胺) play a significant role in enhancing the performance and reliability of products.One of the most remarkable features of polyimides (聚酰亚胺) is their ability to maintain structural integrity at high temperatures. Unlike many conventional polymers that degrade when exposed to heat, polyimides (聚酰亚胺) can withstand temperatures exceeding 300 degrees Celsius without losing their mechanical properties. This characteristic makes them invaluable in aerospace applications, where components are often subjected to extreme thermal environments.Moreover, polyimides (聚酰亚胺) exhibit excellent electrical insulation properties. This makes them highly sought after in the electronics industry, particularly for insulating wires and cables, as well as for use in flexible printed circuit boards. The ability of polyimides (聚酰亚胺) to provide reliable electrical insulation while remaining lightweight and flexible is a game-changer for modern electronic devices.In addition to their thermal and electrical properties, polyimides (聚酰亚胺) are also known for their outstanding chemical resistance. They can withstand exposure to a wide range of solvents and chemicals, which is essential in industries such as automotive and chemical processing. The durability of polyimides (聚酰亚胺) ensures that components remain functional and safe even in harsh environments.The versatility of polyimides (聚酰亚胺) extends beyond their mechanical and thermal properties. They can be processed into various forms, including films, coatings, and adhesives. This adaptability allows manufacturers to create tailored solutions for specific applications. For instance, polyimides (聚酰亚胺) films are commonly used in flexible displays and touch screens due to their transparency and flexibility, making them essential in the production of modern consumer electronics.However, the production of polyimides (聚酰亚胺) is not without challenges. The synthesis of these polymers often involves complex chemical processes and requires careful handling of raw materials. Additionally, the cost of producing polyimides (聚酰亚胺) can be higher than that of traditional polymers, which may limit their widespread adoption in some applications. Nonetheless, ongoing research and development efforts aim to optimize production methods and reduce costs, making polyimides (聚酰亚胺) more accessible to a broader range of industries.In conclusion, polyimides (聚酰亚胺) represent a remarkable advancement in polymer technology. Their unique combination of thermal stability, electrical insulation, and chemical resistance positions them as a critical material in various high-performance applications. As industries continue to evolve and demand more from materials, polyimides (聚酰亚胺) will undoubtedly play an increasingly important role in shaping the future of technology and innovation.