isocyanates

简明释义

英[/ˌaɪsəʊˈsaɪəneɪts/]美[/ˌaɪsoʊˈsaɪəneɪts/]

n. [有化]异氰酸酯（isocyanate 的复数）；[无化]异氰酸盐

英英释义

单词用法

同义词

反义词

例句

1.The effects of polyols and isocyanates on the morphologies, mechanical properties, printing adaptability and cohesion properties of the polyurethane resins were studied respectively.

印刷油墨各种性能的决定因素主要是油墨用树脂的性质。

2.The chemistry of blocked isocyanates including the type, the dissociation temperature, and the performance of the blocked groups was introduced in this paper.

介绍了封端异氰酸酯化学，包括封闭剂类型、解封温度与性能以及相关的催化剂、溶剂、分析技术。

3.The speciality Chemicals Division has become a recognised and well respected name in speciality high performance urethane resins and blocked isocyanates.

其特殊化学品部门已成为高性能聚氨酯及封闭型异氰酸酯交联剂领域中广受尊崇的品牌。

4.The production and consumptions of organic isocyanates are introduced completely, production trend and future market of organic isocyanates are predicted.

对近年国内外有机异氰酸酯生产及市场消费状况进行了全面介绍，并对未来的生产消费趋势进行了展望。

5.The influence of fluororesin and isocyanates on properties of elastic resin was discussed. The property and structure of the new resin was analyzed and characterized.

讨论了氟树脂、异氰酸酯等因素对树脂性能的影响，并对树脂的结构和性能进行了分析与表征。

6.The invention relates to a method for producing isocyanates by reacting the corresponding amines with phosgene, optionally in the presence of at least one inert medium, in the gas phase.

本发明涉及一种在气相中，任选在至少一种惰性介质存在下，使相应的胺与光气反应而生产异氰酸酯的方法。

7.The production of polyurethane foam involves the use of isocyanates, which require careful handling.

聚氨酯泡沫的生产涉及使用异氰酸酯，需要小心处理。

8.Environmental regulations often limit the release of isocyanates into the atmosphere.

环境法规通常限制将异氰酸酯释放到大气中。

9.Exposure to isocyanates can lead to skin irritation and allergic reactions.

接触异氰酸酯可能导致皮肤刺激和过敏反应。

10.During the construction process, workers should be aware of the dangers posed by isocyanates in insulation materials.

在施工过程中，工人应注意绝缘材料中异氰酸酯所带来的危险。

11.Workers in the factory must wear protective gear when handling isocyanates because they can cause respiratory problems.

工厂的工人在处理异氰酸酯时必须穿戴防护装备，因为它们可能导致呼吸问题。

作文

Isocyanates are a group of highly reactive chemicals commonly used in the production of polyurethane foams, elastomers, and coatings. These compounds have garnered significant attention due to their widespread industrial applications and potential health effects. Understanding the properties and risks associated with isocyanates (异氰酸酯) is crucial for both workers in the industry and consumers who use products containing these chemicals. The chemistry of isocyanates (异氰酸酯) is fascinating. They are characterized by the presence of the isocyanate functional group (-N=C=O), which makes them highly reactive with nucleophiles such as alcohols and amines. This reactivity allows them to form various polymeric materials that are essential in many applications, from insulation to automotive parts. However, this same reactivity can pose significant health risks if proper precautions are not taken. In industrial settings, exposure to isocyanates (异氰酸酯) can occur through inhalation, skin contact, or ingestion. Workers in factories that manufacture or utilize products containing isocyanates (异氰酸酯) may be at risk of developing respiratory issues, skin sensitization, and other allergic reactions. The symptoms of exposure can range from mild irritation to severe respiratory distress, highlighting the importance of safety measures such as adequate ventilation, personal protective equipment, and training on handling these chemicals. Furthermore, the environmental impact of isocyanates (异氰酸酯) cannot be overlooked. When improperly disposed of, these chemicals can contaminate soil and water sources, posing risks to wildlife and human health. As regulations surrounding chemical safety become more stringent, industries must adopt best practices for managing isocyanates (异氰酸酯) to minimize their ecological footprint. In recent years, there has been a growing interest in finding safer alternatives to traditional isocyanates (异氰酸酯). Researchers are exploring bio-based materials and less hazardous chemical processes to reduce reliance on these reactive compounds. Innovations in this field could lead to the development of new products that maintain performance while reducing health and environmental risks. In conclusion, isocyanates (异氰酸酯) play a vital role in modern manufacturing and product development. However, their health risks and environmental implications necessitate careful handling and ongoing research into safer alternatives. By understanding the properties and effects of isocyanates (异氰酸酯), we can better protect workers, consumers, and the planet. As awareness increases, it is essential that industries continue to prioritize safety and sustainability in their practices.

异氰酸酯是一类高度反应性的化学物质，常用于聚氨酯泡沫、弹性体和涂料的生产。这些化合物因其广泛的工业应用和潜在的健康影响而受到关注。理解与异氰酸酯（isocyanates）相关的性质和风险对行业工人和使用含有这些化学物质的产品的消费者至关重要。异氰酸酯（isocyanates）的化学特性令人着迷。它们的特点是存在异氰酸酯功能基团（-N=C=O），这使得它们与亲核试剂如醇和胺具有高度反应性。这种反应性使它们能够形成多种聚合材料，这些材料在许多应用中至关重要，从绝缘到汽车零部件。然而，这种相同的反应性如果没有采取适当的预防措施，可能会带来显著的健康风险。在工业环境中，接触异氰酸酯（isocyanates）可能通过吸入、皮肤接触或摄入发生。在制造或使用含有异氰酸酯（isocyanates）的产品的工厂工作的人可能面临呼吸问题、皮肤敏感以及其他过敏反应的风险。接触的症状可以从轻微刺激到严重的呼吸窘迫不等，这突显了安全措施的重要性，如充分通风、个人防护装备和处理这些化学品的培训。此外，异氰酸酯（isocyanates）对环境的影响也不容忽视。当不当处理时，这些化学物质可能污染土壤和水源，对野生动物和人类健康构成风险。随着化学安全法规变得越来越严格，行业必须采用最佳实践来管理异氰酸酯（isocyanates），以最小化其生态足迹。近年来，人们越来越关注寻找传统异氰酸酯（isocyanates）的更安全替代品。研究人员正在探索基于生物的材料和较少危险的化学过程，以减少对这些反应性化合物的依赖。该领域的创新可能导致新产品的开发，这些产品在保持性能的同时降低健康和环境风险。总之，异氰酸酯（isocyanates）在现代制造和产品开发中发挥着重要作用。然而，它们的健康风险和环境影响需要谨慎处理，并继续研究更安全的替代品。通过了解异氰酸酯（isocyanates）的性质和影响，我们可以更好地保护工人、消费者和地球。随着意识的提高，行业必须继续优先考虑安全和可持续发展。