isocyanate
简明释义
英[ˌaɪsəʊˈsaɪəneɪt]美[ˌaɪsəˈsaɪəˌneɪt]
n. [无化] 异氰酸盐
英英释义
A chemical compound containing the isocyanate group (–N=C=O), often used in the production of polymers and foams. | 一种含有异氰酸酯基团（–N=C=O）的化合物，常用于聚合物和泡沫的生产。 |
单词用法
异氰酸苯酯 |
同义词
反义词
| 胺 | Amines are often used as building blocks in organic synthesis. | 胺通常用作有机合成中的基础化合物。 | |
| 醇 | Alcohols can serve as solvents in various chemical reactions. | 醇可以作为各种化学反应中的溶剂。 |
例句
1.Isocyanate curing agents which when heated or reacted with hydroxy functional polymers giving urethane coatings.
异氰酸酯固化剂在加热的情况下与羟基聚合物反应形成聚氨酯涂料。
2.Furthermore, it was showed that maleic anhydride and styrene grafted the main chain of PVC, and then reaction with isocyanate formed cross-linked structure by FTIR.
此外，通过红外表征测试表明交联PVC是通过马来酸酐和苯乙烯接枝到PV C主链上，然后与亚甲基二苯胺发生反应产生交联结构。
3.As explained in Chapter 1, the urethane group is the product of the reaction of a hydroxy compound with an isocyanate group (reaction 4.8).
正如第1章解释，聚氨酯组是羟基化合物与异氰酸酯组的反应(反应4.8)的产品。
4.The invention provides an isocyanate composite and a preparation method for scleroid polyurethane foam using the same.
本发明提供多异氰酸酯组合物及使用其的硬质聚氨酯泡沫的制造方法。
5.Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。
6.The effect of kinds of chain extender, active diluents and the structure of isocyanate on mechanical properties of the elastomer is discussed.
考察了扩链剂种类、活性稀释剂及异氰酸酯对聚氨酯灌封胶力学性能的影响。
7.The influence of isocyanate indexes and the time of adding cellulose-acrylic acid graft water absorbent to resin properties were studied.
研究了异氰酸酯指数以及纤维素接枝丙烯酸类吸水剂的加入时间及用量等因素对材料性能的影响。
8.The features of isocyanate trimer and physical properties of tri-n-butyl-phosphine for isocyanate trimer catalyzer were introduced.
简要介绍了多异氰酸酯三聚体的特点，以及多异氰酸酯三聚催化剂三正丁基膦的物理性质。
9.Polyether-type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.
采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体。
10.In construction, isocyanate (异氰酸酯) is often used in spray foam insulation.
在建筑中，异氰酸酯（isocyanate）常用于喷涂泡沫绝缘材料。
11.The reaction between polyols and isocyanate (异氰酸酯) is crucial in producing polyurethane.
多醇与异氰酸酯（isocyanate）之间的反应对于生产聚氨酯至关重要。
12.Environmental regulations limit the emission of isocyanate (异氰酸酯) during manufacturing processes.
环境法规限制制造过程中异氰酸酯（isocyanate）的排放。
13.The production of flexible foams often involves the use of isocyanate (异氰酸酯) compounds.
柔性泡沫的生产通常涉及使用异氰酸酯（isocyanate）化合物。
14.Workers must wear protective gear when handling isocyanate (异氰酸酯) to avoid respiratory issues.
工人在处理异氰酸酯（isocyanate）时必须穿戴防护装备，以避免呼吸问题。
作文
Isocyanates are a group of highly reactive chemical compounds that contain the isocyanate functional group, which is characterized by the presence of a nitrogen atom double-bonded to a carbon atom that is also bonded to an oxygen atom. These compounds play a crucial role in the production of various materials, particularly in the field of polymers and coatings. One of the most common uses of isocyanate (异氰酸酯) is in the manufacturing of polyurethane foams, which are widely used in furniture, insulation, and automotive industries. The versatility of isocyanate (异氰酸酯) allows for the creation of products with varying densities and properties, making it an essential component in many applications.However, the reactivity of isocyanate (异氰酸酯) also poses certain health risks. Exposure to these compounds can lead to respiratory issues, skin irritation, and other health problems. This is why safety precautions are paramount when handling isocyanate (异氰酸酯) during the manufacturing process. Workers must wear protective gear, including masks and gloves, to minimize exposure. Additionally, proper ventilation in workspaces is necessary to prevent the accumulation of harmful vapors.The environmental impact of isocyanate (异氰酸酯) is another critical consideration. When these compounds are released into the atmosphere, they can contribute to air pollution and have adverse effects on ecosystems. Therefore, manufacturers are increasingly adopting greener alternatives and technologies to reduce the environmental footprint of isocyanate (异氰酸酯) production.In recent years, research has been focused on developing bio-based isocyanate (异氰酸酯) alternatives derived from renewable resources. These innovations aim to provide similar performance characteristics while being less harmful to both human health and the environment. The transition towards sustainable practices in the production of isocyanate (异氰酸酯) is not only beneficial for the planet but also aligns with the growing consumer demand for eco-friendly products.Moreover, the use of isocyanate (异氰酸酯) in construction materials has gained attention due to its ability to enhance the durability and performance of building components. For instance, incorporating isocyanate (异氰酸酯) into concrete can improve its resistance to moisture and chemicals, extending the lifespan of structures. This application highlights the importance of isocyanate (异氰酸酯) in modern construction practices, showcasing its potential to contribute to more resilient infrastructure.In conclusion, isocyanate (异氰酸酯) compounds are vital in various industries, especially in the production of polyurethanes and other materials. While they offer numerous benefits, it is essential to address the health and environmental concerns associated with their use. Through ongoing research and innovation, the industry can move towards safer and more sustainable practices, ensuring that isocyanate (异氰酸酯) continues to play a significant role in material science without compromising safety or environmental integrity.
异氰酸酯是一类高度反应性的化学化合物，含有异氰酸酯官能团，其特征是含有一个与碳原子双键结合的氮原子，同时该碳原子也与一个氧原子结合。这些化合物在各种材料的生产中发挥着至关重要的作用，尤其是在聚合物和涂料领域。异氰酸酯（isocyanate）最常见的用途之一是在制造聚氨酯泡沫，这些泡沫广泛用于家具、绝缘和汽车工业。异氰酸酯（isocyanate）的多功能性使得能够制造出具有不同密度和特性的产品，使其成为许多应用中的重要组成部分。然而，异氰酸酯（isocyanate）的反应性也带来了一定的健康风险。接触这些化合物可能导致呼吸问题、皮肤刺激和其他健康问题。这就是为什么在制造过程中处理异氰酸酯（isocyanate）时安全预防措施至关重要。工人必须穿戴保护装备，包括口罩和手套，以最小化暴露。此外，工作场所的适当通风也是必要的，以防止有害蒸汽的积聚。异氰酸酯（isocyanate）的环境影响是另一个关键考虑因素。当这些化合物释放到大气中时，可能会导致空气污染并对生态系统产生不利影响。因此，制造商越来越多地采用更环保的替代品和技术，以减少异氰酸酯（isocyanate）生产的环境足迹。近年来，研究集中在开发基于生物的异氰酸酯（isocyanate）替代品，这些替代品源自可再生资源。这些创新旨在提供类似的性能特征，同时对人类健康和环境的危害较小。在异氰酸酯（isocyanate）生产中向可持续实践的过渡不仅对地球有益，而且符合消费者对环保产品日益增长的需求。此外，异氰酸酯（isocyanate）在建筑材料中的使用因其增强建筑组件耐久性和性能的能力而受到关注。例如，将异氰酸酯（isocyanate）加入混凝土中可以提高其对水分和化学物质的抵抗力，延长结构的使用寿命。这一应用突显了异氰酸酯（isocyanate）在现代建筑实践中的重要性，展示了其对更具韧性的基础设施的贡献潜力。总之，异氰酸酯（isocyanate）化合物在各个行业中至关重要，尤其是在聚氨酯和其他材料的生产中。虽然它们提供了许多好处，但解决与其使用相关的健康和环境问题至关重要。通过持续的研究和创新，该行业可以朝着更安全和更可持续的实践迈进，确保异氰酸酯（isocyanate）继续在材料科学中发挥重要作用，而不损害安全性或环境完整性。
