cellulose nitrate
简明释义
硝酸纤维素
英英释义
Cellulose nitrate is a flammable compound made from cellulose and nitric acid, commonly used in the production of films, lacquers, and explosives. | 硝化纤维素是一种由纤维素和硝酸制成的易燃化合物,通常用于生产胶卷、清漆和炸药。 |
例句
1.Artists sometimes use cellulose nitrate 硝化纤维素 in their work for its unique properties.
艺术家有时会在他们的作品中使用cellulose nitrate 硝化纤维素,因为它具有独特的特性。
2.Due to its flammability, cellulose nitrate 硝化纤维素 must be handled with care in laboratories.
由于其易燃性,实验室必须小心处理cellulose nitrate 硝化纤维素。
3.In the early 20th century, cellulose nitrate 硝化纤维素 was a common material for making photographic films.
在20世纪初,cellulose nitrate 硝化纤维素是制作摄影胶卷的常用材料。
4.The degradation of cellulose nitrate 硝化纤维素 can lead to the loss of valuable historical films.
对cellulose nitrate 硝化纤维素的降解可能导致珍贵历史胶卷的损失。
5.The film industry used cellulose nitrate 硝化纤维素 for many years before switching to safer alternatives.
电影行业曾经使用cellulose nitrate 硝化纤维素多年,后来转向更安全的替代品。
作文
Cellulose nitrate, also known as nitrocellulose, is a highly flammable compound made from cellulose through the process of nitration. It has played a significant role in various industries, particularly in the production of films, lacquers, and explosives. The history of cellulose nitrate dates back to the mid-19th century when it was first discovered by Swiss chemist Christian Friedrich Schönbein. He found that by treating cotton with a mixture of nitric and sulfuric acids, he could create a substance that was not only combustible but also had unique properties that made it suitable for various applications.One of the most notable uses of cellulose nitrate is in the film industry. Before the advent of safety film stock, which is less flammable, cellulose nitrate was the standard material used for motion picture film. Its ability to hold images clearly and its flexibility made it a popular choice among filmmakers. However, its flammability posed significant risks, as many film studios experienced catastrophic fires due to the ignition of cellulose nitrate film reels. This led to the eventual transition to safer alternatives, although cellulose nitrate remains a critical part of film preservation efforts today, as many historical films were made using this material.In addition to its use in filmmaking, cellulose nitrate has been employed in the production of various types of coatings and lacquers. Its quick-drying properties and excellent adhesion make it ideal for use in paints and varnishes. Many artists and manufacturers still utilize cellulose nitrate in their products, despite the availability of synthetic alternatives. The aesthetic qualities it imparts to finished surfaces are often unmatched by modern compounds.Moreover, cellulose nitrate has a long history in the field of explosives. Due to its high nitrogen content, it can be used as a propellant in firearms and as an explosive in military applications. Its stability and energy release characteristics make it a valuable component in various types of munitions. However, this application also underscores the need for careful handling and storage, as cellulose nitrate can degrade over time, leading to dangerous conditions.Environmental concerns regarding the production and disposal of cellulose nitrate have prompted researchers to explore more sustainable alternatives. The process of nitration itself can produce hazardous waste, and the flammability of the material poses risks during its lifecycle. As such, ongoing research aims to develop biodegradable or less harmful substitutes that can replicate the desirable properties of cellulose nitrate without the associated environmental impact.In conclusion, cellulose nitrate is a fascinating compound with a rich history and a wide range of applications. From its early use in photography and filmmaking to its roles in coatings and explosives, it has significantly impacted various industries. Understanding the properties and potential dangers of cellulose nitrate is essential for those working with this material, as well as for consumers who may encounter it in various products. As we move towards a more sustainable future, finding alternatives that can replace cellulose nitrate while preserving its beneficial qualities will be a crucial challenge for scientists and industry leaders alike.
硝化纤维素,也被称为硝化纤维,是一种通过硝化过程从纤维素中制成的高度易燃化合物。它在各个行业中发挥着重要作用,特别是在电影、清漆和炸药的生产中。cellulose nitrate 的历史可以追溯到19世纪中叶,当时瑞士化学家Christian Friedrich Schönbein首次发现,通过用硝酸和硫酸的混合物处理棉花,可以创造出一种不仅可燃,而且具有独特性质的物质,使其适用于各种应用。cellulose nitrate 在电影行业中的一个显著用途是。在安全胶卷问世之前,cellulose nitrate 是运动胶卷的标准材料。它能够清晰地保持图像,并且灵活性使其成为电影制片人的热门选择。然而,它的易燃性带来了重大风险,许多电影制片厂因cellulose nitrate胶卷卷轴的点燃而经历了灾难性的火灾。这导致最终转向更安全的替代品,尽管如此,cellulose nitrate 在今天的电影保存工作中仍然是一个关键部分,因为许多历史电影都是使用这种材料制作的。除了在电影制作中的应用外,cellulose nitrate 还被用于各种类型的涂层和清漆的生产。它的快干特性和优良的附着力使其非常适合用于油漆和清漆。尽管有合成替代品可供选择,许多艺术家和制造商仍然在他们的产品中使用cellulose nitrate。它赋予成品表面的美学品质往往是现代化合物无法比拟的。此外,cellulose nitrate 在炸药领域也有着悠久的历史。由于其高氮含量,它可以作为火器中的推进剂以及军事应用中的炸药。它的稳定性和能量释放特性使其成为各种类型弹药的重要组成部分。然而,这一应用也强调了小心处理和储存的必要性,因为cellulose nitrate 随着时间的推移可能会降解,导致危险情况的发生。关于cellulose nitrate 的生产和处置的环境问题促使研究人员探索更可持续的替代方案。硝化过程本身可能会产生有害废物,而材料的易燃性在其生命周期内也带来了风险。因此,正在进行的研究旨在开发可生物降解或危害较小的替代品,这些替代品可以复制cellulose nitrate 的理想特性,而不会造成相关的环境影响。总之,cellulose nitrate 是一种迷人的化合物,具有丰富的历史和广泛的应用。从它早期在摄影和电影制作中的使用,到在涂层和炸药中的作用,它对各个行业产生了显著影响。了解cellulose nitrate 的性质及潜在危险对于那些与该材料打交道的人,以及可能在各种产品中遇到它的消费者来说至关重要。随着我们朝着更加可持续的未来迈进,寻找能够替代cellulose nitrate 同时保留其有益特性的替代品将是科学家和行业领导者面临的关键挑战。
相关单词