urethanes

简明释义

[ˈjʊərɪθeɪnz][ˈjʊərɪθeɪnz]

聚氨酯橡胶

英英释义

Urethanes are a class of organic compounds that contain the urethane functional group, characterized by the presence of a carbamate structure, which consists of a carbonyl group (C=O) bonded to a nitrogen atom (N) that is also connected to an alkyl or aryl group.

聚氨酯是一类有机化合物,含有氨基甲酸酯功能基团,其特征是存在一个氨基甲酸酯结构,由一个羰基(C=O)与一个氮原子(N)相连,氮原子还连接有烷基或芳基。

单词用法

polyurethane urethanes

聚氨酯聚合物

urethane foam

聚氨酯泡沫

urethane-based adhesives

聚氨酯基粘合剂

flexible urethanes

柔性聚氨酯

同义词

polyurethanes

聚氨酯

Polyurethanes are widely used in furniture and automotive industries for cushioning.

聚氨酯广泛用于家具和汽车工业中的缓冲材料。

elastomers

弹性体

Elastomers are known for their flexibility and are often used in seals and gaskets.

弹性体以其灵活性而闻名,常用于密封件和垫圈。

foams

泡沫

Foams made from polyurethanes can be found in mattresses and insulation.

由聚氨酯制成的泡沫可在床垫和绝缘材料中找到。

反义词

polyethylene

聚乙烯

Polyethylene is widely used in packaging materials.

聚乙烯广泛用于包装材料。

polystyrene

聚苯乙烯

Polystyrene is commonly used in disposable cutlery and containers.

聚苯乙烯通常用于一次性餐具和容器。

例句

1.Oil-modified urethanes is prepared with vegetable oil and TDI as main materials, which is then neutralized to form the waterborne oil-modified urethanes.

以植物油、TDI为主要原料合成氨酯油,中和后加入水分散得水性氨酯油溶液。

2.Medical thermoplastic polyether urethanes(TPU) based on MDI/PTMG/BDO system were prepared by one -shot, prepolymer and semi-prepolymer processes with equivalent stoichiometries respectively.

在系统中,以一步法和预聚法为对照,研究了半预聚法对医用热塑性聚氨酯(TPU)结构和性能影响。

3.Medical thermoplastic polyether urethanes(TPU) based on MDI/PTMG/BDO system were prepared by one -shot, prepolymer and semi-prepolymer processes with equivalent stoichiometries respectively.

在系统中,以一步法和预聚法为对照,研究了半预聚法对医用热塑性聚氨酯(TPU)结构和性能影响。

4.The insulation material is composed of closed-cell urethanes for improved energy efficiency.

绝缘材料由闭孔聚氨酯组成,以提高能源效率。

5.The new paint we used contains special urethanes which provide a durable finish.

我们使用的新油漆含有特殊的聚氨酯,可以提供耐用的表面。

6.Many automotive manufacturers prefer urethanes for their adhesive properties.

许多汽车制造商更喜欢使用聚氨酯作为粘合剂,因为它们的粘合特性。

7.We decided to use urethanes in our foam products for better elasticity.

我们决定在泡沫产品中使用聚氨酯以获得更好的弹性。

8.The flooring in this building is made from urethanes that are resistant to scratches.

这栋建筑的地板是由抗刮擦的聚氨酯制成的。

作文

Urethanes are a versatile group of compounds that have gained significant importance in various industries due to their unique properties. As a type of polymer, urethanes (聚氨酯) can be found in numerous applications ranging from coatings and adhesives to flexible foams and elastomers. Their ability to be tailored for specific needs makes them an attractive choice for manufacturers looking to enhance the performance of their products.One of the most notable characteristics of urethanes (聚氨酯) is their durability. They exhibit excellent resistance to abrasion, chemicals, and weathering, which makes them ideal for use in outdoor applications such as sealants and protective coatings. For instance, many construction materials incorporate urethanes (聚氨酯) to ensure longevity and resilience against harsh environmental conditions.In the automotive industry, urethanes (聚氨酯) play a crucial role in enhancing vehicle performance. They are commonly used in manufacturing parts such as bumpers and interior components, where flexibility and strength are paramount. The lightweight nature of urethanes (聚氨酯) also contributes to improved fuel efficiency, as lighter vehicles require less energy to operate.Moreover, urethanes (聚氨酯) are widely utilized in the production of foam materials. Flexible foams made from urethanes (聚氨酯) are popular in furniture and bedding industries due to their comfort and support. These foams can be engineered to provide varying degrees of firmness, catering to consumer preferences and enhancing overall user experience.Another important application of urethanes (聚氨酯) is in the field of medical devices. Biocompatible urethanes (聚氨酯) are used in catheters, wound dressings, and other medical applications where safety and performance are critical. The ability to customize the physical and chemical properties of urethanes (聚氨酯) allows for innovations that improve patient outcomes and comfort.Despite their many advantages, the production and disposal of urethanes (聚氨酯) can pose environmental challenges. Some formulations may release harmful substances during manufacturing or when they break down in landfills. Consequently, there is an increasing push towards developing more sustainable urethanes (聚氨酯) that minimize environmental impact. Researchers are exploring bio-based alternatives and recycling methods to address these concerns, ensuring that the benefits of urethanes (聚氨酯) can be enjoyed without compromising the health of our planet.In conclusion, urethanes (聚氨酯) are essential materials that have revolutionized multiple industries through their unique properties and versatility. Their applications range from everyday items to critical medical devices, showcasing their broad utility. However, as we continue to rely on urethanes (聚氨酯), it is vital to consider their environmental footprint and strive for sustainable practices that balance innovation with ecological responsibility. By doing so, we can harness the full potential of urethanes (聚氨酯) while safeguarding our environment for future generations.

聚氨酯是一类多用途的化合物,由于其独特的性质,在各个行业中获得了重要地位。作为一种聚合物,urethanes(聚氨酯)可以在从涂料和粘合剂到柔性泡沫和弹性体的众多应用中找到它们的身影。它们的可定制性使得制造商在提升产品性能时非常青睐。urethanes(聚氨酯)最显著的特点之一是其耐用性。它们表现出优异的耐磨损、耐化学品和耐气候能力,使得它们在户外应用中理想,如密封剂和保护涂层。例如,许多建筑材料都采用了urethanes(聚氨酯),以确保其在恶劣环境条件下的持久性和韧性。在汽车行业中,urethanes(聚氨酯)在提升车辆性能方面发挥着至关重要的作用。它们通常用于制造保险杠和内部组件等部件,在这些部件中,灵活性和强度至关重要。urethanes(聚氨酯)的轻量化特性也有助于提高燃油效率,因为更轻的车辆需要更少的能量来操作。此外,urethanes(聚氨酯)广泛用于泡沫材料的生产。由urethanes(聚氨酯)制成的柔性泡沫因其舒适性和支持性而在家具和床上用品行业广受欢迎。这些泡沫可以根据消费者的偏好工程设计,以提供不同程度的坚硬度,从而增强整体用户体验。urethanes(聚氨酯)的另一个重要应用是在医疗设备领域。生物相容性的urethanes(聚氨酯)被用于导管、敷料和其他医疗应用中,在这些应用中,安全性和性能至关重要。定制urethanes(聚氨酯)的物理和化学性质的能力使得改进患者结果和舒适度的创新成为可能。尽管有许多优势,但urethanes(聚氨酯)的生产和处置可能会带来环境挑战。一些配方在生产过程中或在填埋场降解时可能释放有害物质。因此,越来越多的人呼吁开发更可持续的urethanes(聚氨酯),以最小化环境影响。研究人员正在探索基于生物的替代品和回收方法,以应对这些问题,确保人们能够享受urethanes(聚氨酯)的好处,而不损害我们星球的健康。总之,urethanes(聚氨酯)是必不可少的材料,它们通过独特的性质和多功能性革命化了多个行业。它们的应用范围从日常物品到关键的医疗设备,展示了它们的广泛实用性。然而,随着我们继续依赖urethanes(聚氨酯),考虑其环境足迹并努力实现可持续实践至关重要,这样可以平衡创新与生态责任。通过这样做,我们可以充分利用urethanes(聚氨酯)的潜力,同时为未来几代人保护我们的环境。