polycarbonates

简明释义

英[ˌpɒlɪˈkɑːbənəts]美[ˌpɑlɪˈkɑrbəˌneɪts]

[高分子] 聚碳酸酯

英英释义

单词用法

同义词

反义词

例句

1.The invention further provides novel bisphenols and their use for preparing (co) polycarbonates.

本发明还提供了新的双酚和其用于制备(共)聚碳酸酯的应用。

2.The first chapter of this thesis gives a general introduction to biodegradable aliphatic polycarbonates including their structures, syntheses and applications.

论文第一章对生物可降解脂肪族聚碳酸酯的种类、结构、合成方法及应用作了简要概述。

3.Enclosure is made of casting aluminum alloy with little distortation and high intensity; transparent guard is made of moulded high-intensity polycarbonates;

壳体采用特殊铝合金压铸而成，其变形量小，强度高；透明罩采用高强度聚碳酸脂模压成型；

4.Using CO2 to synthesize aliphatic polycarbonates has great conducting significance for utilization of reproducible resource effectively and exploring green polymer field.

以二氧化碳作为原料合成聚碳酸酯，对可再生资源的利用以及绿色聚合物领域的开辟有着重要的指导意义。

5.Using CO2 to synthesize aliphatic polycarbonates has great conducting significance for utilization of reproducible resource effectively and exploring green polymer field.

以二氧化碳作为原料合成聚碳酸酯，对可再生资源的利用以及绿色聚合物领域的开辟有着重要的指导意义。

6.The automotive industry utilizes polycarbonates for headlight covers to enhance visibility and safety.

汽车行业利用聚碳酸酯制造车灯罩，以增强可见性和安全性。

7.The safety goggles are made from polycarbonates, which provide excellent impact resistance.

这些安全护目镜是由聚碳酸酯制成的，具有出色的抗冲击性。

8.The optical lenses are crafted from polycarbonates due to their lightweight and shatterproof properties.

光学镜片是由聚碳酸酯制成的，因为它们轻便且不易破碎。

9.In construction, polycarbonates are often used for skylights because they allow natural light while providing insulation.

在建筑中，聚碳酸酯常用于天窗，因为它们可以让自然光透入，同时提供绝缘效果。

10.Many electronic devices use polycarbonates for their housings to ensure durability.

许多电子设备使用聚碳酸酯作为外壳，以确保耐用性。

作文

Polycarbonates are a group of thermoplastic polymers that are known for their high impact resistance and optical clarity. These materials have been widely used in various applications due to their unique properties. One of the most significant advantages of polycarbonates (聚碳酸酯) is their ability to withstand extreme temperatures, making them suitable for both hot and cold environments. This makes polycarbonates (聚碳酸酯) an ideal choice for products that require durability and resilience. In addition to their thermal stability, polycarbonates (聚碳酸酯) also possess excellent transparency, which is why they are commonly used in the production of eyewear lenses, safety goggles, and even in the automotive industry for headlight covers. The clarity of polycarbonates (聚碳酸酯) allows for high visibility while providing protection against impacts. Moreover, these materials can be easily molded into different shapes, giving designers and manufacturers a great deal of flexibility in creating innovative products.Another notable feature of polycarbonates (聚碳酸酯) is their lightweight nature. Compared to glass, polycarbonates (聚碳酸酯) are significantly lighter, which reduces the overall weight of products without compromising strength. This characteristic is particularly beneficial in industries such as aerospace and automotive, where weight reduction is crucial for improving fuel efficiency and performance.However, despite their many advantages, polycarbonates (聚碳酸酯) also have some limitations. They can be prone to scratching, which may affect their optical clarity over time. To address this issue, manufacturers often apply coatings to enhance scratch resistance. Additionally, polycarbonates (聚碳酸酯) can be sensitive to UV radiation, which may cause yellowing and degradation if not properly treated. As a result, it is essential to consider the specific application and environmental conditions when choosing polycarbonates (聚碳酸酯) for a particular product.The recycling of polycarbonates (聚碳酸酯) is another important aspect to consider. As the world becomes more environmentally conscious, there is a growing demand for sustainable materials. Fortunately, polycarbonates (聚碳酸酯) can be recycled, which helps to reduce waste and promote a circular economy. By reprocessing used polycarbonates (聚碳酸酯), manufacturers can create new products while minimizing the environmental impact of plastic waste.In conclusion, polycarbonates (聚碳酸酯) are versatile materials that offer a wide range of benefits, including high impact resistance, optical clarity, and lightweight properties. While they do have some limitations, advancements in technology and recycling processes continue to enhance their usability and sustainability. As industries seek innovative solutions for various applications, polycarbonates (聚碳酸酯) will undoubtedly play a significant role in shaping the future of materials science.