thermosetting plastics
简明释义
热固性塑料
英英释义
Thermosetting plastics are a type of polymer that becomes irreversibly hard when heated and cannot be remolded or reheated after the initial setting process. | 热固性塑料是一种聚合物,经过加热后会不可逆转地变硬,初次固化后无法重新成型或加热。 |
例句
1.Due to their resistance to chemicals, thermosetting plastics 热固性塑料 are ideal for laboratory equipment.
由于耐化学品,热固性塑料 thermosetting plastics 非常适合用于实验室设备。
2.The automotive industry often uses thermosetting plastics 热固性塑料 for parts that require high durability.
汽车工业通常使用热固性塑料 thermosetting plastics 制造需要高耐久性的部件。
3.Manufacturers prefer thermosetting plastics 热固性塑料 for their ability to maintain shape under heat.
制造商更喜欢使用热固性塑料 thermosetting plastics,因为它们能在高温下保持形状。
4.In electronics, thermosetting plastics 热固性塑料 are used to insulate components and prevent overheating.
在电子产品中,热固性塑料 thermosetting plastics 被用来绝缘组件并防止过热。
5.The use of thermosetting plastics 热固性塑料 in construction provides strong and long-lasting materials.
在建筑中使用热固性塑料 thermosetting plastics 提供了强大且持久的材料。
作文
Thermosetting plastics, also known as thermosets, are a class of polymers that undergo a chemical change when they are heated. This process, known as curing, transforms the material into a rigid structure that cannot be remolded or reshaped upon subsequent heating. The unique properties of thermosetting plastics (热固性塑料) make them particularly suitable for a variety of applications in industries such as automotive, aerospace, and electronics. Unlike thermoplastics, which can be melted and reshaped multiple times, thermosetting plastics (热固性塑料) maintain their form and strength after the initial setting process.One of the most significant advantages of thermosetting plastics (热固性塑料) is their superior thermal stability. Once cured, these materials can withstand high temperatures without losing their structural integrity. This property makes them ideal for applications where heat resistance is crucial, such as in electrical insulators, circuit boards, and engine components. Additionally, thermosetting plastics (热固性塑料) exhibit excellent chemical resistance, making them suitable for use in harsh environments where exposure to solvents and chemicals may occur.The curing process of thermosetting plastics (热固性塑料) typically involves the use of heat, pressure, or a chemical catalyst. Common examples of thermosetting plastics (热固性塑料) include epoxy resins, phenolic resins, and polyurethane. Each of these materials has its own unique properties and applications. For instance, epoxy resins are widely used in adhesives, coatings, and composite materials due to their strong bonding capabilities and durability.In addition to their mechanical and thermal properties, thermosetting plastics (热固性塑料) also offer advantages in terms of sustainability. Many of these materials can be formulated to be more environmentally friendly, using renewable resources and reducing the carbon footprint associated with their production. As industries increasingly focus on sustainability, the demand for thermosetting plastics (热固性塑料) that meet eco-friendly standards is likely to grow.Despite their many advantages, thermosetting plastics (热固性塑料) also have some limitations. The curing process can be time-consuming and requires careful control of temperature and pressure to ensure optimal results. Moreover, once cured, these materials cannot be recycled in the same way as thermoplastics, presenting challenges in waste management and environmental impact. However, ongoing research and development in the field of polymer science are addressing these issues, leading to innovations that enhance the recyclability and reusability of thermosetting plastics (热固性塑料).In conclusion, thermosetting plastics (热固性塑料) play a vital role in modern manufacturing and engineering. Their unique properties, including thermal stability, chemical resistance, and durability, make them indispensable in various applications. As technology advances and sustainability becomes a priority, the future of thermosetting plastics (热固性塑料) looks promising, with potential for new formulations and improved recycling methods that will further enhance their utility and reduce environmental impact.
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