crystalline polymer

简明释义

晶体状聚合物

英英释义

例句

1.The rigidity of crystalline polymers 结晶聚合物 contributes to their use in packaging materials.

结晶聚合物的刚性促进了它们在包装材料中的使用。

2.The thermal stability of crystalline polymers 结晶聚合物 allows them to be used in high-temperature environments.

结晶聚合物的热稳定性使其能够在高温环境中使用。

3.The mechanical properties of crystalline polymers 结晶聚合物 make them ideal for structural applications.

结晶聚合物的机械性能使它们非常适合用于结构应用。

4.Many crystalline polymers 结晶聚合物 exhibit low moisture absorption, making them suitable for electronics.

许多结晶聚合物表现出低水分吸收，使其适合用于电子产品。

5.In the production of plastics, crystalline polymers 结晶聚合物 are often preferred for their strength.

在塑料生产中，结晶聚合物因其强度而常被优先选择。

作文

Crystalline polymers are a fascinating class of materials that exhibit unique properties due to their ordered molecular structure. Unlike amorphous polymers, which have a random arrangement of molecules, crystalline polymer (结晶聚合物) possess a highly organized and repeating arrangement. This structural difference leads to several distinctive characteristics that make them valuable in various applications.One of the most notable properties of crystalline polymers (结晶聚合物) is their high melting point. The orderly arrangement of molecules allows for stronger intermolecular forces, which require more energy to break apart. As a result, materials such as polyethylene and polypropylene, both of which are examples of crystalline polymers (结晶聚合物), can withstand higher temperatures compared to their amorphous counterparts. This property makes them suitable for applications that involve heat exposure, such as in automotive parts and kitchenware.Additionally, crystalline polymers (结晶聚合物) tend to have excellent chemical resistance. Their tightly packed molecular structure provides a barrier against many solvents and chemicals, making them ideal for use in packaging and containers that need to preserve contents without contamination. For instance, polyvinyl chloride (PVC), another type of crystalline polymer (结晶聚合物), is widely used in pipes and fittings due to its durability and resistance to corrosive substances.The mechanical strength of crystalline polymers (结晶聚合物) is also noteworthy. The crystalline regions within these materials contribute to their tensile strength and rigidity. This characteristic is essential in applications such as construction materials and industrial components, where structural integrity is crucial. For example, nylon, a popular crystalline polymer (结晶聚合物), is used in the production of ropes, textiles, and automotive parts because of its superior strength and resistance to wear and tear.Moreover, the optical properties of crystalline polymers (结晶聚合物) can be quite impressive. Some crystalline polymers can be transparent or translucent, allowing for their use in optical applications. Polymethyl methacrylate (PMMA), often referred to as acrylic glass, is a crystalline polymer (结晶聚合物) that is widely used in lenses, screens, and lighting fixtures due to its clarity and light transmission capabilities.However, it is important to note that the crystallinity of a polymer can significantly affect its processing and performance. The degree of crystallinity can influence how a material behaves under stress, its thermal properties, and its overall durability. Therefore, understanding the balance between crystalline and amorphous regions in crystalline polymers (结晶聚合物) is crucial for engineers and material scientists when designing products for specific applications.In conclusion, crystalline polymers (结晶聚合物) are vital materials with unique properties that stem from their organized molecular structure. Their high melting points, chemical resistance, mechanical strength, and optical clarity make them suitable for a wide range of applications in various industries. As technology advances, the demand for innovative uses of crystalline polymers (结晶聚合物) is likely to grow, leading to new developments that could further enhance their functionality and versatility.