polymethyl methacrylate

简明释义

聚甲基丙烯酸酯

英英释义

例句

1.The display case was constructed using polymethyl methacrylate to provide clarity and durability.

展示柜是用聚甲基丙烯酸甲酯建造的，以提供清晰度和耐用性。

2.In dental applications, polymethyl methacrylate is commonly used for making dentures.

在牙科应用中，聚甲基丙烯酸甲酯常用于制作假牙。

3.Architects often choose polymethyl methacrylate for its excellent light transmission properties.

建筑师常常选择聚甲基丙烯酸甲酯，因为它具有优良的光透过率。

4.The lens of the glasses is made from polymethyl methacrylate, which is lightweight and shatter-resistant.

眼镜的镜片由聚甲基丙烯酸甲酯制成，轻便且抗碎裂。

5.When creating prototypes, designers prefer polymethyl methacrylate due to its easy machining.

在制作原型时，设计师更喜欢聚甲基丙烯酸甲酯，因为它易于加工。

作文

Polymethyl methacrylate (PMMA) is a synthetic polymer that has gained significant attention in various fields due to its remarkable properties. It is commonly known as acrylic or acrylic glass and is widely used as a lightweight, shatter-resistant alternative to glass. The chemical structure of polymethyl methacrylate makes it an excellent choice for applications requiring transparency and durability. This polymer is produced through the polymerization of methyl methacrylate, which is a clear liquid that can be easily molded into different shapes. One of the most notable features of polymethyl methacrylate is its optical clarity. With a light transmittance of over 92%, PMMA is often used in products like lenses, displays, and protective barriers. Its ability to transmit light makes it a preferred material in the manufacturing of optical devices, including eyeglasses and camera lenses. Furthermore, PMMA is resistant to UV radiation, which means it does not yellow or degrade when exposed to sunlight, making it ideal for outdoor applications.In addition to its optical properties, polymethyl methacrylate is also known for its mechanical strength. It is significantly more impact-resistant than traditional glass, which makes it a safer option for various applications. For instance, PMMA is used in the construction of safety shields, aquariums, and even in the automotive industry for windows and taillights. Its lightweight nature also contributes to fuel efficiency in vehicles, as less weight translates to lower energy consumption.Another important aspect of polymethyl methacrylate is its versatility. It can be easily fabricated into different forms, such as sheets, rods, and tubes, allowing it to be used in a wide range of applications. In the medical field, PMMA is utilized in dental products, orthopedic implants, and drug delivery systems. Its biocompatibility makes it suitable for use within the human body, and it has been successfully employed in various surgical procedures.However, while polymethyl methacrylate offers numerous advantages, it is essential to consider some of its limitations. For example, although PMMA is resistant to many chemicals, it can be susceptible to damage from certain solvents and can scratch more easily than glass. Additionally, the production process of PMMA can be energy-intensive, raising concerns about its environmental impact. As a result, researchers are continuously exploring ways to improve the sustainability of PMMA and develop eco-friendly alternatives.In conclusion, polymethyl methacrylate is a remarkable synthetic polymer with a wide range of applications due to its unique properties. Its optical clarity, mechanical strength, and versatility make it a valuable material in industries ranging from optics and automotive to medicine and construction. While there are challenges associated with its use, ongoing research and innovation may lead to improved formulations and more sustainable practices in the future. Understanding the potential and limitations of polymethyl methacrylate is crucial for anyone involved in fields that utilize this versatile material.

聚甲基丙烯酸酯（PMMA）是一种合成聚合物，由于其显著的特性，在各个领域引起了广泛关注。它通常被称为丙烯酸或丙烯酸玻璃，广泛用作轻质、抗碎裂的玻璃替代品。聚甲基丙烯酸酯的化学结构使其成为需要透明度和耐用性的应用的绝佳选择。这种聚合物是通过聚合甲基丙烯酸酯生产的，甲基丙烯酸酯是一种可以轻松模塑成不同形状的清澈液体。聚甲基丙烯酸酯最显著的特点之一是其光学清晰度。其光透过率超过92%，PMMA常用于镜片、显示器和保护屏障等产品。其传递光线的能力使其成为制造光学设备的首选材料，包括眼镜和相机镜头。此外，PMMA对紫外线辐射具有抵抗力，这意味着它在阳光照射下不会变黄或降解，因此非常适合户外应用。除了光学特性，聚甲基丙烯酸酯还以其机械强度而闻名。它的抗冲击性明显高于传统玻璃，这使其成为各种应用中的更安全选择。例如，PMMA用于安全护盾、水族箱，甚至在汽车工业中用于窗户和尾灯。其轻巧的特性也有助于提高车辆的燃油效率，因为较低的重量意味着更低的能耗。聚甲基丙烯酸酯的另一个重要方面是其多功能性。它可以轻松加工成不同的形式，如板材、杆材和管材，使其能够用于广泛的应用。在医疗领域，PMMA被用于牙科产品、骨科植入物和药物输送系统。其生物相容性使其适合在人体内使用，并已成功应用于各种外科手术。然而，虽然聚甲基丙烯酸酯提供了许多优点，但考虑到一些限制也是至关重要的。例如，尽管PMMA对许多化学物质具有抗性，但它可能会受到某些溶剂的损害，并且比玻璃更容易划伤。此外，PMMA的生产过程可能耗能较大，引发对其环境影响的担忧。因此，研究人员正在不断探索改善PMMA可持续性和开发环保替代品的方法。总之，聚甲基丙烯酸酯是一种出色的合成聚合物，由于其独特的特性，具有广泛的应用。其光学清晰度、机械强度和多功能性使其在光学、汽车、医学和建筑等行业中成为一种宝贵材料。尽管其使用存在挑战，但持续的研究和创新可能会导致更好的配方和更可持续的实践。理解聚甲基丙烯酸酯的潜力和局限性对于任何参与利用这种多功能材料的领域的人来说都是至关重要的。