atactic polypropylene

简明释义

无规立构聚丙烯;

英英释义

例句

1.Manufacturers prefer atactic polypropylene 无规聚丙烯 for its excellent chemical resistance.

制造商更喜欢使用无规聚丙烯，因为它具有出色的化学耐受性。

2.The low density of atactic polypropylene 无规聚丙烯 makes it an ideal choice for packaging materials.

由于无规聚丙烯的低密度，它成为理想的包装材料选择。

3.In the textile industry, atactic polypropylene 无规聚丙烯 fibers are used to create lightweight and durable fabrics.

在纺织行业中，无规聚丙烯纤维用于制造轻便且耐用的面料。

4.The production of plastic containers often involves the use of atactic polypropylene, which is known for its clarity and flexibility.

塑料容器的生产通常涉及使用无规聚丙烯，它以其透明度和柔韧性而著称。

5.Researchers are exploring the use of atactic polypropylene 无规聚丙烯 in biodegradable products.

研究人员正在探索在可生物降解产品中使用无规聚丙烯。

作文

Atactic polypropylene, often abbreviated as APP, is a type of polypropylene that is characterized by its unique molecular structure. Unlike isotactic polypropylene, where the methyl groups are arranged in a regular pattern, atactic polypropylene (无规聚丙烯) has a random arrangement of these groups. This irregularity leads to distinct physical properties that make atactic polypropylene suitable for various applications. One of the most notable features of atactic polypropylene is its amorphous nature. Due to the randomness of its molecular structure, APP does not crystallize like its isotactic counterpart. This results in a material that is more flexible and less brittle, making it ideal for applications where elasticity is required. For instance, atactic polypropylene is commonly used in the production of adhesives, sealants, and coatings. Its ability to adhere well to surfaces while maintaining flexibility is a significant advantage in these applications.Moreover, atactic polypropylene has excellent clarity and low density, which makes it desirable for use in packaging materials. The transparency of APP allows for visibility of the contents inside, making it a popular choice for food packaging. Additionally, its lightweight nature can help reduce shipping costs and environmental impact.Another important aspect of atactic polypropylene is its chemical resistance. It is resistant to many chemicals, including acids and bases, which makes it suitable for use in various industrial applications. For example, APP can be found in laboratory equipment and containers that require durability against harsh substances.The production of atactic polypropylene involves the polymerization of propylene monomers using specific catalysts that promote the random arrangement of the methyl groups. This process can vary depending on the desired properties of the final product. Manufacturers can adjust parameters such as temperature and pressure to tailor the characteristics of APP to meet specific requirements.In recent years, the demand for atactic polypropylene has increased due to its versatility and performance. As industries continue to seek materials that are both effective and environmentally friendly, APP offers a sustainable option. Its recyclability and lower environmental footprint compared to other plastics position it as a favorable choice in the growing market for eco-friendly materials.In conclusion, atactic polypropylene (无规聚丙烯) is a remarkable material with a wide range of applications due to its unique properties. From its flexibility and clarity to its chemical resistance and sustainability, APP plays a critical role in various industries. Understanding the significance of atactic polypropylene helps us appreciate the advancements in polymer science and the ongoing efforts to create materials that meet modern demands.