polyvinyl chloride

简明释义

聚氯乙烯

英英释义

例句

1.The pipes in our plumbing system are made from polyvinyl chloride (聚氯乙烯), which is known for its durability.

我们水管系统中的管道是由聚氯乙烯（polyvinyl chloride）制成的，以其耐用性而闻名。

2.For waterproofing, we used a coating made of polyvinyl chloride (聚氯乙烯).

为了防水，我们使用了一种由聚氯乙烯（polyvinyl chloride）制成的涂层。

3.The insulation on electrical cables often consists of polyvinyl chloride (聚氯乙烯) for safety.

电缆的绝缘材料通常由聚氯乙烯（polyvinyl chloride）构成，以确保安全。

4.The flooring in our office is installed with polyvinyl chloride (聚氯乙烯) tiles that are easy to clean.

我们办公室的地板是用聚氯乙烯（polyvinyl chloride）瓷砖铺设的，容易清洁。

5.Many credit cards are made from polyvinyl chloride (聚氯乙烯) due to its flexibility and strength.

许多信用卡是由聚氯乙烯（polyvinyl chloride）制成的，因为它具有灵活性和强度。

作文

Polyvinyl chloride, often abbreviated as PVC, is one of the most widely used synthetic plastic polymers in the world. Its versatility and durability make it a popular choice in various applications, ranging from construction materials to medical devices. The origins of polyvinyl chloride can be traced back to the 19th century when it was first discovered by accident. However, it wasn't until the mid-20th century that its potential was recognized, leading to rapid industrial production and widespread use.One of the primary advantages of polyvinyl chloride is its resistance to environmental degradation. Unlike other materials, PVC does not easily corrode or break down when exposed to moisture, chemicals, or UV light. This makes it an ideal material for outdoor applications, such as siding, roofing, and fencing. Additionally, polyvinyl chloride can be produced in a variety of forms, including rigid and flexible variants. Rigid PVC is commonly used in pipes and fittings, while flexible polyvinyl chloride is often found in electrical cables and flooring.The manufacturing process of polyvinyl chloride involves polymerizing vinyl chloride monomer (VCM), a gas that can be hazardous if not handled properly. Safety measures are crucial during production to prevent exposure to toxic substances. Once produced, PVC can be further processed through methods such as extrusion, injection molding, and calendering, allowing it to take on various shapes and forms suitable for diverse applications.In addition to its practical uses, polyvinyl chloride is also known for its cost-effectiveness. It is generally less expensive than other types of plastics, making it an attractive option for manufacturers looking to reduce costs without sacrificing quality. This affordability has contributed to its widespread adoption across different industries, including construction, automotive, and consumer goods.However, the use of polyvinyl chloride has raised environmental concerns. The production and disposal of PVC can release harmful chemicals into the environment, leading to pollution and health risks. For instance, the incineration of polyvinyl chloride can produce dioxins, which are highly toxic compounds that can have serious health effects. As a result, there is a growing movement towards finding more sustainable alternatives and improving recycling methods for PVC products.Despite these challenges, efforts are being made to enhance the sustainability of polyvinyl chloride. Innovations in recycling technologies are helping to reduce waste and promote circular economy practices. Some companies are now producing PVC from renewable resources or developing additives that improve the material's environmental profile.In conclusion, polyvinyl chloride is a remarkable material with a wide range of applications due to its durability, versatility, and cost-effectiveness. While there are legitimate concerns regarding its environmental impact, ongoing research and development in the field of sustainable materials offer hope for a future where PVC can be used responsibly. As we continue to navigate the challenges of modern material science, understanding the properties and implications of polyvinyl chloride will be essential for creating a more sustainable future.

聚氯乙烯，通常缩写为PVC，是世界上使用最广泛的合成塑料聚合物之一。它的多功能性和耐用性使其在各种应用中成为热门选择，从建筑材料到医疗设备。聚氯乙烯的起源可以追溯到19世纪，当时它是偶然发现的。然而，直到20世纪中叶，它的潜力才被认识到，导致了快速的工业生产和广泛使用。聚氯乙烯的主要优势之一是其对环境降解的抵抗力。与其他材料不同，PVC在暴露于潮湿、化学物质或紫外线时不容易腐蚀或分解。这使其成为户外应用的理想材料，例如外墙、屋顶和围栏。此外，聚氯乙烯可以以多种形式生产，包括刚性和柔性变体。刚性PVC通常用于管道和配件，而柔性聚氯乙烯则常见于电缆和地板。聚氯乙烯的制造过程涉及聚合氯乙烯单体（VCM），这是一种气体，如果处理不当可能会有危险。在生产过程中，安全措施至关重要，以防止接触有毒物质。一旦生产出来，PVC可以通过挤出、注塑和压延等方法进一步加工，使其能够适应不同应用所需的各种形状和形式。除了其实用用途外，聚氯乙烯还以其成本效益而闻名。它通常比其他类型的塑料便宜，使其成为制造商希望降低成本而不牺牲质量的吸引选项。这种经济实惠性促进了其在建筑、汽车和消费品等不同行业的广泛采用。然而，使用聚氯乙烯引发了环境问题。PVC的生产和处置可能会向环境释放有害化学物质，导致污染和健康风险。例如，焚烧聚氯乙烯可能会产生二恶英，这是一种高度有毒的化合物，可能对健康造成严重影响。因此，越来越多的人开始寻找更可持续的替代方案并改善PVC产品的回收方法。尽管面临这些挑战，但正在努力提高聚氯乙烯的可持续性。回收技术的创新正在帮助减少废物并促进循环经济实践。一些公司现在正从可再生资源中生产PVC，或开发改善材料环境特性的添加剂。总之，聚氯乙烯是一种非凡的材料，由于其耐用性、多功能性和成本效益，在广泛的应用中得到了应用。虽然关于其环境影响的担忧是合理的，但在可持续材料领域的持续研究和开发为未来负责任地使用PVC提供了希望。当我们继续应对现代材料科学的挑战时，理解聚氯乙烯的特性和影响将对创造更可持续的未来至关重要。