polyvinyl alcohol

简明释义

聚乙烯醇

英英释义

例句

1.Researchers are exploring the use of polyvinyl alcohol in drug delivery systems.

研究人员正在探索在药物递送系统中使用聚乙烯醇。

2.To create a protective coating, manufacturers often use polyvinyl alcohol as a base material.

为了创建保护涂层，制造商通常使用聚乙烯醇作为基础材料。

3.The film made from polyvinyl alcohol is biodegradable and environmentally friendly.

由聚乙烯醇制成的薄膜是可生物降解且环保的。

4.The adhesive properties of polyvinyl alcohol make it suitable for various packaging applications.

聚乙烯醇的粘合特性使其适用于各种包装应用。

5.In the textile industry, polyvinyl alcohol is used as a sizing agent to improve fabric strength.

在纺织行业中，聚乙烯醇被用作浆料，以提高织物的强度。

作文

Polyvinyl alcohol, often abbreviated as polyvinyl alcohol, is a synthetic polymer that has gained considerable attention in various industries due to its unique properties and versatile applications. This water-soluble polymer is derived from the polymerization of vinyl acetate, which is subsequently hydrolyzed to produce polyvinyl alcohol. The resulting material is known for its excellent film-forming abilities, high tensile strength, and resistance to grease and oils, making it an ideal candidate for a multitude of uses.One of the primary applications of polyvinyl alcohol is in the production of biodegradable films. As environmental concerns continue to rise, the demand for sustainable packaging solutions has increased significantly. Biodegradable films made from polyvinyl alcohol offer a promising alternative to traditional plastic films, as they can break down more easily in the environment. These films are not only eco-friendly but also maintain the necessary barrier properties required for food preservation, ensuring that products remain fresh while minimizing environmental impact.In addition to packaging, polyvinyl alcohol is widely used in the textile industry. It serves as a sizing agent, helping to improve the strength and durability of fabrics. When applied to textiles, polyvinyl alcohol enhances the fabric's ability to withstand wear and tear, making it suitable for a wide range of applications, from everyday clothing to industrial textiles. Moreover, the use of polyvinyl alcohol in textiles can also contribute to improved dye uptake, allowing for vibrant colors and better overall quality in finished products.Another significant application of polyvinyl alcohol is in the field of adhesives and coatings. Its adhesive properties make it an effective component in glue formulations, providing strong bonding capabilities for various materials. Additionally, polyvinyl alcohol is used in coatings to provide a protective layer on surfaces, enhancing durability and resistance to moisture and chemicals. This makes it particularly valuable in construction and automotive industries, where long-lasting and reliable materials are essential.The pharmaceutical industry also benefits from polyvinyl alcohol due to its biocompatibility and non-toxic nature. It is often used in drug delivery systems, where it can help control the release of medications in the body. Furthermore, polyvinyl alcohol is utilized in the development of contact lenses and other medical devices, ensuring safety and effectiveness in various healthcare applications.Despite its many advantages, it is essential to consider the potential environmental impact of polyvinyl alcohol. While it is biodegradable under certain conditions, improper disposal can still lead to pollution. Therefore, ongoing research and development efforts are focused on improving the biodegradability of polyvinyl alcohol and finding innovative ways to recycle and repurpose this material.In conclusion, polyvinyl alcohol is a remarkable polymer with a wide array of applications across various industries. Its unique properties, such as water solubility, film-forming capabilities, and biocompatibility, make it an invaluable resource in the quest for sustainable and efficient materials. As technology advances and environmental awareness grows, the role of polyvinyl alcohol is likely to expand even further, paving the way for new innovations that benefit both industry and the planet.

聚乙烯醇，通常缩写为聚乙烯醇，是一种合成聚合物，由于其独特的性质和多种应用，受到了各个行业的广泛关注。这种水溶性聚合物源自醋酸乙烯的聚合，随后经过水解生成聚乙烯醇。所得到的材料以其优异的成膜能力、高抗拉强度以及对油脂和油的抵抗力而闻名，使其成为多种用途的理想选择。聚乙烯醇的主要应用之一是在生物降解薄膜的生产中。随着环境问题的日益严重，对可持续包装解决方案的需求显著增加。由聚乙烯醇制成的生物降解薄膜提供了传统塑料薄膜的有希望的替代品，因为它们在环境中更容易分解。这些薄膜不仅环保，而且保持了食品保存所需的必要屏障性能，确保产品的新鲜，同时最大限度地减少对环境的影响。除了包装，聚乙烯醇在纺织行业也得到了广泛应用。它作为一种上浆剂，有助于提高织物的强度和耐用性。当应用于纺织品时，聚乙烯醇增强了织物抵御磨损的能力，使其适用于从日常服装到工业纺织品的广泛应用。此外，聚乙烯醇在纺织品中的使用还可以改善染料吸收，使成品颜色鲜艳，整体质量更佳。聚乙烯醇的另一个重要应用是在粘合剂和涂料领域。其粘合特性使其成为胶水配方中的有效成分，为各种材料提供强大的粘合能力。此外，聚乙烯醇用于涂料中，为表面提供保护层，增强耐用性和对湿气与化学品的抵抗力。这使其在建筑和汽车行业特别有价值，在这些行业中，持久可靠的材料至关重要。制药行业也因聚乙烯醇的生物相容性和无毒性而受益。它常用于药物输送系统，帮助控制药物在体内的释放。此外，聚乙烯醇还用于隐形眼镜和其他医疗设备的开发，确保在各种医疗应用中的安全性和有效性。尽管有许多优点，但仍需考虑聚乙烯醇可能对环境造成的影响。虽然在某些条件下是可生物降解的，但不当处置仍可能导致污染。因此，持续的研究和开发工作集中在改善聚乙烯醇的生物降解性以及寻找创新的方法来回收和再利用这种材料。总之，聚乙烯醇是一种出色的聚合物，在各个行业中具有广泛的应用。其独特的性质，如水溶性、成膜能力和生物相容性，使其成为在追求可持续和高效材料方面的重要资源。随着技术的进步和环境意识的提高，聚乙烯醇的作用可能会进一步扩大，为有利于工业和地球的新创新铺平道路。