surface active agent

简明释义

表面活化剂

英英释义

例句

1.In cosmetics, a surface active agent 表面活性剂 is often used to improve the spreadability of lotions.

在化妆品中，表面活性剂通常用于改善乳液的涂抹性。

2.The cleaning solution works effectively due to the inclusion of a surface active agent 表面活性剂.

这种清洁剂因含有表面活性剂而有效果显著。

3.When making emulsions, a surface active agent 表面活性剂 is crucial for stabilizing the mixture.

在制作乳液时，表面活性剂对于稳定混合物至关重要。

4.The detergent contains a powerful surface active agent 表面活性剂 that helps to remove grease from dishes.

这款洗涤剂含有一种强效的表面活性剂，可以帮助去除餐具上的油脂。

5.The formulation of the paint includes a surface active agent 表面活性剂 to enhance adhesion to surfaces.

油漆的配方中包括一种表面活性剂以增强其对表面的附着力。

作文

In the world of chemistry and materials science, the term surface active agent refers to a substance that significantly alters the surface properties of a liquid. These agents are also known as surfactants, which are compounds that lower the surface tension between two substances, such as liquids or a liquid and a solid. The importance of surface active agents cannot be overstated, as they play crucial roles in various applications, including detergents, emulsifiers, foaming agents, and dispersants.To understand the functionality of surface active agents, it is essential to explore their molecular structure. Typically, these agents have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts within their molecules. This unique structure allows them to interact with both water and oils, making them effective in a wide range of environments. For instance, when added to water, a surface active agent reduces the water's surface tension, allowing it to spread more easily over surfaces. This property is particularly useful in cleaning products, where the ability to penetrate and lift dirt and grease is paramount.One of the most common applications of surface active agents is in household cleaning products. When we use dish soap, for example, we are utilizing a product that contains surfactants. These surfactants help break down food residues and grease, making it easier to wash dishes clean. Similarly, laundry detergents often contain surface active agents that help remove stains from fabrics by breaking the bond between the stain and the material.Beyond cleaning, surface active agents are also vital in the food industry. Emulsifiers, which are a type of surface active agent, help to stabilize mixtures of oil and water, preventing separation. This is particularly important in products like mayonnaise and salad dressings, where a smooth and consistent texture is desired. The role of surface active agents in food processing demonstrates their versatility and significance in everyday products.Moreover, surface active agents are employed in the pharmaceutical industry. They can enhance the solubility of drugs, improving their effectiveness and absorption in the body. By reducing surface tension, these agents facilitate the mixing of different components in drug formulations, ensuring that active ingredients are evenly distributed.However, it is important to note that while surface active agents offer numerous benefits, their environmental impact must also be considered. Some synthetic surfactants can be harmful to aquatic life and may contribute to pollution if not managed properly. As a result, there has been a growing interest in developing biodegradable and eco-friendly surface active agents that can minimize environmental harm while still providing the desired functionality.In conclusion, surface active agents are indispensable in various industries, from cleaning to food production and pharmaceuticals. Their ability to modify surface properties makes them crucial for enhancing the performance of numerous products we use daily. As research continues to advance, the development of sustainable surface active agents will likely become a priority, ensuring that we can enjoy their benefits without compromising the health of our planet.

在化学和材料科学的世界中，术语表面活性剂指的是显著改变液体表面特性的物质。这些剂也被称为表面活性剂，是降低两种物质之间表面张力的化合物，例如液体与固体之间的表面张力。表面活性剂的重要性不容小觑，因为它们在各种应用中发挥着至关重要的作用，包括清洁剂、乳化剂、发泡剂和分散剂。要理解表面活性剂的功能，必须探讨它们的分子结构。通常，这些剂在其分子中具有亲水（吸水）和疏水（排水）部分。这种独特的结构使它们能够与水和油相互作用，使它们在广泛的环境中有效。例如，当添加到水中时，表面活性剂降低了水的表面张力，使其更容易在表面上扩散。这一特性在清洁产品中尤为重要，因为渗透和去除污垢和油脂的能力至关重要。表面活性剂最常见的应用之一是在家用清洁产品中。当我们使用洗碗皂时，例如，我们正在利用一种含有表面活性剂的产品。这些表面活性剂帮助分解食物残留物和油脂，使洗净餐具变得更加容易。同样，洗衣粉通常含有表面活性剂，帮助从织物中去除污渍，通过打破污渍与材料之间的结合。除了清洁，表面活性剂在食品工业中也至关重要。乳化剂，作为一种表面活性剂，帮助稳定油和水的混合物，防止分离。这在像蛋黄酱和沙拉酱这样的产品中尤其重要，因为需要平滑和一致的质地。表面活性剂在食品加工中的作用展示了它们在日常产品中的多功能性和重要性。此外，表面活性剂还被应用于制药行业。它们可以增强药物的溶解度，提高其有效性和在体内的吸收。通过降低表面张力，这些剂促进药物配方中不同成分的混合，确保活性成分均匀分布。然而，重要的是要注意，虽然表面活性剂提供了许多好处，但它们的环境影响也必须考虑。一些合成表面活性剂可能对水生生物有害，并且如果管理不当，可能会导致污染。因此，开发可生物降解和环保的表面活性剂以尽量减少环境危害，同时仍提供所需功能，已成为越来越关注的焦点。总之，表面活性剂在各种行业中不可或缺，从清洁到食品生产和制药。它们修改表面特性的能力使它们对于增强我们日常使用的众多产品的性能至关重要。随着研究的不断深入，开发可持续的表面活性剂可能将成为优先事项，确保我们能够享受它们的好处而不损害地球的健康。