polyol

简明释义

英[ˈpɒlɪˌɒl]美[pɒlɪɒl]

n. 多元醇；多羟基化合物

英英释义

单词用法

同义词

反义词

例句

1.The functionality of the polyether polyol is determined by the number of active hydroxyl groups per molecule.

功能聚醚多元醇，是由一些积极的羟基，每个团体分子。

2.The effects of amounts of polymer polyol and water, low unsaturated polyether polyol on properties of foam were discussed.

讨论了聚合物多元醇和水用量、低不饱和度聚醚等因素对泡沫性能的影响。

3.The synthesis of high molecular weight polyether polyol as well as the applications of such polyol are introduced in the paper.

介绍了高分子量低不饱和度聚醚的制备方法及其在聚氨酯泡沫、弹性体中的应用。

4.Influence of type and ratio of polyol, and NCO index on the properties of the adhesives were discussed.

考察了多元醇种类及配比、异氰酸酯指数等因素对材料性能的影响。

5.The polyol ether is a alkoxylated product of chemically treated natural material.

该醇醚是经化学处理的天然物质的烷氧基化产物。

6.High resilience polyurethane slabstock foam based on self-produced polyether polyol was prepared.

以自产聚醚多元醇为主要原料，试制成高回弹块状聚氨酯软泡。

7.Diglycerin is a polyol consisting of two molecules of glycerol bonded by an ether linkage.

双甘油是两分子甘油由一个醚键联接构成的多羟基化合物。

8.The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced.

介绍了合成硬质聚氨酯泡沫塑料的主要原料，包括主体成分和发泡剂、泡沫稳定剂等；

9.In the production of sugar-free candies, manufacturers often use polyol to provide sweetness without the calories.

在无糖糖果的生产中，制造商通常使用多元醇来提供甜味而不增加热量。

10.Many food products labeled as 'sugar-free' contain polyol as a sugar substitute.

许多标有“无糖”的食品含有多元醇作为糖的替代品。

11.Some people may experience digestive discomfort when consuming large amounts of polyol due to its laxative effect.

一些人在摄入大量多元醇时可能会感到消化不适，因为它具有泻药效果。

12.In the pharmaceutical industry, polyol is used as an excipient in various formulations.

在制药行业，多元醇被用作各种配方中的赋形剂。

13.The use of polyol in cosmetics helps to retain moisture and improve skin texture.

在化妆品中使用多元醇有助于保持水分并改善皮肤质地。

作文

Polyols are a class of organic compounds that contain multiple hydroxyl (–OH) groups. These compounds play an essential role in various industrial applications, especially in the production of polyurethanes and as sugar alcohols in the food industry. Understanding the significance of polyol (多元醇) can help us appreciate their versatility and functionality in both chemistry and everyday products. In the realm of food science, polyols (多元醇) are often used as sugar substitutes. Common examples include sorbitol, xylitol, and mannitol. These sugar alcohols provide sweetness with fewer calories than traditional sugars, making them popular choices for people looking to reduce their sugar intake. For instance, xylitol is not only sweet but also has dental benefits, as it can help reduce the risk of cavities. This makes polyols (多元醇) a valuable ingredient in sugar-free gum and dental care products. Moreover, polyols (多元醇) are crucial in the manufacturing of polyurethane foams. These materials are widely used in furniture, insulation, and automotive industries due to their durability and versatility. The reaction between polyols (多元醇) and isocyanates leads to the formation of polyurethane, which can be tailored for specific applications by altering the types of polyols (多元醇) used. This adaptability makes polyols (多元醇) indispensable in creating products that meet diverse consumer needs. The environmental impact of polyols (多元醇) should also be considered. Many polyols (多元醇) are derived from renewable resources, such as plant-based materials, which can reduce reliance on fossil fuels and lower carbon footprints. This shift towards bio-based polyols (多元醇) is part of a broader movement in the chemical industry to develop sustainable practices. By investing in research and development of bio-based polyols (多元醇), companies can contribute to a more sustainable future while still meeting market demands. In conclusion, polyols (多元醇) are multifaceted compounds that have significant implications in various industries, from food to manufacturing. Their ability to serve as sugar alternatives and key components in polyurethane production highlights their importance in our daily lives. As we continue to seek sustainable solutions, the role of polyols (多元醇) derived from renewable sources will likely become even more prominent. Understanding polyols (多元醇) not only enhances our knowledge of chemistry but also informs our choices as consumers in a world increasingly focused on health and sustainability.

多元醇是一类含有多个羟基（–OH）基团的有机化合物。这些化合物在各种工业应用中发挥着重要作用，尤其是在聚氨酯的生产和食品工业中的糖醇。理解polyol（多元醇）的重要性可以帮助我们欣赏它们在化学和日常产品中的多功能性和实用性。 在食品科学领域，polyols（多元醇）通常被用作糖替代品。常见的例子包括山梨醇、木糖醇和甘露醇。这些糖醇在提供甜味的同时，热量比传统糖少，使其成为希望减少糖摄入的人们的热门选择。例如，木糖醇不仅甜，还具有牙齿保健的好处，因为它可以帮助降低龋齿的风险。这使得polyols（多元醇）成为无糖口香糖和牙齿护理产品中的宝贵成分。 此外，polyols（多元醇）在聚氨酯泡沫的制造中至关重要。这些材料因其耐用性和多功能性而广泛应用于家具、绝缘和汽车工业。polyols（多元醇）与异氰酸酯之间的反应导致聚氨酯的形成，通过改变所使用的polyols（多元醇）类型，可以为特定应用量身定制。这种适应性使得polyols（多元醇）在创造满足消费者多样化需求的产品中不可或缺。 还应考虑polyols（多元醇）对环境的影响。许多polyols（多元醇）源自可再生资源，如植物材料，这可以减少对化石燃料的依赖并降低碳足迹。这种向生物基polyols（多元醇）的转变是化学工业朝着可持续实践发展的更广泛运动的一部分。通过投资于生物基polyols（多元醇）的研发，公司可以在满足市场需求的同时，为更可持续的未来做出贡献。 总之，polyols（多元醇）是多面化的化合物，在从食品到制造等各个行业中具有重要意义。它们作为糖替代品和聚氨酯生产中关键成分的能力突显了它们在我们日常生活中的重要性。随着我们继续寻求可持续解决方案，来自可再生资源的polyols（多元醇）的角色可能会变得更加突出。理解polyols（多元醇）不仅增强了我们对化学的知识，也为我们在一个越来越关注健康和可持续性的世界中作为消费者的选择提供了信息。