phthalic

简明释义

英[ˈθælɪk]美['θælɪk]

adj. 邻苯二甲酸的，酞酸的

英英释义

单词用法

同义词

反义词

例句

1.The condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.

邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。

2.The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.

对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。

3.This was observed with the phthalic half-ester of cellulose due to formation of an insoluble triethylamine salt.

通过不溶的三乙胺盐的形成，用纤维素的邻苯二甲酸半酯可以观察到此现象。

4.Raw materials of synthetic fibre: phthalic acid acrylonitrile caprolactam nylon66salt etc.

合成纤维原料：精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。

5.Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride, butyl alcohol and lauryl alcohol as reactants.

研究了以聚乙二醇400（PEG-400）为催化剂，以邻苯二甲酸酐、 正丁醇、 月桂醇为原料合成邻苯二甲酸丁基月桂酯（BLP）的试验过程。

6.The total concentrations of terephthalic acid and phthalic acid were higher in summer and winter, but lower in spring and autumn.

对苯二甲酸和邻苯二甲酸的质量浓度之和在夏、冬季较高，春、秋季较低。

7.Some phthalic esters are precedent-controlled harmful pollutants to the Environmental Protection Agency(EPA).

其中一些属于美国国家环保局（EPA）优先控制的环境激素类污染物。

8.Phthalic acid ester two two heating after degradation to generate carbon monoxide and carbon dioxide.

邻苯二甲酸二甲酯受热后降解生成一氧化碳和二氧化碳。

9.The hydrolysis kinetics of phthalic anhydride was investigated.

对邻苯二甲酸酐水解反应动力学进行了研究。

10.The chemical structure of phthalic (邻苯二甲酸) acid is crucial in the production of plasticizers.

邻苯二甲酸的化学结构在增塑剂的生产中至关重要。

11.Environmental regulations are becoming stricter regarding phthalic (邻苯二甲酸) derivatives in consumer products.

关于消费品中邻苯二甲酸衍生物的环境法规越来越严格。

12.The use of phthalic (邻苯二甲酸) acid in the synthesis of resins is well-documented.

邻苯二甲酸在树脂合成中的使用有充分的文献记录。

13.Many dyes are derived from phthalic (邻苯二甲酸) anhydride, enhancing their colorfastness.

许多染料源自邻苯二甲酸酐，提高了它们的色牢度。

14.In the manufacturing process, phthalic (邻苯二甲酸) compounds are often used to improve flexibility in plastics.

在制造过程中，邻苯二甲酸化合物通常用于改善塑料的柔韧性。

作文

Phthalic acid, often referred to simply as phthalic acid, is a significant compound in the world of organic chemistry. It is primarily used in the production of plasticizers, which are substances added to materials to increase their flexibility, transparency, and durability. The importance of phthalic acid cannot be overstated, as it plays a crucial role in various industries, including construction, automotive, and consumer goods. The chemical structure of phthalic acid consists of two carboxylic acid groups attached to a benzene ring. This unique structure allows for a wide range of chemical reactions, making it a versatile building block in synthetic organic chemistry. One of the most common derivatives of phthalic acid is diethyl phthalate, which is widely used as a plasticizer in polyvinyl chloride (PVC) products. These products are ubiquitous in our daily lives, from plumbing pipes to flooring materials. However, the use of phthalic acid and its derivatives has raised environmental and health concerns. Studies have shown that certain phthalic compounds can leach out of plastics and enter the human body, potentially leading to adverse health effects. As a result, regulatory bodies around the world have begun to scrutinize the use of phthalic acid and its derivatives in consumer products. This has prompted manufacturers to seek alternatives that do not pose the same risks. In addition to its applications in plastic production, phthalic acid is also utilized in the synthesis of dyes, pigments, and pharmaceuticals. For instance, it serves as a precursor for the production of various colorants that are essential in the textile industry. The ability of phthalic acid to form stable complexes with metal ions enhances its value in these applications. Moreover, the study of phthalic acid has led to advancements in analytical chemistry. Researchers have developed methods to detect and quantify phthalic compounds in environmental samples, which is crucial for monitoring pollution levels and ensuring public safety. These analytical techniques have become vital tools for environmental scientists and regulatory agencies. As we continue to explore the properties and applications of phthalic acid, it is essential to balance its industrial benefits with the potential risks it poses to human health and the environment. The ongoing research into safer alternatives and more sustainable practices will play a significant role in shaping the future of this important compound. In conclusion, phthalic acid is a fundamental substance in organic chemistry with diverse applications, but it also presents challenges that require careful consideration and responsible management. Understanding the implications of phthalic acid usage is vital for both consumers and manufacturers alike, as we strive for a safer and more sustainable future.

邻苯二甲酸，通常简称为邻苯二甲酸，在有机化学领域是一个重要的化合物。它主要用于生产增塑剂，这些物质被添加到材料中以增加其柔韧性、透明度和耐用性。邻苯二甲酸的重要性不容小觑，因为它在建筑、汽车和消费品等多个行业中发挥着关键作用。邻苯二甲酸的化学结构由两个羧酸基团连接在苯环上。这种独特的结构允许进行广泛的化学反应，使其成为合成有机化学中的多功能构件。邻苯二甲酸的一个常见衍生物是二乙基邻苯二甲酸酯，它广泛用作聚氯乙烯（PVC）产品中的增塑剂。这些产品在我们的日常生活中无处不在，从管道到地板材料。然而，邻苯二甲酸及其衍生物的使用引发了环境和健康方面的担忧。研究表明，某些邻苯二甲酸化合物可能会从塑料中渗出并进入人体，可能导致不良健康影响。因此，世界各地的监管机构开始审查邻苯二甲酸及其衍生物在消费品中的使用。这促使制造商寻求不具有相同风险的替代品。除了在塑料生产中的应用外，邻苯二甲酸还用于染料、颜料和药品的合成。例如，它作为各种色素的前体，在纺织行业中至关重要。邻苯二甲酸与金属离子形成稳定配合物的能力增强了其在这些应用中的价值。此外，邻苯二甲酸的研究推动了分析化学的发展。研究人员已经开发出检测和定量环境样本中邻苯二甲酸化合物的方法，这对于监测污染水平和确保公众安全至关重要。这些分析技术已成为环境科学家和监管机构的重要工具。随着我们继续探索邻苯二甲酸的性质和应用，平衡其工业利益与对人类健康和环境潜在风险的关系至关重要。对更安全替代品和更可持续实践的持续研究将在塑造这一重要化合物的未来中发挥重要作用。总之，邻苯二甲酸是有机化学中的一种基本物质，具有多种应用，但也带来了需要仔细考虑和负责任管理的挑战。了解邻苯二甲酸使用的影响对消费者和制造商都至关重要，因为我们努力实现一个更安全、更可持续的未来。