maleic

简明释义

英[mə'leɪɪk]美[ˈmeɪlɪk]

adj. 顺丁烯的

英英释义

单词用法

同义词

反义词

例句

1.This paper introduces the analysis of Maleic Hydrazide Residues in garlic with spectrophotometric Method.

介绍了马来酰肼在大蒜中残留量的分光光度分析方法。

2.An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.

用二环戊二烯，顺丁烯二酸和乙二醇合成不饱和聚酯，这种不饱和聚酯既可浇铸，也可以在空气中固化。

3.The effect of the emulsifier styrene maleic anhydride copolymer (SMA) on the emulsification and encapsulation of melamine formaldehyde resin microcapsule was studied.

以苯乙烯马来酸酐的共聚物树脂作为乳化剂，研究了其对形成蜜胺甲醛树脂微胶囊的乳化和成囊的作用机理。

4.The method for grafting maleic anhydride onto polypropylene resin can obtain the grafted polypropylene resin with relatively high grafting ratio, molecular weight and viscosity coefficient.

本发明的马来酸酐接枝聚丙烯树脂的方法可得到具有较高接枝率、分子量和粘度的接枝聚丙烯树脂。

5.A series of aqueous polyurethane dispersions (MCPU) with ionic groups in the soft segments were prepared with maleic anhydride modified castor oil (MCO) of various hydroxyl functionality.

采用羟基官能度不同的马来酸酐改性蓖麻油(MCO)，合成了一系列软段含有离子基的聚氨酯水分散液(MCPU)。

6.It is made from maleic modified resin through esterification with polyalcohol.

醇溶性马林酸树脂是由马林酸改性松香与多元醇酯化而成。

7.Researchers are studying the effects of maleic compounds on plant growth.

研究人员正在研究马来酸化合物对植物生长的影响。

8.In organic chemistry, maleic anhydride is a key intermediate for various chemical reactions.

在有机化学中，马来酸酐是各种化学反应的重要中间体。

9.The maleic structure is important for understanding its reactivity.

理解其反应性时，马来酸结构非常重要。

10.The reaction between maleic acid and glycerol produces a valuable polymer.

马来酸与甘油的反应产生一种有价值的聚合物。

11.The compound known as maleic acid is often used in the production of resins.

被称为马来酸的化合物常用于树脂的生产。

作文

In the world of organic chemistry, various compounds play crucial roles in different applications. One such compound is maleic acid, which is a dicarboxylic acid with the molecular formula C4H4O4. This compound has garnered attention due to its unique properties and versatile uses in various industries. Understanding the significance of maleic acid can provide insights into its applications and importance in our daily lives.Maleic acid was first isolated in the 19th century from the juice of certain plants, and since then, it has been synthesized for commercial use. The structure of maleic acid consists of two carboxyl groups (-COOH) attached to a double bond between two carbon atoms. This configuration allows maleic acid to undergo various chemical reactions, making it a valuable intermediate in the synthesis of numerous compounds.One of the primary uses of maleic acid is in the production of unsaturated polyesters. These materials are widely used in the manufacturing of fiberglass-reinforced plastics, which are employed in various applications, including automotive parts, boats, and construction materials. The ability of maleic acid to cross-link with other compounds enhances the durability and strength of these materials, making them suitable for demanding environments.Additionally, maleic acid is utilized in the synthesis of various agrochemicals, particularly herbicides and insecticides. Its reactive nature allows it to form esters and amides, which are essential components in the development of effective agricultural chemicals. By using maleic acid as a building block, chemists can create compounds that target specific pests while minimizing harm to beneficial organisms.Beyond industrial applications, maleic acid also finds its place in the food industry as a food additive. It is used as a flavoring agent and acidity regulator, enhancing the taste and stability of various food products. The safety of maleic acid has been evaluated by regulatory agencies, confirming its suitability for consumption within specified limits.Moreover, maleic acid has potential applications in the pharmaceutical industry. Research is ongoing to explore its role in drug delivery systems and as a precursor for active pharmaceutical ingredients. The unique chemical properties of maleic acid may lead to innovative solutions in medicine, improving the efficacy and targeting of therapeutic agents.In conclusion, the compound maleic acid plays a significant role in various sectors, from industrial manufacturing to food production and pharmaceuticals. Its unique chemical structure and reactivity make it a valuable asset in creating durable materials, effective agrochemicals, and safe food additives. As research continues to uncover new applications for maleic acid, its importance in both science and industry will undoubtedly grow, showcasing the intricate connections between chemistry and everyday life.

在有机化学的世界中，各种化合物在不同的应用中发挥着至关重要的作用。其中一种化合物是马来酸，它是一种二羧酸，分子式为C4H4O4。由于其独特的性质和在各个行业中的多种用途，这种化合物引起了人们的关注。理解马来酸的重要性可以提供对其应用和在我们日常生活中重要性的见解。马来酸最早是在19世纪从某些植物的汁液中分离出来的，从那时起，它就被合成用于商业用途。马来酸的结构由两个羧基（-COOH）附着在两个碳原子之间的双键上。这种构型使得马来酸能够进行多种化学反应，使其成为许多化合物合成中的宝贵中间体。马来酸的主要用途之一是在不饱和聚酯的生产中。这些材料广泛用于制造玻璃纤维增强塑料，这些塑料用于各种应用，包括汽车零件、船只和建筑材料。马来酸与其他化合物交联的能力增强了这些材料的耐用性和强度，使它们适合于苛刻的环境。此外，马来酸还用于合成各种农用化学品，特别是除草剂和杀虫剂。它的反应性使其能够形成酯和酰胺，这些是开发有效农业化学品的基本组成部分。通过使用马来酸作为基础块，化学家可以创造出针对特定害虫的化合物，同时将对有益生物的危害降到最低。除了工业应用外，马来酸在食品工业中也找到了自己的位置，作为食品添加剂。它被用作调味剂和酸度调节剂，增强了各种食品产品的味道和稳定性。监管机构已经评估了马来酸的安全性，确认在指定限量内其适合消费。此外，马来酸在制药行业也具有潜在应用。研究正在进行，以探索其在药物传递系统中的作用以及作为活性药物成分的前体。马来酸的独特化学性质可能会在医学中带来创新的解决方案，提高治疗剂的有效性和靶向性。总之，化合物马来酸在各个领域中发挥着重要作用，从工业制造到食品生产和制药。其独特的化学结构和反应性使其成为创造耐用材料、有效农用化学品和安全食品添加剂的宝贵资产。随着研究继续揭示马来酸的新应用，其在科学和工业中的重要性无疑会增长，展示出化学与日常生活之间错综复杂的联系。