diamine

简明释义

英[ˈdaɪəmiːn]美[ˈdaɪəmɪn]

n. 二元胺；[无化] 联氨

英英释义

单词用法

同义词

反义词

例句

1.A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.

通过烯丙基溴化锌对手性亚胺的两次不对称加成，合成了光活性的双烯丙基化的新型手性二胺。

2.Copolyamide hot-melt adhesives were synthesized by caprolactam, nylon 66 salt, nylon 610 salt, decane diamine, sebacic acid, etc.

本论文以己内酰胺、尼龙66盐、尼龙610盐、癸二胺、癸二酸等为原料，合成共聚酰胺热熔胶；

3.Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44.

以环氧树脂E-44为原料合成了环碳酸酯，再与脂肪族伯胺反应合成了非异氰酸酯聚氨酯。

4.A kind of new diamine monomer of modified polyimide with piperazine was synthesized, which has been used in the synthesis of modified polyimide by ternary copolymerization.

合成一种含哌嗪的芳香族二胺单体，将其用于聚酰亚胺的三元共聚中，并制成改性聚酰亚胺膜。

5.A liquid aromatic diamine cured epoxy system with very good high temperature and electric insulation properties is found after experiment and production.

本文通过实验对比和生产实践，找到了一种高温力学性能和电气绝缘性能极好的液体芳香胺固化环氧树脂体系。

6.The invention discloses a nickel metallic complex which has novel structure, namely 1, 3-propane diamine nickel complex.

本发明公开了一种具有新型结构式的镍金属配合物，即1，3-丙二胺镍配合 物。

7.A thermoplastic polyurethane may be formed by substituting hydroquinone for the diamine.

可以通过氢醌取代二胺来形成热塑性聚氨酯。

8.Diamine derivative, process for producing the same, and bactericide containing the same as active ingredient.

二胺衍生物，二胺衍生物的制备方法，以及含有二胺衍生物作为活性成分的杀菌剂。

9.Polyimide foams were prepared from poly(ester-amine salt) precursor powder through a foaming process, using aromatic dianhydride and diamine as monomers.

以芳香二酐和二胺为单体，采用聚酯铵盐前体粉末发泡的方法制备聚酰亚胺泡沫材料。

10.Researchers are studying the effects of diamine (二胺) on plant growth.

研究人员正在研究diamine（二胺）对植物生长的影响。

11.In the lab, we used diamine (二胺) as a reagent for our experiments.

在实验室中，我们将diamine（二胺）用作我们的实验试剂。

12.The chemical formula for the compound includes a significant amount of diamine (二胺).

这个化合物的化学式中包含了大量的diamine（二胺）。

13.The production of certain plastics requires the use of diamine (二胺).

某些塑料的生产需要使用diamine（二胺）。

14.Safety protocols must be followed when handling diamine (二胺).

处理diamine（二胺）时必须遵循安全规程。

作文

Diamines are organic compounds that contain two amino groups (-NH2) in their molecular structure. These compounds play a significant role in various chemical processes and applications, making them essential in both industrial and laboratory settings. The presence of two amine groups allows diamines to participate in reactions that are crucial for the synthesis of a wide range of materials, including polymers, dyes, and pharmaceuticals.One of the most notable diamines is ethylenediamine, which consists of two amino groups attached to an ethylene chain. This compound is widely used in the production of chelating agents, which are substances that can bind to metal ions and are often utilized in various cleaning and industrial processes. The ability of ethylenediamine to form stable complexes with metals makes it invaluable in industries such as agriculture, where it helps in the formulation of fertilizers that improve nutrient uptake in plants.In addition to its applications in agriculture, ethylenediamine is also crucial in the production of epoxy resins. These resins are known for their strong adhesive properties and resistance to chemicals, making them ideal for use in coatings, adhesives, and composite materials. The incorporation of diamines like ethylenediamine into epoxy formulations enhances their mechanical properties and durability, allowing for the creation of high-performance materials that are used in construction, automotive, and aerospace industries.Another important application of diamines is in the field of pharmaceuticals. Many drugs are synthesized using diamines as key intermediates. For instance, the synthesis of certain antihistamines and antidepressants involves the use of diamines to create complex molecular structures that exhibit the desired therapeutic effects. The versatility of diamines in organic synthesis highlights their significance in drug development and medicinal chemistry.Moreover, diamines are also utilized in the production of polyamides, which are polymers that have numerous applications, including textiles, automotive parts, and packaging materials. The polymerization of diamines with dicarboxylic acids leads to the formation of nylon, a widely used synthetic fiber known for its strength and elasticity. The ability to tailor the properties of polyamides through the choice of specific diamines allows manufacturers to produce materials that meet specific performance criteria.In summary, diamines are vital compounds in the realm of chemistry, with diverse applications in agriculture, industry, and pharmaceuticals. Their unique structure, characterized by the presence of two amino groups, enables them to participate in a variety of chemical reactions that are fundamental to the synthesis of many important materials. As research continues to advance, the potential uses of diamines are likely to expand, further solidifying their importance in both scientific and industrial contexts. Understanding the role of diamines, such as ethylenediamine, can provide insights into their contributions to modern technology and medicine, emphasizing the need for continued exploration in this fascinating area of chemistry.

二胺是一类有机化合物，其分子结构中含有两个氨基（-NH2）。这些化合物在各种化学过程中和应用中发挥着重要作用，使它们在工业和实验室环境中至关重要。两个氨基的存在使二胺能够参与对合成多种材料至关重要的反应，包括聚合物、染料和药物。最著名的二胺之一是乙烯二胺，它由两个氨基连接到一个乙烯链上。这种化合物广泛用于螯合剂的生产，螯合剂是可以与金属离子结合的物质，通常用于各种清洁和工业过程。乙烯二胺与金属形成稳定配合物的能力使其在农业等行业中变得不可或缺，在农业中，它帮助制备改善植物养分吸收的肥料。除了在农业中的应用外，乙烯二胺在环氧树脂的生产中也至关重要。这些树脂以其强力粘合性和耐化学性而闻名，适合用于涂料、粘合剂和复合材料。将像乙烯二胺这样的二胺纳入环氧配方中，可以增强其机械性能和耐用性，从而创造出在建筑、汽车和航空航天工业中使用的高性能材料。二胺的另一个重要应用是在制药领域。许多药物的合成使用二胺作为关键中间体。例如，某些抗组胺药和抗抑郁药的合成涉及使用二胺来创建具有所需治疗效果的复杂分子结构。二胺在有机合成中的多功能性突显了它们在药物开发和药物化学中的重要性。此外，二胺还用于聚酰胺的生产，聚酰胺是一类具有众多应用的聚合物，包括纺织品、汽车零件和包装材料。二胺与二羧酸的聚合反应会形成尼龙，这是一种以其强度和弹性而闻名的合成纤维。通过选择特定的二胺，可以调整聚酰胺的性能，使制造商能够生产满足特定性能标准的材料。总之，二胺是化学领域中至关重要的化合物，在农业、工业和制药方面具有多种应用。它们独特的结构，特征是存在两个氨基，使它们能够参与许多重要材料合成的各种化学反应。随着研究的不断推进，二胺的潜在用途可能会扩大，进一步巩固它们在科学和工业背景下的重要性。理解二胺的作用，例如乙烯二胺，可以提供对它们在现代技术和医学中的贡献的洞察，强调在这一迷人化学领域继续探索的必要性。