thermosetting

简明释义

英[ˈθɜːməʊsetɪŋ]美[ˈθɜːrmoʊˌsetɪŋ]

adj. （合成树脂）热固的，热变定的

英英释义

单词用法

同义词

反义词

例句

1.When adding proper curing agents and neutralizers, excellent water-soluble thermosetting acrylic varnishes and paints could be made.

选择合适的固化剂、中和剂等，制得性能优良的水溶热固性丙烯酸清漆和色漆。

2.Epoxy asphalt concrete is a kind of special thermosetting material with outstanding road performances.

环氧沥青混凝土是一种特殊的热固性材料，具有优越的路用性能。

3.But problems can occur because the softened thermosetting plastic can end up hardening while still in the heating chamber.

但是，可能会发生问题，因为软化热固性塑料可以结束了硬化，同时仍处于暖气厅。

4.Bakelite is a well - known thermosetting material and it has a wide variety of USES.

电木就是人们都熟悉的热固性材料，具有多种用途。

5.Phenolic foam material is a kind of polymer organic hard aluminum foil foam products, is made of thermosetting phenolic resin foam.

酚醛泡沫资料属高分子有机硬质铝箔泡沫商品，是由热固性酚醛树酯发泡而成。

6.Curing agent for thermosetting powder coatings.

热固性粉末涂料固化剂。

7.This property differentiates thermoplastic materials from thermosetting ones.

这个特性将热塑性材料与热硬化性材料区分开。

8.A thermosetting epoxy modified acrylic clear top finish for metal electroplated parts is formulated.

介绍了一种金属电镀件罩光用的热固性环氧改性丙烯酸清漆的配制。

9.Practice for Underground Installation of Flexible Reinforced Thermosetting Resin Pipe and Reinforced Plastic Mortar Pipe (08.

柔性增强热固性树脂管和增强塑料砂浆管的地下安装惯例（08。

10.In the production of electrical components, thermosetting plastics are preferred for their heat resistance.

在电气组件的生产中，因其耐热性，优先使用热固性塑料。

11.The automotive industry often uses thermosetting materials for parts that require durability and heat resistance.

汽车工业通常使用热固性材料制造需要耐用性和耐热性的部件。

12.When curing, thermosetting polymers undergo a chemical change that makes them irreversible.

在固化过程中，热固性聚合物经历化学变化，使其不可逆转。

13.The thermosetting adhesive provided a permanent bond that could withstand high temperatures.

这种热固性胶水提供了一个可以承受高温的永久性粘合。

14.The engineer recommended using a thermosetting resin for the composite materials due to its superior strength.

工程师建议使用热固性树脂作为复合材料，因为它具有更强的强度。

作文

In the world of materials science, understanding the properties and applications of different types of polymers is crucial. One such category is thermosetting polymers, which play a significant role in various industries due to their unique characteristics. Unlike thermoplastics, which can be melted and reshaped multiple times, thermosetting materials undergo a chemical change when they are heated, resulting in a rigid structure that cannot be remolded. This intrinsic property makes thermosetting polymers ideal for applications that require durability and heat resistance.The manufacturing process of thermosetting materials typically involves a two-step procedure. Initially, the raw materials are mixed and molded into the desired shape. During this phase, the material is still pliable and can be manipulated easily. However, once it is heated to a specific temperature, a curing process begins. This process causes the polymer chains to cross-link, creating a three-dimensional network that solidifies the material. The result is a strong and stable product that exhibits excellent thermal stability and chemical resistance.One of the most common examples of thermosetting materials is epoxy resin. Epoxy is widely used in the construction and automotive industries due to its superior adhesion properties and ability to withstand extreme conditions. It is often employed as an adhesive or coating, providing a protective layer that enhances the longevity of structures and components. Furthermore, the versatility of epoxy allows it to be combined with various fillers and additives, tailoring its properties to meet specific requirements.Another notable thermosetting polymer is phenolic resin, which is known for its exceptional heat resistance and mechanical strength. Phenolic resins are commonly used in electrical applications, such as circuit boards and insulators, where high temperatures and electrical insulation are critical. Their ability to maintain structural integrity under stress makes them invaluable in the aerospace and automotive sectors, where safety and performance are paramount.The advantages of thermosetting materials extend beyond their physical properties. They also contribute to sustainability efforts within industries. Many thermosetting polymers can be formulated to be more environmentally friendly, utilizing bio-based feedstocks and reducing reliance on fossil fuels. As industries increasingly prioritize sustainability, the development of eco-friendly thermosetting options presents exciting opportunities for innovation and growth.However, despite their numerous benefits, thermosetting materials also have limitations. One of the primary challenges is their inability to be recycled. Once cured, these materials cannot be reprocessed, leading to concerns about waste management and environmental impact. Researchers are actively exploring ways to overcome this hurdle by developing new formulations that allow for recycling or repurposing of thermosetting products.In conclusion, thermosetting polymers are a vital component of modern manufacturing and technology. Their unique properties, including durability, heat resistance, and versatility, make them indispensable in various applications. As industries continue to evolve and seek sustainable solutions, the future of thermosetting materials looks promising. By addressing the challenges associated with recycling and environmental impact, we can harness the full potential of these remarkable materials for generations to come.

在材料科学的世界中，理解不同类型聚合物的性质和应用至关重要。其中一个类别是热固性聚合物，由于其独特的特性，在各个行业中发挥着重要作用。与热塑性材料不同，热固性材料在加热时会发生化学变化，从而形成一种刚性结构，无法重新成型。这种内在特性使得热固性聚合物非常适合需要耐用性和耐热性的应用。热固性材料的制造过程通常涉及两个步骤。最初，将原材料混合并模制成所需形状。在这个阶段，材料仍然是可塑的，可以轻松操作。然而，一旦加热到特定温度，就会开始固化过程。这个过程导致聚合物链交联，形成三维网络，使材料固化。最终结果是强大且稳定的产品，表现出优异的热稳定性和化学耐受性。最常见的热固性材料之一是环氧树脂。由于其优越的粘附性能和承受极端条件的能力，环氧树脂在建筑和汽车工业中被广泛使用。它通常用作粘合剂或涂层，提供保护层，增强结构和组件的耐用性。此外，环氧树脂的多功能性使其能够与各种填料和添加剂结合，根据特定要求调整其性能。另一个显著的热固性聚合物是酚醛树脂，以其出色的耐热性和机械强度而闻名。酚醛树脂通常用于电气应用，如电路板和绝缘体，在这些应用中，高温和电绝缘是至关重要的。它们在应力下保持结构完整性的能力使其在航空航天和汽车行业中不可或缺，在这些行业中，安全性和性能至关重要。热固性材料的优势不仅限于其物理特性。它们还为各行业的可持续发展努力做出了贡献。许多热固性聚合物可以配方为更环保，利用生物基原料，减少对化石燃料的依赖。随着各行业越来越重视可持续性，开发环保的热固性选项为创新和增长提供了令人兴奋的机会。然而，尽管有众多优点，热固性材料也存在局限性。主要挑战之一是它们无法回收。一旦固化，这些材料就无法再加工，导致对废物管理和环境影响的担忧。研究人员正在积极探索克服这一障碍的方法，通过开发允许回收或再利用热固性产品的新配方。总之，热固性聚合物是现代制造和技术的重要组成部分。它们独特的特性，包括耐用性、耐热性和多功能性，使其在各种应用中不可或缺。随着各行业不断发展并寻求可持续解决方案，热固性材料的未来看起来很有希望。通过解决与回收和环境影响相关的挑战，我们可以充分利用这些卓越材料的潜力，为后代服务。