What are the advantages or disadvantages of using epoxy resin adhesives? |
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| Reading Volume： 【 2264 】 | Time： 【 2017-08-17 】 | |
| At present, the area occupied by epoxy resin adhesives on the market continues to expand. Because of its excellent performance in many aspects, the market is developing rapidly. Therefore, the advantages and disadvantages of epoxy resin adhesives are very important. It is necessary to understand its properties to get better. Use epoxy glue. Epoxy resin adhesive is a kind of adhesive with extremely excellent performance, especially its characteristics of strong environmental adaptability, strong adhesion, and good environmental protection, so that it has been widely valued by people and has a wide range of applications. Epoxy resin adhesives (referred to as epoxy adhesives or epoxy adhesives) have been around since 1950, and it has only been more than 50 years. However, with the introduction of various adhesive theories in the middle of the 20th century, and the in-depth development of basic research work such as adhesive chemistry, adhesive rheology, and adhesive failure mechanism, the properties, varieties and applications of adhesives have developed by leaps and bounds. Epoxy resin and its curing system have also become an important class of adhesives with excellent performance, numerous varieties and wide adaptability due to their unique and excellent properties and the continuous emergence of new epoxy resins, new curing agents and additives. The advantages and disadvantages of epoxy glue: Advantages of epoxy glue: 1 High mechanical properties. Epoxy resin has strong cohesion and compact chemical structure. 2Excellent bonding performance. 3 The curing volume shrinkage is small. The linear expansion coefficient is also very small, so the internal stress is small 4 Good workmanship. Basically no low molecular weight volatiles are produced during curing. 5 Good electrical performance. 6 Good stability. It does not contain impurities such as salt and alkali, and generally does not deteriorate. 7 General heat resistance. |
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