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[Chemical Knowledge]：What are the upstream raw materials of the curing agent? What do the downstream products contain?

Read： 351 Time：20months ago Source：Transform the World with Simplicity

In the field of chemical production raw materials, the upstream and downstream related products of curing agent are quite rich. This article will explore these related products in detail, including upstream feedstocks and downstream applications.

1. upstream raw material

1. amine compounds: amine compounds are one of the important raw materials of curing agent, commonly used are ethylenediamine, propylene amine, aniline and so on. These amine-based compounds react with an epoxy resin or the like to form a highly crosslinked polymer and thereby exhibit a curing effect.
2. acid anhydride: acid anhydride is also an important raw material of curing agent, commonly used phthalic anhydride, maleic anhydride and so on. The acid anhydride curing agent reacts with epoxy resin and the like under heating conditions to form a three-dimensional network structure, which has good heat resistance, weather resistance and electrical properties.

2. downstream application products

1. coating: curing agent is widely used in the field of coatings, such as epoxy floor paint, anti-corrosion coatings, etc. The wear resistance, chemical resistance and hardness of the coating can be improved by matching with resin materials such as epoxy resin.
2. composite materials: curing agent can be used to prepare glass fiber reinforced plastics, carbon fiber reinforced plastics and other composite materials. By reacting with the resin matrix, a dense cross-linked structure is formed, which improves the mechanical properties and thermal stability of the composite.
3. adhesive: curing agent can also be used for the preparation of adhesives, such as building structural adhesive, electronic potting and so on. By blending with an epoxy resin or the like, the adhesive strength and weather resistance of the adhesive can be improved.
4. Electronic devices: Curing agents are also widely used in the manufacture of electronic devices, such as for potting electronic components, manufacturing printed circuit boards, etc. By cooperation with epoxy resin, etc., can play a role of insulation, protection and fixation.

To sum up, the upstream and downstream related products of curing agent are quite rich, involving coatings, composite materials, adhesives and electronic devices and other fields. In actual production, it is necessary to select the appropriate curing agent and its related products according to the specific needs and process conditions.

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