What is Curing Agent
Curing agent, also known as hardener, curing agent or fixing agent, is a kind of substance or mixture that promotes or controls curing reaction. Resin curing is a process of irreversible change of thermosetting resin through condensation, closed-loop, addition or catalysis. Curing is accomplished by adding curing agent. Curing agent is an indispensable additive, whether as the binders, coatings and castables, otherwise epoxy resin can not be cured. Varieties of curing agents have great influence on the mechanical properties, heat resistance, water resistance and corrosion resistance of the cured products.
Curing agents are classified according to chemical composition
1. Aliphatic amines such as vinyltriamine DETA, aminoethyl piperazine AE
2. Aromatic amines such as m-PDA MPD diaminodiphenylmethane DDM HT-972 DEH-50
3. Amide Amines
4. Latent curable amines
5. Urea substitutes.
Related News
June 5, 2019Three stages of epoxy resin curing agent1. Liquids - Operating timeOperating time (also working time or service life) is a part of curing time. After mixing, the resin/curing agent mixture is still li...view- June 5, 20191. Amine curing agentsW(mass fraction of amine curing agent required for 100 mass fraction resin)/%=(amine equivalent/epoxy equivalent)*100 mass fraction resin=(molecular weight of amine*100 mass frac...view
- May 28, 2019Methyl tetrahydrophthalic anhydride (MeTHPA, MTHPA) is a new type of liquid organic acid anhydride epoxy resin curing agent with excellent performance. Because the acid anhydride curing agent has bett...view
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- May 28, 20191. Storage methodKeep the container sealed and store in a cool, dry place to prevent moisture.2. The synthesis methodAdd maleic anhydride to the reaction vessel, heat until it is completely melted, ad...view
English
The Summary of the Characteristics and Curing Mechanism of Acid Anhydride Curing Agent
1. The characteristics of acid anhydride curing agent1) Acid anhydride curing agent also belongs to addition polymerization curing agent.2) Application fields:It is mainly used in large-scale casting...
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