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[Chemical Knowledge]：Properties and Uses of Isophorone Diamine

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Isohorone diamine (IPDA) is an important organic chemical raw material, widely used in polymer materials, coatings, adhesives and other fields. In this paper, the properties and uses of isophorone diamine will be described in detail.

1. the properties of isophorone diamine

isophorone diamine is a colorless or slightly yellow transparent liquid with a special amine taste. Its molecular structure contains two primary amine groups, which makes it have strong reactivity. The following are the main properties of isophorone diamine:

1. Physical properties: isophorone diamine has a boiling point of 246 ℃, a flash point of 121 ℃, and a density of 0.96g/cm³. It is poorly soluble in water, but soluble in most organic solvents.
2. chemical properties: the amine group of isophorone diamine has high reactivity and can react with acid, anhydride, ester, epoxy resin and other compounds to generate the corresponding amide, imine, urea and other compounds. In addition, it can also carry out an addition reaction with carbonyl compounds such as aldehydes and ketones.

2. the use of isophorone diamine

as an important chemical raw material, isophorone diamine has a wide range of applications in polymer materials, coatings, adhesives and other fields. The following are the main uses of isophorone diamine:

1.

in the field of polymer materials isophorone diamine can be used as a polymer monomer to prepare a series of high-performance polymers through polymerization. For example, it can be reacted with a dibasic acid or a dibasic ester to obtain a polyamide or polyester type high molecular material having excellent mechanical properties, heat resistance, chemical resistance, etc.

2.

in the field of coatings isophorone diamine can be used as a crosslinking agent in coatings, reacting with carboxyl, hydroxyl and other functional groups in resins to form a three-dimensional network structure and improve the weatherability, water resistance and chemical resistance of coatings. At the same time, isophorone diamine can also improve the drying of the coating and shorten the drying time of the coating.

3. adhesive field

isophorone diamine can be used as a curing agent in the adhesive, and epoxy resin reaction, the formation of adhesive with excellent performance. These adhesives have high strength, high toughness, chemical resistance and other properties, widely used in construction, automotive, electronics and other fields.

4. Other fields

In addition to the above fields, isophorone diamine can also be used in the preparation of pharmaceutical intermediates, pesticides, fuel additives, etc.

In short, as an important organic chemical raw material, isophorone diamine has a wide range of applications in polymer materials, coatings, adhesives and other fields. With the continuous development of science and technology, the application field of isophorone diamine will continue to expand.

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