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[Chemical Knowledge]：Difference and Application of Isocyanate and Isocyanate

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Isocyanate and isocyanate are common substances in the chemical field, and they are very different in nature and application. First of all, let's look at their definition and properties:

isocyanate, also known as cyanate ester, is an organic compound containing-NCO group. It has a pungent odor, volatile, and its molecular structure contains a special N = C = O bond, so it has a strong activity. Isocyanic acid is widely used in the chemical industry and can be used to synthesize polyurethane resins, preservatives, fungicides, etc.

and isocyanates are products formed by the reaction of isocyanic acid and alcohol compounds, which contain one or more-NCO groups and one or more ester groups in the molecule. Isocyanates have low volatility and pungent odor, and common isocyanates are TDI, MDI, etc. Isocyanates are mainly used in the production of polyurethane foams, coatings, adhesives, etc.

As can be seen from the above description, there are significant differences in properties and applications of isocyanic acid and isocyanates. In chemical production, it is necessary to select suitable materials for production and application according to specific needs. It is hoped that the introduction of this article can help us to have a deeper understanding of isocyanate and isocyanate and apply them in actual production.

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