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[Chemical Knowledge]：Methyl isobutyl ketone; properties and uses

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Methyl isobutyl ketone (MIBK) is an important organic chemical raw material, which is widely used in coatings, inks, adhesives, cleaning agents and other fields. This article will detail the properties and uses of methyl isobutyl ketone.

1. the properties of methyl isobutyl ketone

Methyl isobutyl ketone is a colorless and transparent liquid with a pleasant smell. Its molecular formula is C5H10O and its molecular weight is 86.14. Methyl isobutyl ketone has a high boiling point, is not volatile, can dissolve many organic compounds, and has good stability and chemical inertness.

methyl isobutyl ketone has the following important physical properties: density is about 0.80g/cm³; Boiling point is 116.5 ℃; Flash point is 21.7 ℃; Refractive index is 1.3978; Viscosity is 0.79mPa · s. The chemical properties of

methyl isobutyl ketone are relatively stable, and it is not easy to occur oxidation, reduction, hydrolysis and other reactions. However, under acidic conditions, methyl isobutyl ketone is prone to ketone-alcohol condensation reaction to generate diketone compounds.

2. the use of methyl isobutyl ketone

1.

of the coating industry Methyl isobutyl ketone is mainly used as a solvent in the coating industry, which can dissolve many resins and pigments and improve the leveling and gloss of the coating. At the same time, methyl isobutyl ketone has good drying performance, which can shorten the drying time of the coating and improve the construction efficiency of the coating.

2. Ink industry

Methyl isobutyl ketone is also commonly used as a solvent in the ink industry, which can improve the fluidity and printing performance of the ink. At the same time, methyl isobutyl ketone also has good fast drying, which can improve the drying speed of ink and improve printing efficiency.

3. adhesive industry

methyl isobutyl ketone is often used as diluent and solvent in the adhesive industry, which can adjust the viscosity and fluidity of the adhesive and improve the construction performance of the adhesive. At the same time, methyl isobutyl ketone also has good chemical resistance and water resistance, which can improve the durability of the adhesive.

4. cleaning agent industrial

methyl isobutyl ketone in the cleaning agent industry is also commonly used as a solvent and cleaning agent, can remove grease, stains and other dirt. At the same time, methyl isobutyl ketone has good volatility and chemical stability, is convenient to use, and is harmless to human body and environment.

In conclusion, methyl isobutyl ketone, as an important organic chemical raw material, has broad application prospects in the field of chemical production raw materials.

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