hydroxyfunctional polyacrylic dispersion (MT-A-145)

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Introduction

Hydroxyfunctional Polyacrylic Dispersion MT-A-145 is a versatile water-reducible dispersion designed for use in high-performance coatings. This article explores its properties, applications, safety considerations, and regulatory frameworks.

Properties of Hydroxyfunctional Polyacrylic Dispersion MT-A-145

Property	Value
Chemical Type	Hydroxyfunctional Polyacrylic Dispersion
Solids Content	45 ± 2%
Viscosity at 23°C (D = 41.28 s-1)	950 ± 550 mPa·s
Acid Value	10 ± 3 mg KOH/g
pH Value	7.2 - 8.2
Density at 20°C	Approx. 1.06 g/ml
Hydroxyl Content	Approx. 3.3%
Flash Point	Approx. 53°C
Solubility	Can be thinned with water
Compatibility	Compatible with aliphatic polyisocyanates

Applications of Hydroxyfunctional Polyacrylic Dispersion MT-A-145

Two-Component Coatings: Used in combination with aliphatic polyisocyanates to formulate aqueous two-component clear- and topcoats for vehicle repair applications, heavy transport finishing, and industrial coating.

One-Component Coatings: Suitable for use with amino resins or blocked polyisocyanates in waterborne, one-component, industrial baking coatings.

General Industrial Coatings: Provides high-gloss, flexible topcoats with excellent adhesion and resistance to solvents and water.

Comparison of Hydroxyfunctional Polyacrylic Dispersion MT-A-145 with Alternatives

Application	Hydroxyfunctional Polyacrylic Dispersion MT-A-145	Alternatives
Two-Component Coatings	High-gloss, flexible, excellent adhesion	Traditional solvent-based resins
One-Component Coatings	Waterborne, environmentally friendly	Epoxy resins
General Industrial Coatings	Excellent resistance to solvents and water	Polyester resins

Safety Considerations

Handling Precautions: Protective measures should be taken, such as wearing appropriate protective equipment and operating in a well-ventilated environment.

Storage: Store in a cool, dry, and properly ventilated area free from direct sunlight.

Regulatory Frameworks

Industry Standards: Complies with global safety and quality standards for industrial coatings.

Environmental Compliance: Meets regulatory requirements for low VOC (volatile organic compound) emissions.

Market Feedback

Hydroxyfunctional Polyacrylic Dispersion MT-A-145 has received positive feedback for its effectiveness in enhancing the performance of high solid, low VOC coatings. Its unique properties make it a popular choice for manufacturers in the fields of automotive and industrial coatings.

Conclusion

Hydroxyfunctional Polyacrylic Dispersion MT-A-145 stands out as a versatile and high-performance dispersion with a wide range of applications in various industrial sectors. It offers reliable solutions for enhancing coating performance, durability, and environmental compliance.

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