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Dianal MB-2752
Dianal MB-2752 is a hydroxyl-functional acrylic resin with a hydroxyl number of 90 mg KOH/g. It is designed for advanced two component (2K) coatings with melamine or isocyanate crosslinkers, creating durable coatings with excellent durability and flexibility.
Documents
- Manufacturer: Mitsubishi Chemical Group
- Product Line: Elvacite® Specialty Acrylic Resins
- Product: Elvacite® Methacrylate Copolymers
- Industries: Coatings | Inks
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
Manufacturer
Product Line
Authorized Countries
Canada
United States
Overview
Dianal MB-2752 is a hydroxyl-functional acrylic bead resin that offers the highest hydroxyl value among Mitsubishi’s DIANAL resins, with an OH of 90 mg KOH/g, to facilitate crosslinking. It can be cured with melamine-type or isocyanate-type crosslinkers in 2K systems. Presented as free-flowing, spherical beads that are non-dusting, MB-2752 offers formulators with rapid dissolution, formulation flexibility, and easy handling. As a low–molecular weight resin, Dianal MB-2752 provides formulations with low solution viscosities and helps create films with a balance of flexibility and toughness. Dianal MB-2752 also provides a high gloss, resilient film with excellent resistance to chemicals, moisture, weathering, and UV exposure, ensuring the lasting, durable performance of coatings. This resin also has low reactivity for pigments and can be used for creating topcoats or pigmented coatings.
Specifications
Non-Volatiles, %: 98.5
Clarity: Clear in Toluene with 45% Solids
Gardner color: 1
Gardner Viscosity @ 25°C: U–Z1 @ 40% Solids in Toluene
Glass Transition Temp, onset (measured): 67°C
Molecular Weight (Mw): 25,000
Acid Number (mg KOH/g Resin): 6.5
Hydroxyl number (mg KOH/g Resin): 90
MFI (g/10min.): 12 @ 150°C
Primary Chemistry: Acrylic
Features & Benefits
- Solid acrylic bead resin
- High OH number
- Low molecular weight
- Provides high gloss
- Low pigment reactivity
- Imparts good resistance to UV, heat, weather, chemical, and moisture
- Good pigment dispersion
- Non-dusting
- Narrow molecular weight distribution
- Rapid dissolution
- Low solution viscosities
Problems Solved
Poor resistance of resins to UV and heat causing damage or discoloration Poor abrasion resistance of resins Dissolution or deterioration of resin film upon exposure to moisture or chemicals Incompatibility of resins with pigments Low gloss
Applications
Pigment dispersion 2K coatings
Related Applications
Related Chemistries
Related Technologies
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