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Dianal MB-2935
Dianal MB-2935 is a hydroxyl functional acrylic resin recommended for cure with isocyanate or melamine crosslinkers to formulate reactive hot melt adhesives. It is a solid, free-flowing resin with a low molecular weight of 25,000.
Fulfilled By ChemPoint
- Manufacturer: Mitsubishi Chemical Group
- Product Line: Elvacite® Specialty Acrylic Resins
- Product: Elvacite® Butyl Methacrylate Resins
- Industries: Adhesives
- Authorized Countries: Canada | United States
Documents
Overview
Dianal MB-2935 is an acrylic resin designed by Mitsubishi for incorporation into hot-melt adhesive formulations. It is supplied as a non-dusting, spherical bead that easily dissolved in a wide variety of solvents for high formulation flexibility. It is part of Mitsubishi’s lower hydroxyl content group of acrylic resins, providing a solid hydroxyl value of 8 mg KOH/g. These hydroxyl functional groups can be used for cross-linking reactions with isocyanates for ambient cure polyurethane systems or melamines in baking systems. Upon formation of films, Dianal MB-2935 provides excellent physical properties including high gloss, low pigment reactivity, high durability, and outstanding resistance to chemicals, weather, and UV exposure.
Specifications
Non-Volatiles, %: 99.4
Clarity: Clear in Toluene with 40% Solids
Gardner color: 1
Brookfield Viscosity @ 25°C (cP): 275–400 @ 40% Solids in Toluene
Glass Transition Temp, onset (measured): 82°C
Molecular Weight (Mw): 25,000
Acid Number (mg KOH/g Resin): 5.0
Hydroxyl number (mg KOH/g Resin): 8.0
MFI (g/10min.): 25 @ 190°C
Primary Chemistry: Acrylic
Features & Benefits
Thermoplastic acrylic bead resin
Low hydroxyl content
Low molecular weight
Rapid dissolution
Narrow molecular weight distribution
Broad solubility formulation flexibility
High resistance to chemicals, weathering, and UV light
High toughness
Problems Solved
Poor resistance of resins to heat and UV causing discoloration or damage
Poor abrasion resistance of resins
Dissolution or deterioration of resin film upon exposure to moisture or chemicals
Low gloss appearance of resins
Applications
Hot-melt adhesives
Related Applications
Adhesives
Related Chemistries
Adhesives
Related Functions
Adhesives
Related Technologies
Adhesives
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