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Dianal MB-2823
Dianal MB-2823 is a rapidly dissolving acrylic resin with a low molecular weight of 25,000 and a high glass transition temperature of 80°C. It is recommended for use as a modifier for short-oil alkyds.
Fulfilled By ChemPoint
- Manufacturer: Mitsubishi Chemical Group
- Product Line: Elvacite® Specialty Acrylic Resins
- Product: Elvacite® Butyl Methacrylate Resins
- Industries: Coatings | Inks
- Authorized Countries: Canada | United States
Documents
Overview
Dianal MB-2823 is a solid acrylic resin valued as a modifier for short oil alkyds. As a non-dusting spherical bead, it is soluble in a variety of organic solvents, including aromatic hydrocarbons, ketones, and esters, where it facilitates fast solvent release to form a solution of low viscosity. Dianal MB-2823 is engineered with a narrow molecular weight dispersion, or polydispersity, contributes to its high resistance properties withstanding damage from abrasion, chemical attack from dilute acids and bases, and discoloration due to exposure to UV light or weathering.
Specifications
Non-Volatiles, %: 98.6
Clarity: Clear in Toluene with 40% Solids
Gardner color: 1
Gardner Viscosity @ 25°C: F–K @ 40% Solids in Toluene
Glass Transition Temp, onset (measured): 80°C
Molecular Weight (Mw): 25,000
Acid Number (mg KOH/g Resin): 0
Amine number (mg KOH/g Resin): 18.2
MFI (g/10min.): 1.7 @ 150°C
Primary Chemistry: Acrylic
Features & Benefits
Thermoplastic acrylic resin
Short oil alkyd modifier
Soluble in organic solvents
Low molecular weight
High gloss
High resistance to UV, chemicals, and weathering
Rapid dissolution
Narrow molecular weight distribution
Problems Solved
Poor resistance of resin inks or adhesives to heat and UV causing discoloration or damage
Poor abrasion resistance
Dissolution or deterioration of resin film upon exposure to moisture or chemicals
Low gloss appearance of resins
Poor compatibility of resin with short oil alkyds
Applications
Short oil alkyd modifier
Coatings and inks
Related Applications
Related Chemistries
Related Technologies
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