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Dianal BR-80
Dianal BR-80 is an acrylic resin used in industrial coatings, coatings for PVC, and PVC leather. It has one of the highest Tg among the Dianal BR grades.
Documents
- Manufacturer: Mitsubishi Chemical Group
- Product Line: Elvacite® Specialty Acrylic Resins
- Product: Elvacite® Methacrylate Copolymers
- Industries: Coatings
- Authorized Countries: Canada | United States
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Canada
United States
Overview
Dianal BR-80 is a methyl methacrylate resin with one of the highest glass transition temperatures (Tg) among Dianal BR grades at 104°C. In general, it is one of the toughest resins in the Dianal series, also having one of the highest molecular weights. It is supplied as a free-flowing, nondusting bead that is soluble in solvents such as toluene, MEK, acetone, and ethyl acetate. Dianal BR-80 forms clear solutions and helps form films with excellent clarity and high hardness, while still offering a moderate degree of flexibility, adhesion, and pigment dispersion capabilities.
Dianal BR-80 is used as a binder in applications such as industrial coatings, where maximum resistance to abrasion, moisture, dilute acids and bases, weathering, and discoloration is necessary. It may also be used to provide a high degree of durability in automotive refinish coatings and coatings for PVC.
Specifications
Nonvolatiles, min %: 99.0
Clarity in toluene at 30% solids: Clear
Gardner color, max: 2
Gardner viscosity at 25°C and 30% solids in toluene: U–X
Glass transition temp, calculated onset °C: 104
Molecular weight: 105,000
Acid number, mg KOH/g resin: 0
MFI, g/10 min at 230°C: 0.9
Primary Chemistry: Acrylic
Features & Benefits
- High hardness while offering a moderate degree of flexibility
- Highly resistant to chemical attack, weathering, abrasion, water, moisture, and discoloration
- Forms extremely durable films
- Good plasticizer barrier performance
Problems Solved
Low durability of coatings exposed to physical or environmental stress Difficulty finding resins that offer a modest degree of flexibility while exhibiting maximum toughness
Applications
Automotive refinish coatings Industrial coatings PVC coatings PVC processing
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