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Dianal PB-204
Dianal PB-204 is a high-acid-number acrylic resin with low molecular weight used as a modifier in emulsions.
Fulfilled By ChemPoint
- Manufacturer: Mitsubishi Chemical Group
- Product Line: Elvacite® Specialty Acrylic Resins
- Product: Elvacite® Methyl Methacrylate Resins
- Industries: Coatings | Inks
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
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Overview
Dianal PB-204 is a high-acid-number acrylic resin typically used as a hardener for various emulsions. Unlike most Dianal resins, which are designed to be used in solvent-based formulations, the high acid number of PB-204 enables it to be neutralized into high-pH aqueous solutions. Dianal PB-204 has a relatively high glass transition temperature (Tg) and low molecular weight. When added to an emulsion system, it improves both early and ultimate hardness, in addition to heat and block resistance. It can achieve these benefits without the need for an additional coalescent. With the increasing shift toward water-based chemistry in the paint and coating industries, Dianal PB-204 is ideal for applications such as low- and zero-VOC architectural paints, industrial coatings, and inks. It may also be used in solvent-based systems, with good solubility in solvents such as toluene, xylene, t-butyl acetate, acetone, and MEK.
Specifications
Nonvolatiles, min %: 98.5
Clarity in 90% MEK and 10% ethanol blend at 15% solids: Clear
Gardner color, max: 1
Gardner viscosity at 25°C and 50% solids in 90% ethanol and 10% ethyl acetate: T–WX
Glass transition temp, calculated onset °C: 94
Molecular weight: 12,000
Acid number, mg KOH/g resin: 49
MFI, g/10 min at 150°C: 9.4
Primary Chemistry: Acrylic
Features & Benefits
- High-acid-number acrylic resin
- Water dispersible in basic solutions
- Improves early hardness and heat and block resistance
Problems Solved
Low durability or blocking issues with water-based paints, coatings, or inks High raw material costs from coalescent demand when adding other hardener additives
Applications
Industrial coatings Architectural paints Inks
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