High Purity (1,4-Cyclohexanedicarboxylic Acid) Powder with Excellent Thermal Stability for Lower Resin Color and Good Humidity Resistance.
Eastman™ CHDA HP is a cycloaliphatic diacid that offers many benefits to polyester resins for coatings and fiberglass-reinforced plastics. Eastman™ CHDA HP is a high purity powder that can improve performance in a variety of waterborne, high solids, powder coatings and coil coating applications.
CHDA HP is approved in US and Europe for use in polyester resins to be used in food contact coatings.
IUPAC: 1,4-Cyclohexanedicarboxylic Acid
Appearance: White to off-white powder
Viscosity @ 25°C: 6.9 cP
Flash point: 235°C (455°F)
Melting point: 164-167°C (327-333°F)
Specific gravity @ 20°C/20°C: 1.38
Solubility in water @ 20°C: 1 wt%
CAS: 1076-97-7
Molecular Weight: 172.2
Empirical Formula: C8H12O4
Rapid esterification
Low Resin Color
Great Thermal Stability for Low Resin Color
Excellent Hardness and Flexibility
High Solubility in Molten Glycols
Improved corrosion and stain resistance
Better hydrolytic stability
Great gloss retention and prevents yellowing
Reduced Occurrence of "orange peel" in powder coatings
Slow Resin Processing in Molten Glycol Due to Poor Solubility
Inferior Weathering Stability in Finished Resin
Inadequate Coating Hardness and Flexibility Balance
CHDA HP can be used in polyester resins for coatings and fiberglass-reinforced plastics across a variety of industries, including but not limited to: Automotive, Building Materials, Coil Coatings, Construction Chemicals, Electronic Connectors, Food Flavors & Fragrances, Intermediates, Kitchen & Bath, Metal Coatings, Paints & Coatings, Pharmaceutical Chemicals, Process Additives, Protective Coatings, Truck/Bus/RV, and Wind Energy.
More than half of powder coating processes utilize a polyester resin in the binder system. Eastman™ provides high-quality polyester resin intermediates that deliver cost effective production and targeted surface finish performance. Browse their solutions portfolio and learn how and why to select their resin intermediate products.
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