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HPHP Nuggets
Hydroxypivalyl Hydroxypivalate, Free-Flowing Nuggets used for manufacturing polyester resins.
Fulfilled By ChemPoint
- Manufacturer: Eastman
- Product Line: Eastman Resin Intermediates
- Product: HPHP (Hydroxypivalyl hydroxypivalate)
- Industries: Adhesives | Coatings
- Authorized Countries: Canada | United States
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Overview
Eastman™ HPHP is a difunctional ester-glycol in solid nugget form primarily for manufacturing polyester resins for coil, powder, and automotive coatings. HPHP helps impart flexibility to finished coatings while not sacrificing weathering performance.
HPHP also helps enhance coating film appearance due to improved flow & leveling performance during cure stages. HPHP provides similar properties to NPG and can act as a modifier to enhance coating film properties.
IUPAC: 3-Hydroxy-2,2-Dimethylpropyl 3-Hydroxy-2,2-Dimethylpropanoate
Specifications
Appearance: White, irregularly shaped crystalline nuggets
Molecular weight: 204.27
Melting point: 45-50°C (114.8-122°F)
Flash point: 161°C (322°F)
Boiling point @ 760 mm Hg: 293°C (495.4°F)
Specific gravity @ 55°C/20°C: 1.01
CAS: 1115-20-4
Features & Benefits
Reduced Resin Crystallinity
Lower Resin Tg
Improved Melt Flow in Powder Coatings
Improved Coating Flexibility
Reduces Aromatic Content
Improved Resin Solubility
Excellent Weathering Properties
Problems Solved
Difficult to Use Ester-Glycols Powders (Caking/Clumping)
Inferior Glycol Stability and Weatherability
Inadequate Resin Solubility
Applications
Eastman HPHP Nuggets can be used in manufacturing processes for automotive OEM & refinishing primer surfaces, coil coating, paints, protective coatings due to its ability to prevent chip resistance and increase exterior durability.
Related Applications
Related Chemistries
Adhesives
Related Functions
Adhesives
Eastman Resin Intermediates Articles
Eastman™ Resin Intermediates - Powder Coating
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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