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High hydroxyl functionality for efficient crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solvent-based coating systems including acrylics, alkyds, and polyester resins.
Superior gloss retention and UV resistance in demanding outdoor applications.
Low viscosity profile enabling high-solids formulation without sacrificing flow or leveling.
Consistent batch-to-batch performance supported by Allnex’s stringent quality control standards.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal and plastic substrates.
High-performance coil coatings requiring excellent formability and weatherability.
Powder coating hybrid systems leveraging hydroxyl reactivity for enhanced film integrity.
General-purpose can and coil coatings for food and beverage packaging.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in organic solvent |
| Appearance | Clear to slightly hazy, colorless to pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (% w/w) | 60 ± 2 |
| Viscosity (DIN 4, 23°C, mPa·s) | 3,500–5,500 |
| Primary Applications | Thermoset industrial and automotive coatings |
Q1: What is the primary function of G-CURE 17-1444 in coating formulations?
A: G-CURE 17-1444 is a hydroxyl-functional acrylic resin designed to serve as a reactive binder in thermosetting systems. It provides excellent compatibility with common crosslinkers such as melamine formaldehyde and polyisocyanates, enabling high-performance cured films with good hardness, flexibility, and chemical resistance.
Q2: Is G-CURE 17-1444 suitable for UV-curable or dual-cure applications?
A: No — G-CURE 17-1444 is not UV-reactive. It is specifically formulated for thermal curing via hydroxyl–crosslinker reactions. For dual-cure systems, it may be incorporated alongside UV-active components, but its own cure mechanism remains heat-dependent and requires appropriate catalysts and bake conditions.
Q3: How does G-CURE 17-1444 compare to polyester-based hydroxyl resins in terms of weatherability and yellowing resistance?
A: As an acrylic resin, G-CURE 17-1444 offers superior UV stability and reduced tendency to yellow upon aging compared to many conventional hydroxyl polyester resins. This makes it particularly well-suited for exterior coatings and applications where long-term gloss retention and color stability are critical.
Q4: What solvents are recommended for diluting G-CURE 17-1444 during formulation?
A: The resin is typically compatible with common aromatic and aliphatic hydrocarbons, ketones (e.g., MEK, MIBK), and esters (e.g., butyl acetate). Solvent selection should consider evaporation rate, compatibility with other formulation components, and regulatory requirements for VOC content.
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