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High hydroxyl value (55–65 mg KOH/g) for efficient crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solvent-based acrylics, alkyds, and polyester resins.
Good film hardness and flexibility balance, enabling durable, crack-resistant coatings.
Low volatile organic compound (VOC) formulation potential when used in high-solids coating systems.
Consistent batch-to-batch performance ensured by strict GMP-controlled polymerization process.
Automotive OEM and refinish topcoats requiring high gloss and weather resistance.
Industrial maintenance coatings for metal substrates in harsh environmental conditions.
General-purpose coil coatings for pre-painted steel and aluminum applications.
High-performance plastic coatings for automotive interior and exterior trim components.
Architectural metal façade coatings demanding long-term UV stability and color retention.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in aromatic solvent blend |
| Appearance | Clear, pale yellow to amber transparent liquid |
| Hydroxyl Value | 55–65 mg KOH/g |
| Acid Value | < 5 mg KOH/g |
| Solids Content | 55 ± 2 wt% (by weight, 120 °C, 2 h) |
| Viscosity (25 °C) | 4,000–7,000 cP (Brookfield RV, spindle #3, 20 rpm) |
| Density (25 °C) | 0.94–0.97 g/cm³ |
Q1: What is the primary functional role of KY1270P in coating formulations?
A: KY1270P serves as a hydroxyl-functional acrylic resin designed to act as a reactive co-resin in thermosetting systems—particularly with melamine formaldehyde or polyisocyanate crosslinkers—providing enhanced hardness, chemical resistance, and film integrity upon cure.
Q2: Is KY1270P compatible with common solvent-based and high-solids industrial coating systems?
A: Yes, KY1270P exhibits good compatibility with conventional aromatic and aliphatic solvents, and is widely used in medium-to-high-solids OEM and refinish coatings where balanced viscosity, flow, and crosslink density are required.
Q3: How does KY1270P compare to standard acrylic resins in terms of weatherability and UV stability?
A: As a hydroxyl-functional acrylic resin synthesized from non-yellowing monomers, KY1270P delivers superior long-term gloss retention and resistance to chalking under UV exposure compared to many conventional alkyd- or polyester-based hydroxyl resins.
Q4: Can KY1270P be used in low-VOC or water-reducible formulations?
A: While KY1270P is supplied in organic solvent, it can be adapted into water-reducible systems via solvent exchange or incorporation into hybrid emulsions—subject to careful formulation optimization and compatibility testing with co-binders and crosslinkers.
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E-mail: wangxingqiang@ericwchem.com
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