| Availability: | |
|---|---|
| Quantity: | |
DS-2062
PYTHON
Clear and Transparent
<1
Z2-Z4
64.5±2
3-8
TOL/XL/PMA
It exhibits superior drying properties and gloss, along with excellent weather resistance. It is suitable for use on automotive interiors and can also be applied as a single-coat finish (requiring no primer) on metal components as well as various plastic parts, including ABS, PS, and PC.
The DS-2062 medium-hydroxyl acrylic resin is a meticulously engineered copolymer of (meth)acrylic monomers and styrene, designed specifically to elevate the performance of advanced industrial and automotive interior coatings. Upon application, formulation engineers will immediately notice its crystal-clear, pristine appearance, completely devoid of mechanical impurities, which translates into a flawless, glass-like finish on the final substrate. The resin utilizes a finely balanced solvent system comprising toluene, xylene, and PMA, ensuring optimal flow, superior leveling characteristics, and controlled evaporation during the curing phase. When formulated into two-component polyurethane clear coats or intensely pigmented paints, it imparts a profound depth of gloss and a tactile, rock-hard resilience that effortlessly resists daily mechanical wear and tear. Industrial manufacturers heavily rely on this specific resin for single-coat applications because it rapidly crosslinks to form a robust, impenetrable shield, drastically reducing oven drying times while maintaining a luxurious, showroom-quality aesthetic. Whether applied as a foundational metal primer or a premium topcoat for complex engineering plastics, the resulting paint film delivers an exceptionally smooth surface feel, unyielding structural integrity, and long-lasting visual brilliance that strictly meets the rigorous demands of modern automotive components.
Achieving precise formulation targets requires exact physical and chemical properties. The following technical parameters detail the exact specifications of our medium-hydroxyl acrylic resin, providing paint formulators and chemical engineers with the critical data needed to optimize crosslinking density, adjust solvent balances, and ensure final film integrity. Every batch undergoes rigorous quality control to maintain these exact standards, ensuring predictable and repeatable results in large-volume production environments.
Parameter | Specification |
|---|---|
Appearance | Transparent, free of mechanical impurities |
Chroma | <1 |
Viscosity (Greek tube, 25℃), seconds | Z2-Z4 |
Solids content (150℃, 1h), % | 64.5±2 |
Acid value (solution basis, mgKOH/g) | 3-8 |
Hydroxyl content (theoretical, solid basis), % | 2.2 |
Formulating high-tier automotive and industrial coatings demands a resin that goes far beyond basic adhesion. This styrene acrylic copolymer is engineered to solve complex production bottlenecks, offering tangible improvements in both application efficiency and final product durability for large-scale manufacturing facilities.
Single-Coat Efficiency: Eliminates the costly need for multiple spray passes. A single application yields a comprehensive, high-build film, significantly cutting down labor hours and energy consumption in the curing oven.
Universal Plastic Compatibility: Eradicates the necessity of stocking different primers for different plastics. It bonds aggressively to ABS, PS, and PC, preventing delamination and peeling even under severe thermal stress.
Exceptional Metal Adhesion: Beyond engineering plastics, it grips metal substrates with immense strength, acting as a versatile foundational layer that prevents oxidative degradation and moisture ingress.
Accelerated Drying Profile: Formulated to flash off and cure rapidly, allowing assembly lines to move faster and drastically reducing the window for dust contamination during the tacky phase.
Superior Surface Hardness: Cures to a tough, scratch-resistant finish that withstands mechanical abrasion, ensuring automotive interior parts retain their pristine factory appearance over years of continuous use.
Brilliant Gloss Retention: Enhances the visual depth of pigmented paints and clear coats, providing a mirror-like sheen that fiercely resists dulling from UV exposure or harsh chemical cleaners.
Understanding the multidimensional capabilities of this medium-hydroxyl acrylic resin empowers formulators to push the boundaries of modern paint technology. From core physicochemical metrics to practical formulation guidelines, every aspect is optimized for industrial-scale success and seamless integration.
Optimized Crosslinking Density: With a stable solids content of 64.5±2% and a theoretical hydroxyl content of 2.2%, this resin ensures a highly reactive and dense crosslinking network when paired with isocyanate hardeners in 2K PU systems, resulting in exceptional film fullness.
Viscosity and Flow Control: The strictly controlled viscosity range (Z2-Z4 seconds) and specific acid value (3-8 mgKOH/g) provide predictable rheological behavior, preventing sagging on vertical automotive components while maintaining excellent leveling.
Multi-Substrate Versatility: Automotive interiors utilize a complex matrix of materials. This resin's aggressive bite into engineering plastics and metals solves the distinct challenge of multi-material coating, drastically reducing inventory complexity for paint manufacturers.
Premium Film Aesthetics: Designed specifically for single-coat operations, it delivers a high-gloss, ultra-hard surface that defines medium-to-high-grade automotive refinish coatings, elevating the tactile and visual luxury of the final molded component.
To accelerate your research and development cycle, we provide a proven reference framework for a two-component polyurethane white paint. This specific ratio ensures maximum pigment dispersion and long-term settling resistance.
Reference Formula (Parts by Weight): DS-2062 Resin (50), Titanium Dioxide (22–28), Anti-settling Agent 10% (2), BYK-110 (0.5), BYK-306 (0.4), Diluent (Approx. 25).
Solvent System Evaluation: Utilizing a strategic blend of toluene, xylene, and PMA, the resin offers formulators precise control over evaporation rates, ensuring smooth film formation while facilitating easier compliance with regional emission protocols through proper diluent adjustment.
Uncompromising Purity: A strict chroma value of <1 and a total absence of mechanical impurities guarantee that clear coats remain perfectly transparent and white paints resist yellowing, ensuring absolute color fidelity across massive production batches.
Securing a reliable supply chain for critical chemical raw materials is paramount for maintaining uninterrupted production lines and consistent product quality. Partnering with a dedicated manufacturer ensures you receive not just a premium acrylic resin, but a comprehensive chemical solution tailored specifically for high-volume industrial applications.
Unwavering Batch Consistency: We employ advanced automated reactor technology and stringent quality assurance protocols to ensure every drum of resin perfectly matches the physicochemical properties of the last, entirely eliminating costly formulation adjustments on your end.
Direct Source Economics: By procuring directly from the production facility, industrial buyers benefit from highly optimized cost structures, enabling more competitive pricing and stronger margins in the final retail or commercial coating markets.
Technical Formulation Support: Our dedicated team of seasoned polymer chemists provides in-depth guidance on solvent balancing, additive compatibility, and curing optimization to help you achieve the exact finish and performance metrics your clients demand.
Scalable Supply Capabilities: Whether you require initial pilot-scale quantities for rigorous R&D testing or continuous high-volume shipments for global manufacturing facilities, our logistics network is built to scale seamlessly with your operational needs.
Commitment to Purity: We utilize multi-stage, state-of-the-art filtration systems to guarantee that our resins remain entirely free of mechanical impurities, safeguarding your high-end clear coats and light-colored pigmented paints from microscopic structural defects.
To directly assist procurement managers and formulation engineers in their technical evaluation process, we have compiled detailed, professional responses to the most common inquiries regarding our medium-hydroxyl acrylic resin and its applications.
What makes this resin highly suitable for single-coat plastic applications?
Its unique styrene-acrylic copolymer structure provides an aggressive chemical bite into the low-surface-energy matrices of ABS, PS, and PC. This completely eliminates the need for a separate adhesion promoter or primer, allowing a single high-build coat to achieve full coverage, hardness, and gloss, thereby streamlining the entire painting process.
How does the 2.2% hydroxyl content impact the final 2K PU coating?
A theoretical hydroxyl content of 2.2% classifies this as a medium-hydroxyl resin. In a two-component polyurethane system, this specific OH value ensures an optimal crosslinking density when reacted with aliphatic or aromatic isocyanates. It strikes the perfect balance between a rapid drying time and sufficient pot life, resulting in a film that is highly flexible yet mechanically robust.
Can this resin be utilized in clear coat formulations without risking yellowing?
Yes. The resin boasts a chroma value of strictly less than 1 and is entirely transparent and free of mechanical impurities. This exceptional clarity and inherent color stability make it an ideal backbone for premium automotive clear coats, ensuring the underlying basecoat color remains vibrant, true, and undistorted over years of environmental exposure.
What is the functional purpose of the toluene, xylene, and PMA solvent blend?
This specific ternary solvent system is engineered to provide a tiered evaporation rate. Toluene and xylene offer rapid initial flash-off to quickly set the paint film and prevent sagging on vertical surfaces, while PMA (Propylene Glycol Methyl Ether Acetate) acts as a slower-evaporating tail solvent. This ensures excellent leveling, flow out, and a flawless, pinhole-free finish, especially in high-humidity environments.
Is the provided polyurethane white paint formula ready for immediate production?
The provided formula (incorporating Titanium Dioxide and BYK additives) serves as a highly optimized reference starting point. While it demonstrates excellent pigment wetting and anti-settling properties in laboratory conditions, we strongly recommend formulators conduct localized testing to adjust the diluent ratio (approx. 25 parts) based on their specific application equipment, ambient temperature, and desired spray viscosity.
How does the acid value of 3-8 mgKOH/g influence the coating formulation?
An acid value within the strictly controlled 3-8 mgKOH/g range provides sufficient catalytic activity to promote efficient crosslinking without prematurely accelerating the reaction to the point of reducing pot life. It also significantly aids in pigment dispersion, ensuring that solid additives like titanium dioxide are evenly distributed for maximum opacity and color uniformity.
