Modified Acrylic Lotion - Enhanced Durability and Weather Resistance for Paints
Product Overview
Modified Acrylic Lotion MAL-5000 is a next-generation, UV-stabilized aqueous acrylic copolymer designed to redefine durability benchmarks in protective coatings. By integrating advanced molecular modifications and nano-scale reinforcement technology, this resin achieves 5,000+ hours QUV-A resistance (ISO 16474-3) and Class 1A chalk resistance (ASTM D4214) while maintaining exceptional adhesion to metals, plastics, and masonry. Ideal for exterior architectural coatings, automotive topcoats, and industrial maintenance systems, MAL-5000 enables solvent-free formulations with VOC levels below 20 g/L (EPA Method 24), aligning with global sustainability mandates. Certified for use in extreme climates (-40°C to +120°C thermal cycling), this resin sets a new standard for coatings requiring decade-long service life.
Core Innovations
1. Molecular Architecture
- Core-shell structure:
- Hard core: Styrene-acrylate hybrid for scratch resistance (Persoz hardness >220s).
- Soft shell: Butyl acrylate-rich phase for impact absorption (1/8" mandrel pass @-30°C).
- Functional moieties:
- Silane grafting for moisture-cure crosslinking.
- HALS (Hindered Amine Light Stabilizers) integration for UV resistance.
2. Nano-Enhancements
- SiO₂ nanocomposites: 20–50nm particles improve:
- Abrasion resistance (Taber CS-10, 1kg load: <50mg/1,000 cycles).
- Dirt pickup resistance (DPUR <10 per AAMA 615-2021).
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Milky-blue dispersion |
| Solid Content | 48±1% (ISO 3251) |
| pH Value | 8.0–8.5 (DIN 53200) |
| Viscosity (25°C) | 800–2,000 mPa·s (Brookfield RV, spindle 3) |
| MFFT | 15°C (ISO 2115) |
| Tg (DSC) | 35°C |
| VOC Content | <20 g/L (EPA Method 24) |
| Density | 1.08–1.12 g/cm³ |
Performance Advantages
1. Unparalleled Weather Resistance
- QUV-A Accelerated Testing:
- ΔE<1.5 after 5,000h exposure (ISO 16474-3).
- 95% gloss retention at 60° geometry.
- Natural Weathering:
- Florida 5-year exposure: Chalk Rating 8 (ASTM D4214).
- 10-year color shift prediction: ΔE<3.0 (CIE Lab).
2. Mechanical Durability
- Scrub Resistance:
-
25,000 cycles @PVC 45% (ASTM D2486).
15,000 cycles in high-PVC (60%) textured finishes.
-
- Impact Resistance:
- Passes 160 in-lb direct/reverse impact (ASTM D2794).
3. Substrate Versatility
- Adhesion Performance:
- 5B crosshatch on galvanized steel (ASTM D3359).
4MPa pull-off strength on concrete (ISO 4624).
- Flexibility:
- 300% elongation for crack bridging (ASTM D2370).
4. Environmental Compliance
- APEO-free: Complies with EU REACH Annex XVII.
- Low Odor: HAPS-free formulation.
Industrial Applications
I. Architectural Coatings
Exterior Wall Systems
- Elastomeric finishes for seismic zones (ASTM C836 Class II).
- Thermal-reflective "cool wall" coatings (SRI >86 per ASTM E1980).
Roof Coatings
- White reflective membranes with 92% solar reflectance.
- Algae-resistant formulations (EPA FIFRA Reg. No. 870.1100).
Decorative Finishes
- Sand-textured renders with Class 0 fire rating (BS 476-6).
II. Transportation Coatings
Automotive
- Commercial vehicle topcoats passing GM9540P cyclic corrosion.
- Plastic bumper coatings with stone-chip resistance (SAE J400).
Aerospace
- UV-resistant clearcoats for composite fuselage panels.
- Fuel tank linings with JP-8 resistance (MIL-DTL-53039).
III. Industrial Maintenance
Oil & Gas
- Offshore platform coatings (NORSOK M-501 Category 5).
- Cryogenic tank linings (-196°C LNG service).
Power Generation
- Acid-resistant scrubber coatings (pH 1–14).
- Coal-fired boiler interior paints (250°C continuous).
Formulation Guidelines
1. Exterior Semi-Gloss Paint
| Component | Weight % | Function |
|---|---|---|
| MAL-5000 resin | 40–50% | Binder/weather resistance |
| TiO₂ (rutile) | 20–25% | Opacity/UV protection |
| Calcined clay | 10–15% | Sheen control |
| Rheology modifier | 0.8–1.2% | Anti-sag/flow control |
| Silicone defoamer | 0.3–0.5% | Process stability |
2. Metal Protective Coating
| Component | Weight % | Function |
|---|---|---|
| MAL-5000 resin | 35–45% | Corrosion inhibitor |
| Zinc phosphate | 12–18% | Active anti-corrosion |
| Molybdate pigment | 5–8% | Passivation layer |
| Epoxy silane | 1.5–2.5% | Adhesion promoter |
Packaging & Storage
1. Packaging Options
- Standard: 50kg HDPE pails with nitrogen purge.
- Bulk: 1,000kg IBC totes (UN-approved design).
2. Storage Protocol
- Temperature: 5–35°C (avoid repeated freeze-thaw cycles).
- Shelf Life: 12 months in original sealed containers.
- Post-opening: Use within 60 days; maintain pH 7.5–8.5.
Quality Assurance
- Certifications: ISO 9001:2015, ISO 14001:2015, GBT 31888-2015.
- Batch Testing:
- Particle size distribution: D50 80–120nm (ISO 22412).
- Residual monomer: <500 ppm (GC-MS analysis).
Sustainability Profile
- Carbon Footprint: 0.8 kg CO₂e/kg (50% renewable energy in production).
- Recyclability: Compatible with Cradle to Cradle® material health criteria.
- Water Savings: 40% reduction vs. conventional acrylics (closed-loop process).
Competitive Edge
- Durability: 2× longer service life vs. standard acrylics.
- Versatility: Single resin for architectural/industrial/marine applications.
- Regulatory: Meets China GB 30981-2020 VOC limits for all coating types.
- Technical Support: Custom Tg (-10°C to +60°C) and MFFT adjustments.
Conclusion
Modified Acrylic Lotion MAL-5000 represents a quantum leap in protective coating technology, combining cutting-edge polymer science with uncompromising environmental stewardship. Its unique balance of weather resistance, mechanical durability, and substrate adaptability makes it the binder of choice for projects demanding extreme longevity—from tropical coastal façades to Arctic oil pipelines. Backed by ISO-certified manufacturing and global regulatory compliance, MAL-5000 empowers formulators to create coatings that withstand both time and nature’s harshest challenges while advancing circular economy principles.
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About Beijing TDD E-commerce Co., Ltd.
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