Resins For Plastic Coatings
We are a manufacturer based in China. We specialize in providing high-quality Resins For Plastic Coatings for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Paint chemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Performance Features
Great adhesion to ABS plastic, alcohol resistance, aluminum orientation
Main Applications
plastic coat
Resins for Plastic Coatings: Overview and Key Properties
| Category | Details |
|---|---|
| Resin Types | Polyurethane, Acrylic, Epoxy, Chlorinated Polyolefin |
| Primary Function | Adhesion promotion, surface protection, and aesthetics |
| Form | Solvent-based, water-based, or UV-curable |
| Curing Mechanism | Thermal, oxidative, or radiation curing |
Key Resin Types & Properties
| Resin Type | Adhesion (ASTM D3359) | Flexibility (ASTM D522) | Chemical Resistance |
|---|---|---|---|
| Polyurethane | 4B–5B | Excellent (1/8″ mandrel) | High (fuels, cleaners) |
| Acrylic | 3B–4B | Good (1/4″ mandrel) | Moderate |
| Epoxy | 5B | Poor (cracks on bending) | Excellent |
| Chlorinated Polyolefin | 5B (PP/PE substrates) | Excellent | Low |
Performance Requirements
| Property | Test Method | Typical Target |
|---|---|---|
| Adhesion | Cross-hatch test | ≥4B rating |
| Abrasion Resistance | Taber test | <50 mg/1.000 cycles |
| UV Stability | QUV-A 1.000 hrs | ΔE < 2.0 |
| Impact Resistance | ASTM D2794 | 50–80 in-lb |
Substrate Compatibility
| Plastic Type | Recommended Resin | Pretreatment Needed |
|---|---|---|
| Polypropylene (PP) | Chlorinated Polyolefin | Flame/Corona treatment |
| ABS | Acrylic, Polyurethane | Light abrasion |
| Polycarbonate | UV-curable Acrylic | Solvent wipe |
| Nylon | Epoxy, Polyurethane | Acid etch |
Formulation Components
| Component | Function | Typical % |
|---|---|---|
| Base Resin | Film formation | 40–60% |
| Adhesion Promoter | Substrate bonding | 5–15% |
| Flexibilizer | Impact resistance | 3–10% |
| UV Stabilizer | Weather resistance | 1–3% |
Processing Parameters
| Method | Cure Condition | Film Thickness |
|---|---|---|
| Spray Coating | 60–80°C × 20–30 min | 15–30 µm |
| Dip Coating | Ambient cure | 20–50 µm |
| UV Curing | 200–400 nm light | 10–25 µm |
Advantages vs. Limitations
| Resin Type | Advantages | Limitations |
|---|---|---|
| Polyurethane | Scratch resistance, weatherability | High cost |
| Acrylic | Fast drying, color retention | Poor chemical resistance |
| Epoxy | Superior adhesion | Brittleness |
| CPO | Bonds to polyolefins | Limited durability |
Regulatory Compliance
| Standard | Requirement |
|---|---|
| VOC Limits | <250 g/L (EU Directive) |
| RoHS | Heavy metal-free |
| Food Contact | FDA 21 CFR 175.300 |
Market Trends
| Technology | Adoption Rate | Key Driver |
|---|---|---|
| Water-Based | 35% growth | Eco-regulations |
| Low-Energy Cure | 20% growth | Energy savings |
| High-Adhesion | Steady demand | Plastic part complexity |
Summary
Plastic coating resins address critical challenges in adhesion and durability across automotive, electronics, and consumer goods. Innovations focus on eco-friendly formulations and low-temperature curing for heat-sensitive substrates.
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