Recyclable polyurethane system STD8100
Introduction
STDResin8100 consists of epoxy resin (Component A) and amine-based curing agent (Component B), specifically designed for vacuum-assisted infusion processes. The combination provides an optimal balance between pot life and reactivity. This system is ideal for large mold production requiring extended infusion time, delivering excellent mechanical/thermal properties in cured state and recyclability through degradation.
Applications
- Wind turbine blades
- Nacelle fairings
- Hub covers
- Composite manufacturing
Component Physical Properties (Pre-Cure)
| Component | Component A | Component B |
|---|---|---|
| Appearance | Colorless/pale yellow liquid | Pale green liquid |
| Viscosity @25℃/mPa·s | 1,200-1,600 | 5-60 |
| Mixed Viscosity @25℃/mPa·s | 200-300 | 200-300 |
| Density/g/cm³ | 1.10-1.20 | 0.95-1.00 |
Curing Conditions
| Parameter | Component A | Component B |
|---|---|---|
| Weight Ratio | 100 | 32 (30-34) |
| Volume Ratio | 100 | 39 (37-41) |
| Room Temp Cure | ≥15℃, ≥5h | ≥15℃, ≥5h |
| Heat Cure | 80℃, 5h | 80℃, 5h |
Cured Properties
| Property | Value |
|---|---|
| Tensile Strength/MPa | 65 |
| Tensile Modulus/MPa | 3,100 |
| Tensile Elongation at Break | ≥5% |
| Flexural Strength/MPa | 110 |
| Flexural Modulus/MPa | 3,100 |
| Glass Transition Temp/℃ | ≥75 |
| Cured Density/g/cm³ | 1.16 |
| *Tensile Strength Retention (pH=4, 23℃, 1d) | 102.2% |
| Tensile Strength Retention (pH=4, 50℃, 1d) | 98.8% |
| Tensile Strength Retention (pH=4, 50℃, 7d) | 86.2% |
*Typical cured data, not specifications. Curing regime: 5h@RT + 5h@80℃
*Acid rain resistance test (H₂SO₄/HNO₃ mixture), comparable to blade infusion resins.
Viscosity Curve
Exotherm Curve
DSC Curing Curve
Tg Measurement (DSC)
Packaging
25Kg, 200Kg, 1000Kg
Storage & Shelf Life
- Store in cool, dry and clean environment
- Reseal immediately after use
- 24-month shelf life in original packaging
PPE Requirements
| Category | Requirement |
|---|---|
| Gloves | Chemical-resistant impermeable gloves |
| Respiratory | Not required |
| Eye Protection | Splash-proof goggles |
| Body Protection | Full-body protective clothing. Equip eyewash stations and safety showers |
First Aid
Skin Contact
- Flush with soap/water for 5min
Eye Contact
- Rinse with flowing water for 20min
- Seek medical help
Inhalation
- Move to fresh air
- Consult physician if symptoms persist
Send product request
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