1,4-Butanediol Dimethacrylate (CAS 2082-81-7) Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | 1,4-Butanediol Dimethacrylate | Typical Alternatives |
|---|---|---|
| CAS Number | 2082-81-7 | N/A |
| Molecular Formula | C12H18O4 | Varies by polymer type |
| Molecular Weight | 226.27 g/mol | 180-250 g/mol (industry range) |
| Boiling Point | 132-134°C at 4 mmHg | 150-200°C (common diacrylates) |
| Density | 1.023 g/mL at 25°C | 0.95-1.10 g/mL (typical range) |
| Refractive Index | 1.456 | 1.45-1.50 (similar monomers) |
Safety Data: Xi classification (Irritant), R36/37/38 (Irritating to eyes/respiratory system/skin), S26/36/37/39 (Safety handling protocols required)
2. Key Applications
Industrial Uses:
- Crosslinking agent for specialty polymers
- Component in UV-curable coatings and adhesives
- Dental composite materials production
- Optical lens manufacturing
Performance Advantages:
- Enhances polymer hardness and chemical resistance
- Improves curing speed in photopolymerization
- Reduces viscosity in resin formulations
3. Usage Scenarios
Scenario 1: Advanced Coatings
Used at 15-20% concentration in automotive clear coat formulations to achieve:
- VOCs reduction by 30% vs traditional formulations
- Surface hardness >2H (pencil hardness test)
- Weathering resistance >2,000 hrs (QUV testing)
Scenario 2: Dental Composites
Key component (10-15% loading) in light-cured restorative materials:
- Curing time <20 seconds (450 mW/cm2 LED)
- Compressive strength >300 MPa
- ISO 4049 compliance
4. Industry Case Studies
Case Study 1: Wuhan Kemic Technology Co., Ltd.
Application: High-performance industrial adhesives
Results:
– 25% increase in bond strength
– 40% reduction in curing temperature
– Achieved DIN EN 1465 compliance
Case Study 2: European Automotive Supplier
Application: UV-resistant exterior coatings
Results:
– Extended product lifecycle by 3.2 years
– Reduced yellowing index by 42%
– Met GMW14872 specification requirements
5. Technical Consultation & Ordering
Request formulation support or material specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Available in multiple grades:
– Industrial Grade (99% purity)
– Pharmaceutical Grade (99.9% purity)
– Custom molecular weight distributions
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