Table of Contents
n-tert-Butylacrylamide (CAS 107-58-4): Technical Profile
Core Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Molecular Formula | C7H13NO | NMR/Elemental Analysis |
| Purity | ≥99.5% | GC Analysis |
| Melting Point | 57-59°C | DSC |
| Flash Point | 93°C | ISO 2719 |
Key Differentiators vs. Similar Monomers
| Feature | n-tert-Butylacrylamide | N-Methylacrylamide | N-Isopropylacrylamide |
|---|---|---|---|
| Hydrophobicity | High | Medium | Medium-High |
| LCST* Behavior | Not Exhibited | Yes | Yes |
| Reactivity in Copolymers | Controlled kinetics | Fast | Moderate |
*Lower Critical Solution Temperature
Industrial Applications & Functional Advantages
1. Advanced Polymer Systems
Enhances mechanical properties in:
- High-temperature resistant coatings (automotive/aviation)
- Oil-resistant rubber compounds
- Photoresist formulations for semiconductor lithography
2. Water Treatment Chemistry
- Key monomer for scale inhibition polymers in RO membranes
- Enables calcium sulfate inhibition up to 300°F
3. Specialty Adhesives
- Improves peel strength in PSA tapes by 40% vs. traditional amides
- Reduces VOC content in adhesive formulations
Documented Use Cases (2023-2024)
Case 1: Automotive Sealant Optimization
Client: Top 3 German auto manufacturer
Challenge: Develop high-temperature resistant door seals
Solution: 15% n-tBA incorporation increased heat resistance to 160°C
Outcome: 18-month accelerated aging test passed (VDA 230-214 standard)
Case 2: Oilfield Chemical Innovation
Client: Middle Eastern oil services leader
Challenge: Prevent scale formation in high-salinity wells
Solution: Custom terpolymer with n-tBA demonstrated 92% scale inhibition
ROI: $2.8M annual savings in well maintenance costs
Performance Comparison Matrix
| Property | n-tBA | Industry Standard | Improvement |
|---|---|---|---|
| Thermal Stability | 220°C | 180°C | +22% |
| Hydrolytic Resistance | 500hrs | 300hrs | +67% |
| Reactivity Index | 0.85 | 1.0 (ref) | Controlled polymerization |
Technical Consultation & Ordering
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