Table of Contents
- Poly(tetrahydrofuran) (CAS 25190-06-1): Product Overview
- Key Specifications & Comparative Analysis
- Industrial Applications & Functional Advantages
- Operational Guidelines & Best Practices
- Client Success Stories: PTMEG Implementation Cases
- Technical Consultation & Customized Solutions
Poly(tetrahydrofuran) (CAS 25190-06-1): Product Overview
Poly(tetrahydrofuran) (PTMEG), CAS 25190-06-1, is a polyether polyol with linear molecular structure, widely recognized for its exceptional flexibility, hydrolytic stability, and chemical resistance. This premium-grade polymer typically features:
Core Characteristics
| Parameter | Specification |
|---|---|
| Molecular Weight Range | 650-3,500 g/mol |
| Appearance | Colorless viscous liquid |
| Viscosity (25°C) | 200-5,000 mPa·s |
| Hydroxyl Value | 16-112 mg KOH/g |
| Acid Value | ≤0.05 mg KOH/g |
| Moisture Content | ≤0.03% |
| Density (20°C) | 0.96-0.98 g/cm³ |
Molecular Weight Comparison
| MW Grade | Typical Applications | Viscosity Profile |
|---|---|---|
| 650-1,000 | High-performance coatings | Low viscosity formulation |
| 1,800-2,000 | Spandex fiber production | Medium flow characteristics |
| 2,500-3,500 | TPU manufacturing | High viscosity processing |
Industrial Applications & Functional Advantages
Primary Market Segments
- Elastomeric Fibers: Critical component in spandex production (75% global consumption)
- Thermoplastic Polyurethanes: Key raw material for TPU with Shore hardness 70A-85D
- Specialty Adhesives: Provides flexibility in polyurethane adhesives (20% market share)
- High-Performance Coatings: Enhances abrasion resistance and weatherability
- Industrial Lubricants
: Functions as synthetic base stock in specialty lubricants
Operational Guidelines & Best Practices
Processing Parameters
| Application | Temperature Range | Catalyst System | Cure Time |
|---|---|---|---|
| Spandex Fiber | 180-220°C | MDI-based systems | 15-30 min |
| TPU Production | 190-210°C | BDO chain extenders | 45-60 min |
| Coatings | 120-150°C | Tin catalysts | 20-40 min |
Client Success Stories: PTMEG Implementation Cases
Case 1: Textile Manufacturing Optimization
Client: ABC Textile Co., Ltd. (Guangdong, China)
Challenge: Required 20% elasticity improvement in spandex fibers
Solution: Implemented PTMEG 2000 MW grade with optimized diisocyanate ratio
Results: Achieved 28% elasticity enhancement with 15% production cost reduction
Case 2: Automotive TPU Components
Client: XYZ Polymer Solutions (Stuttgart, Germany)
Challenge: Needed vibration-resistant TPU for engine components
Solution: Custom-formulated PTMEG 3000 with carbon nanotube reinforcement
Results: Developed TPU with 40% improved vibration damping & 25°C higher HDT
Technical Consultation & Customized Solutions
Our engineering team provides:
- Material selection guidance based on application requirements
- Custom molecular weight development (500-4,000 g/mol)
- Technical datasheets & safety documentation
- Sample provision for R&D validation
Contact our specialists for formulation optimization:
Email: info@vivalr.com
Tel: (86) 15866781826
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