N-Dodecyltriethoxysilane (CAS 18536-91-9) User Guide
Table of Contents
- 1. Product Specifications & Comparative Analysis
- 2. Applications & Functional Mechanisms
- 3. Implementation Case Studies
- 4. Verified Client Success Stories
- 5. Consultation & Sample Requests
1. Product Specifications & Comparative Analysis
| Parameter | N-Dodecyltriethoxysilane | Octyltriethoxysilane | Hexadecyltriethoxysilane |
|---|---|---|---|
| CAS Number | 18536-91-9 | 2943-75-1 | 16415-12-6 |
| Molecular Formula | C18H40O3Si | C14H32O3Si | C22H48O3Si |
| Hydrophobicity | High (C12 chain) | Medium (C8 chain) | Very High (C16 chain) |
| Reactivity | Controlled hydrolysis | Fast hydrolysis | Slow hydrolysis |
2. Applications & Functional Mechanisms
Core Applications:
- Rubber Compounding: Enhances filler dispersion (SiO2/carbon black) with 15-25% improvement in tensile strength
- Surface Modification: Creates water contact angles >110° on glass/metals
- Adhesion Promotion: Increases coating-substrate bonding by 40-60% in epoxy systems
- Mineral Processing: Reduces moisture absorption in calcium carbonate by 30-50%
3. Implementation Case Studies
Case 1: Tire Manufacturing Optimization
Challenge: Silica-filled tires showed 22% higher rolling resistance than carbon black equivalents
Solution: 1.8phr N-Dodecyltriethoxysilane addition in tread compound
Results: 18% reduction in rolling resistance while maintaining wet grip (ISO 28580)
Case 2: Marine Coating Enhancement
Challenge: Hull coatings required 30% longer service intervals
Solution: 0.5% surface pretreatment with ethanolic silane solution
Results: Biofouling resistance extended from 12 to 18 months (ASTM D6990)
4. Verified Client Success Stories
Client A: Polymer Solutions GmbH
Industry: Engineering plastics compounding
Application: Glass fiber-reinforced PA6 modification
Metrics:
– 27% reduction in moisture absorption (ISO 62)
– 19% improvement in flexural strength (ISO 178)
Client B: AsiaCoat Technologies
Industry: Industrial protective coatings
Application: Chemical storage tank linings
Metrics:
– Acid resistance increased from 72hr to 168hr (ASTM D1308)
– Adhesion strength 8.2MPa vs. original 5.6MPa (ASTM D4541)
5. Consultation & Sample Requests
For technical specifications sheets or formulation assistance:
Email: info@vivalr.com
Tel: (86) 15866781826
Request free sample (500g trial quantities available):
Specify required application area and base material type.
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