CAS · 56706-10-6
Product Overview
Bis(triethoxysilylpropyl) disulfide is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | Light yellow to yellow transparent liquid |
|---|---|
| Density (20℃): | 1.020-1.045 g/cm³ |
| Refractive index (25℃): | 1.440-1.480 |
| Flash point: | 100℃ min. |
| Ethanol content: | 0.5% max. |
| Viscosity (20℃): | 12 mPa·s max. |
| Sulfur content: | 13.5-15.5% |
| S2 content: | 72.5-77.5% |
| S3 content: | 12.5-22.5% |
| S4 content: | 2.5-7.5% |
| The content of S5-S8: | 6.5% max. |
| Average sulfur chain length: | 2.25-2.45% |
| Free sulfur: | 0.1% max. |
| Chlorine content: | 0.4% max. |
| Impurity: | 3.0% max. |
Applications
1. Rubber and Tire Industry
Used as a silane coupling agent to improve the bonding between silica fillers and rubber matrices.
Enhances mechanical strength, abrasion resistance, and rolling resistance in tires.
Improves durability and fuel efficiency in automotive tires.
2. Composite Materials
Acts as a compatibilizer in silica-filled polymer composites, enhancing filler dispersion and adhesion.
Used in silicone and epoxy resin systems to improve crosslinking and material properties.
3. Adhesives and Sealants
Incorporated into adhesives to enhance bonding between organic polymers and inorganic substrates.
4. Coatings
Enhances durability, adhesion, and chemical resistance of coatings applied on various surfaces.=
Benefits
Improved Filler-Matrix Interaction: Enhances mechanical properties and wear resistance.
Better Dispersion: Promotes uniform distribution of inorganic fillers in polymers.
Enhanced Durability: Improves heat resistance, aging, and chemical stability.
Versatility: Compatible with various polymers including natural rubber, styrene-butadiene rubber, and others.
Conclusion
Bis(triethoxysilylpropyl) disulfide (CAS 56706-10-6) is a key organosilane coupling agent used primarily in the rubber, tire, and composite industries to enhance bonding between inorganic fillers like silica and organic polymers. Its use leads to improved mechanical performance, durability, and overall quality of advanced materials.
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