DMSO-Synthetic Fiber Spinning
Dimethyl Sulfoxide-Synthetic Fiber Spinning
DMSO is a highly effective solvent, capable of dissolving otherwise poorly soluble monomers and maintaining high molecular weight polymers in solution. These unique solvent properties make DMSO an ideal choice for various polymer synthesis processes.Its role is critical in the production of chemically resistant polymers and advanced engineering resins, including carbon fiber, polysulfones, ultrafiltration membranes, and polymer dispersions.
Quantity
Product Name:Dimethyl Sulfoxide
Alias:Dimethyl Sulphoxide
EC:200-664-3
CAS:67-68-5
MF:C2H6OS
MW:78.13g/mol
Colorless clear liquid or solid
Melting point: 66.2°F (19°C)
Boiling point: 372.2°F (189°C)
Density: 1.10 g/cm³C
Specification:
| Items | Specification | ||
| I | II | III | |
| Appearance | Transparent liquid or crystallize | Transparent liquid or crystallize | Transparent liquid or crystallize |
| Purity(By GC) | 99.98Min | 99.96Min | 99.90Min |
| Crystallization point℃ | 18.3Min | 18.3Min | 18.1Min |
| Transparency(400nm) | 99Min | 99Min | 98Min |
| Acid Value(mgKOH/g) | 0.01Max | 0.02Max | 0.03Max |
| Refractive Index(20℃) | 1.4778-1.4800 | 1.4778-1.4800 | 1.4775-1.4800 |
| Water | 0.03%Max | 0.03%Max | 0.1%Max |
| Density(25℃ g/cm³) | 1.0940-1.1030 | 1.0940-1.1030 | 1.0940-1.1030 |
| Chroma(Hazen) | 10Max | 10Max | 10Max |
Applications:
The multi-step manufacturing process of carbon fiber relies heavily on DMSO as a processing solvent. It plays a key role in the spinning of polyacrylonitrile (PAN) fibers, which serve as the primary precursor to carbon fiber. DMSO is utilized both in the spinning dope formulation and in the coagulation bath, making it essential to achieving the required fiber properties and processing efficiency.
Packing:
225KG/Plastic drum
25mt/ ISO TANK