PDMA (polydimethylacrylamide) is a water-soluble synthetic polymer known for its high flexibility and exceptional elongation capacity, making it suitable for applications requiring elasticity and deformability. It is used primarily in enhanced oil recovery, cosmetics, pharmaceutical delivery systems, and specialized coatings where its ability to dissolve in aqueous solutions and maintain performance under stress is advantageous. Engineers select PDMA over rigid polymers when strain tolerance, biocompatibility, or aqueous processing compatibility is critical, and over natural rubbers when consistent synthesis and chemical stability are required.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 5.500 | MPa | — | ||
Elongation at Break(εf) | 897 | - | — | ||
Ultimate Tensile Strength(σUTS) | 47.28 | kPa | — | ||
Young's Modulus(E) | 95.92 | kPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 332.9 | K | — | ||
Melting Point / Solidus(Tm) | 325.8 | K | — | ||
Maximum Service Temperature(Tmax) | 575.3 | K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.432 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.531 | - | — |