| Nanoreinforced® polyamide 6 (PA6) utilizes POSS® technology to achieve increased hydrophobicity, increased oil resistance, improved toughness and easier processability through structural control at the nanometer level. POSS’s nanoscopic size, dispersion, and chemical structure lead to these enhancements which can be realized in any grade of polyamide. Mechanism of Modification: The hydrophobic properties of POSS® synergistically combines with polyamide morphology to create a nano-rough surface that is both hydrophobic and low friction. The technique is ideally suited to masterbatching. Enhanced hydrophobicity is observed by water contact angle differences for PA6 and Nanoreinforced® PA6. Water contact angle increases with POSS® content, and follows standard rules of mixing when let down from a masterbatch. Lower water uptake results from the enchanced hydrophobicity and durability increases by reducing hydrolytic degradation. Faster processing results from a lubricity effect that is imparted by the POSS and increases melt flow and decreases the screw torque required during compounding and during masterbatch let down. Increased toughness is observed at low loadings of POSS®. Other mechanical characteristics are maintained or improved compared to that of the base polyamide resin grade. Suggested Applications textiles, packaging, film and fiber applications |
