| abstract |
A universal masterbatch composition for adding fillers and particularly pigment to polymers, having up to 85%, by weight, of at least one filler being carbon black, titanium dioxide or ultramarine blue, up to 25%, by weight, of at least one viscosity modifier being ethylene bis stearamide, polybutylene or hot melt acrylate copolymers and a remainder quantity of a styrene butadiene block copolymer. The composition preferably further includes up to 5%, by weight, of at least one processing aid in the form of metallic stearates, stearic acid, organic stearates or fluoroelastomer and up to 2%, by weight, of at least one antioxidant. |