Document Abstract
ANTEC Papers: 1999
654: Viscoelastic Properties of Rotational Molding Resins
Mark Weber, NOVA Chemicals Ltd., Calgary, Alberta, Canada Rod Gonzales, NOVA Chemicals Ltd., Calgary, Alberta, Canada
The processability of polyethylene for rotational molding applications is dependent on both viscosity and elasticity. Two samples were compared with equivalent viscosities but differing degrees of elasticity. The resin with decreased elasticity had a shorter cook time and rotomolded parts exhibited better physical properties and fewer air bubbles. Further testing is proposed to quantify more clearly the differences in elasticity.