Effects of Adopol EVS-9279X on the emulsion and film properties of emulsion paint

Abstract

The effects of Adopol EVS-9279X on the emulsion and film properties of emulsion paint were investigated using 5% - 10% w/w sample formulations. Results indicate that Adopol EVS-9279X did not alter the apparent viscosities of the emulsion paint samples. It was found to have lowered the specific gravity from 1.53 to 1.47 minimum at 6% w/w formulation and surface tension from 1.013 x 10^-1 Nm^-1 to 0.656 x 10^-1 Nm^-1 minimum at 5% w/w formulation, solid content from 53.4% to 47.5% minimum at 10% w/w formulation. It increased pH from 7.01 to a maximum of 8.85 at 5% w/w formulation and water resistance by reducing water absorption from 25.2% to 23.5% minimum at 5% w/w formulation.


The drying time was reduced from 33.5 minutes to 20.0 minutes minimum at 7% w/w formulation and flexibility improved within 5% - 10% w/w sample formulations studied.


Key Words: Emulsion, Adopol EVS-9279X and Polymer.


Global Jnl Pure & Applied Sciences Vol.10(2) 2004: 279-285