Effect of Pigments on Physical Properties of Unsaturated Polyester Resin Films

概要

論文の詳細を見る
An experiment to facilitate the analysis of pigment effects on the mechanical properties of paint films is described. The samples studied were based on unsaturated polyester resin films filled with surface treated glass flakes (I), untreated glass flakes (II) and glass beads (III). Stress-strain properties, dynamic viscoelasticity and degree of swelling for the films of various pigment volume concentration, observation of the fracture surface of the films by scanning electron microscope (SEM) and the adsorption of the vehicle on the pigment surface with gel permeation chromatography (GPC) were investigated. The effects of morphology of pigment particles were also studied. 1) The interaction between the vehicle and I was larger than that between the vehicle and II, and this agrees with the experimental results obtained by GPC, T<SUB>g</SUB>, degree of water absorption, SEM, etc. 2) The tensile strength and the elongation at break for I films were larger than those for II films, while there was little difference in the increasing ratio of the modulus. 3) The reinforcing effect for I or II films was more pronounced than that for III films. These experimental results were examined with the pigment reinforcement theories
Japan Society of Colour Materialの論文