Research Article

Adsorption of Polymeric Additives Based on Vinyl Acetate Copolymers as Wax Dispersant and Its Relevance to Polymer Crystallization Mechanisms

Figure 5

Polarized microscopic image morphologies of (a) untreated and (b) treated Norpetco crude oils with 5000 ppm of VASM (1 : 2) at their pour point temperatures.
(a)
(b)