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

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Copolymer <br/>composition</td><td align="center" colspan="6">
                  
                  Pour point temperature (°C) <br/>at concentrations (ppm)</td></tr><tr class="thead"><td align="center">Nil</td><td align="center">1000</td><td align="center">2000</td><td align="center">3000</td><td align="center">4000</td><td align="center">5000</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">VASM (1 : 1)</td><td align="center">30</td><td align="center">27</td><td align="center">27</td><td align="center">27</td><td align="center">27</td><td align="center">24</td></tr><tr><td align="left">VASM (1 : 2)</td><td align="center">30</td><td align="center">15</td><td align="center">15</td><td align="center">12</td><td align="center">12</td><td align="center">12</td></tr><tr><td align="left">VASM (2 : 1)</td><td align="center">30</td><td align="center">15</td><td align="center">15</td><td align="center">15</td><td align="center">15</td><td align="center">12</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The pour point of untreated crude oil and treated crude oil with VASM.

Journal of Chemistry

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Table 4

Table 4: Adsorption of Polymeric Additives Based on Vinyl Acetate Copolymers as Wax Dispersant and Its Relevance to Polymer Crystallization Mechanisms 

Table 4 | Adsorption of Polymeric Additives Based on Vinyl Acetate Copolymers as Wax Dispersant and Its Relevance to Polymer Crystallization Mechanisms 