Molecular Interaction Study of Polyvinylchloride in Dimethylformamide at Different Concentrations and Temperatures

Table 1

Density (×10³ kg/m³) of polyvinylchloride (PVC) at different temperatures and concentrations at 1 MHz frequency.

Concentration (%)	Temperature
	30°C	35°C	40°C	45°C	50°C	55°C	60°C	65°C
1.0	1.053	1.036	1.031	0.989	0.979	0.964	0.948	0.942
0.8	1.042	1.034	1.028	0.981	0.967	0.951	0.944	0.941
0.6	0.964	0.937	0.918	0.867	0.840	0.831	0.827	0.825
0.5	0.917	0.904	0.893	0.843	0.832	0.818	0.811	0.81
0.4	0.891	0.868	0.855	0.808	0.796	0.783	0.777	0.776
0.3	0.854	0.803	0.789	0.745	0.735	0.722	0.722	0.716