## 3 Results
### Work of Adhesion of Organic Solvents on Modified Copolymer
}\) & \(\rm R^{2}\) \\ \hline n-hexane & \(W_{a}(T)=-1.07\,\)T + 513.05 & \(1.07\) & 513.05 & 477.57 & 0.9972 \\ \hline n-heptane & \(W_{a}(T)=-0.92\,\)T + 454.45 & \(0.92\) & 454.45 & 495.64 & 0.9858 \\ \hline n-octane & \(W_{a}(T)=-0.95\,\)T + 475.17 & \(0.95\) & 475.17 & 502.61 & 0.9804 \\ \hline n-nonane & \(W_{a}(T)=-0.99\,\)T + 498.93 & \(0.99\) & 498.93 & 506.17 & 0.9778 \\ \hline Benzene & \(W_{a}(T)=-1.10\,\)T + 550.93 & \(1.10\) & 550.93 & 502.67 & 0.9812 \\ \hline Toluene & \(W_{a}(T)=-1.29\,\)T + 664.32 & \(1.29\) & 664.32 & 514.42 & 0.9754 \\ \hline Ethyl acetate & \(W_{a}(T)=-1.29\,\)T + 669.43 & \(1.29\) & 669.43 & 518.38 & 0.9859 \\ \hline Ethanol & \(W_{a}(T)=-1.85\,\)T + 945.32 & \(1.85\) & 945.32 & 510.21 & 0.9932 \\ \hline i-Propanol & \(W_{a}(T)=-1.74\,\)T + 891.1 & \(1.74\) & 891.1 & 511.04 & 0.9905 \\ \hline Dichlormethane & \(W_{a}(T)=-1.23\,\)T + 654.39 & \(1.23\) & 654.39 & 531.03 & 0.9921 \\ \hline \multicolumn{6}{c}{**1\% Melamine/S-DVB Copolymer**} \\ \hline Solvents & \(W_{a}(T)\) & \(\Delta S_{S}\) & \(\Delta H_{S}\) & \(T_{Mex. }\) & \(\rm R^{2}\) \\ \hline n-hexane & \(W_{a}(T)=-1.00\,\)T + 480.8 & \(1.00\) & 480.8 & 479.55 & 0.9967 \\ \hline n-heptane & \(W_{a}(T)=-0.66\,\)T + 335.68 & \(0.65\) & 335.68 & 512.65 & 0.9999 \\ \hline n-octane & \(W_{a}(T)=-0.59\,\)T + 317.85 & \(0.60\) & 317.85 & 531.17 & 0.9999 \\ \hline n-nonane & \(W_{a}(T)=-0.58\,\)T + 316.17 & \(0.58\) & 316.17 & 542.69 & 0.9999 \\ \hline Benzene & \(W_{a}(T)=-0.71\,\)T + 375.92 & \(0.71\) & 375.92 & 531.94 & 0.9999 \\ \hline Toluene & \(W_{a}(T)=-0.57\,\)T + 335.24 & \(0.57\) & 335.24 & 585.37 & 0.9999 \\ \hline Ethyl acetate & \(W_{a}(T)=-0.58\,\)T + 319.32 & \(0.58\) & 319.32 & 554.47 & 0.9999 \\ \hline Ethanol & \(W_{a}(T)=-0.64\,\)T + 368.46 & \(0.64\) & 368.46 & 574.46 & 0.9999 \\ \hline i-Propanol & \(W_{a}(T)=-1.21\,\)T + 668.61 & \(1.21\) & 668.61 & 553.39 & 0.9999 \\ \hline Dichlormethane & \(W_{a}(T)=-1.34\,\)T + 662.71 & \(1.34\) & 662.71 & 494.38 & 0.9997 \\ \hline \multicolumn{6}{c}{**2\% Melamine/S-DVB Copolymer**} \\ \hline Solvents & \(W_{a}(T)\) & \(\Delta S_{S}\) & \(\Delta H_{S}\) & \(T_{Mex. }\) & \(\rm R^{2}\) \\ \hline n-hexane & \(W_{a}(T)=-0.78\,\)T + 372.02 & \(0.78\) & 372.02 & 477.93 & 0.9946 \\ \hline n-heptane & \(W_{a}(T)=-0.52\,\)T + 265.41 & \(0.52\) & 265.41 & 506.89 & 0.994 \\ \hline n-octane & \(W_{a}(T)=-0.50\,\)T + 260.01 & \(0.50\) & 260.01 & 520.64 & 0.9894 \\ \hline n-nonane & \(W_{a}(T)=-0.50\,\)T + 263.73 & \(0.50\) & 263.73 & 528.73 & 0.9864 \\ \hline Benzene & \(W_{a}=-0.59\,\)T + 308.05 & \(0.59\) & 308.05 & 519.30 & 0.9904 \\ \hline Toluene & \(W_{a}(T)=-0.58\,\)T + 324.78 & \(0.58\) & 324.78 & 563.95 & 0.9789 \\ \hline Ethyl acetate & \(W_{a}(T)=-0.59\,\)T + 334.41 & \(0.59\) & 334.41 & 568.34 & 0.9892 \\ \hline Ethanol & \(W_{a}(T)=-1.5\,\)T + 764.61 & \(1.50\) & 764.61 & 510.52 & 0.9983 \\ \hline i-Propanol & \(W_{a}(T)=-1.15\,\)T + 694.21 & \(1.15\) & 694.21 & 602.30 & 0.9964 \\ \hline Dichlormethane & \(W_{a}(T)=-0.85\,\)T + 502.92 & \(0.85\) & 502.92 & 590.42 & 0.9978 \\ \hline \multicolumn{6}{c}{**3\% Melamine/S-DVB Copolymer**} \\ \hline Solvents & \(W_{a}(T)\) & \(\Delta S_{S}\) & \(\Delta H_{S}\) & \(T_{Mex.