在本研究中，將聚(N-乙烯甲醯胺) (poly(N-vinylformamide)，PNVF)和聚(N-乙烯吡咯烷酮) (poly(N-vinylpyrrolidone)，PVP)以去離子水為溶劑將其摻合，並加入第三成分界面活性劑Sodium Dodecyl Sulfate (SDS)、Cetyltrmethylammonium bromide (CTAB)作為增容劑(compatibilizer)幫助其摻合物相容性提升。在探討摻合物的固態相行為前，本研究先探討高分子與界面活性劑水溶液之間的交互作用力，在與固態摻合物之間做比較。由螢光光譜與黏度結果得知，高分子會與界面活性劑在水溶液下形成複合物，其主要由於高分子與界面活性劑之間的疏水作用力與靜電作用力造成。
而在摻合物固態相行為方面，由掃描式熱差分析儀結果得知，PNVF和PVP兩成分摻合物為相分離的情形，而PNVF和PVP分別與第三成分界面活性劑SDS、CTAB相容，所以本研究希望藉由加入SDS、CTAB使PNVF/PVP摻合物相容性增加。當PNVF和PVP兩成分摻合物加入SDS時，由掃描式熱差分析儀結果得知，PNVF/PVP/SDS三成分摻合在特定比例下為單一玻璃轉移溫度的情形，而由光學顯微鏡和掃描式電子顯微鏡得知，PNVF/PVP/SDS三成分摻合物在各種摻和比皆為相分離的形態。在掃描式熱差分析儀和顯微鏡結果差異是因為摻和物加入SDS後，SDS與PNVF和PVP相容性之間的差異，造成PNVF和PVP兩者玻璃轉移溫度下降程度不同，使兩玻璃轉移溫度重合。而高分子和SDS在固態情況下，高分子與界SDS的疏水作用力並不存在，而其主要藉由靜電作用力使其相容。
而在PNVF和PVP摻合物中加入第三成分陽離子界面活性劑CTAB，由掃描式熱差分析儀、光學顯微鏡和掃描式電子顯微鏡得知，PNVF/PVP/CTAB三成分摻合在各種比例下皆為相分離型態，並沒有相容性增加的情形。綜合以上結果得知，在PNVF/PVP兩成分摻和中加入陰離子界面活性劑SDS或陽離子界面活性劑CTAB皆無增容的效果。

In this research, the polymer blend of poly(N-vinylformamide) (PNVF) and poly(N-vinylpyrrolidone) (PVP) were studied by differential scanning calorimetry and scanning electron microscopy. We add the third composition surfactants SDS and CTAB as a compatibilizer to help its blends compatible. Before Investigating solid state phase behavior of the blends,We explore the interaction between the polymer and surfactant in aqueous solutions. And then to compare with the solid-state polymer blend.The interaction of Polymers and surfactants were studied in aqueous solution by fluorescence spectroscopy and viscosity and that the polymer will form complexes with the surfactant in aqueous solutions, mainly due to hydrophobic interaction and electrostatic interaction between the polymer and surfactant.
And the solid-state phase behavior of blends, differential scanning calorimetry results indicated that PNVF / PVP blends the case of phase separation, while PNVF and PVP were compatibility with third composition surfactant. Therefore, this research be hope that compatibility of PNVF and PVP increased by adding the third composition surfactant. When the two composition PNVF and PVP blends by adding SDS, the differential scanning calorimetry results indicated that PNVF / PVP / SDS were single glass transition temperature on certain percentage. By optical microscopy and scanning electron microscopy, PNVF / PVP / SDS ternary blend are phase separation. This is because by adding SDS, SDS will be the different compatible with PNVF and PVP, to cause PNVF and PVP both glass transition temperature decrease different, and coincidence. Polymer and surfactant in the solid-state, the hydrophobic interaction between the polymer and surfactant does not exist, mainly by the electrostatic force make it compatible. Adding cationic surfactant CTAB in the PNVF and PVP blends were studied by scanning differential thermal analysis, optical microscopy and scanning electron microscopythat, PNVF / PVP / CTAB are phase separation. Above, by adding the anionic surfactant SDS or the cationic surfactant CTAB was not compatibilization in PNVF / PVP polymer blend.

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