Summary
Poly(N-vinyl pyrrolidone) (PVPr) forms miscible binary blends with poly(hydroxyethyl methacrylate), poly(hydroxypropyl methacrylate) and two styrene/allyl alcohol copolymers, as shown by their glass transition behavior. However, PVPr is immiscible with poly(ethyl methacrylate), poly(n-propyl methacrylate) and polystyrene. The results indicate the importance of hydroxyl groups in achieving miscibility.
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Goh, S.H., Siow, K.S. Miscible blends of poly(N-vinyl pyrrolidone) with some hydroxyl-containing polymers. Polymer Bulletin 23, 205–209 (1990). https://doi.org/10.1007/BF00338502
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DOI: https://doi.org/10.1007/BF00338502