A. Opazo et al., BLENDS OF POLY(N-VINYL-2-PYRROLIDONE) POLY(MONOITACONATES) .2. THE COEFFICIENT OF LINEAR EXPANSION, Macromolecular symposia, 84, 1994, pp. 289-296
Blends of poly(monoitaconates)b) containing different side chain struc
tures with poly(N-vinyl-2-pyrrolidone) (PVP) of three different weight
-average molecular weights (M(w)BAR) were studied by thermomechanical
analysis. Blends containing PVP of M(w)BAR = 10000 shows a monotonous
variation of the coefficient of linear expansion alpha against composi
tion but PVP samples of higher molecular weights present a minimum whi
ch is attributed to polymer-polymer complex due to strong specific int
eractions.