22. Durmaz-Hilmioglu N, Yildirim AE, Sakaoglu AS, Tulbentci S (2001) Acetic acid dehydration
by pervaporation. Chem Eng Proc 40:263
23. Benzekri K, Essamri A, Toreis N, Souissi A, Maarouf T, Mas A (2001) Membranes d’alcool
polyvinylique traite ´es par plasma d’acide acrylique. Application a ` la de ´shydratation des
me ´langes eau–e ´thanol par pervaporation. Eur Polym J 37:1607
24. deGennes P-G (1979) Scaling concepts in polymer physics. Cornell University Press, Ithaca
25. Keller A, Cheng SZD (1998) The role of metastability in polymer phase transitions. Polymer
39:4461
26. Atkins EDT, Isaac DH, Keller A, Miyasaka K (1977) Analysis of anomalous X-ray diffraction
effects of isotactic polystyrene gels and its implications for chain conformation and isomeric
homogeneity. J Polym Sci Polym Phys Ed 15:211
27. Atkins EDT, Isaac DH, Keller A (1980) Conformation of polystyrene with special emphasis to
the near all-trans extended-chain model relevant in polystyrene gel. J Polym Sci Polym Phys
Ed 18:71
28. Atkins EDT, Keller A, Shapiro JS, Lemstra PJ (1981) Extended-chain structure for isotactic
polystyrene: additional X-ray diffraction and calorimetric results. Polymer 22:1161
29. Girolamo M, Keller A, Miyasaka M, Overbergh N (1976) Gelation-crystallization in isotactic
polystyrene solutions and its implications to crystal morphology, to the origin and structure of
gels, and to the chemical homogeneity of polyolefins. J Polym Sci Polym Phys Ed 14:39
30. Chatani Y, Nakamura N (1993) Coiled-coil molecular model for isotactic polystyrene gels.
Polymer 34:1644
31. Auriemma F, De Rosa C, Corradini P (2004) Non-helical chain conformations of isotactic
polymers in the crystalline state. Macromol Chem Phys 205:390
32. Guenet J-M (1992) Thermoreversible gelation of polymers and biopolymers. Academic,
London, 1992
33. Ostwald W (1897) Studies on the formation and inversion of solids. First paper: supersaturation and supercooling. Z Phys Chem 22:289
34. Hikmet RM, Callister S, Keller A (1988) Thermoreversible gelation of atactic polystyrene:
phase transformation and morphology. Polymer 29:1378
35. Wellinghoff ST, Shaw J, Baer E (1979) Polymeric materials from the gel state. The development of fringed micelle structure in a glass. Macromolecules 12:932
36. Arnauts J, Berghmans H (1987) Amorphous thermoreversible gels of atactic polystyrene.
Polym Commun 28:66
37. Strobl GR (2007) The physics of polymers. Springer, Berlin
38. Berghmans S, Mewis J, Berghmans H, Meijer H (1995) Phase behavior and structure formation in solutions of poly(2,6-dimethyl-1,4-phenylene ether). Polymer 36:3085
39. Tubbs RK (1966) Sequence distribution of partially hydrolyzed poly(vinyl acetate). J Polym
Sci A1 4:623
40. Bunn CW, Peiser HS (1947) Mixed crystal formation in high polymers. Nature 159:161
41. Bunn CW (1948) Crystal structure of polyvinyl alcohol. Nature 161:929
42. Ricciardi R, Auriemma F, De Rosa C, Laupre ˆtre F (2004) X-ray diffraction analysis of poly
(vinyl alcohol) hydrogels obtained by freezing and thawing techniques. Macromolecules
37:1921
43. Komatsu M, Inoue T, Miyasaka K (1986) Light-scattering studies on the sol–gel transition in
aqueous solutions of poly(vinyl alcohol). J Polym Sci: Polym Phys Ed 24:303
44. Kawanishi K, Komatsu M, Inoue T (1987) Thermodynamic consideration of the sol-gel
transition in polymer solutions. Polymer 28:980
45. Pines E, Prins W (1973) Structure-property relations of thermoreversible macromolecular
hydrogels. Macromolecules 6:888
46. Peppas NA (1976) Crystallization of polyvinyl alcohol-water films by slow dehydration. Eur
Polym J 12:495
47. Mallapragada SK, Peppas NA (1996) Dissolution mechanism of semicrystalline poly(vinyl
alcohol) in water. J Polym Sci Part B: Polym Phys 34:1339
194
C. De Rosa et al.
by pervaporation. Chem Eng Proc 40:263
23. Benzekri K, Essamri A, Toreis N, Souissi A, Maarouf T, Mas A (2001) Membranes d’alcool
polyvinylique traite ´es par plasma d’acide acrylique. Application a ` la de ´shydratation des
me ´langes eau–e ´thanol par pervaporation. Eur Polym J 37:1607
24. deGennes P-G (1979) Scaling concepts in polymer physics. Cornell University Press, Ithaca
25. Keller A, Cheng SZD (1998) The role of metastability in polymer phase transitions. Polymer
39:4461
26. Atkins EDT, Isaac DH, Keller A, Miyasaka K (1977) Analysis of anomalous X-ray diffraction
effects of isotactic polystyrene gels and its implications for chain conformation and isomeric
homogeneity. J Polym Sci Polym Phys Ed 15:211
27. Atkins EDT, Isaac DH, Keller A (1980) Conformation of polystyrene with special emphasis to
the near all-trans extended-chain model relevant in polystyrene gel. J Polym Sci Polym Phys
Ed 18:71
28. Atkins EDT, Keller A, Shapiro JS, Lemstra PJ (1981) Extended-chain structure for isotactic
polystyrene: additional X-ray diffraction and calorimetric results. Polymer 22:1161
29. Girolamo M, Keller A, Miyasaka M, Overbergh N (1976) Gelation-crystallization in isotactic
polystyrene solutions and its implications to crystal morphology, to the origin and structure of
gels, and to the chemical homogeneity of polyolefins. J Polym Sci Polym Phys Ed 14:39
30. Chatani Y, Nakamura N (1993) Coiled-coil molecular model for isotactic polystyrene gels.
Polymer 34:1644
31. Auriemma F, De Rosa C, Corradini P (2004) Non-helical chain conformations of isotactic
polymers in the crystalline state. Macromol Chem Phys 205:390
32. Guenet J-M (1992) Thermoreversible gelation of polymers and biopolymers. Academic,
London, 1992
33. Ostwald W (1897) Studies on the formation and inversion of solids. First paper: supersaturation and supercooling. Z Phys Chem 22:289
34. Hikmet RM, Callister S, Keller A (1988) Thermoreversible gelation of atactic polystyrene:
phase transformation and morphology. Polymer 29:1378
35. Wellinghoff ST, Shaw J, Baer E (1979) Polymeric materials from the gel state. The development of fringed micelle structure in a glass. Macromolecules 12:932
36. Arnauts J, Berghmans H (1987) Amorphous thermoreversible gels of atactic polystyrene.
Polym Commun 28:66
37. Strobl GR (2007) The physics of polymers. Springer, Berlin
38. Berghmans S, Mewis J, Berghmans H, Meijer H (1995) Phase behavior and structure formation in solutions of poly(2,6-dimethyl-1,4-phenylene ether). Polymer 36:3085
39. Tubbs RK (1966) Sequence distribution of partially hydrolyzed poly(vinyl acetate). J Polym
Sci A1 4:623
40. Bunn CW, Peiser HS (1947) Mixed crystal formation in high polymers. Nature 159:161
41. Bunn CW (1948) Crystal structure of polyvinyl alcohol. Nature 161:929
42. Ricciardi R, Auriemma F, De Rosa C, Laupre ˆtre F (2004) X-ray diffraction analysis of poly
(vinyl alcohol) hydrogels obtained by freezing and thawing techniques. Macromolecules
37:1921
43. Komatsu M, Inoue T, Miyasaka K (1986) Light-scattering studies on the sol–gel transition in
aqueous solutions of poly(vinyl alcohol). J Polym Sci: Polym Phys Ed 24:303
44. Kawanishi K, Komatsu M, Inoue T (1987) Thermodynamic consideration of the sol-gel
transition in polymer solutions. Polymer 28:980
45. Pines E, Prins W (1973) Structure-property relations of thermoreversible macromolecular
hydrogels. Macromolecules 6:888
46. Peppas NA (1976) Crystallization of polyvinyl alcohol-water films by slow dehydration. Eur
Polym J 12:495
47. Mallapragada SK, Peppas NA (1996) Dissolution mechanism of semicrystalline poly(vinyl
alcohol) in water. J Polym Sci Part B: Polym Phys 34:1339
194
C. De Rosa et al.