Effect of magnetic nanoparticles on the thermal properties of some hydrogels

Polymer Degradation and Stability

Volumn 92, Issue 12, 2007, Pages 2198-2205

  Goiti, E ^a   Salinas, M M ^a,b   Arias, G ^c   Puglia, D ^b   Kenny, J M ^b   Mijangos, C ^a  

^a INSTITUTO DE CIENCIA Y TECNOLOGÍA DE POLÍMEROS   (Spain)

^b UNIVERSITY OF PERUGIA   (Italy)

^c CENTRO DE INVESTIGACIÓN EN QUÍMICA APLICADA   (Mexico)

Author keywords

Ferrogel; Magnetite nanoparticles; Polyhydroxyethyl methacrylate; Polyvinyl alcohol; Thermal degradation

Indexed keywords

CROSSLINKING; MAGNETITE; NANOPARTICLES; POLYVINYL ALCOHOLS; PYROLYSIS; THERMODYNAMIC STABILITY; THERMOGRAVIMETRIC ANALYSIS;

FERROGELS; FLYNN-WALL; KISSINGER METHODS; MAGNETITE NANOPARTICLES; POLYHYDROXYETHYL METHACRYLATES;

HYDROGELS;

EID: 36549060539     PISSN: 01413910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.polymdegradstab.2007.02.025     Document Type: Article

References (27)

1. Hernández R., Sarafian A., López D., and Mijangos C. Viscoelastic properties of poly(vinyl alcohol) hydrogels and ferrogels obtained through freezing-thawing cycles. Polymer 45 16 (2004) 5543-5549
2. Zrínyi M., Barsi L., and Büki A. Ferrogel: a new magneto-controlled elastic medium. Polym Gels Networks 5 (1997) 415-427
3. Chatterjee J., Haik Y., and Chen C.J. pH-Reversible magnetic gel with a biodegradable polymer. J Appl Polym Sci 91 (2004) 3337-3341
4. Collin D., Auernhammer G.K., Gavat O., Martinoty P., and Brand H.R. Frozen-in magnetic order in uniaxial magnetic gels: preparation and physical properties. Macromol Rapid Commun 24 (2003) 737-741
5. Haas W., Zrinyi M., Kilian H.G., and Heise B. Structural analysis of an isometric colloidal iron (III)-hydroxide particles and particle-aggregates incorporated in poly(vinyl acetate) networks. Colloid Polym Sci 271 (1993) 1024-1034
6. Sanz R., Luna C., Hernández Vélez M., Vázquez M., López D., and Mijangos C. A magnetopolymeric nanocomposite: Co80Ni20 nanoparticles in a PVC matrix. Nanotechnology 16 (2005) S278-S281
7. Denq B.L., Chiu W.Y., and Lin K.F. Kinetic model of thermal degradation of polymers for nonisothermal process. J Appl Polym Sci 66 (1997) 1855-1868
8. Peterson J.D., Vyazovkin S., and Wight C.A. Kinetics of the thermal and thermo-oxidative degradation of polystyrene, polyethylene and poly(propylene). Macromol Chem Phys 202 6 (2001) 775-784
9. Goiti E, Arias G, Sanz R, Vázquez M, Mijangos C. Magnetic properties of polyvinyl alcohol and polyhydroxy ethyl methacrylate ferrogels. Submitted for publication.
10. Anders H., and Zimmermann H. A comparison of the thermal degradation behaviours of poly(vinyl acetate), poly(vinyl alcohol) and poly(vinyl chloride). Polym Deg Stab 18 (1987) 111-122
11. Vasile C., Calugaru E.M., and Bodonea S.F. Thermoxidative degradation of poly(vinyl alcohol) under dynamic thermogravimetric conditions. II. Influence of the hydrolysis degree. J Polym Sci: Polym Chem Ed 19 (1981) 897-905
12. Alvarez V.A., Ruseckaite R.A., and Vázquez A. Kinetic analysis of thermal degradation in poly(ethylene-vinyl alcohol) copolymers. J Appl Polym Sci 90 (2003) 3157-3163
13. Alexy P., Kachová D., Krsiak M., Bakos D., and Simková B. Poly(vinyl alcohol) stabilization in thermoplastic processing. Polym Deg Stab 78 (2002) 413-421
14. 13C c.p/m.a.s n.m.r. Polymer 33 4 (1992) 718-724
15. Aggour Y.A. Reaction kinetic of graft copolymerization and thermochemical studies of the degradation of poly(vinyl alcohol) graft copolymer. Polym Int 50 (2001) 347-353
16. Sivaram S., and Singh R.P. Degradation and stabilization of ethylene-propylene copolymers and their blends - a critical review. Adv Polym Sci 101 (1991) 169-215
17. López D., Cendoya I., Torres F., Tejada J., and Mijangos C. Preparation and characterization of poly(vinyl alcohol)-based magnetic nanocomposites. 1. Thermal and mechanical properties. J Appl Polym Sci 82 (2001) 3215-3222
18. Török Gy., Lebedev V.T., Cser L., and Zrinyi M. NSE-study of magnetic phase dynamics in poly(vinylalcohol) ferrogel. Physica B 276-278 (2000) 396-397
19. Varga Z., Fehér J., Filipcsei G., and Zrinyi M. Smart nanocomposite polymer gels. Macromol Symp 200 (2003) 93-100
20. Jarkova E., Pleiner H., Muller H.W., and Brand H.R. Hydrodynamics of isotropic ferrogels. Physical Review E 68 (2003) 041706
21. Hernández R., López D., Mijangos C., and Guenet J.M. A reappraisal of the "thermoreversible" gelation of aqueous poly(vinyl alcohol) solutions through freezing-thawing cycles. Polymer 43 (2002) 5661-5663
22. Razga J., and Petranek J. Thermal degradation of poly-2-hydroxyethyl methacrylate by pyrolysis gas chromatography. Eur Polym J 11 (1975) 805-808
23. Teijón C., Olmo R., Blanco M.D., Teijón J.M., and Romero A. Effect of the crosslinking degree and nickel salt load on the thermal decomposition of poly(2-hydroxyethyl methacrylate) hydrogels and on the metal release from them. J Colloid Int Sci 295 (2006) 393-400
24. Flynn J.H., and Wall L.A. A quick, direct method for the determination of activation energy from thermogravimetric data. Polym Lett 4 (1966) 323-328
25. Kissinger H.E. Reaction kinetics in differential thermal analysis. J Anal Chem 29 (1957) 1702-1706
26. Ricciardi R., Auriemma F., De Rosa C., and Laupretre F. X-ray diffraction analysis of poly(vinyl alcohol) hydrogels, obtained by freezing and thawing techniques. Macromolecules 37 (2004) 1921-1927
27. Park J., Park J., and Ruckenstein E. On the viscoelastic properties of poly(vinyl alcohol) and chemically crosslinked poly(vinyl alcohol). J Appl Polym Sci 82 (2001) 1816-1823