Artículos de revistas
Thermal And Mechanical Properties Of Polystyrene/poly(acrylonitrile-g- (ethylene-co-propylene-co-diene)-g-styrene) (aes) Blends Prepared By The In Situ Polymerization Of Styrene
Registro en:
Journal Of Applied Polymer Science. , v. 105, n. 2, p. 986 - 996, 2007.
218995
10.1002/app.26330
2-s2.0-34250156694
Autor
Lourenco E.
Felisberti M.I.
Institución
Resumen
Polystyrene/AES blends formed by the in situ polymerization of styrene in the presence of poly (acrylonitrile-g-(ethylene-co-propylene-co-diene)-g- styrene) (AES) were prepared. AES is a commercial elastomer obtained by the radical copolymerization of styrene and acrylonitrile in the presence of an ethylene-propylene-diene terpolymer (EPDM). The polystyrene/AES blends presented two phases: an EPDM elastomeric phase dispersed in a rigid matrix. The phase behavior was strongly affected by the polymerization temperature. The blends showed higher thermal stability than the polystyrene homopolymer because of the stabilizing effect of EPDM incorporation. The mechanical properties were influenced by the polymerization temperature and blend composition. The blend prepared at 60°C with 13.0 wt % AES presented an enhancement of 60% in the impact resistance, whereas the blend prepared at 80°C with 21.8 wt % AES presented an enhancement of 150% in the strain at break. Both blends had these properties improved with a small loss in the Young's modulus. © 2007 Wiley Periodicals, Inc. 105 2 986 996 Galloway, J.A., Jeon, H.K., Bell, J.R., Macosko, W., (2005) Polymer, 46, p. 183 Ohishi, H., Ikehara, T., Nishi, T., (2001) J Appl Polym Sci, 80, p. 2347 Katime, I., Quintana, J.R., Price, C., (1995) Mater Lett, 22, p. 297 Ramsteiner, F., Heckmann, W., MacKee, G.E., Breulmann, M., (2002) Polymer, 43, p. 5995 Feng, W., Isayev, A.I., (2004) Polymer, 45, p. 1207 Zhang, Q., Yang, H., Fu, Q., (2004) Polymer, 45, p. 1913 Cavanaugh, T.J., Buttle, K., Turner, J.N., Nauman, E.B., (1998) Polymer, 39, p. 4191 Neoh, S.B., Hashim, A.S., (2004) J Appl Polym Sci, 93, p. 1660 Alfarraj, A., Nauman, E.B., (2004) Polymer, 45, p. 8435 Saron, C., Felisberti, M.I., (2004) Mater Sci Eng A, 370, p. 293 Bucknall, C.B., (1989) Comprehensive Polymer Science, 10, p. 27. , Allen, G, Bevington, J. C, Eastmond, G. C, Ledwith, A, Russo, S, Sigwalt, P, Eds, Pergamon: Oxford Sardelis, K., Michels, H.J., Allen, G., (1987) Polymer, 28, p. 244 Choi, J.H., Ahn, K.H., Kim, S.Y., (2000) Polymer, 41, p. 5229 Amado, F.D.R., Gondran, E., Ferreira, J.Z., Rodrigues, M.A.S., Ferreira, C.A., (2004) J Membr Sci, 234, p. 139 Matisová-Rychlá, L., Ryhlý, J., George, G.A., (2002) Polym Degrad Stab, 75, p. 385 Larocca, N.M., Hage Jr., E., Pessan, L.A., (2004) Polymer, 45, p. 5265 Tanabe, T., Furukawa, H., Okada, M., (2003) Polymer, 44, p. 4765 Hwang, I.J., Lee, M.H., Kim, B.K., (1998) Eur Polym J, 34, p. 671 Cheng, S.-K., Chen, P.-T., Wang, C.-C., Chen, C.-Y., (2003) J Appl Polym Sci, 88, p. 699 Shaw, S., Singh, R.P., (1990) J Appl Polym Sci, 40, p. 685 Shaw, S., Singh, R.P., (1990) J Appl Polym Sci, 40, p. 693 Shaw, S., Singh, R.P., (1990) J Appl Polym Sci, 40, p. 701 Turchet, R., (2002), Master's Thesis, Universidade Estadual de CampinasLu, M., Keskkula, H., Paul, D.R., (1995) J Appl Polym Sci, 58, p. 1775 Lourenço, E., Felisberti, M.I., (2006) Polym Degrad Stab, 91, p. 2968 Sheng, J., Li, F.-K., Hu, J., (1998) J Appl Polym Sci, 67, p. 1199 Keinath, S.E., Boyer, R.F., (1981) J Appl Polym Sci, 26, p. 2077 Hachiya, H., Takayama, S., Takeda, K., (1998) J Appl Polym Sci, 70, p. 2515 Hachiya, H., Takayama, S., Takeda, K., (1998) J Appl Polym Sci, 70, p. 2521 Fekete, E., Földes, E., Damsits, F., Pukánszky, B., (2000) Polym Bull, 44, p. 363 Bates, F.B., Cohen, R.E., Argon, A.S., (1982) Macromolecules, 16, p. 1108 Chiantore, A., Lazzari, M., Ravanetti, G.P., Nocci, R., (1992) J Appl Polym Sci Appl Polym Symp, 51, p. 249 Chiantore, A., Guaita, M., Lazzari, M., (1998) Polymer, 39, p. 2777 Pospíšil, J., Horak, Z., Kruliš, Z., Nešpůrek, S., Kuroda, S.-I., (1999) Polym Degrad Stab, 65, p. 405 Lourenço, E., Felisberti, M.I., (2006) Eur Polym J, 42, p. 2632 Bassani, A. Hage, E., Jr. Pessan, L. A. Machado, A. V. Covas, J. A. Polím Ciênc Tecnol 2005, 15, 176Turchet, R., (2006), Ph.D. Thesis, Universidade Estadual de CampinasPiorkowska, E., Argon, A.S., Cohen, R.E., (1993) Polymer, 34, p. 4435