Artículos de revistas
Evaluation Of The Effect Of Pro-degrading Additives In Pp, Blended With Phb [avaliação Do Efeito Pró-oxidante No Pp, Em Blendas Com Phb]
Registro en:
Polimeros. , v. 23, n. 3, p. 432 - 439, 2013.
1041428
10.4322/polimeros.2013.036
2-s2.0-84880786892
Autor
Santos P.A.
Oliveira M.N.
De Paoli M.-A.
Freitas V.G.
Rosa D.S.
Institución
Resumen
The interest in biodegradable polymers has increased because of their environmental advantages. Blending them with other polymers is one of the techniques currently employed to overcome their brittleness, poor processing and cost. This work evaluated different blend compositions of PHB/PP, using a pro-degrading additive for this latter, to make the formulation prone to oxo-biodegradability in simulated soil (ASTM D6003). The mechanical, thermal and chemical behavior of buried injection molded tensile bars was monitored through measurements of tensile strength, DSC, FTIR, GPC and SEM. Part of the samples was oven aged at 90 ̈C for 10 days in order to accelerate the PP oxidation by the additive. The blend made of 56 wt% of PP / 40 wt% of PHB / 3 wt% of GMA / 1 wt% of MnSt was the most susceptible to oxo-biodegradation, having reduced after 180 days of burring in soil, its tensile stress by 40%, tensile elongation by 46% and mass by 24%. These values were even higher than the ones for the pure PHB. This synergic effect was attributed to the acceleration of PHB degradation by the oxidized PP. 23 3 432 439 (2010), www.abiplast.com.br, Associação Brasileira da Indústria do Plástico. - "Anuário da ABIPLAST" Disponível em Acesso em: 10 jun. 2011Sudesh, K., Abe, H., Doi Prog, T., (2000) Polym. Sci., 25, p. 1503 Scott, G., Lemaire, J., Jakubowicz, I., Ojeda, T., Hebbar, P., (2010) OPA Responds to Attack from Hydro-bio Industry, , http://www.biodeg.org, Ox.biodeg. Plastics Association. Disponível Acesso em: 18 ago Martelli, S.M., Fernandes, E.G., Chiellini, E., (2009) J. Therm. Anal. Calorim., 97, p. 853. , http://dx.doi.org/10.1007/s10973-009-0355-2 Khabbaz, F., Albertsson, A.C.J., (2001) J. Appl. Polym. Sci., 79, p. 2309. , http://dx.doi.org/10.1002/1097-4628(20010321)79:122309::AID-APP10383.0. CO;2-E Billingham, N.C., Chiellini, E., Corti, A., Baciu, R., Wiles, D., Environmentally degradable plastics based on oxo-biodegradation of conventional polyolefns (2003) Biodegrad, p. 313. , Chiellini, E. & Solaro, R., Plenum Publisher, New York polymer and Plastics Ammala, A., Bateman, S., Dean, K., Petinakis, E., Sangwan, P., Wong, S., Yuan, Q., Leong, K.H., (2011) Prog. Polym. Sci., 36, p. 1015. , http://dx.doi.org/10.1016/j.progpolymsci.2010.12.002 Determining weight loss from plastic materials exposed to simulated Municipal Solid-Waste (MSW) aerobic compost environment: ASTM D 6003-96 (1996) Annual Book of ASTM Standards, 09.04, , American Society for Testing and Materials Aoyagi, Y., Yamashita, K., Doi, Y., (2002) Polym. Degrad. Stab., 76, p. 53. , http://dx.doi.org/10.1016/S0141-3910(01)00265-8 Sadi, R., Fechine, G.J.M., Demarquette, N.R., Optimal Processing PP/PHB Blends (2007) 23rd Polym Proces Society Meeting, , Salvador Campos, A., Marconato, J.C., Franchetti, S.M.M., (2010) Polímeros, 20, p. 295. , http://dx.doi.org/10.1590/S0104-14282010005000039 Gonçalves, S.P.C., Chinaglia, D.L., Martins-Franchetti, S.M.J., (2009) J. Polym. Environ., 17, p. 280. , http://dx.doi.org/10.1007/s10924-009-0150-y Vanin, M., Santana, C.C., Torriani, I.L., Privelic, T., Duek, E.A.R., (2004) Polímeros., 14, p. 187. , http://dx.doi.org/10.1590/S0104-14282004000300015 Sadi, R.K., Fechine, G.J.M., Demarquette, N.R., Macro2010 (2010) 43rd IUPAC World Polymer Congress, , Glasgow Lucas, N., Bienaime, C., Belloy, C., Queneudec, M., Silvestre, F., Nava-Saucedo, J.E., (2008) Chemosphere, 73, p. 429. , http://dx.doi.org/10.1016/j.chemosphere.2008.06.064, PMid:18723204 Rosa, D.S., Grillo, D., Bardi, M.A.G., Calil, M.R., Guedes, C.G.F., Ramires, E.C., Frollini, E., (2009) Polym Test., 28, p. 836. , http://dx.doi.org/10.1016/j.polymertesting.2009.07.006 Pachekoski, W.M., Agnelli, J.A.M., Belem, L.P., (2009) Mat Res., 12, p. 159. , http://dx.doi.org/10.1590/S1516-14392009000200008 Na, Y.H., He, Y., Nishiwaki, T., Inagawa, Y., Osanai, Y., Matsumura, S., Saito, T., Inoue, Y., (2003) Polym. Degrad. Stab., 79, p. 535. , http://dx.doi.org/10.1016/S0141-3910(02)00371-3