Polímeros: Ciência e Tecnologia
https://revistapolimeros.org.br/article/doi/10.1590/0104-1428.1653
Polímeros: Ciência e Tecnologia
Scientific & Technical Article

Development and Characterization of Hybrid Materials Based on Biodegradable PLA Matrix, Microcrystalline Cellulose and Organophilic Silica

Dos Santos, Fernanda Abbate; Tavares, Maria Inês B.

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Abstract

The goal of this work was to investigate the production and properties of hybrid materials based on poly(lactic acid) (PLA), employing microcrystalline cellulose (MCC) and organophilic silica (R972) as fillers. The composites were obtained by solution casting to form films. Each nanoparticle was incorporated at 3 wt. %, relative to the polymer matrix. In this experiment, four films were obtained (PLA, PLA/MCC, PLA/R972 and PLA/MCC/R972). The films properties were evaluated by X-ray diffractometry, nuclear magnetic resonance, Fourier transform infrared spectroscopy and mechanical properties. The results showed that each nanoparticle, added individually or both combined, had different effect on the final properties of the films. Microcrystalline cellulose can act as nucleating agent for the crystallization of PLA. Silica promoted an increase in rigidity, due to the strong intermolecular forces, while MCC addition promoted an increase in the molecular mobility of the polymeric chains. The PLA/MCC/R972 film showed the highest crystallinity degree and tensile modulus. This film presented a T1H value between both values found for PLA/MCC and PLA/R972 films. The results indicated that silica R972 could promote a decrease of the surface tension between PLA and cellulose.

Keywords

Biodegradable polymers, microcrystalline cellulose, silica.

References



1. Bilbao-Sainz, C.; Bras, J.; Williams, T.; Sénechal, T. & Orts, W. - Carbohyd. Polym., 86, p.1549 (2011). http://dx.doi. org/10.1016/j.carbpol.2011.06.060

2. Suryanegara, L.; Nakagaito, A. N. & Yano, H. - Compos. Sci. Technol., 69, p.1187 (2009). http://dx.doi.org/10.1016/j. compscitech.2009.02.022

3. Davis, G. & Song. J. H. - Ind. Crop. Prod., 23, p.147 (2006). http://dx.doi.org/10.1016/j.indcrop.2005.05.004

4. Mecking, S. - Angew. Chem. Int. Ed. Engl., 43, p.1078 (2004). PMid:14983440. http://dx.doi.org/10.1002/anie.200301655

5. Mohanty, A. K.; Misra, M. & Drzal, L. T. - J Polym. Environ., 10, p.19 (2002). http://dx.doi.org/10.1023/A:1021013921916

6. Mohanty, A. K.; Misra, M. & Hinrichsen, G. - Macromol. Mater. Eng., 276-277, p.1 (2000). http://dx.doi. org/10.1002/(SICI)1439-2054(20000301)276:1<1::AIDMAME1> 3.0.CO;2-W

7. Pang, X.; Zhuang, X.; Tang, Z. & Chen, X. - J. Biotechnol., 5, p.1125 (2010).

8. Almeida, A. S.; Tavares, M. I. B.; Silva, E. O.; Cucinelli Neto, R. P. & Moreira L. A. - Polym. Test., 31, p.267 (2012).

9. Jonoobi, M.; Mathew, A. P.; Abdi, M. M.; Makinejad, M. D. & Oksman, K. J. - Polym. Environ., 20, p.991 (2012). http:// dx.doi.org/10.1007/s10924-012-0503-9

10. Li, Y.; Han, C.; Bian, J.; Han, L.; Dong, L. & Gao, G. - Polym. Compos., 33, p.1719 (2012). http://dx.doi.org/10.1002/ pc.22306

11. Najafi, N.; Heuzey, M. C. & Carreau, P. J. - Compos Sci Technol., 72, p.608 (2012). http://dx.doi.org/10.1016/j. compscitech.2012.01.005

12. Nakagaito, A. N.; Fujimura, A.; Sakai, T.; Hama, Y. & Yano, H. - Comp Sci. Techn., 69, p.1293 (2009). http://dx.doi. org/10.1016/j.compscitech.2009.03.004

13. Nam, J. Y.; Ray, S. S. & Okamoto, M. - Macromol., 36, p.7126 (2003). http://dx.doi.org/10.1021/ma034623j

14. Tingaut, P.; Zimmermann, T. & Lopez-Suevos F. - Biomacromol., 11, p.454 (2010). PMid:20025270. http:// dx.doi.org/10.1021/bm901186u

15. Farsani, R. E.; Nasab, Z. H.; Khalili, S. M. R. & Soleimani, N. - Adv. Mat. Res., 448, p.567 (2012). http://dx.doi.org/10.4028/ www.scientific.net/AMR.488-489.567

16. Medeiros, V. N.; Araújo, E. M.; Maia, L. F.; Pereira, O. D.; Arimateia, R. R. & Paz, R. A. - Polímeros, 18, p.302 (2008).

17. Vanderhart, D. L.; Asano, A. & Gilman, J. W. - Chem. Mater., 13, p.3781 (2001). http://dx.doi.org/10.1021/cm0110775

18. Monteiro, M. S. S. B.; Cucinelli Neto, R. P.; Santos, I. C. S.; Silva, E. O. & Tavares M. I. B. - J. Mat. Res. 15, p.825 (2012). http://dx.doi.org/10.1590/S1516-14392012005000121

19. Monteiro, M. S. S. B.; Silva, E. O.; Rodrigues, C. L.; Cucinelli Neto, R. P. & Tavares, M. I. B. - J. Nanosci. Nanotechnol., 12, p.7307 (2012). PMid:23035469. http://dx.doi.org/10.1166/ jnn.2012.6431

20. Rong, M. Z.; Zhang, M. Q.; Liu, Y.; Yang, G. C. & Zeng, H. M. - Compos. Sci. Technol., 61, p.1427 (2001).

21. Siqueira, G.; Bras, J. & Dufresne, A. - Biomacromol., 10, p.425 (2009). PMid:19113881. http://dx.doi.org/10.1021/ bm801193d

22. Lu, J.; Wang, T. & Drzal, L.T. - Compos Part A Appl Sci Manuf., 39, p.738 (2008). http://dx.doi.org/10.1016/j. compositesa.2008.02.003

23. Jiang, L.; Morelius, E.; Zhang, J.; Wolcott, M. & Holbery, J. J. - Compos. Mater., 42, p.2629 (2008).

24. Lee, E. C.; Mielewski, D. F. & Baird; R. J. - Polym. Eng. Sci., 44, p.1773 (2004). http://dx.doi.org/10.1002/pen.20179

25. Pereira, A. - “Micro-extração em fase sólida de Cu(II) e Cd(II) em meio aquoso utilizando sílica organicamente modificada para quantificação por espectrometria de absorção atômica”, Dissertação de Mestrado, Universidade Estadual Paulista, Ilha Solteira, Brasil (2009).

26. Oh, S. Y.; Yoo, D. I.; Shin, Y.; Kim, H. C.; Kim, H. Y.; Chung, Y. S.; Park, W. H. & Youke, J. H. - Carbohydr. Res., 340, p.2376 (2005). PMid:16153620. http://dx.doi.org/10.1016/j. carres.2005.08.007

27. Mo, Z. L.; Qiao, L. J.; Chen, H.; Guo, R. B.; Sun, Y. L. & Li, H. J. - J Mater. Sci. Eng., 2, p.17 (2008).

28. Xu, S. H.; Gu, J.; Luo, Y. F. & Jia. D. M. - Express Polym. Lett., 6, p.14 (2012). http://dx.doi.org/10.3144/ expresspolymlett.2012.3

29. Petersson, L. & Oksman, K. J. - ACS Symp. Ser., 938, p.132 (2006). http://dx.doi.org/10.1021/bk-2006-0938.ch010

30. Oksman, K.; Mathew, A. & Sain, M. - J Appl. Polym. Sci., 101, p.300 (2006). http://dx.doi.org/10.1002/app.23346

31. Abdelmouleh, M.; Boufi, S.; Belgacem, M. N.; Dufresne, A.; Gandini, A. - J Appl. Polym. Sci., 98, p.974 (2005). http:// dx.doi.org/10.1002/app.22133
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