Pins composed of poly(L-lactic acid)/poly(3-hydroxybutyrate-co- hydroxyvalerate) PLLA/PHBV blends: Degradation in vitro

Journal of Applied Biomaterials and Biomechanics

Volumn 3, Issue 1, 2005, Pages 50-60

  Ferreira, Betina M P ^a,b   Duek, E A R ^a  

^a PONTIFÍCIA UNIVERSIDADE CATÓLICA DE CAMPINAS   (Brazil)

^b PONTIFÍCIA UNIVERSIDADE CATÓLICA DE SÃO PAULO   (Brazil)

Author keywords

Bioabsorbable polymers; Blends; Hydrolytic degradation; Poly(3 hydroxybutyrate co hydroxyvalerate; Poly(L lactic acid)

Indexed keywords

POLY(3 HYDROXYBUTYRATE CO HYDROXYVALERATE); POLYLACTIC ACID; UNCLASSIFIED DRUG; VALERIC ACID;

ARTICLE; CRYSTALLIZATION; DIFFERENTIAL SCANNING CALORIMETRY; GLASS TRANSITION TEMPERATURE; MISCIBILITY; SCANNING ELECTRON MICROSCOPY; THERMOGRAVIMETRY;

EID: 28244436418     PISSN: 17226899     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. Saad B, Neuenschwander P, Uhlschmid GK, Suter UW. New versatile, elastomeric, degradable polymeric materials for medicine. Int J Biol Macromol 1999; 25: 293-301.
2. Rehman I, Andrews EH, Smith R. In vitro degradation of poly (ester-urethanes) for biomedical applications. J Mater Sci: Mater Med 1996; 7: 17-20.
3. Ferreira BMP, Zavaglia CAC, Duek EAR. Films of poly(L-lactic acid)/ poly(hydroxybutyrate-co-hydroxyvalerate) blends: in vitro degradation. Mater Res 2001; 4: 3442.
4. Barbanti SH, Duek EAR. Porous and dense poly(L-lactic acid) membranes: in vitro phosphate buffered degradation. Microsc Acta 2000; 9: 17-8.
5. Luciano RM, Zavaglia CAC, Duek EAR. Preparation of bioabsorbable nerve guide tubes. Artif Organs 2000; 24: 206-8.
6. Tsuji H, Ikada Y. Blends of crystalline and amorphous poly(lactide). 3. Hydrolysis of solution-cast blend films. Journal of Applied Polymer Science 1997; 63: 855-63.
7. Duek EAR, Zavaglia CAC, Belangero WD. In vitro study of poly(lactic acid) pin degradation. Polymer 1999; 40: 6465-73.
8. Fisher EW, Sterze HJ, Wegner G. Investigation of the structure of solution grown crystals of lactide copolymers by means of chemical reactions. Kolloid-Z Z Polymere 1973; 251: 980-90.
9. Penning JP, Manley RStJ. Miscible blends of two crystalline polymers. 2. Crystallization kinetics and morphology in blends of poly(vinylidene fluoride) and poly(1,4-butylene adipate). Macromolecules 1996; 29: 84-90.
10. Mainil-Varlet P, Rahn B, Gogolewski S. Long-term in vivo degradation and bone reaction to various polylactides. 1. One year results. Biomaterials 1997; 18: 257-66.
11. Nielsen LE. Mechanical properties of polymers and composites, Vol. 1. New York: Marcel Dekker, 1974.
12. Li S. Hydrolytic degradation characteristics of aliphatic polyesters derived from lactic and glycolic acids. J Biomed Mater Res 1999; 48: 342-53.
13. Cam D, Hyon SH, Ikada Y. Degradation of high molecular weight poly(L-lactide) in alkaline medium. Biomaterials 1995; 16: 83343.
14. Lu L, Peter SJ, Lyman MD, et al. In vitro degradation of porous poly(L-lactic acid) foams. Biomaterials 2000; 21: 1595-605.
15. Ferreira BMP, Zavaglia CAC, Duek EAR. Thermal, morphologic and mechanical characterization of poly (L-lactic acid)/poly (hydroxybutyrate-co- hydroxyvalerate) blends. Revista Brasileira de Engenharia Biomédica 2003; 19: 21-7.
16. Suming L, Garreau H, Vert M. Structure-property relationships in the case of the degradation of massive poly(a-hydroxy acids) in aqueous media. Part 3. Influence of the morphology of poly(L-lactic acid). J Mater Sci: Mater Med 1990; 1: 198-206.
17. Knowles, JC, Hastings, GW. In vitro degradation of a PHB/PHV copolymer and a new technique for monitoring early surface changes. Biomaterials 1991; 12: 2104.
18. Ferreira BMP, Zavaglia CAC, Duek EAR. Obtencao, caracterizaç ão, estudo "in vitro" e "in vivo" de blendas de Poli(L-ácido láctico)/ Poli(hidroxibutirato-cohidroxivalerato). Faculdade de Engenharia Mecânica, Universidade Estadual de Campinas, Brazil. Doctor Degree. April 2002: 101-7.