Page 11 - Biodegradable Polyesters

Contents IX

8.3.1 Effect of Solution Viscosity 197
8.3.2 Effect of Blend Ratio 198
8.3.3 Effect of Solvents 200
8.4 Crystalline Structures 202
8.5 Thermal Properties 204
8.6 FTIR Analysis 205
8.7 TCH Drug Release 206
8.8 Fiber Biodegradability 207
8.9 Conclusions 208
References 209

9 Environment-Friendly Methods for Converting Biodegradable
Polyesters into Nano-Sized Materials 215
Stoyko Fakirov
9.1 Tissue Engineering in Medicine and the Polymeric Materials
Needed 215
9.2 MFC Concept and its Potential for Biomedical Applications 219
9.3 Effect of Hydrogen Bonding in Polymer Blends on
Nano-Morphology 223
9.4 Mechanism of Nano-Morphology Formation in Polymer Blends
without and with Hydrogen Bonding 227
9.5 Biomedical Application Opportunities of Nano-Sized
Polymers 229
9.6 Conclusions 231
Acknowledgments 232
References 232

10 Highly Toughened Polylactide-Based Materials through Melt-Blending
Techniques 235
Jérémy Odent, Jean-Marie Raquez, and Philippe Dubois
10.1 Introduction 235
10.1.1 Polylactide as a Bio-based Alternative 235
10.1.2 Polylactide and Its Industrial Production 237
10.1.3 Main Properties of PLA 240
10.2 Polylactide Strengthening and Strategies 242
10.2.1 Impact and Toughening Mechanisms: General Considerations 243
10.2.2 Rubber-Toughened Polylactide 248
10.2.3 Nanoparticle-Mediated Compatibilization Process 257
10.2.4 Interpenetrating Networks and Self-Assembling of PLA-Based
Materials 261
10.3 Crystallization-Induced Toughness and Morphological
Control 263
10.4 Conclusions 268
References 268