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生物可降解聚乳酸材料的制备、改性、加工与应用【2025|PDF下载-Epub版本|mobi电子书|kindle百度云盘下载】

任杰著著
出版社：北京：清华大学出版社
ISBN：9787302236016
出版时间：2011
标注页数：302页
文件大小：38MB
文件页数：314页
主题词：高聚物－乳酸－复合材料－无污染技术

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图书目录

1 Introduction1

2 Lactic Acid4

2.1 Introduction4

2.2 Properties4

2.3 Preparation7

2.3.1 Chemical Synthesis7

2.3.2 Fermentation7

2.4 Separation and Purification of LA9

2.4.1 Esterification and Hydrolysis10

2.4.2 Crystallization10

2.4.3 Molecular Distillation11

2.5 Application12

2.5.1 Raw Materials of PLA12

2.5.2 Additives in Foods12

2.5.3 Applications in Cosmetics13

2.5.4 Applications in Detergents13

References14

3 Synthesis and Manufacture of PLA15

3.1 Direct Polycondensation of Lactic acid15

3.2 Azeotropic Dehydrative Polycondensation of LA21

3.3 Polycondensation Kinetics of LA23

3.4 Ring-Opening Polymerization of Lactide23

3.4.1 Cationic Ring-Opening Polymerization of Lactide24

3.4.2 Anionic Ring-Opening Polymerization of Lactide26

3.4.3 Coordination-Insertion Polymerization of Lactide28

3.4.4 Enzymatic Ring-Opening Polymerization of Lactide33

Reterences35

4 Modification of PLA38

4.1 Copolymerization of PLA38

4.1.1 Random and alternating copolymers of PLA39

4.1.2 Block Copolymers of PLA45

4.1.3 Multi-Block Copolymers of PLA52

4.1.4 Graft or Branched Copolymers of PLA54

4.1.5 Star-Shaped Copolymers of PLA56

4.1.6 Dendritic Copolymers of PLA65

4.2 PLA Blending68

4.2.1 PLA/HA69

4.2.2 PLA/PEG72

4.2.3 PLA/PHB78

4.2.4 PLLA/PDLA81

4.2.5 PLLA and PDLLA/PCL85

4.2.6 PLA/PBS91

4.2.7 PLA/PHEE94

4.2.8 PLA/PMMA95

4.2.9 PLA/PVA95

4.2.10 PLA/PBAT97

4.3 Composites99

4.4 Additives100

4.4.1 Additives for PLA100

4.4.2 PLA Crystallization Behavior and Nucleating Agents124

4.5 New Modifiers for PLA129

4.5.1 Core-Shell Impact Modifiers129

4.5.2 Nanocomposites130

References136

5 Processing of PLA142

5.1 Injection142

5.1.1 PLA Injection Molding142

5.1.2 Controlling Crystallinity in Injection Molded PLA146

5.1.3 Mechanical Properties of Injection-Molded Poly(L-Lactic Acid)147

5.1.4 Porous Lamellar Poly(L-Lactic Acid)Scaffolds Made by Conventional Injection Molding Process148

5.1.5 Shear Controlled Orientation in Injection Molding of PLLA150

5.2 Spinning152

5.2.1 Melt Spinning of PLA153

5.2.2 Dry Spinning of PLA161

5.2.3 Wet Spinning of PLA167

5.2.4 Dry-Jet-Wet Spinning of PLA168

5.2.5 Dyeing of PLA Fibers170

5.2.6 Electrospinning of PLA Fibers173

5.3 Blowing179

5.3.1 Properties for Packaging179

5.3.2 Process of Blown Film184

5.3.3 Modification of Blown Film185

5.4 Foaming186

5.4.1 Modification of PLA and Its Foam187

5.4.2 Starch/PLLA Hybrid Foams190

5.4.3 PLA/PBAT Blend Foams195

5.4.4 PLA Nanocomposite Foams201

References204

6 Application in the Field of Commodity and Industry Product208

6.1 Packaging Materials208

6.2 Fiber and Nonwoven209

6.2.1 PLA Fibers209

6.2.2 Application Of PLA Fibers210

6.3 Engineering Plastic220

6.4 Disposable Ware222

6.4.1 What Is the Difference Between Biodegradable and Compostable?223

6.4.2 About PLA for Disposable Use224

6.4.3 Commercial PLA Disposable Ware226

6.5 Biodegradable Hot Melt Adhesive Based on PLA and Other Biodegradable Polymer229

6.5.1 Biodegradable PLA and/or PCL Based Biodegradable HMAs229

6.5.2 PHBV and PEA Based on Biodegradable HMAs231

6.5.3 Natural Polymer Based on Biodegradable HMAs233

Reference236

7 Application in the Field of Biomedical Materials240

7.1 Tissue Engineering Scaffold240

7.1.1 Design Principles of Tisssue Engineering Scaffold240

7.1.2 PLA Materials and Modification for Tissue Eningeering Scaffold Application241

7.1.3 Surface Hydrophilicity Modifications244

7.1.4 Biomimetic ECM Modification245

7.1.5 PLA/Apatite Composite248

7.1.6 Preparation of Tissue Engineering Scaffolds250

7.1.7 Thermally Induced Phase Separation251

7.1.8 Solvent Casting/Particulate Leaching251

7.1.9 Gas Foaming252

7.2 Controllable Drug Delivery Based on PLA253

7.2.1 Introduction to Drug Delivery Based on PLA253

7.2.2 Science of Controllable Drug Delivery254

7.3 Other Biomedical Appliances260

7.3.1 PLA Used For Surgical Sutures260

7.3.2 Ideal Filler for Soft Tissue Augmentation261

7.3.3 Mesh Insertion for Groin Hemia Repair264

Reference267

8 Standard and Test Methods273

8.1 Biodegradation of PLA274

8.1.1 Definifion of Biodegradation274

8.1.2 Factors Affecting the Biodegradation Behaviour of PLA274

8.1.3 Abiotic Degradation275

8.1.4 Biotic Degradation280

8.2 Biodegradation Standards and Certification Systems283

8.2.1 Biodegradation Standards283

8.2.2 Different Certitication Systems289

8.3 Introduction to Some Test Methods291

8.3.1 Visual Observation291

8.3.2 Gravimetry292

8.3.3 Enzyme Assays292

8.3.4 Plate Tests292

8.3.5 Respiration Tests292

8.3.6 Controlled Composting Test294

Reference295

Index297