CHAPTER 7 Nanostructure Formation in Block Copolymers Gity Mir Mohamad Sadeghi and Mahsa Sayaf Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, 15875/4413, Tehran, Iran Chapter Outline 7.1 Synthesis of Block Copolymers 197 7.1.1 Block Copolymers by Anionic Polymerization 197 7.1.1.1 Synthesis of AB Diblock Copolymers 199 7.1.1.2 Synthesis of Triblock Copolymers 201 7.1.1.3 Linear Block Copolymers with More Than Three Blocks 205 7.1.2 Block Copolymers by Cationic Polymerization 206 7.1.2.1 Synthesis of AB Diblock Copolymers 207 7.1.2.2 Synthesis of Triblock Copolymers 208 7.1.3 Block Copolymers by Living Free Radical Polymerization 210 7.1.3.1 Synthesis of AB Diblock Copolymers 212 7.1.3.2 Synthesis of ABA Triblock Copolymers 213 7.1.4 Block Copolymers by Group Transfer Polymerization 214 7.1.4.1 Synthesis of AB Diblock Copolymers 214 7.1.4.2 Synthesis of ABA Triblock Copolymers 214 7.1.4.3 Synthesis of ABC Triblock Terpolymers 215 7.1.5 Block Copolymers by Ring-Opening Metathesis Polymerization 216 7.1.5.1 Synthesis of AB Diblock Copolymerization 216 7.1.6 Synthesis of Block Copolymers by Anionic to Cationic Mechanism Transformation 218 7.1.7 Synthesis of Block Copolymers by Anionic to Living Free Radical Mechanism Transformation 218 7.2 Synthesis of Nonlinear Block Copolymers 219 7.2.1 Star Block Copolymers 219 7.2.2 Graft Copolymers 219 7.2.3 Miktoarm Copolymers 221 7.3 Nanostructures Based on Block Copolymer Self-Assembly 222 7.3.1 Phase Behavior of CoilCoil Block Copolymers 223 7.3.1.1 Block Copolymers Containing Crystalline (or Liquid Crystalline) Block Components 225 7.3.1.2 Block Copolymers Containing Rigid-Rod Block Components 226 7.3.1.3 Block Copolymer Micelle [168170] 227 7.3.2 Block Copolymer Templates and Functional Nanomaterials 230 7.3.2.1 Control of Microdomain Orientation and Long-Range Lateral Ordering 230 195 Nanostructured Polymer Blends. DOI: http://dx.doi.org/10.1016/B978-1-4557-3159-6.00007-9 © 2014 Elsevier Inc. All rights reserved.