Hyperbranched Polymers

Deyue Yan, PhD, is a professor at the School of Chemistry and Chemical Engineering of Shanghai Jiao Tong University, P.R. China, and a member of the Chinese Academy of Sciences. Dr. Yan has served on the editorial board of Macromolecular Theory and Simulations and is currently on the editorial board of the Chinese Journal of Polymer Science. Chao Gao, PhD, is Professor in the Department of Polymer Science and Engineering at Zhejiang University, P.R. China. Dr. Gao also serves on the editorial advisory boards of the Open Macromolecules Journal and the Open Process Chemistry Journal.Holger Frey, PhD, is Full Professor of Organic and Macromolecular Chemistry at the Institute of Organic Chemistry at Johnannes Gutenberg University Mainz, Germany. Dr. Frey has served on the editorial advisory boards of several polymer journals.

"This volume should definitely be on the desk of anyone who has been, is currently, or is contemplating working in the field of branched polymers." (Journal of the American Chemical Society, 25 August 2011)

• Preface xiii Contributors xv1. Promising Dendritic Materials: An Introduction to Hyperbranched Polymers 11.1 Importance of Branching 11.2 Polymer Architecture 11.3 Dendritic Polymers 31.4 Hyperbranched Polymers 51.5 Conclusions 211.6 References 222. Polycondensation of ABx Monomers 272.1 Introduction 272.2 Statistical Consideration 272.3 Polymerization of ABx -Type Monomers 302.4 References 743. Synthesis of Hyperbranched Polymers via Polymerization of Functionally Symmetric Monomer Pairs 793.1 Introduction 793.2 Theoretical Treatment of A2 + B3 Polymerization 813.3 Polymerization of Symmetrical Monomer Pairs 843.4 Conclusions 1043.5 References 1054. Synthesis of Hyperbranched Polymers via Polymerization of Asymmetric Monomer Pairs 1074.1 Introduction 1074.2 General Description of Polymerization of Asymmetric Monomer Pairs 1084.3 Hyperbranched Polymers Prepared by Polymerization of Asymmetric Monomer Pairs 1104.4 Conclusions 1334.5 References 1365. Self-Condensing Vinyl Polymerization 1395.1 Introduction 1395.2 Self-Condensing Vinyl Polymerization 1405.3 Self-Condensing Vinyl Copolymerization (SCVCP) 1505.4 Self-Condensing Processes in Presence of Initiators 1625.5 SCVP of Macroinimers 1675.6 Surface-Grafted Hyperbranched Polymers 1695.7 References 1726. Ring-Opening Multibranching Polymerization 1756.1 Introduction 1756.2 Classification of Ring-Opening Multibranching Polymerizations 1786.3 Core-Containing Hyperbranched Polymers By Ring-Opening Multibranching Polymerization 1956.4 Conclusion and Perspectives 1986.5 References 2007. Hyperbranched Copolymers Synthesized by Cocondensation and Radical Copolymerization 2037.1 Introduction 2037.2 Cocondensation of ABn and a Comonomer 2047.3 Cocondensation of A2 + B2 + BB2 (or B B2) 2147.4 SCVCP Via Charge-Transfer Complex Inimer 2157.5 Free Radical Copolymerization of Multifunctional Vinyl Monomers 2187.6 Conclusion 2217.7 References 2238. Convergent Synthesis of Hyperbranched Polymers and Related Approaches 2278.1 Introduction 2278.2 Convergent Control in Hyperbranched Synthesis 2288.3 Results 2318.4 Conclusions 2478.5 References 2479. Hyperbranched and Dendritic Polyolefins Prepared by Transition Metal Catalyzed Polymerization 2519.1 Introduction 2519.2 Results and Discussion 2539.3 Summary and Perspective 2669.4 References 26910. Hyperbranched π-Conjugated Polymers 27310.1 Introduction 27310.2 Scope 27410.3 Hyperbranched Poly(Arylene)s 27410.4 Hyperbranched Poly(Arylenevinylenes) 28210.5 Hyperbranched Poly(Aryleneethynylenes) 28910.6 Conclusion 29510.7 References 29711. Degree of Branching (DB) 30111.1 Definition of the Degree of Branching (DB) 30111.2 Determination of DB 30511.3 The Value Range of DB 308A11.4 Appendix 31111.5 References 31412. Influence of Branching Architecture on Polymer Properties 31712.1 Introduction 31712.2 Influence of Branching Architecture on Polymer Properties 31812.3 Conclusions 32912.4 References 32913. Kinetic Theory of Hyperbranched Polymerization 33313.1 Introduction 33313.2 AB2-Type Polycondensation 33513.3 Copolycondensation of AB2- and AB-Type Monomers 35113.4 Self-Condensing Vinyl Polymerization 35413.5 References 36614. Grafting and Surface Properties of Hyperbranched Polymers 36914.1 Introduction 36914.2 Surface Grafting 37014.3 Surface Properties of Hyperbranched Polymers 38014.4 Conclusions 38214.5 References 38315. Biological and Medical Applications of Hyperbranched Polymers 38715.1 Introduction 38715.2 Gene Delivery 38815.3 Drug Delivery 39715.4 Biomaterials 40115.5 Biointeraction 40715.6 Conclusions 41015.7 References 41116. Applications of Hyperbranched Polymers in Coatings, as Additives, and in Nanotechnology 41516.1 Introduction 41516.2 Hyperbranched Polymers in Coating and Resin Applications 41616.3 Hyperbranched Polymers as Additives 42316.4 Applications of Hyperbranched Polymers in Nanotechnology 42616.5 Applications in Thin Films and Sensorics 43116.6 References 43417. Conclusions and Perspective: Toward Hyperbranched/Dendritic States 44117.1 Achievements and Problems 44117.2 Role of Hyperbranched Polymers in the Twenty-First Century 44917.3 Hyperbranched/Dendritic State 45117.4 References 452Index 453