writer：M. Zhang, S.M. June, T.E. Long, J. Kong
keywords：Block copolymers; Click chemistry; Copolymers; Dendrimers; Hyperbranching; Ionenes; Michael addition; Polyamides; Polycondensation; Polyesters; Polyimides; Polyureas; Polyurethanes; Segmented copolymers; Step-growth polymerization; Sustainable
source：其他
specific source：Reference Module in Materials Science and Materials Engineering (2015) 1-51. doi:10.1016/B978-0-12-8
Issue time：2015年

http://www.sciencedirect.com/science/article/pii/B9780128035818014107

5.02 Principles of Step-Growth Polymerization (Polycondensation and Polyaddition)

M Zhang, SM June,TE Long, and J Kong

Virginia Tech, Blacksburg, VA, USA and Northwestern Polytechnical University, Xi''an,
P.R. China

5.02.1 Introduction and Historical Perspective 1
5.02.2 Structure–Property Relationships in Step-Growth Polymers 2
5.02.2.1 Synthetic Principles 2
5.02.2.2 Molecular Weight Control 3
5.02.2.3 Aliphatic versus Aromatic Polymers 6
5.02.2.4 Influences of Intermolecular Interactions 7
5.02.2.5 Polymer Architecture 7
5.02.2.5.1 Linear homopolymers 8
5.02.2.5.2 Block copolymers 9
5.02.2.5.3 Graft copolymers 10
5.02.2.5.4 Dendrimers 10
5.02.2.5.5 Branching and hyperbranching 12
5.02.2.5.6 Cyclic polymers 14
5.02.2.5.7 Intramolecular cyclization 15
5.02.3 Synthesis of Step-Growth Polymers 17
5.02.3.1 Polycondensation Polymers 17
5.02.3.1.1 Polyesters 17
5.02.3.1.2 Polyamides 21
5.02.3.1.3 Polyimides 22
5.02.3.1.4 Poly(aryleneethers) 25
5.02.3.2 Polyaddition 28
5.02.3.2.1 Polyurethanes 28
5.02.3.2.2 Epoxyresins 32
5.02.4 Future Direction for tep-Growth Polymers 33
5.02.4.1 New trategies for Step-Growth Polymers 34
5.02.4.1.1 Click chemistry 34
5.02.4.1.2 Ionene synthesis 36
5.02.4.1.3 Michael addition 37
5.02.4.1.4 Diels-Alder polymerizations 39
5.02.4.1.5 Cyclotrimerization reaction 40
5.02.4.1.6 Polybenzimidazoles 43
5.02.4.1.7 Polyesters for current and emerging technologies 43
5.02.4.2 New Synthetic Approaches 45
5.02.4.2.1 Nonaqueous emulsion polymerization 45
5.02.4.2.2 Lipase-catalyzed polymerization 46
5.02.5 Concluding Remarks 47
References