Tham khảo tài liệu 'branched polymers i episode 1', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Synthesis of Branched Polymers by Cationic Polymerization Bernadette Charleux1 Rudolf Faust2 1 Laboratoire de chimie macromoléculaire Université Pierre et Marie Curie T44 E1 4 Place Jussieu F-75252 Paris cedex 05 France E-mail charleux@ 2 University of Massachusetts Lowell Chemistry Department 1 University Ave. Lowell MA 01854 USA E-mail Rudolf_Faust@ The synthesis of branched polymers by cationic polymerization of vinyl monomers is reviewed. This includes star graft and hyperbranched co polymers. The description is essentially focused on the synthetic approach and characterization results are provided as a proof of the structure. When available specific properties of the materials are also given. Keywords. Cationic polymerization Living cationic polymerization Branched polymers Star polymers Graft polymers Hyperbranched polymers Microgel core Multi functional initiator Multi functional coupling agent Grafting from Grafting onto Macromonomer List of Symbols and Abbreviations. 3 1 Introduction. 4 2 Multi-Arm Star co Polymers. 4 Synthesis Using a Difunctional Monomer as a Linker Cross-Linked Core . 5 An-Type Star Homopolymers. 6 Poly vinyl ethers n. 6 Poly alkoxystyrenes n. 9 Poly isobutylene n . 10 AB n-Type Star Block Copolymers . 13 Poly vinyl ether-b-vinyl ether n . 13 Poly isobutylene-b-styrene n . 14 An-Type Star Polymers with a Functionalized Core Poly vinyl ether n. 15 AnBn-Type Star Copolymers Poly vinyl ether n-Star-Poly vinyl ether n. 15 Synthesis Using a Multifunctional Initiator. 17 An-Type Star Homopolymers . 17 Poly vinyl ethers n . 17 Poly p-methoxystyrene n . 19 Poly styrene n . 20 Poly isobutylene n . 21 AB n-Type Star Block Copolymers . 25 Poly vinyl ether-b-vinyl ether n . 25 Poly isobutylene-b-styrene n . 28 Advances in Polymer Science Springer-Verlag Berlin Heidelberg 1999 2 B. Charleux
