Novel associative nanoparticles grafted with hydrophobically modified zwitterionic polymer brushes for the rheological control of aqueous polymer gel fluids

2016 ◽  
Vol 7 (20) ◽  
pp. 3471-3476 ◽  
Author(s):  
Taeseung Yang ◽  
Sang Koo Choi ◽  
Yea Ram Lee ◽  
Yoonki Cho ◽  
Jin Woong Kim
Keyword(s):  
Silica Nanoparticles ◽  
Radical Polymerization ◽  
Polymer Brushes ◽  
Living Radical Polymerization ◽  
Polymer Gel ◽  
Aqueous Polymer ◽  
Hydrophobically Modified ◽  
Stearyl Methacrylate ◽  
Zwitterionic Polymer

Novel associative nanoparticles (ANPs) are synthesized by grafting poly(2-methacryloyloxyethyl phosphorylcholine-co-stearyl methacrylate) polymer brushes on silica nanoparticles by using surface-mediated living radical polymerization.

scholarly journals Surface-initiated Cu(0) mediated controlled radical polymerization (SI-CuCRP) using a copper plate

2015 ◽  
Vol 6 (14) ◽  
pp. 2726-2733 ◽  
Author(s):  
Tao Zhang ◽  
Yunhao Du ◽  
Felix Müller ◽  
Ihsan Amin ◽  
Rainer Jordan
Keyword(s):  
Radical Polymerization ◽  
Polymer Brushes ◽  
Copper Plate ◽  
Living Radical Polymerization ◽  
Controlled Radical Polymerization ◽  
Controlled Living Radical Polymerization

We report on a new, extremely fast, very simple and versatile method to produce polymer brushes by surface-initiated controlled/living radical polymerization.

scholarly journals Living Radical Polymerization by the RAFT Process

2005 ◽  
Vol 58 (6) ◽  
pp. 379 ◽  
Author(s):  
Graeme Moad ◽  
Ezio Rizzardo ◽  
San H. Thang
Keyword(s):  
Radical Polymerization ◽  
Polymer Brushes ◽  
Chain Transfer ◽  
Raft Polymerization ◽  
Star Polymers ◽  
Living Radical Polymerization ◽  
Factors Influencing ◽  
Reversible Addition ◽  
Complex Architectures

This paper presents a review of living radical polymerization achieved with thiocarbonylthio compounds [ZC(=S)SR] by a mechanism of reversible addition–fragmentation chain transfer (RAFT). Since we first introduced the technique in 1998, the number of papers and patents on the RAFT process has increased exponentially as the technique has proved to be one of the most versatile for the provision of polymers of well defined architecture. The factors influencing the effectiveness of RAFT agents and outcome of RAFT polymerization are detailed. With this insight, guidelines are presented on how to conduct RAFT and choose RAFT agents to achieve particular structures. A survey is provided of the current scope and applications of the RAFT process in the synthesis of well defined homo-, gradient, diblock, triblock, and star polymers, as well as more complex architectures including microgels and polymer brushes.

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