Preparation of Reactive Composite Latexes by ‘Living’ Radical Polymerization Using the RAFT Process. A New Class of Polymer Materials

2002 ◽  
Vol 23 (5-6) ◽  
pp. 370-374 ◽  
Author(s):  
Michael J. Monteiro ◽  
Jean de Barbeyrac
Keyword(s):  
Radical Polymerization ◽  
Living Radical Polymerization ◽  
Polymer Materials ◽  
New Class

Essential Factors to Make Excellent Biocompatibility of Phospholipid Polymer Materials

2010 ◽  
Vol 76 ◽  
pp. 1-9 ◽  
Author(s):  
Kazuhiko Ishihara ◽  
Yuuki Inoue
Keyword(s):  
Radical Polymerization ◽  
Blood Compatibility ◽  
Membrane Surface ◽  
Polymer Brush ◽  
Living Radical Polymerization ◽  
Polymer Chains ◽  
Polymer Materials ◽  
Biomaterial Surface ◽  
Phospholipid Polymer ◽  
Living Organisms

Recently, much attention has been attracted to bio/blood compatible materials to suppress undesirable biological reactions that determine the fate of living organisms and materials. A phospholipid polymer composed of 2-methacryloyloxyethyl phosphorylcholine (MPC) unit, which is designed by inspiration of cell membrane surface structure, is the most promising polymer biomaterial with excellent bio/blood compatibility. Progress in living radical polymerization method initiated from the surface enables preparation of a dense polymer chains on the surface, which is called as a polymer brush. The polymer brush structure has narrow molecular weight distribution and controlled chain length. So, it is ideal surface to clarify the interactions between the biomolecules and biomaterial surface that has never done. In these regards, the poly(MPC) brush surfaces are expected to be a novel class of biomaterials, and have been extensively studied its unusual properties. In this review, surface-initiated living radical polymerization of MPC and the characteristics of the poly(MPC) brush surfaces are summarized from a viewpoint of biomaterials science.

scholarly journals Metal-free atom transfer radical polymerization: reaching ppm catalyst loading under sunlight

2020 ◽  
Author(s):  
Qiang Ma ◽  
Jinshuai Song ◽  
Xun Zhang ◽  
Yu Jiang ◽  
Li Ji ◽  
...  
Keyword(s):  
Atom Transfer Radical Polymerization ◽  
Radical Polymerization ◽  
Catalyst Design ◽  
Polymer Materials ◽  
Catalyst Loading ◽  
Atom Transfer ◽  
Controlled Polymerization ◽  
Heteroatom Doping ◽  
Metal Free ◽  
New Class

Abstract Organocatalytic atom transfer radical polymerization (O-ATRP) is recently emerging as an appealing method for the synthesis of metal-free polymer materials with well-defined microstructures and architectures. However, the development of highly effective catalysts that can be employed at a practical low loading are still a challenging task. Herein, we introduce a catalyst design logic based on heteroatom-doping of polycyclic arenes, which led to the discovery of oxygen-doped antratherene (ODA) as a new class of organic photoredox catalysts for O-ATRP. In comparison with known organocatalysts, ODAs feature strong visible-light absorption together with high molar extinction coefficient (ε455nm up to 23950 M–1cm–1), which allow for the establishment of a controlled polymerization under sunlight at low ppm levels of catalyst loading.

scholarly journals One-pot synthesis for gradient copolymers via concurrent tandem living radical polymerization: mild and selective transesterification of methyl acrylate through Al(acac)3 with common alcohols

RSC Advances ◽  
2021 ◽  
Vol 11 (42) ◽  
pp. 26049-26055
Author(s):  
Tam Thi-Thanh Huynh ◽  
Si Eun Kim ◽  
Soon Cheon Kim ◽  
Jin Chul Kim ◽  
Young Il Park ◽  
...  
Keyword(s):  
Radical Polymerization ◽  
Methyl Acrylate ◽  
Living Radical Polymerization ◽  
One Pot ◽  
Gradient Copolymers ◽  
One Pot Synthesis

The acrylate based gradient copolymers were successfully synthesized by concurrent tandem living radical polymerization using Al(acac)3 as cocatalyst with common alcohols.

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