Effects of Solvent Quality and Degree of Polymerization on the Critical Micelle Temperature of Poly(ethylene oxide-b-n-butyl methacrylate) in Ionic Liquids

2014 ◽  
Vol 47 (4) ◽  
pp. 1455-1461 ◽  
Author(s):  
Megan L. Hoarfrost ◽  
Timothy P. Lodge
Keyword(s):  
Ionic Liquids ◽  
Ethylene Oxide ◽  
Degree Of Polymerization ◽  
Butyl Methacrylate ◽  
Solvent Quality ◽  
Poly Ethylene Oxide ◽  
Critical Micelle Temperature ◽  
Poly Ethylene

scholarly journals Association Behavior of Amphiphilic ABA Triblock Copolymer Composed of Poly(2-methoxyethyl acrylate) (A) and Poly(ethylene oxide) (B) in Aqueous Solution

2021 ◽  
Author(s):  
Yoko Mizoue ◽  
Kazutoshi Haraguchi ◽  
Shin-ichi Yusa
Keyword(s):  
Ethylene Oxide ◽  
Fluorescence Probe ◽  
Blood Compatibility ◽  
Degree Of Polymerization ◽  
Light Scattering Intensity ◽  
Association Behavior ◽  
Poly Ethylene Oxide ◽  
Similar Appearance ◽  
Single Flower ◽  
Poly Ethylene

Poly(2-methoxyethyl acrylate) (PMEA) and poly(ethylene oxide) (PEO) have protein-antifouling properties and blood compatibility. ABA triblock copolymers (PMEAn-PEO11340-PMEAn (MEOMn)) were prepared using single-electron transfer-living radical polymerization (SET-LRP) using a bi-functional PEO macroinitiator. Two types of MEOMn composed of PMEA blocks with a degree of polymerization (DP = n) of 85 and 777 were prepared using the same PEO macroinitiator. MEOMn formed flower micelles with a hydrophobic PMEA (A) core and hydrophilic PEO (B) loop shells in diluted water with a similar appearance to petals. The hydrodynamic radii of MEOM85 and MEOM777 were 151 and 108 nm, respectively. The PMEA block with a large DP formed a tightly packed core. The aggregation number (Nagg) of the PMEA block in a single flower micelle for MEOM85 and MEOM777 was 156 and 164, respectively, which were estimated using a light scat-tering technique. The critical micelle concentrations (CMCs) for MEOM85 and MEOM777 were 0.01 and 0.002 g/L, respectively, as determined by the light scattering intensity and fluorescence probe techniques. The size, Nagg, and CMC for MEOM85 and MEOM777 were almost the same inde-pendent of hydrophobic DP of the PMEA block.

Synthesis of polystyrene-poly(tert-butyl methacrylate)-poly(ethylene oxide) triarm star block copolymers

2004 ◽  
Vol 42 (7) ◽  
pp. 1745-1751 ◽  
Author(s):  
Mohamad Nasser-Eddine ◽  
Simone Reutenauer ◽  
Christelle Delaite ◽  
Guy Hurtrez ◽  
Philippe Dumas
Keyword(s):  
Block Copolymers ◽  
Ethylene Oxide ◽  
Butyl Methacrylate ◽  
Tert Butyl ◽  
Poly Ethylene Oxide ◽  
Star Block Copolymers ◽  
Poly Ethylene

scholarly journals Structural effect of glyme–Li+ salt solvate ionic liquids on the conformation of poly(ethylene oxide)

2016 ◽  
Vol 18 (22) ◽  
pp. 14894-14903 ◽  
Author(s):  
Zhengfei Chen ◽  
Samila McDonald ◽  
Paul A. Fitzgerald ◽  
Gregory G. Warr ◽  
Rob Atkin
Keyword(s):  
Ionic Liquids ◽  
Ethylene Oxide ◽  
Structural Effect ◽  
Solvent Structure ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene

Conformation of poly(ethylene oxide) in solvate ionic liquids is affected by the solvent structure.

scholarly journals Shear dependent viscosity of poly(ethylene oxide) in two protic ionic liquids

2014 ◽  
Vol 430 ◽  
pp. 56-60 ◽  
Author(s):  
J.A. Smith ◽  
G.B. Webber ◽  
G.G. Warr ◽  
A. Zimmer ◽  
R. Atkin ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Ethylene Oxide ◽  
Protic Ionic Liquids ◽  
Shear Dependent Viscosity ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene ◽  
Dependent Viscosity
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