PEE–PEO Block Copolymer Exchange Rate between Mixed Micelles Is Detergent and Temperature Activated

2017 ◽  
Vol 50 (6) ◽  
pp. 2484-2494 ◽  
Author(s):  
Allen B. Schantz ◽  
Patrick O. Saboe ◽  
Ian T. Sines ◽  
Hee-Young Lee ◽  
Kyle J. M. Bishop ◽  
...  
Keyword(s):  
Exchange Rate ◽  
Block Copolymer ◽  
Mixed Micelles

Rheological Study of the Shape Transition of Block Copolymer−Nonionic Surfactant Mixed Micelles

Langmuir ◽  
2007 ◽  
Vol 23 (22) ◽  
pp. 11000-11006 ◽  
Author(s):  
David Löf ◽  
Karin Schillén ◽  
Miguel F. Torres ◽  
Alejandro J. Müller
Keyword(s):  
Block Copolymer ◽  
Nonionic Surfactant ◽  
Mixed Micelles ◽  
Shape Transition ◽  
Rheological Study

Redistribution of Block Copolymer Chains between Mixed Micelles in Solution

1998 ◽  
Vol 31 (15) ◽  
pp. 4873-4878 ◽  
Author(s):  
F. J. Esselink ◽  
E. E. Dormidontova ◽  
G. Hadziioannou
Keyword(s):  
Block Copolymer ◽  
Mixed Micelles

scholarly journals Morphological transition of amphiphilic block copolymer/PEGylated phospholipid complexes induced by the dynamic subtle balance interactions in the self-assembled aggregates

e-Polymers ◽  
2020 ◽  
Vol 20 (1) ◽  
pp. 242-253
Author(s):  
Susu Tao ◽  
Yanyan Chu ◽  
Zihao Wang ◽  
Xiaoyan Xu ◽  
Qinggang Tan
Keyword(s):  
Polyethylene Glycol ◽  
Block Copolymer ◽  
Mixed Micelles ◽  
Morphological Structure ◽  
Repulsive Force ◽  
Morphological Transition ◽  
Poly Ethylene Glycol ◽  
Poly Ethylene ◽  
The Stability ◽  
Methoxy Polyethylene Glycol

AbstractRecently, there has been an increasing interest in the control of morphological transition of block copolymer aggregates. Here, we report how to control the morphological transition of methoxy polyethylene glycol–poly(d,l-lactic acid) (PDLLA–MPEG) by adding 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)] (DSPE–PEG). In the aggregates formed by dialyzing DSPE–PEG/PDLLA–MPEG mixed solutions against water, the two hydrophobic fatty acid tails of DSPE–PEG will preferentially anchor to the hydrophobic segment end of PDLLA–MPEG by interdigitating between these two tails and PDLLA segments. Consequently, DSPE–PEG and PDLLA–MPEG will form “ABA” temporary supra-amphiphiles in which A represents a poly(ethylene glycol) (PEG) chain segment and B is a mixed hydrophobic segment composed of PDLLA and DSPE segments; the repulsive force derived from the PEG segments of DSPE–PEG can affect the stability of “ABA” temporary supra-amphiphiles. Our results show that the dynamic subtle balance between the number of “ABA” temporary supra-amphiphiles formed and the strength of repulsive force between the PEG segments of DSPE–PEG drives the morphological structure of DSPE–PEG/PDLLA–MPEG aggregates to change from micelles to vesicles, then to semi-vesicles and finally to mixed micelles, with increasing DSPE–PEG additions.

MACROSCOPIC " SINGLE CRYSTALS " OF AN S-B-S THREE BLOCK COPOLYMER

1971 ◽  
Vol 32 (C5) ◽  
pp. C5a-295-C5a-300
Author(s):  
A. KELLER ◽  
J. DLUGOSZ ◽  
M. J. FOLKES ◽  
E. PEDEMONTE ◽  
F. P. SCALISI ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Single Crystals
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