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Role of Molecular Architecture in Polymer Diffusion: A PGSE-NMR Study of Linear and Cyclic Poly(ethylene oxide)

✍ Scribed by Griffiths, P. C.; Stilbs, P.; Yu, G. E.; Booth, C.


Book ID
121422896
Publisher
American Chemical Society
Year
1995
Tongue
English
Weight
611 KB
Volume
99
Category
Article
ISSN
0022-3654

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Star polymers with a hydrophobic cholane core and four poly(ethylene glycol) (PEG) arms, CA(EG n ) 4 , have been synthesized by anionic polymerization. Pulsed-gradient spin-echo NMR spectroscopy was used to study the diffusion behavior of the star polymers, ranging from 1000 to 10,000 g/mol, in aque