Diffusion of weakly confined star and linear polymers and strongly confined linear polymers in a porous material
β Scribed by Easwar, Nalini; Langley, Kenneth H.; Karasz, F. E.
- Book ID
- 118210942
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 1018 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0024-9297
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## Abstract A simple cubic lattice model of the melt of 3βarm starβbranched polymers of various length dissolved in a matrix of long linear chains (__n__~1~ = 800 beads) is studied using a dynamic Monte Carlo method. The total polymer volume fraction is equal to 0,5, while the volume fraction of th
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