A Polystyrene Model of Polystyrene Tacticity
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Nov 21, 2021
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5) Polymer dimensions (5 marks): Estimate the size (radius of gyration of a coil or radius of a globule) of a polystyrene chain with a molecular weight of 208,000 g/mol at different conditions: (i) precipitated from a non-solvent in the form of compact spherical globules, (ii) dissolved in a theta-solvent, such that it can be considered as an ideal Gaussian chain. Take the monomer length of PS equal to 0.252 nm and molecular weight 104 g/mol. The density of bulk PS near room temperature
5) Polymer dimensions (5 marks): Estimate the size (radius of gyrati…
Sep 26, 2021
numerade.com
Sketch portions of a linear polystyrene molecule that are (a) syndiotactic, (b) atactic, and (c) isotactic. Use two-dimensional schematics per footnote 8 of this chapter. | Numerade
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