Dynamic Light Scattering Study on Solution Properties of Phenolphthalein Polyaryl Ether Sulfones in Good Solvent

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (9): 1416.

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Dynamic Light Scattering Study on Solution Properties of Phenolphthalein Polyaryl Ether Sulfones in Good Solvent

RAO Lei¹, MA Rong-Jiu², LIN De-Hou²

1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun, 130022;
2. Department of Chemistry, Jilin University, Changchun

Received:1993-09-24 Revised:1993-12-18 Online:1994-09-24 Published:1994-09-24

Abstract

Abstract: The solution properties of phenolphthalein polyaryl ether sulfones(PES-C)in good solvent DMFhave been studied by dynamic light scattering.The average decay rate is given by Γ=q²D_t. The results show that diffusion of PES-Cmolecule in the system fits rigid-ball model. We obtained the diffusion coefficient of PES-Cmolecule as a function of the concentration and temperature. The hydrodynamic radii for the particle in the good solvent was calculated by means of Stokes-Einstein equation.The diffusion activation energy has been obtained from Arrehnius function, and it is not associated with concentration.

Key words: Dynamic light scattering, Photon correlation spectroscopy, Phenolphthalein polyaryl ether sulfones, Dilute solution

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RAO Lei, MA Rong-Jiu, LIN De-Hou. Dynamic Light Scattering Study on Solution Properties of Phenolphthalein Polyaryl Ether Sulfones in Good Solvent[J]. Chem. J. Chinese Universities, 1994, 15(9): 1416.

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Dynamic Light Scattering Study on Solution Properties of Phenolphthalein Polyaryl Ether Sulfones in Good Solvent

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