Citation: HU Guixian, SONG Mingshi. STUDY ON THE CONCENTRATION EFFECTS IN GPC IV A NEW METHOD FOR DETERMINATION OF SECOND VIRIAL COEFFICIENTS FROM THE CONCENTRATION EFFECTS[J]. Chinese Journal of Polymer Science, ;1991, 9(2): 151-159. shu

STUDY ON THE CONCENTRATION EFFECTS IN GPC IV A NEW METHOD FOR DETERMINATION OF SECOND VIRIAL COEFFICIENTS FROM THE CONCENTRATION EFFECTS

HU Guixian ,
SONG Mingshi

Received Date: 5 April 1990

In this paper a new relation between the second virial coefficients A2, (?)w and (dVes/dC)c→0=Ks was derived from proposed model theory of concentration effects in GPC for mono-and poly-dispersed polymers. Based on this relation a new method for determination of second vifial coefficients from the combination of (dVes/dC)c→0=K3, (?)w and KH measurements was proposed.The values of A2 for mono-and poly-dispersed polystyrenes with molecular weight range from 104 to 106 in good and theta solvents were determined by proposed method.Results show that their values of A2 are in agreement with those obtained by light scattering.
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