Abstract
The molecular aggregation state in physical gels of syndiotactic polystyrene (SPS) dispersed in various organic solvents was investigated. The SANS intensity profiles measured for the momentum transfer q range of 0.02-2.0 nm -1 were reproduced well by the equation derived by Freltoft, Kjems, and Sinha for describing SANS profiles of fractal objects. The relevant structural parameter such as the correlation length (the upper cutoff length) ξ, the lower cutoff length r 0 , the mass fractal dimension D m , and the surface fractal dimension D s were obtained from the left-squares fitting to the data
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