Abstract
The structural parameters of butadiene-styrene diblock copolymer films prepared by deposition from toluene have been studied with the aid of small-angle neutron scattering (SANS) in the temperature range from −190 up to +210°C. The experimental scattering curves were simulated within the limits of the line-gradient model including the Debye-Waller factor, the static character of which was determined from low-temperature measurements. The structural parameters determined by SANS experiments have been compared with the parameters calculated with the help of the formulae obtained by Skoulios, Helfand and Meier. It was also observed that the system could retain information about the conditions of the superstructure formation process.
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