Abstract
The viscometric behaviour of poly(4-tert-butylphenyl methacrylate) in the solvent mixture tetrahydrofuran/chloroform has been investigated. There is qualitative agreement between variations in [η] and predictions from the Dondos and Patterson theory. The role of the preferential adsorption of one of the solvents on the polymer was considered. The experimental adsorption coefficients λ∗ are discussed in this particular mixture where GE < 0. In this binary solvent rthe kθ values of the polymer are similar in the three different mixed solvent compositions studied.
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