Abstract
The temperature-concentration diagram of a star-branched macromolecule solution was constructed using scaling concepts. The quality of the solvent, solution concentration, the rigidity of star branches, their number and degree of polymerization were taken into account. The diagram obtained contains three regime types: I x -isolated stars in a dilute solution; II x -a semidilute solution of star branches (subscript characterizes the volume interactions); and III-the close packed system of impermeable (or almost impermeable) stars. Quasiglobular regime III is characterized by the universal dependence of star size on the concentration of the solution c and degree of polymerization N: R ∼ ( N c ) 1 3 independently of the quality of the solvent.
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