Abstract
The local conformational structure and size of a long comb-like macromolecule in dilute solution have been investigated by the scaling method. It is shown that in a wide interval of quality of the solvent the local structure of the chain is characterized by stretching both of the spine and the side branches through the repulsion of their units and the size of the chain as a whole turns out to be proportional to N 3 5 . The repulsion of the units increases the rigidity of the chain on the scale of the order of the dimensions of the side branches. The theoretical relations obtained well agree with the data on the computer experiment for comb-like macromolecules in a θ-solvent.
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