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Elementary approach to self-assembly in random copolymers

Published online by Cambridge University Press:  21 March 2011

Shirish M. Chitanvis
Shirish M. Chitanvis*
Affiliation:
Theoretical Division, Los Alamos Naitonal Laboratory Los Alamos, New Mexico 87245 (March 5, 2001)
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We have mapped the physics of a system of random copolymers onto a time-dependent density functional-type field theory using techniques of functional integration. Time in the theory is merely a label for the location of a given monomer along the extent of a flexible chain. We derive heuristically within this approach a non-local constraint which prevents segments on chains in the system from straying too far from each other, and leads to self-assembly. The structure factor is then computed in a straightforward fashion. The dependence of various calculated quantities on the average chain length are compared with experiments. The profile and size of spherulitic mesoscale domains is also computed.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 661: Symposium KK – Filled & Nanocomposite Polymer Materials , 2000, KK4.8
Copyright
Copyright © Materials Research Society 2001

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