Bridging Properties of Multiblock Copolymers

Abstract

MaterialsLo s A la mos Nati on a l La boratory, an aff irmative action/equal opportunity e mploye r, is opera ted by the U niversit y o f Ca lifo rnia fo r t he U. S . Depa rtme nt o f Energ y u nde r co ntra ct W-7405 -ENG -3 6. By acceptance of this articl e, th e p ublishe r reco gnize s th at the U. S . Gove r nme nt re ta ins a n o nexclusive, royalty -f ree lice nse to pu blis h or rep ro duce the published form of this cont ribution , o r to a ll ow others to do so, for U .S . Gove rnme nt p urpos es. Los A lamo s Na tion al La bo rato ry req u est s that t h e publis he r ide ntify t his article as work performed unde r th e a us pic es of th e U . S. Depa rtme nt o f E ne r g y. Los A lamos N ational Labo ra tory strongl y sup ports a cade mic freedo m an d a researche r's rig ht to p u b lish ; as an institution, however, the Labo rato ry does not endo rse the viewpoint of a publicat i on o r gu ara nte e its t ec h nica l c o rrectness .For m 836 (8/00) ABSTRACTUsing self-consistent field theory, we attempt to elucidate the links between microscopically determined properties, such as the bridging fraction of chains, and mechanical properties of multiblock copolymer materials . We determine morphological aspects such as period and interfacial width and calculate the bridging fractions, and compare with experimental data .