Ordering at two length scales in comb-coil diblock copolymers consisting of only two different monomers

Rikkert J. Nap; Gerrit ten Brinke

doi:10.1021/ma010519v

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arXiv · cond-mat/0103531

Ordering at two length scales in comb-coil diblock copolymers consisting of only two different monomers

Rikkert J. Nap·Gerrit ten Brinke

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Abstract

The microphase separated morphology of a melt of a specific class of comb-coil diblock copolymers, consisting of an AB comb block and a linear homopolymer A block, is analyzed in the weak segregation limit. On increasing the length of the homopolymer A block, the systems go through a characteristic series of structural transitions. Starting from the pure comb copolymer the first series of structures involve the short length scale followed by structures involving the large length scale. A maximum of two critical points exists. Furthermore, in the two parameter space, characterizing the comb-coil diblock copolymer molecules considered, a non-trivial bifurcation point exists beyond which the structure factor can have two maxima (two correlation hole peaks).

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Rikkert J. Nap, Gerrit ten Brinke. 2001-03-26. Ordering at two length scales in comb-coil diblock copolymers consisting of only two different monomers. https://doi.org/10.1021/ma010519v

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