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- Yuliya G Smirnova, Gerrit ten Brinke, Igor Ya Erukhimovich
- The Journal of chemical physics
- 2006

The phase behavior of AfmN(BN2AN2)B(1-fmN) multiblock copolymer melts is studied within the weak segregation theory. The interplay between ordering on different length scales is shown to cause dramatic changes both in the ordered phase symmetry and periodicity upon small variation of the architectural parameters of the macromolecules. Phase diagrams are… (More)

- Yury A Kriksin, Igor Ya Erukhimovich, Pavel G Khalatur, Yuliya G Smirnova, Gerrit ten Brinke
- The Journal of chemical physics
- 2008

The order-disorder and order-order transitions (ODT and OOT) in the linear multiblock copolymers with two-length scale architecture A(fmN)(B(N2)A(N2))(n)B((1-f)mN) are studied under intermediate cooling below the ODT critical point where a nonconventional sequence of the OOTs was predicted previously [Smirnova et al., J. Chem. Phys. 124, 054907 (2006)]… (More)

- I Y Erukhimovich
- The European physical journal. E, Soft matter
- 2005

The statistical theory of microphase separation in the ternary ABC triblock copolymers is presented and the corresponding phase diagrams are built both for the linear and miktoarm copolymers. For this purpose the Leibler weak segregation theory in molten diblock copolymers is generalized to multi-component monodisperse block copolymers with due regard for… (More)

- I Y Erukhimovich, A Johner, J F Joanny
- The European physical journal. E, Soft matter
- 2008

We present a new ab initio approach to describe the statistical behavior of long ideal polymer chains near a plane hard wall. Forbidding the solid half-space to the polymer explicitly (by the use of Mayer functions) without any other requirement, we derive and solve an exact integral equation for the partition function G (D)(r,r', N) of the ideal chain… (More)

- M V Belousov, M V Tamm, I Ya Erukhimovich
- The Journal of chemical physics
- 2008

Within the Flory approach we study the phase diagrams of two-component fluids, the molecules of each component A(f(A)), B(f(B)) bearing f(A) (f(B)) functional groups capable of forming thermoreversible A-A and B-B bonds. We develop a general procedure to classify these diagrams depending on the values of four governing parameters -- entropies and normalized… (More)

- Yury A Kriksin, Igor Ya Erukhimovich, Yuliya G Smirnova, Pavel G Khalatur, Gerrit Ten Brinke
- The Journal of chemical physics
- 2009

Using the self-consistent-field theory numerical procedure we find that the period D of the lamellar-in-lamellar morphology formed in symmetric multiblock copolymer melts A(mN/2)(B(N/2)A(N/2))(n)B(mN/2) at intermediate segregations changes nonmonotonically with an increase in the relative tail length m. Therewith D reveals, as a function of the Flory… (More)

- V Markov, Y Kriksin, I Erukhimovich, G ten Brinke
- The Journal of chemical physics
- 2013

Ordered planar morphologies in A-b-(B-b-A)2-b-C and (B-b-A)2-b-C terpolymer melts are studied within the framework of the self-consistent field theory for volume fractions of components A, B, and C in the ratio 1:1:2 and the Flory-Huggins interaction parameters satisfying χ(AB) = 2χ(AC). The stable phases turn out to be the disordered, hexagonal, parallel… (More)

- M V Tamm, S K Nechaev, I Ya Erukhimovich
- The European physical journal. E, Soft matter
- 2005

We investigate the statistical properties of a randomly branched 3-functional N-link polymer chain without excluded volume, whose one point is fixed at the distance d from the impenetrable surface in a 3-dimensional space. Exactly solving the Dyson-type equation for the partition function Z(N, d )=N(-theta)e(gamma N) in 3D, we find the "surface" critical… (More)

- Igor Erukhimovich, Panagiotis E Theodorakis, Wolfgang Paul, Kurt Binder
- The Journal of chemical physics
- 2011

When two types of side chains (A,B) are densely grafted to a (stiff) backbone and the resulting bottlebrush polymer is in a solution under poor solvent conditions, an incompatibility between A and B leads to microphase separation in the resulting cylindrical brush. The possible types of ordering are reminiscent of the ordering of block copolymers in… (More)

- I Erukhimovich, A Johner, J F Joanny
- The European physical journal. E, Soft matter
- 2010

We reconsider the depletion interaction of an ideal polymer chain, characterized by the gyration radius R(G) and bond length a , and an impenetrable spherical colloid particle of radius R . Forbidding the polymer-colloid penetration explicitly (by the use of Mayer functions) without any other requirement we derive and solve analytically an integral equation… (More)