Composition fluctuations in homopolymer blends and diblock copolymers

H. Frielinghaus; K. Mortensen; K. Almdal

doi:10.1016/S0921-4526(99)01577-X

Composition fluctuations in homopolymer blends and diblock copolymers

H. Frielinghaus, K. Mortensen, K. Almdal

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The thermal composition fluctuations of a deuterogenous polystyrene/polyethyleneoxide (dPS/PEO) homopolymer blend and corresponding diblock copolymer have been investigated by small angle neutron scattering (SANS). The measured susceptibilities could be described by theories, which take strong fluctuations into account. The yielded Ginzburg number is a measure of the deviation from mean field behaviour, and thus can be used to determine the mean field Flory-Huggins interaction parameter from phase boundary measurements. (C) 2000 Elsevier Science B.V. All rights reserved.

Original language	English
Journal	Physica B: Condensed Matter
Volume	276-278
Pages (from-to)	375-376
ISSN	0921-4526
DOIs	https://doi.org/10.1016/S0921-4526(99)01577-X
Publication status	Published - 2000

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abstract = "The thermal composition fluctuations of a deuterogenous polystyrene/polyethyleneoxide (dPS/PEO) homopolymer blend and corresponding diblock copolymer have been investigated by small angle neutron scattering (SANS). The measured susceptibilities could be described by theories, which take strong fluctuations into account. The yielded Ginzburg number is a measure of the deviation from mean field behaviour, and thus can be used to determine the mean field Flory-Huggins interaction parameter from phase boundary measurements. (C) 2000 Elsevier Science B.V. All rights reserved. ",

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AU - Frielinghaus, H.

AU - Mortensen, K.

AU - Almdal, K.

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N2 - The thermal composition fluctuations of a deuterogenous polystyrene/polyethyleneoxide (dPS/PEO) homopolymer blend and corresponding diblock copolymer have been investigated by small angle neutron scattering (SANS). The measured susceptibilities could be described by theories, which take strong fluctuations into account. The yielded Ginzburg number is a measure of the deviation from mean field behaviour, and thus can be used to determine the mean field Flory-Huggins interaction parameter from phase boundary measurements. (C) 2000 Elsevier Science B.V. All rights reserved.

AB - The thermal composition fluctuations of a deuterogenous polystyrene/polyethyleneoxide (dPS/PEO) homopolymer blend and corresponding diblock copolymer have been investigated by small angle neutron scattering (SANS). The measured susceptibilities could be described by theories, which take strong fluctuations into account. The yielded Ginzburg number is a measure of the deviation from mean field behaviour, and thus can be used to determine the mean field Flory-Huggins interaction parameter from phase boundary measurements. (C) 2000 Elsevier Science B.V. All rights reserved.

KW - Nye funktionelle materialer

U2 - 10.1016/S0921-4526(99)01577-X

DO - 10.1016/S0921-4526(99)01577-X

M3 - Journal article

SN - 0921-4526

VL - 276-278

SP - 375

EP - 376

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

ER -

Composition fluctuations in homopolymer blends and diblock copolymers

Abstract

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