A scattering function of star polymers including excluded volume effects

Xin Li; Changwoo Do; Yun Liu; Luis Sánchez-Diáz; Gregory Smith; Wei Ren Chen

doi:10.1107/S1600576714022249

A scattering function of star polymers including excluded volume effects

Xin Li, Changwoo Do, Yun Liu, Luis Sánchez-Diáz, Gregory Smith, Wei Ren Chen

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3 Scopus citations

Abstract

This work presents a new model for the form factor of a star polymer consisting of self-avoiding branches. This new model incorporates excluded volume effects and is derived from the two-point correlation function for a star polymer. This model is compared with small-angle neutron scattering measurements from polystyrene stars immersed in a good solvent, tetrahydrofuran. It is shown that this model provides a good description of the scattering signature originating from the excluded volume effect, and it explicitly elucidates the connection between the global conformation of a star polymer and the local stiffness of its constituent branch.

Original language	English
Pages (from-to)	1901-1905
Number of pages	5
Journal	Journal of Applied Crystallography
Volume	47
Issue number	6
DOIs	https://doi.org/10.1107/S1600576714022249
State	Published - Dec 1 2014

Keywords

excluded volume effects
scattering functions
star polymers

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10.1107/S1600576714022249

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title = "A scattering function of star polymers including excluded volume effects",

abstract = "This work presents a new model for the form factor of a star polymer consisting of self-avoiding branches. This new model incorporates excluded volume effects and is derived from the two-point correlation function for a star polymer. This model is compared with small-angle neutron scattering measurements from polystyrene stars immersed in a good solvent, tetrahydrofuran. It is shown that this model provides a good description of the scattering signature originating from the excluded volume effect, and it explicitly elucidates the connection between the global conformation of a star polymer and the local stiffness of its constituent branch.",

keywords = "excluded volume effects, scattering functions, star polymers",

author = "Xin Li and Changwoo Do and Yun Liu and Luis S{\'a}nchez-Di{\'a}z and Gregory Smith and Chen, \{Wei Ren\}",

note = "Publisher Copyright: {\textcopyright} 2014 International Union of Crystallography.",

year = "2014",

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doi = "10.1107/S1600576714022249",

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T1 - A scattering function of star polymers including excluded volume effects

AU - Li, Xin

AU - Do, Changwoo

AU - Liu, Yun

AU - Sánchez-Diáz, Luis

AU - Smith, Gregory

AU - Chen, Wei Ren

PY - 2014/12/1

Y1 - 2014/12/1

N2 - This work presents a new model for the form factor of a star polymer consisting of self-avoiding branches. This new model incorporates excluded volume effects and is derived from the two-point correlation function for a star polymer. This model is compared with small-angle neutron scattering measurements from polystyrene stars immersed in a good solvent, tetrahydrofuran. It is shown that this model provides a good description of the scattering signature originating from the excluded volume effect, and it explicitly elucidates the connection between the global conformation of a star polymer and the local stiffness of its constituent branch.

AB - This work presents a new model for the form factor of a star polymer consisting of self-avoiding branches. This new model incorporates excluded volume effects and is derived from the two-point correlation function for a star polymer. This model is compared with small-angle neutron scattering measurements from polystyrene stars immersed in a good solvent, tetrahydrofuran. It is shown that this model provides a good description of the scattering signature originating from the excluded volume effect, and it explicitly elucidates the connection between the global conformation of a star polymer and the local stiffness of its constituent branch.

KW - excluded volume effects

KW - scattering functions

KW - star polymers

UR - https://www.scopus.com/pages/publications/84913583757

U2 - 10.1107/S1600576714022249

DO - 10.1107/S1600576714022249

M3 - Article

AN - SCOPUS:84913583757

SN - 0021-8898

VL - 47

SP - 1901

EP - 1905

JO - Journal of Applied Crystallography

JF - Journal of Applied Crystallography

IS - 6

ER -

A scattering function of star polymers including excluded volume effects

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Keywords

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