Aggregation in living polymer solutions by light and neutron scattering: A study of model ionomers

L.J. Fetters; N.P. Balsara; J.S. Huang; H.S. Jeon; K. Almdal; M.Y. Lin

doi:10.1021/ma00118a031

Aggregation in living polymer solutions by light and neutron scattering: A study of model ionomers

L.J. Fetters, N.P. Balsara, J.S. Huang, H.S. Jeon, K. Almdal, M.Y. Lin

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Abstract

Small angle neutron scattering in combination with dynamic and static light scattering has been used to evaluate the association behavior of the styryl- and dienyllithium head groups in benzene. Both types of lipophobic active centers were found to-aggregate as dimers which in turn can self-assemble to yield large scale structures.

For the dienyllithium systems no evidence for the presence of tetrameric aggregates was found. The assay of the large scale structures revealed them to be prolate ellipsoids. Thus, these model ionomer systems exhibit diblock copolymer and surfactant style behavior in their capacity to generate cylindrical micelles.

Original language	English
Journal	Macromolecules
Volume	28
Issue number	14
Pages (from-to)	4996-5005
ISSN	0024-9297
DOIs	https://doi.org/10.1021/ma00118a031
Publication status	Published - 1995

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title = "Aggregation in living polymer solutions by light and neutron scattering: A study of model ionomers",

abstract = "Small angle neutron scattering in combination with dynamic and static light scattering has been used to evaluate the association behavior of the styryl- and dienyllithium head groups in benzene. Both types of lipophobic active centers were found to-aggregate as dimers which in turn can self-assemble to yield large scale structures.For the dienyllithium systems no evidence for the presence of tetrameric aggregates was found. The assay of the large scale structures revealed them to be prolate ellipsoids. Thus, these model ionomer systems exhibit diblock copolymer and surfactant style behavior in their capacity to generate cylindrical micelles.",

keywords = "Materialer med s{\ae}rlige fysiske og kemiske egenskaber",

author = "L.J. Fetters and N.P. Balsara and J.S. Huang and H.S. Jeon and K. Almdal and M.Y. Lin",

year = "1995",

doi = "10.1021/ma00118a031",

language = "English",

volume = "28",

pages = "4996--5005",

journal = "Macromolecules",

issn = "0024-9297",

publisher = "American Chemical Society",

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T1 - Aggregation in living polymer solutions by light and neutron scattering: A study of model ionomers

AU - Fetters, L.J.

AU - Balsara, N.P.

AU - Huang, J.S.

AU - Jeon, H.S.

AU - Almdal, K.

AU - Lin, M.Y.

PY - 1995

Y1 - 1995

N2 - Small angle neutron scattering in combination with dynamic and static light scattering has been used to evaluate the association behavior of the styryl- and dienyllithium head groups in benzene. Both types of lipophobic active centers were found to-aggregate as dimers which in turn can self-assemble to yield large scale structures.For the dienyllithium systems no evidence for the presence of tetrameric aggregates was found. The assay of the large scale structures revealed them to be prolate ellipsoids. Thus, these model ionomer systems exhibit diblock copolymer and surfactant style behavior in their capacity to generate cylindrical micelles.

AB - Small angle neutron scattering in combination with dynamic and static light scattering has been used to evaluate the association behavior of the styryl- and dienyllithium head groups in benzene. Both types of lipophobic active centers were found to-aggregate as dimers which in turn can self-assemble to yield large scale structures.For the dienyllithium systems no evidence for the presence of tetrameric aggregates was found. The assay of the large scale structures revealed them to be prolate ellipsoids. Thus, these model ionomer systems exhibit diblock copolymer and surfactant style behavior in their capacity to generate cylindrical micelles.

KW - Materialer med særlige fysiske og kemiske egenskaber

U2 - 10.1021/ma00118a031

DO - 10.1021/ma00118a031

M3 - Journal article

SN - 0024-9297

VL - 28

SP - 4996

EP - 5005

JO - Macromolecules

JF - Macromolecules

IS - 14

ER -

Aggregation in living polymer solutions by light and neutron scattering: A study of model ionomers

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