Asymmetric Double Tetragonal Domain Packing from ABC Triblock Terpolymer Blends with Chain Length Difference
説明
A specific phase structure was observed for binary blends of poly(isoprene)-block-poly(styrene)-block-poly(2-vinylpyridine) (ISP) triblock terpolymers with asymmetric chain lengths of two end-blocks. Tetragonal-packed cylinders were obtained from various binary blends on a wide range of volume fractions, although the sizes of I and P cylinders were highly asymmetric. Those structures have never been found for monodisperse ABC triblock terpolymers, and the three specific features have been confirmed: (1) I cylinders were metamorphosed into rod domains, and their interfaces have nonconstant mean curvatures; (2) the cross-sectional area ratio of I/P domain is qualitatively changed with the volume fraction of each component; and (3) spherical and cylindrical domains of P component coexist. The molecular design adopted in the present work, that is, I and P blocks in two parent terpolymers have both fairly large chain length difference, must lead to these new morphologies.
収録刊行物
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- Macromolecules
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Macromolecules 49 (18), 6940-6946, 2016-09-08
ACS Publications
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詳細情報 詳細情報について
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- CRID
- 1050282813782346240
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- NII論文ID
- 120005895218
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- ISSN
- 15205835
- 00249297
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- HANDLE
- 2237/25215
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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