Structure of shear-induced perforated layer phase in styrene-isoprene diblock copolymer melts

Jong Hyun Ahn; Wang Cheol Zin

doi:10.1021/ma9912812

Structure of shear-induced perforated layer phase in styrene-isoprene diblock copolymer melts

Jong Hyun Ahn, Wang Cheol Zin

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

62 Citations (Scopus)

Abstract

The shear-induced hexagonally-perforated layer (HPL) structure of polystyrene-polyisoprene diblock copolymer melts was investigated by synchrotron small angle X-ray scattering. Results showed that the HPL structure was metastable and the oriented HPL transforms into the G phase with six-spot patterns. Scattering experiment indicated that the perforations were stacked in the ABCABC... patterns.

Original language	English
Pages (from-to)	641-644
Number of pages	4
Journal	Macromolecules
Volume	33
Issue number	2
DOIs	https://doi.org/10.1021/ma9912812
Publication status	Published - 2000

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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abstract = "The shear-induced hexagonally-perforated layer (HPL) structure of polystyrene-polyisoprene diblock copolymer melts was investigated by synchrotron small angle X-ray scattering. Results showed that the HPL structure was metastable and the oriented HPL transforms into the G phase with six-spot patterns. Scattering experiment indicated that the perforations were stacked in the ABCABC... patterns.",

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