Synthesis of block copoly(polyethylene glycol-styrene) by the macromonomer and macroinitiator method

Shih K. Cheng, Cheng Chien Wang, Chuh-Yung Chen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A series of block copoly(polyethylene glycol-styrene) was prepared via the synthetic macromonomer and macroinitiator methods, respectively. The polystyrene (PS) percentage and its block repeat unit were 34-89% and 9.2-2.1, as determined by gel permeation chromatography (GPC) and element analysis (EA), respectively. Furthermore, the structure was identified by Fourier transform infrared spectrophotometer (FTIR). Differential scanning calorimetry (DSC) and transmitted electron microscopy (TEM) were employed to observe the microphase separation morphology. Experimental results indicated that rod and vesicle PEG were distributed within the PS phase. Finally, microphase morphology and molecule simulation were combined to examine the correlation between composition and phase.

Original languageEnglish
Pages (from-to)581-590
Number of pages10
JournalMaterials Chemistry and Physics
Volume78
Issue number3
DOIs
Publication statusPublished - 2003 Feb 28

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Styrene
Polystyrenes
styrenes
Polyethylene glycols
glycols
polyethylenes
polystyrene
infrared spectrophotometers
Infrared spectrophotometers
Microphase separation
gel chromatography
Gel permeation chromatography
synthesis
Electron microscopy
Differential scanning calorimetry
electron microscopy
Fourier transforms
rods
heat measurement
Molecules

All Science Journal Classification (ASJC) codes

  • Materials Chemistry

Cite this

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title = "Synthesis of block copoly(polyethylene glycol-styrene) by the macromonomer and macroinitiator method",
abstract = "A series of block copoly(polyethylene glycol-styrene) was prepared via the synthetic macromonomer and macroinitiator methods, respectively. The polystyrene (PS) percentage and its block repeat unit were 34-89{\%} and 9.2-2.1, as determined by gel permeation chromatography (GPC) and element analysis (EA), respectively. Furthermore, the structure was identified by Fourier transform infrared spectrophotometer (FTIR). Differential scanning calorimetry (DSC) and transmitted electron microscopy (TEM) were employed to observe the microphase separation morphology. Experimental results indicated that rod and vesicle PEG were distributed within the PS phase. Finally, microphase morphology and molecule simulation were combined to examine the correlation between composition and phase.",
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Synthesis of block copoly(polyethylene glycol-styrene) by the macromonomer and macroinitiator method. / Cheng, Shih K.; Wang, Cheng Chien; Chen, Chuh-Yung.

In: Materials Chemistry and Physics, Vol. 78, No. 3, 28.02.2003, p. 581-590.

Research output: Contribution to journalArticle

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