Compatibility studies of sulfonated poly(ether ether ketone)-poly(ether imide)-polycarbonate ternary blends

Yong Sung Chun; Hyun Sung Kwon; Woo Nyon Kim; Ho Gyu Yoon

doi:10.1002/1097-4628(20001227)78:14<2488::AID-APP80>3.0.CO;2-T

Compatibility studies of sulfonated poly(ether ether ketone)-poly(ether imide)-polycarbonate ternary blends

Yong Sung Chun
, Hyun Sung Kwon
, Woo Nyon Kim
, Ho Gyu Yoon

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

14 Citations (Scopus)

Abstract

Binary blends of the sulfonated poly(ether ether ketone) (SPEEK)-poly(ether imide) (PEI) and SPEEK-polycarbonate (PC), and ternary blends of the SPEEK-PEI-PC, were investigated by differential scanning calorimetry. SPEEK was obtained by sulfonation of poly(ether ether ketone) using 95% sulfuric acid. From the thermal analysis of the SPEEK-PEI blends, single glass transition temperature (T_g) was observed at all the blend composition. For the SPEEK-PC blends, double T_gS were observed. From the results of thermal analysis, it is suggested that the SPEEK-PEI blends are miscible and the SPEEK-PC blends are immiscible. Polymer-polymer interaction parameter (χ₁₂) of the SPEEK-PEI blends was calculated from the modified Lu and Weiss equation, and found to range from -0.011 to -0.825 with the blend composition. For the SPEEK-PC blends, the χ₁₂ values were calculated from the modified Flory-Huggins equation, and found to range from 0.191 to 0.272 with the blend composition. For the SPEEK-PEI-PC ternary blends, phase separation regions that showed two T_gS were found to be consistent with the spinodal curves calculated from the χ₁₂ values of the three binary blends.

Original language	English
Pages (from-to)	2488-2494
Number of pages	7
Journal	Journal of Applied Polymer Science
Volume	78
Issue number	14
DOIs	https://doi.org/10.1002/1097-4628(20001227)78:14<2488::AID-APP80>3.0.CO;2-T
Publication status	Published - 2000 Dec

ASJC Scopus subject areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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10.1002/1097-4628(20001227)78:14<2488::AID-APP80>3.0.CO;2-T

Cite this

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title = "Compatibility studies of sulfonated poly(ether ether ketone)-poly(ether imide)-polycarbonate ternary blends",

abstract = "Binary blends of the sulfonated poly(ether ether ketone) (SPEEK)-poly(ether imide) (PEI) and SPEEK-polycarbonate (PC), and ternary blends of the SPEEK-PEI-PC, were investigated by differential scanning calorimetry. SPEEK was obtained by sulfonation of poly(ether ether ketone) using 95\% sulfuric acid. From the thermal analysis of the SPEEK-PEI blends, single glass transition temperature (Tg) was observed at all the blend composition. For the SPEEK-PC blends, double TgS were observed. From the results of thermal analysis, it is suggested that the SPEEK-PEI blends are miscible and the SPEEK-PC blends are immiscible. Polymer-polymer interaction parameter (χ12) of the SPEEK-PEI blends was calculated from the modified Lu and Weiss equation, and found to range from -0.011 to -0.825 with the blend composition. For the SPEEK-PC blends, the χ12 values were calculated from the modified Flory-Huggins equation, and found to range from 0.191 to 0.272 with the blend composition. For the SPEEK-PEI-PC ternary blends, phase separation regions that showed two TgS were found to be consistent with the spinodal curves calculated from the χ12 values of the three binary blends.",

author = "Chun, \{Yong Sung\} and Kwon, \{Hyun Sung\} and Kim, \{Woo Nyon\} and Yoon, \{Ho Gyu\}",

year = "2000",

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AU - Chun, Yong Sung

AU - Kwon, Hyun Sung

AU - Kim, Woo Nyon

AU - Yoon, Ho Gyu

PY - 2000/12

Y1 - 2000/12

N2 - Binary blends of the sulfonated poly(ether ether ketone) (SPEEK)-poly(ether imide) (PEI) and SPEEK-polycarbonate (PC), and ternary blends of the SPEEK-PEI-PC, were investigated by differential scanning calorimetry. SPEEK was obtained by sulfonation of poly(ether ether ketone) using 95% sulfuric acid. From the thermal analysis of the SPEEK-PEI blends, single glass transition temperature (Tg) was observed at all the blend composition. For the SPEEK-PC blends, double TgS were observed. From the results of thermal analysis, it is suggested that the SPEEK-PEI blends are miscible and the SPEEK-PC blends are immiscible. Polymer-polymer interaction parameter (χ12) of the SPEEK-PEI blends was calculated from the modified Lu and Weiss equation, and found to range from -0.011 to -0.825 with the blend composition. For the SPEEK-PC blends, the χ12 values were calculated from the modified Flory-Huggins equation, and found to range from 0.191 to 0.272 with the blend composition. For the SPEEK-PEI-PC ternary blends, phase separation regions that showed two TgS were found to be consistent with the spinodal curves calculated from the χ12 values of the three binary blends.

AB - Binary blends of the sulfonated poly(ether ether ketone) (SPEEK)-poly(ether imide) (PEI) and SPEEK-polycarbonate (PC), and ternary blends of the SPEEK-PEI-PC, were investigated by differential scanning calorimetry. SPEEK was obtained by sulfonation of poly(ether ether ketone) using 95% sulfuric acid. From the thermal analysis of the SPEEK-PEI blends, single glass transition temperature (Tg) was observed at all the blend composition. For the SPEEK-PC blends, double TgS were observed. From the results of thermal analysis, it is suggested that the SPEEK-PEI blends are miscible and the SPEEK-PC blends are immiscible. Polymer-polymer interaction parameter (χ12) of the SPEEK-PEI blends was calculated from the modified Lu and Weiss equation, and found to range from -0.011 to -0.825 with the blend composition. For the SPEEK-PC blends, the χ12 values were calculated from the modified Flory-Huggins equation, and found to range from 0.191 to 0.272 with the blend composition. For the SPEEK-PEI-PC ternary blends, phase separation regions that showed two TgS were found to be consistent with the spinodal curves calculated from the χ12 values of the three binary blends.

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Compatibility studies of sulfonated poly(ether ether ketone)-poly(ether imide)-polycarbonate ternary blends

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