Properties of SPEEK-PEI-PC ternary polymer blends

H. S. Kwon, Y. S. Chun, H. C. Jung, S. B. Kim, Woo Nyon Kim

Research output: Contribution to journalArticle

Abstract

Sulfonated PEEK(SPEEK) was obtained by sulfonation of PEEK using 95% sulfuric acid. The blends of SPEEK with poly(ether imide) (PEI) and with polycarbonate (PC) were prepared by solution casting. Glass transiton temperatures (Tgs) were measured by differential scanning calorimeter for the SPEEK-PEI blends and SPEEK-PC blends. Single Tg was observed in SPEEK-PEI blends which indicates the miscibility between the SPEEK and PEI phases. Double TgS were observed in the blends of SPEEK-PC which indicate phase separation between the SPEEK and PC phases. Polymer-polymer interaction parameters (Χ12) for the SPEEK-PEI blends and SPEEK-PC blends were calculated using the thermal analysis results. Phase behavior of the SPEEK-PEI-PC ternary blends was studied using the Χ12 values which were obtained from the binary blends of SPEEK-PEI, SPEEK-PC, and PEI-PC. From this result, single phase was calculated in the region of SPEEK-PEI blends and phase separation was calculated in the most of the other region. Tg results obtained from the DSC measurements of SPEEK-PEI-PC ternary blends were found to be consistent with the phase behavior of the SPEEK-PEI-PC ternary blends.

Original languageEnglish
Pages (from-to)786-793
Number of pages8
JournalPolymer (Korea)
Volume21
Issue number5
Publication statusPublished - 1997 Dec 1

Fingerprint

polycarbonate
Polyetherimides
Polyether ether ketones
Polymer blends
Polycarbonates
polyetheretherketone
Phase behavior

Keywords

  • Poly(ether ether ketone)
  • Poly(ether imide)
  • Polycarbonate
  • Sulfonation
  • Ternary blend

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Kwon, H. S., Chun, Y. S., Jung, H. C., Kim, S. B., & Kim, W. N. (1997). Properties of SPEEK-PEI-PC ternary polymer blends. Polymer (Korea), 21(5), 786-793.

Properties of SPEEK-PEI-PC ternary polymer blends. / Kwon, H. S.; Chun, Y. S.; Jung, H. C.; Kim, S. B.; Kim, Woo Nyon.

In: Polymer (Korea), Vol. 21, No. 5, 01.12.1997, p. 786-793.

Research output: Contribution to journalArticle

Kwon, HS, Chun, YS, Jung, HC, Kim, SB & Kim, WN 1997, 'Properties of SPEEK-PEI-PC ternary polymer blends', Polymer (Korea), vol. 21, no. 5, pp. 786-793.
Kwon HS, Chun YS, Jung HC, Kim SB, Kim WN. Properties of SPEEK-PEI-PC ternary polymer blends. Polymer (Korea). 1997 Dec 1;21(5):786-793.
Kwon, H. S. ; Chun, Y. S. ; Jung, H. C. ; Kim, S. B. ; Kim, Woo Nyon. / Properties of SPEEK-PEI-PC ternary polymer blends. In: Polymer (Korea). 1997 ; Vol. 21, No. 5. pp. 786-793.
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