Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide)

Hsin‐Lung ‐L Chen; Roger S. Porter

doi:10.1002/polb.1993.090311217

Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide)

Hsin‐Lung ‐L Chen^*, Roger S. Porter

^*Corresponding author for this work

University of Massachusetts

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

54 Scopus citations

Abstract

We detail the melting behavior of poly(ether ether ketone) (PEEK) and investigate its melting behavior in miscible blends with poly(ether imide) (PEI). The determination of the equilibrium melting point (T_m⁰) of PEEK is discussed by considering its inhomogeneous morphology. T_m⁰ is obtained by a long extrapolation of a Hoffman–Weeks plot to 384°C. Hindrance of PEEK crystal reorganization induced by PEI during heating is observed over the blend composition investigated (20–75 wt % PEEK). This behavior is correlated with the incorporation of PEI in the interlamellar zones of PEEK crystals. The interaction parameter χ of PEEK/PEI blends is estimated by the equilibrium melting point depression. This gives the interaction density B = −1.2 cal/cm³, and x = −0.40 at 400°C. © 1993 John Wiley & Sons, Inc.

Original language	English
Pages (from-to)	1845-1850
Number of pages	6
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	31
Issue number	12
DOIs	https://doi.org/10.1002/polb.1993.090311217
State	Published - 11 1993
Externally published	Yes

Keywords

crystal reorganization
equilibrium melting point
interaction parameter
interlamellar segregation
melting behavior of PEEK/PEI blends
melting point depression

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10.1002/polb.1993.090311217

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title = "Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide)",

abstract = "We detail the melting behavior of poly(ether ether ketone) (PEEK) and investigate its melting behavior in miscible blends with poly(ether imide) (PEI). The determination of the equilibrium melting point (Tm0) of PEEK is discussed by considering its inhomogeneous morphology. Tm0 is obtained by a long extrapolation of a Hoffman–Weeks plot to 384°C. Hindrance of PEEK crystal reorganization induced by PEI during heating is observed over the blend composition investigated (20–75 wt % PEEK). This behavior is correlated with the incorporation of PEI in the interlamellar zones of PEEK crystals. The interaction parameter χ of PEEK/PEI blends is estimated by the equilibrium melting point depression. This gives the interaction density B = −1.2 cal/cm3, and x = −0.40 at 400°C. {\textcopyright} 1993 John Wiley & Sons, Inc.",

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T1 - Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide)

AU - Chen, Hsin‐Lung ‐L

AU - Porter, Roger S.

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Y1 - 1993/11

N2 - We detail the melting behavior of poly(ether ether ketone) (PEEK) and investigate its melting behavior in miscible blends with poly(ether imide) (PEI). The determination of the equilibrium melting point (Tm0) of PEEK is discussed by considering its inhomogeneous morphology. Tm0 is obtained by a long extrapolation of a Hoffman–Weeks plot to 384°C. Hindrance of PEEK crystal reorganization induced by PEI during heating is observed over the blend composition investigated (20–75 wt % PEEK). This behavior is correlated with the incorporation of PEI in the interlamellar zones of PEEK crystals. The interaction parameter χ of PEEK/PEI blends is estimated by the equilibrium melting point depression. This gives the interaction density B = −1.2 cal/cm3, and x = −0.40 at 400°C. © 1993 John Wiley & Sons, Inc.

AB - We detail the melting behavior of poly(ether ether ketone) (PEEK) and investigate its melting behavior in miscible blends with poly(ether imide) (PEI). The determination of the equilibrium melting point (Tm0) of PEEK is discussed by considering its inhomogeneous morphology. Tm0 is obtained by a long extrapolation of a Hoffman–Weeks plot to 384°C. Hindrance of PEEK crystal reorganization induced by PEI during heating is observed over the blend composition investigated (20–75 wt % PEEK). This behavior is correlated with the incorporation of PEI in the interlamellar zones of PEEK crystals. The interaction parameter χ of PEEK/PEI blends is estimated by the equilibrium melting point depression. This gives the interaction density B = −1.2 cal/cm3, and x = −0.40 at 400°C. © 1993 John Wiley & Sons, Inc.

KW - crystal reorganization

KW - equilibrium melting point

KW - interaction parameter

KW - interlamellar segregation

KW - melting behavior of PEEK/PEI blends

KW - melting point depression

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IS - 12

ER -

Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide)

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Keywords

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